SOUTHDOWN INC
S-3/A, 1994-01-20
CEMENT, HYDRAULIC
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<PAGE>   1
 
   
    As filed with the Securities and Exchange Commission on January 20, 1994
    
 
                                                       Registration No. 33-51131
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                             ---------------------
   
                                AMENDMENT NO. 2
    
                                       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>
 
   
                   CALCULATION OF ADDITIONAL REGISTRATION FEE
    
- --------------------------------------------------------------------------------
 
   
<TABLE>
<CAPTION>
- --------------------------------------------------------------------------------
<S>                               <C>             <C>             <C>             <C>
                                                                      PROPOSED
                                                      PROPOSED        MAXIMUM
       TITLE OF EACH CLASS           ADDITIONAL       MAXIMUM        AGGREGATE
       OF SECURITIES TO BE          AMOUNT TO BE   OFFERING PRICE     OFFERING       AMOUNT OF
            REGISTERED               REGISTERED     PER UNIT(1)       PRICE(1)    REGISTRATION FEE
- --------------------------------------------------------------------------------------------------
Common Stock, $1.25 par               345,000
  value per share.................    shares(2)      $23.00(3)     $7,935,000(3)       $2,737
- --------------------------------------------------------------------------------------------------
- --------------------------------------------------------------------------------------------------
</TABLE>
    
 
   
(1) Estimated solely for the purpose of calculating the registration fee.
    
 
   
(2) Includes 45,000 shares which the several Underwriters may purchase from the
    Selling Shareholder to cover over-allotments, if any. Attached to each share
    of Common Stock is one Right pursuant to the registrant's Rights Agreement.
    Does not include 1,437,500 shares registered hereunder with respect to which
    the filing fee was paid on November 22, 1993.
    
 
   
(3) Based on the average of the high and low prices of the Common Stock as
    reported in the New York Stock Exchange composite transactions reporting
    system on January 13, 1994.
    
                             ---------------------
 
        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 20, 1994
    
 
PROSPECTUS
- ---------------------
 
   
                                1,550,000 SHARES
    
 
                                SOUTHDOWN, INC.
                                  COMMON STOCK
                           -------------------------
   
     All 1,550,000 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 19, 1994, the last reported sale price of the
Common Stock on the NYSE was $26 3/4 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>
<S>                                             <C>             <C>             <C>
- ------------------------------------------------------------------------------------------------
- ------------------------------------------------------------------------------------------------
                                                                                    PROCEEDS
                                                    PRICE TO      UNDERWRITING     TO SELLING
                                                     PUBLIC       DISCOUNT(1)    SHAREHOLDER(2)
- ------------------------------------------------------------------------------------------------
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 $280,000.
    
 
   
(3) The Selling Shareholder has granted to the several Underwriters an option,
    exercisable within 30 days after the date hereof, to purchase up to 232,500
    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. 20549. 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, which was
filed with the Commission on January 4, 1994; 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 and Analysis
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.................................   1,550,000 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....................................   971,600 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
                                                 prepay an $18 million promissory note and
                                                 reduce outstanding borrowings under the
                                                 Company's Restated Revolving Credit
                                                 Facility, $47 million of which was incurred
                                                 on January 5, 1994 to redeem $45 million
                                                 principal amount of the Company's 12% Senior
                                                 Subordinated Notes due 1997 (the "12%
                                                 Notes"). The Company intends to redeem the
                                                 remaining $45 million outstanding principal
                                                 amount of 12% Notes as promptly as
                                                 practicable after May 1, 1994 with
                                                 additional borrowings under the Restated
                                                 Revolving Credit Facility. 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 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 -- Environmental Matters."
    
 
     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, which was filed with the Commission on January 4, 1994,
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 cement 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
 
   
ESTIMATED 1993 RESULTS
    
 
   
     On January 17, 1994, the Company announced that it expects to report
break-even earnings for the year ended December 31, 1993 before the cumulative
effect of a change in accounting principle under SFAS No. 106 and an
extraordinary charge of $1 million, compared with a loss from continuing
operations of $41.4 million in 1992. The anticipated 1993 results reflect higher
operating earnings in the cement segment attributable to, among other things,
increased sales volumes, higher average prices per ton and a decrease in average
operating costs per ton. The Company expects to report decreased losses in its
other two business segments in 1993 as compared to 1992. The anticipated results
also reflect a fourth quarter charge of approximately $3 million related to a
waste processor that the Company has been attempting to sell.
    
 
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 permitted 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"), which the Company has redeemed, and, subject to compliance
with the customary conditions to borrowing set forth therein, also permits the
Company to borrow funds sufficient to redeem the remaining $45 million in
principal amount of the 12% Notes after the closing of the Preferred Stock
Offering. The Company believes that this facility provides the Company with
enhanced flexibility under the restrictive covenants contained therein.
Borrowings under the Restated Revolving Credit Facility bear interest at margins
above either a prime rate or LIBOR as selected by the Company from time to time.
On January 19, 1994, the current interest rate under the Restated Revolving
Credit Facility was approximately 6.0%.
    
 
CONCURRENT OFFERINGS
 
   
     The Carpenters Pension Trust for Southern California (the "Trust") and
Richard C. Blum & Associates, Inc. ("RCBA"), as investment manager for the
Trust, beneficially own 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 1,550,000 shares of Common Stock (plus 232,500
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
 
                                        9
<PAGE>   13
 
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
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."
 
   
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 in which the Company's oil and gas subsidiary owned an interest. The DOE
alleged certain price overcharges and sought to recover a total of $68 million
in principal and interest from Murphy Oil Corporation ("Murphy"), as operator of
the property. Murphy estimated the Company's share of this total to be
approximately $4 million. The Company understands that in January 1994 Murphy
negotiated a tentative settlement with the DOE that would require Murphy to pay
$35.1 million. The Company is unable to determine what liability it may have
with respect to this matter, but any such expenditure would result in a charge
to earnings from discontinued operations. The Company believes it has sufficient
borrowing capacity under its Restated Revolving Credit Facility to fulfill
obligations that may arise as a result of this claim. See "Management's
Discussion and Analysis of Financial Condition and Results of Operations --
Known Events, Trends and Uncertainties -- Other Contingencies."
    
 
                                       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
use the net proceeds of the Preferred Stock Offering to prepay an $18 million
promissory note and reduce outstanding borrowings under the Company's Restated
Revolving Credit Facility, $47 million of which was incurred on January 5, 1994
to redeem $45 million principal amount of the 12% Notes. The Company intends to
redeem the remaining $45 million outstanding principal amount of 12% Notes as
promptly as practicable after May 1, 1994. See "Capitalization." 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 (decreasing
to 100% of principal amount on May 1, 1994), 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. The $18 million promissory note matures on March 31,
1994 and bears interest at margins above either a prime rate basis or a
Eurodollar basis as selected by the Company from time to time. On January 19,
1994, the interest rate on this promissory note was approximately 6.0%.
    
 
   
                 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 19, 1994)..............   $26 7/8    $22 7/8        *
</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 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 $47.0 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) as set forth under "Use
of Proceeds." The Company intends to redeem the remaining $45 million
outstanding principal amount of 12% Notes as promptly as practicable after May
1, 1994 with additional borrowings under the Restated Revolving Credit Facility.
    
 
   
<TABLE>
<CAPTION>
                                                                  SEPTEMBER 30, 1993
                                                            ------------------------------
                                                                                      AS
                                                                          AS        FURTHER
                                                            ACTUAL      ADJUSTED    ADJUSTED
                                                            ------      ------      ------
                                                                    (IN MILLIONS)
    <S>                                                     <C>         <C>         <C>
    Current maturities of long-term debt.................   $ 20.4      $ 20.4      $  2.4
                                                            ------      ------      ------
                                                            ------      ------      ------
    Long-term debt, less current maturities
      Revolving Credit Facility(1).......................   $ 16.1      $ 63.1      $  9.1
      12% Senior Subordinated Notes due 1997.............     90.0        45.0        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       272.2       218.2
                                                            ------      ------      ------
    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       194.9(2)    191.9(2)(3)
                                                            ------      ------      ------
              Total shareholders' equity.................    263.8       262.8       334.8
                                                            ------      ------      ------
              Total capitalization.......................   $534.0      $535.0      $553.0
                                                            ------      ------      ------
                                                            ------      ------      ------
    Long-term debt as a percentage of
      total capitalization...............................     50.6%       50.9%       39.5%
                                                            ------      ------      ------
                                                            ------      ------      ------
</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 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 portion of the settlement of bankruptcy claims against LTV
Corporation. The prior year period included (i) a
 
- ---------------
 
   
* 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 -- Fixed Charge Deficiency; Dividends," "-- Legal
 Proceedings" and "-- Status of Certain Tariffs."
    
 
                                       15
<PAGE>   19
 
$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 was also aided by the late 1992 sale of the
remaining Florida aggregate operation which lost $1.1 million in the prior year
period.
 
                                       17
<PAGE>   21
 
     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.
 
     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.
 
                                       18
<PAGE>   22
 
     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. 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,
 
                                       19
<PAGE>   23
 
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 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.
 
                                       20
<PAGE>   24
 
     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 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
 
                                       21
<PAGE>   25
 
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 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
 
                                       22
<PAGE>   26
 
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 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
 
                                       23
<PAGE>   27
 
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.
 
     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
 
                                       24
<PAGE>   28
 
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.
 
     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
 
                                       25
<PAGE>   29
 
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.
 
     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
 
                                       26
<PAGE>   30
 
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.
 
     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
 
                                       29
<PAGE>   33
 
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 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
 
                                       30
<PAGE>   34
 
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 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
 
                                       31
<PAGE>   35
 
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 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
 
                                       32
<PAGE>   36
 
   
until January      , 2001, if for at least 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 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 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
 
                                       33
<PAGE>   37
 
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 1,550,000 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          NUMBER    PERCENTAGE
                                        NUMBER        OF         THE           OF          OF
         SELLING SHAREHOLDER           OF SHARES   CLASS(1)    OFFERING      SHARES     CLASS(1)
- ------------------------------------- -----------  --------    --------      -------    --------  
<S>                                   <C>           <C>        <C>           <C>          <C>
The Carpenters Pension Trust for
  Southern California(2)............. 2,521,600(2)  14.7%      1,550,000     971,600(2)    5.6%
  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, including Mr.
    Tutor, 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..............................................  1,550,000
                                                                            --------
                                                                            --------
</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 232,500 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
                                        ------    ------     ------    ------     ------      ----------
                                                               (IN MILLIONS)
<S>                                     <C>       <C>        <C>       <C>        <C>         <C>
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
                                                               -----         -----
                                                                  (UNAUDITED,
                                                                 IN MILLIONS)
            <S>                                                <C>           <C>
            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>
 
   
                                1,550,000 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          $ 13,147
        National Association of Securities Dealers, Inc.
          filing fee..........................................  $  0          $  4,313
        Printing and engraving expenses.......................  $  0          $235,000
        Legal fees and expenses of counsel....................  $120,000      $ 20,000
        Accounting fees and expenses..........................  $ 24,500      $ 0
        Blue sky filing fees and expenses (including legal
          fees and expenses)..................................  $  0          $  6,800
        Miscellaneous.........................................  $    500      $    740
                                                                --------    ------------
                  Total.......................................  $145,000      $280,000
                                                                --------    ------------
                                                                --------    ------------
</TABLE>
    
 
   
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 person is selected by the board of directors or any
committee thereof with reasonable care. A director shall not
 
                                      II-1
<PAGE>   54
 
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; Registration Rights and Lock Up Agreement
    
 
   
     Section 6 of the Purchase Agreement, a copy of the form of which is filed
as Exhibit 1.1 to this Registration Statement, and the Registration Rights and
Lock Up Agreement, a copy of which is filed as Exhibit 4.4 to this Registration
Statement, provide 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).
           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.
</TABLE>
    
 
                                      II-2
<PAGE>   55
 
   
<TABLE>
<CAPTION>
       EXHIBIT
       NUMBER                                 DESCRIPTION OF EXHIBITS
       -------                                -----------------------
          <S>         <C>
          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.
 
   
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 20, 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
20, 1994.
    
 
<TABLE>
<CAPTION>
                SIGNATURE                                    POSITIONS
                ---------                                    ---------
<S>                                                 <C>
         G. WALTER LOEWENBAUM II*                   Chairman of the Board
- ------------------------------------------            of Directors
         G. Walter Loewenbaum II

            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. 2 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 19, 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.

<PAGE>   1
                                                                    Exhibit 1.1

                                                                   DRAFT 1/20/94




________________________________________________________________________________




                                SOUTHDOWN, INC.


                                1,550,000 SHARES
                                  COMMON STOCK


                               PURCHASE AGREEMENT




                              MERRILL LYNCH & CO.
                       KIDDER, PEABODY & CO. INCORPORATED
                              LEHMAN BROTHERS INC.


________________________________________________________________________________

<PAGE>   2
                                1,550,000 SHARES
                                SOUTHDOWN, INC.
                           (A LOUISIANA CORPORATION)

                                  COMMON STOCK
                          (PAR VALUE $1.25 PER SHARE)


                               PURCHASE AGREEMENT

                                                                January __, 1994

MERRILL LYNCH & CO.
Merrill Lynch, Pierce, Fenner & Smith
            Incorporated
KIDDER, PEABODY & CO. INCORPORATED
LEHMAN BROTHERS INC.
    as Representatives of the
    several Underwriters
c/o MERRILL LYNCH & CO.
     Merrill Lynch, Pierce, Fenner & Smith Incorporated
     Merrill Lynch World Headquarters
     World Financial Center
     North Tower
     250 Vesey Street
     New York, New York  10281

Dear Sirs:

                 Southdown, Inc., a Louisiana corporation (the "Company"), and
Carpenters Pension Trust for Southern California, a California pension fund,
and Richard C. Blum and Associates, Inc., a California corporation
(collectively, the "Selling Shareholder"), confirm their respective agreements
with you and each of the other underwriters named in Schedule A hereto
(collectively, the "Underwriters," which term shall also include any
underwriters substituted as hereinafter provided in Section 10 hereof), for
whom Merrill Lynch & Co., Merrill Lynch, Pierce, Fenner & Smith Incorporated
("Merrill Lynch"), Lehman Brothers Inc.  ("Lehman Brothers") and Kidder,
Peabody & Co. Incorporated ("Kidder, Peabody") are acting as representatives
(in such capacity, Merrill Lynch, Lehman Brothers and Kidder, Peabody shall
hereinafter be collectively referred to as the "Representatives") with respect
to the sale by the Selling Shareholder of 1,550,000 shares of Common Stock, par
value $1.25 per share, of the Company ("Common Stock") and the purchase by the
Underwriters, acting severally and not jointly, of the respective number of
shares of Common Stock set forth in Schedule A hereto and with respect to the
grant by the Selling Shareholder to the Underwriters of the option described in
Section 2 hereof to purchase all or any part of up 

<PAGE>   3

to an additional 232,500 shares of Common Stock to cover over-allotments, in 
each case except as may otherwise be provided in the Pricing Agreement, as 
hereinafter defined.  The 1,550,000 shares of Common Stock to be sold by the 
Selling Shareholder ("Initial Securities"), together with all or any part of 
the 232,500 shares of Common Stock subject to the option described in Section 
2 hereof (the "Option Securities"), are collectively hereinafter called the 
"Securities."

                 Prior to the purchase and public offering of the Securities by
the several Underwriters, the Selling Shareholder and the Representatives,
acting on behalf of the several Underwriters, shall enter into an agreement
substantially in the form of Exhibit A hereto (the "Pricing Agreement"). The
Pricing Agreement may take the form of an exchange of any standard form of
written telecommunication between the Selling Shareholder and the
Representatives and shall specify such applicable information as is indicated
in Exhibit A hereto.  The offering of the Securities will be governed by this
Agreement, as supplemented by the Pricing Agreement.  From and after the date
of the execution and delivery of the Pricing Agreement, this Agreement shall be
deemed to incorporate, and all references to "this Agreement" shall be deemed
to include, the Pricing Agreement.

                 The Company has filed with the Securities and Exchange
Commission (the "Commission") a registration statement on Form S-3 (No.
33-51131) and a related preliminary prospectus for the registration of the
Securities and associated rights to purchase preferred stock (the "Rights")
under the Securities Act of 1933, as amended (the "1933 Act"), and has filed
such amendments thereto, if any, and such amended preliminary prospectuses as
may have been required to the date hereof, and will file such additional
amendments thereto and such amended prospectuses as may hereafter be required.
Such registration statement (as amended, if applicable) and the prospectus
constituting a part thereof at the time such registration statement becomes
effective (including in each case all documents incorporated by reference
therein and the information, if any, deemed to be part thereof pursuant to Rule
430A(b) of the rules and regulations of the Commission under the 1933 Act (the
"1933 Act Regulations")), as from time to time amended or supplemented pursuant
to the 1933 Act, the Securities Exchange Act of 1934, as amended (the "1934
Act"), or otherwise, are hereinafter referred to as the "Registration
Statement" and the "Prospectus," respectively, except that if any revised
prospectus shall be provided to the Underwriters by the Company for use in
connection with the offering of the Securities and the associated Rights which
differs from the Prospectus on file at the Commission at the time the
Registration Statement becomes effective (whether or not such revised
prospectus is required to be filed by the Company pursuant to Rule 424(b) of
the 1933 Act Regulations), the terms "Prospectus" shall refer to each such
revised prospectus from and after the time it is first provided to the
Underwriters for such use.  All references in this Agreement to financial
statements and schedules and other information which is "contained,"
"included," "described" or "stated" in the Registration Statement or the
Prospectus (and all other references of like import) shall be deemed to mean
and include all such financial statements and schedules and other information
which is or is deemed to be incorporated by reference in the Registration
Statement or the Prospectus, as the case may be; and all references in





                                      -2-
<PAGE>   4
this Agreement to amendments or supplements to the Registration Statement or
the Prospectus shall be deemed to mean and include the filing of any document
under the 1934 Act which is or is deemed to be incorporated by reference in the
Registration Statement or the Prospectus, as the case may be.

                 The Company and the Selling Shareholder understand that the
Underwriters propose to make a public offering of the Securities as soon as the
Representatives deem advisable after the Registration Statement becomes
effective and the Pricing Agreement has been executed and delivered.

                 SECTION 1.  Representations and Warranties.

                 (a)      The Company represents and warrants to each of the
Underwriters as of the date hereof and as of the date of the Pricing Agreement
(such latter date being hereinafter referred to as the "Representation Date")
as follows:

                          (i)     At the time the Registration Statement
         becomes effective and at the Representation Date, the Registration
         Statement will comply in all material respects with the requirements
         of the 1933 Act and the 1933 Act Regulations and will not contain an
         untrue statement of a material fact or omit to state a material fact
         required to be stated therein or necessary to make the statements
         therein not misleading. The Prospectus, at the Representation Date
         (unless the term "Prospectus" refers to a prospectus which has been
         provided to the Underwriters by the Company for use in connection with
         the offering of the Securities and the associated Rights which differ
         from the Prospectus on file at the Commission at the time the
         Registration Statement becomes effective, in which case at the time it
         is first provided to the Underwriters for such use) and at Closing
         Time and each Date of Delivery referred to in Section 2 hereof, will
         not include an untrue statement of a material fact or omit to state a
         material fact necessary in order to make the statements therein, in
         the light of the circumstances under which they were made, not
         misleading; provided, however, that the representations and warranties
         in this subsection shall not apply to statements in or omissions from
         the Registration Statement or Prospectus made in reliance upon and in
         conformity with information furnished to the Company in writing by the
         Underwriters expressly for use in the Registration Statement or
         Prospectus.  The Company meets all conditions required for the use of
         Form S-3 to effect the registration of the Securities and the
         associated Rights under the Securities Act.

                          (ii)    The accountants who audited the financial
         statements and supporting schedules included in the Registration
         Statement or incorporated by reference therein are independent public
         accountants with respect to the Company and its subsidiaries as
         required by the 1933 Act and the 1933 Act Regulations.





                                      -3-
<PAGE>   5
                          (iii)   The consolidated financial statements,
         including the notes thereto, and supporting schedules included in the
         Registration Statement or incorporated by reference therein present
         fairly the consolidated financial position of the Company and its
         subsidiaries as at the dates indicated and the consolidated results of
         their operations and cash flows for the periods specified; except as
         otherwise stated in the Registration Statement, said financial
         statements have been prepared in conformity with generally accepted
         accounting principles applied on a consistent basis throughout the
         periods involved; and the supporting schedules included in the
         Registration Statement or incorporated by reference therein present
         fairly the information required to be stated therein.  The selected
         financial data included in the Registration Statement present fairly
         the information shown therein and have been compiled on a basis
         consistent with that of the audited consolidated financial statements
         from which it was derived.

                          (iv)    Since the respective dates as of which
         information is given in the Registration Statement and the Prospectus,
         except as otherwise stated therein, (A) there has been no material
         adverse change in the condition, financial or otherwise, or in the
         earnings, affairs or business prospects of the Company and its
         subsidiaries considered as one enterprise, whether or not arising in
         the ordinary course of business, and (B) there have been no
         transactions entered into by the Company or any of its subsidiaries
         other than those in the ordinary course of business, which are
         material to the Company and its subsidiaries considered as one
         enterprise.

                          (v)     The Company has been duly incorporated and is
         validly existing as a corporation in good standing under the laws of
         the State of Louisiana with corporate power and authority to own,
         lease and operate its properties and conduct its business as described
         in the Prospectus; and the Company is duly qualified as a foreign
         corporation to transact business and is in good standing in all
         jurisdictions in which such qualification is required, whether by
         reason of the ownership or leasing of property or the conduct of
         business, except where the failure so to qualify would not have a
         material adverse effect on the condition, financial or otherwise, or
         the earnings, business affairs or business prospects of the Company
         and its subsidiaries considered as one enterprise.

                          (vi)    No corporation in which the Company has an
         interest constitutes a "significant subsidiary" of the Company as
         defined in the 1933 Act Regulations.

                          (vii)   Each partnership in which the Company has an
         interest that constitutes a "significant subsidiary" of the Company as
         defined in the 1933 Act Regulations is specified in Schedule B hereto
         (the subsidiaries so specified being hereinafter collectively referred
         to as the "Partnership Subsidiaries").  Each Partnership Subsidiary
         has been duly formed and is validly existing as a partnership in good
         standing under the laws of the jurisdiction of its formation and is
         duly qualified as a foreign partnership to transact business and is in
         good standing in all





                                      -4-
<PAGE>   6
         jurisdictions in which such qualification is required, whether by
         reason of the ownership or leasing of property or the conduct of
         business, except where the failure so to qualify would not have a
         material adverse effect on the condition, financial or otherwise, or
         the earnings or business affairs of the Company and its subsidiaries
         considered as one enterprise; all the outstanding partnership
         interests in each Partnership Subsidiary have been duly authorized and
         validly issued; and 75% of the general partnership interests in Kosmos
         Cement Company are owned by the Company, directly or indirectly, free
         and clear of any pledge, lien, encumbrance, claim or equity (except as
         described in the Prospectus and except for liens granted to the
         lending banks under the Company's Second Amended and Restated Credit
         Facility dated as of November 19, 1993).

                          (viii)  The Company had, at the date indicated, the
         authorized, issued and outstanding capital stock as set forth in the
         Prospectus under "Capitalization"; the shares of issued and
         outstanding Common Stock, including the Securities to be sold by the
         Selling Shareholder hereunder, have been duly authorized and validly
         issued and are fully paid and nonassessable; the Rights associated
         with such shares of Common Stock have been duly and validly issued by
         the Company in accordance with the Rights Agreement dated as of March
         4, 1991 (the "Rights Agreement") between the Company and Chemical
         Shareholder Services Group, Inc., successor to First City,
         Texas-Houston, N.A., as Rights Agent; and the Common Stock and
         associated Rights conform to the descriptions thereof contained in the
         Prospectus.

                          (ix)  This Agreement has been duly and validly 
         authorized, executed and delivered by the Company.

                          (x)     Neither the Company nor any of its
         subsidiaries is in violation of its charter or by-laws or in default
         in the performance or observance of any obligation, agreement,
         covenant or condition contained in any contract, indenture, mortgage,
         loan agreement, note, lease or other agreement or instrument to which
         it is a party or by which it may be bound or to which any of its
         properties may be subject, except for such defaults that would not
         have a material adverse effect on the condition (financial or
         otherwise), earnings, business affairs or business prospects of the
         Company and its subsidiaries, considered as one enterprise.  The
         execution and delivery by the Company of this Agreement, the
         consummation by the Company of the transactions contemplated herein
         and the transactions contemplated in the Registration Statement
         relating to the sale of the Securities and compliance by the Company
         with the terms of this Agreement have been duly authorized by all
         necessary corporate action on the part of the Company and do not and
         will not result in any violation of the charter or by-laws of the
         Company or any of its subsidiaries, and do not and will not conflict
         with, or result in a breach of any of the terms or provisions of, or
         constitute a default under, or result in the creation or imposition of
         any lien, charge or encumbrance upon any property or assets of the
         Company or any of its subsidiaries under (A) any indenture, mortgage,
         loan agreement, note, lease or





                                      -5-
<PAGE>   7
         other agreement or instrument to which the Company or any of its
         subsidiaries is a party or by which it may be bound or to which any of
         its properties may be subject (except for such conflicts, breaches or
         defaults or liens, charges or encumbrances that would not have a
         material adverse effect on the condition (financial or otherwise),
         earnings, business affairs or business prospects of the Company and
         its subsidiaries, considered as one enterprise) or (B) any existing
         applicable law, rule, regulation, judgment, order or decree of any
         government, governmental instrumentality or court, domestic or
         foreign, having jurisdiction over the Company or any of its
         subsidiaries or any of its properties (except for such violations,
         defaults, breaches or liens that would not have a material adverse
         effect on the condition (financial or otherwise), earnings, business
         affairs or business prospects of the Company and its subsidiaries,
         considered as one enterprise).

                          (xi)    No labor dispute exists or to the knowledge
         of the Company is imminent with the Company's employees or with
         employees of any of its subsidiaries that reasonably could be expected
         to materially and adversely affect the condition (financial or
         otherwise), earnings, business affairs or business prospects of the
         Company and its subsidiaries, considered as one enterprise.

                          (xii)   Except as described in the Prospectus, there
         is no action, suit or proceeding before or by any court or
         governmental agency or body, domestic or foreign, now pending, or, to
         the knowledge of the Company, threatened against the Company or any of
         its subsidiaries that is required to be disclosed in the Registration
         Statement, or that might reasonably be expected to (A) result in any
         material adverse change in the condition, financial or otherwise, or
         the earnings or business affairs of the Company and its subsidiaries,
         considered as one enterprise, (B) materially and adversely affect the
         properties or assets thereof or (C) materially and adversely affect
         the consummation by the Company of its obligations pursuant to this
         Agreement; and there are no contracts or documents of the Company or
         any of its subsidiaries that  are required to be filed as exhibits to
         the Registration Statement by the 1933 Act or the 1933 Act Regulations
         that have not been so filed.

                          (xiii)  The documents incorporated by reference into
         the Registration Statement (in whole or in part) or deemed to be
         incorporated therein, when they were or hereafter are filed with the
         Commission, complied with or will comply with the requirements of the
         1934 Act, and the rules and regulations of the Commission under the
         1934 Act (the "1934 Act Regulations"); such documents incorporated by
         reference into the Registration Statement or deemed to be incorporated
         therein, at the time such documents were filed with the Commission did
         not contain an untrue statement of material fact or omitted or omit to
         state a material fact required to be stated therein or necessary to
         make the statements therein not misleading, and no further documents
         hereafter incorporated by reference into the Registration Statement or
         deemed to be incorporated therein will contain an untrue statement of
         material fact or omit to state a material fact required to be stated
         therein in light of





                                      -6-
<PAGE>   8
         the circumstances in which they were made or necessary to make the
         statements therein not misleading.

                          (xiv)   No authorization, approval, consent or
         license of any domestic government, governmental instrumentality or
         court is necessary in connection with the offering or the sale of the
         Securities hereunder or the consummation of the transactions
         contemplated by this Agreement, except such as may be required under
         the 1933 Act, the 1933 Act Regulations, the 1934 Act, the 1934 Act
         Regulations or state securities or blue sky laws.

                          (xv)    Except as described in the Prospectus, the
         Company and its subsidiaries possess such licenses, permits, consents,
         orders, certificates or authorizations issued by the appropriate
         federal, state, local or foreign regulatory agencies or bodies
         currently necessary to conduct their respective businesses as now
         operated by them, except where the lack thereof would not have a
         material adverse effect on the Company and its subsidiaries considered
         as one enterprise, and neither the Company nor its subsidiaries have
         received any notice of proceedings relating to the revocation or
         modification of any such licenses, permits, consents, orders,
         certificates or authorizations in which the Company reasonably expects
         decisions, rulings or findings that, individually or in the aggregate,
         would have a material and adverse effect on the condition, financial
         or otherwise, or the earnings, business affairs or business prospects
         of the Company and its subsidiaries considered as one enterprise.

                          (xvi)   The Company, has not taken, directly or
         indirectly, any action designed to cause or result in, or which has
         constituted, stabilization or manipulation of the price of any
         security of the Company in order to facilitate the sale or resale of
         the Securities and the associated Rights.

                          (xvii) Except as described in the Registration
         Statement, no holder of securities of the Company has any rights to
         require the registration of such securities under the 1933 Act as a
         result of the filing of the Registration Statement or in connection
         with the offering of the Securities and the associated Rights.

                          (xiii)  Except as described in the Prospectus, there
         has been no storage, disposal, generation, manufacture, spill,
         discharge, refinement, transportation, handling or treatment of toxic
         wastes, medical wastes, hazardous wastes or hazardous substances by
         the Company or any of its subsidiaries at, upon or from any of the
         property now or previously owned or leased or under contract for
         purchase by the Company or any of its subsidiaries in violation of any
         applicable law, ordinance, rule, regulation, order, judgment, decree
         or permit or which would require remedial action under any applicable
         law, ordinance, rule, regulation, order, judgment, decree or permit,
         except for any violation or remedial action which the Company
         reasonably believes would not be reasonably likely to result in,
         individually or in the aggregate





                                      -7-
<PAGE>   9
         with all such violations and remedial actions, a material and adverse
         effect on the condition, financial or otherwise, or the earnings or
         business affairs of the Company and its subsidiaries considered as one
         enterprise; and the terms "hazardous wastes," "toxic wastes,"
         "hazardous substances" and "medical wastes" shall have the meanings
         specified in any applicable local, state, federal and foreign laws or
         regulations with respect to environmental protection.

                 (b)      The Selling Shareholder represents and warrants to,
and agrees with, each of the Underwriters as follows:

                          (i)     The execution and delivery of this Agreement
         and the consummation of the transactions herein contemplated will not
         result in a breach by the Selling Shareholder of, or constitute a
         default by the Selling Shareholder under, any indenture, deed of
         trust, contract, or other agreement or instrument or any decree,
         judgment or order to which Selling Shareholder is a party or by which
         the Selling Shareholder may be bound.

                          (ii)    The Selling Shareholder is, and immediately
         prior to Closing, will be, the sole registered owner of the
         Securities; the Selling Shareholder has good and marketable title to
         the Securities, free and clear of any mortgage, pledge, lien, security
         interest, encumbrance, claim or equity, and has full power, right and
         authority to sell, transfer and deliver such Securities under this
         Agreement; upon completion of the Closing, each of the Underwriters
         will be the registered owner of the Securities purchased by it from
         the Selling Shareholder and, assuming the Underwriters purchased the
         Securities for value in good faith and without notice of any adverse
         claim, the Underwriters will have acquired all rights of the Selling
         Shareholder in the Securities free and clear of any pledge, lien,
         security interest, encumbrance, claim or equity.

                          (iii)   All authorizations, approvals and consents
         necessary for the execution and delivery by the Selling Shareholder of
         this Agreement and the sale and delivery of the Securities have been
         obtained and are in full force and effect; and the Selling Shareholder
         has the full right, power and authority to enter into this Agreement
         and the Pricing Agreement and to sell, transfer and deliver the
         Securities.

                          (iv)    The Selling Shareholder has not taken, and
         will not take, directly or indirectly, any action that is designed to
         cause or result in, or which has constituted, stabilization or
         manipulation of the price of any security of the Company to facilitate
         the sale or resale of the Securities.

                          (v)     The Selling Shareholder, having conducted no
         inquiry in connection with the preparation of the Registration
         Statement or the Prospectus, has read the Registration Statement and
         the Prospectus contained therein and has no





                                      -8-
<PAGE>   10
         knowledge of any fact, condition or information not disclosed in the
         Prospectus that has materially adversely affected or might be expected
         to materially adversely affect the condition, financial or otherwise,
         or the earnings, business affairs or business prospects of the Company
         and its subsidiaries considered as one enterprise; and the Selling
         Shareholder is not prompted to sell the Securities by any information
         concerning the Company or any subsidiary of the Company that is not
         set forth in the Registration Statement or the Prospectus.

                          (vi)  The Selling Shareholder agrees with each of the
         Underwriters that the Selling Shareholder shall not offer for sale,
         sell, grant an option for the sale of, or otherwise dispose of,
         directly or indirectly, without the prior written consent of Merrill
         Lynch, any shares of Common Stock or any securities convertible into
         or exchangeable into or exercisable for Common Stock owned by the
         Selling Shareholder or with respect to which the Selling Shareholder
         has the power of disposition, for a period of 90 days from the date of
         the Pricing Agreement.

                 (c)      Any certificate signed by any officer of the Company
or any of its subsidiaries, as the case may be, and delivered to the
Representatives or to counsel for the Underwriters in connection with the
closing of the sale of the Securities to the Underwriters hereunder shall be
deemed a representation and warranty by the Company or any such subsidiary, as
the case may be, to each Underwriter as to the matters covered thereby; and any
certificate signed by or on behalf of the Selling Shareholder and delivered to
the Representatives or to counsel for the Underwriters in connection with the
closing of the sale of the Securities to the Underwriters hereunder shall be
deemed a representation and warranty by the Selling Shareholder to each
Underwriter as to the matters covered thereby.

                 SECTION 2.  Sale and Delivery to Underwriters; Closing.

                 (a)      On the basis of the representations and warranties
herein contained and subject to the terms and conditions herein set forth, the
Selling Shareholder agrees to sell to each Underwriter, severally and not
jointly, and each Underwriter, severally and not jointly, agrees to purchase
from the Selling Shareholder, at the price per share set forth in the Pricing
Agreement, the number of Initial Securities set forth in Schedule A opposite
the name of such Underwriter (except as otherwise provided in the Pricing
Agreement) plus any additional number of Initial Securities that such
Underwriter may become obligated to purchase pursuant to the provisions of
Section 10 hereof, subject, in each case, to such adjustments as the
Representatives in their discretion shall make to eliminate any sales or
purchases of fractional securities.

                 In addition, on the basis of the representations and
warranties herein contained and subject to the terms and conditions herein set
forth, the Selling Shareholder hereby grants an option to the Underwriters,
severally and not jointly, to purchase from it up to an additional 187,500
shares of Common Stock, at the purchase price per share set forth in the
Pricing Agreement.  The option hereby granted will expire on the 30th day after





                                      -9-
<PAGE>   11
the date the Registration Statement becomes effective or, if the Company has
elected to rely on Rule 430A of the 1933 Act Regulations, the 30th day after
the Representation Date, and may be exercised in whole or in part from time to
time only for the purpose of covering over-allotments which may be made in
connection with the offering and distribution of the Initial Securities, upon
notice by the Representatives to the Selling Shareholder and the Company
setting forth the number of Option Securities as to which the Underwriters are
then exercising the option and the time, date, and place of payment and
delivery for such Option Securities. Any such time and date of delivery for the
Option Securities (a "Date of Delivery") shall be determined by the
Representatives but shall be not later than seven full business days after the
exercise of said option, nor in any event prior to Closing Time (as hereinafter
defined) unless otherwise agreed upon by the Representatives, the Selling
Shareholder and the Company.  If the option is exercised as to all or any
portion of the Option Securities, each of the Underwriters, acting severally
and not jointly, will purchase from the Selling Shareholder that proportion of
the number of Option Securities that the number of Initial Securities set forth
in Schedule A opposite the name of such Underwriter (plus any additional number
of Initial Securities which such Underwriter may become obligated to purchase
pursuant to the provisions of Section 10 hereof) bears to the total number of
Initial Securities (except as otherwise provided in the Pricing Agreement),
subject, in each case, to such adjustments as the Representatives in their
discretion shall make to eliminate any sales or purchases of fractional
securities.

                          (i)     If the Company has elected not to rely upon
         Rule 430A of the 1933 Act Regulations, the initial public offering
         price of the Securities and the purchase price per share to be paid by
         the several Underwriters for the Securities shall have each been
         determined and set forth in the Pricing Agreement, dated the date
         hereof, and an amendment to the Registration Statement and the
         Prospectus will be filed before the Registration Statement becomes
         effective.

                          (ii)    If the Company has elected to rely upon Rule
         430A of the 1933 Act Regulations, the purchase price per share to be
         paid by the several Underwriters for the Securities shall be an amount
         equal to the initial public offering price, less an amount per share
         to be determined by agreement between the Representatives and the
         Selling Shareholder. The initial public offering price per share of
         the Securities shall be a fixed price to be determined by agreement
         between the Representatives and the Selling Shareholder. The initial
         public offering price per share and the purchase price, when so
         determined, shall be set forth in the Pricing Agreement.  In the event
         that such prices have not been agreed upon and the Pricing Agreement
         has not been executed and delivered by the parties thereto by the
         close of business on the fourth business day following the date of
         this Agreement, this Agreement shall terminate forthwith, without
         liability of any party to any other party, unless otherwise agreed to
         by the Company, the Selling Shareholder and the Representatives.





                                      -10-
<PAGE>   12
                 (b)      Payment of the purchase price for, and delivery of
certificates for, the Initial Securities to be purchased by the Underwriters,
shall be made at the office of Baker & Botts, L.L.P., 910 Louisiana, Houston,
Texas or at such other place as shall be agreed upon by the Representatives,
the Company and the Selling Shareholder, at 10:00 A.M., New York City time, on
the fifth business day (unless postponed in accordance with the provisions of
Section 10 hereof) following the date of the execution of the Pricing Agreement
or such other time not later than ten business days after such date as shall be
agreed upon by the Representatives, the Company and the Selling Shareholder
(such time and date of payment and delivery being herein called "Closing
Time").  In addition, in the event that any or all of the Option Securities are
purchased by the Underwriters, payment of the purchase price for, and delivery
of certificates for, such Option Securities shall be made at the
above-mentioned office of Baker & Botts, L.L.P. or at such other place as shall
be mutually agreed upon by the Representatives, the Selling Shareholder and the
Company, on each Date of Delivery as specified in the notice from the
Representatives to the Selling Shareholder and the Company.  Payment shall be
made to the Selling Shareholder by certified or official bank check or checks
drawn in New York Clearing House funds or similar next-day funds payable to the
order of the Selling Shareholder against delivery to Representatives for the
respective accounts of the Underwriters of certificates for the Securities to
be purchased by them.  Certificates for the Initial Securities and the Option
Securities shall be in such denominations and registered in such names as the
Representatives may request in writing at least two business days before
Closing Time or the Date of Delivery, as the case may be.  It is understood
that each Underwriter has authorized the Representatives, for its account, to
accept delivery of, receipt for, and make payment of the purchase price for,
the Securities that it has agreed to purchase.  Merrill Lynch, individually and
not as representative of the Underwriters, may (but shall not be obligated to)
make payment of the purchase price for the Securities to be purchased by any
Underwriter whose check has not been received by Closing Time or the Date of
Delivery, as the case may be, but such payment shall not relieve such
Underwriter from its obligations hereunder. The certificates for the Initial
Securities and the Option Securities to be purchased by the Underwriters will
be made available in New York City for examination and packaging by the
Representatives not later than 10:00 A.M. on the last business day prior to
Closing Time or the Date of Delivery, as the case may be.

                 SECTION 3. Covenants of the Company.  The Company covenants
with each of the Underwriters as follows:

                 (a)      The Company will notify the Representatives
immediately, and confirm the notice in writing, (i) of the effectiveness of the
Registration Statement and any amendment thereto (including any post-effective
amendment), (ii) of the receipt of any comments from the Commission, (iii) of
any request by the Commission for any amendment to the Registration Statement
or any amendment or supplement to the Prospectus or for additional information,
and (iv) of the issuance by the Commission of any stop order suspending the
effectiveness of the Registration Statement or the initiation of any
proceedings for that purpose. The Company will make every reasonable effort to
prevent





                                      -11-
<PAGE>   13
the issuance of any stop order and, if any stop order is issued, to obtain the
lifting thereof at the earliest possible moment.

                 (b)      The Company will give the Representatives notice of
its intention to file or prepare any amendment to the Registration Statement
(including any post-effective amendment) or any amendment or supplement to the
Prospectus (including any revised prospectus which the Company proposes for use
by the Underwriters in connection with the offering of the Securities which
differs from the prospectus on file at the Commission at the time the
Registration Statement becomes effective, whether or not such revised
prospectus is required to be filed pursuant to Rule 424(b) of the 1933 Act
Regulations) whether pursuant to the 1933 Act, the 1934 Act or otherwise) will
furnish the Representatives with copies of any such amendment or supplement a
reasonable amount of time prior to such proposed filing or use, as the case may
be, and will not file any such amendment or supplement or use any such
prospectus to which the Underwriters shall reasonably object.

                 (c)      The Company will deliver to the Representatives as
many signed copies of the Registration Statement as originally filed and each
amendment thereto (including exhibits filed therewith or incorporated by
reference therein and documents incorporated or deemed to be incorporated by
reference therein) as the Representatives may reasonably request and will also
deliver to the Representatives a conformed copy of the Registration Statement
as originally filed and of each amendment thereto (without exhibits) for each
of the Underwriters.

                 (d)      The Company will furnish to each Underwriter, from
time to time during the period when the Prospectus is required to be delivered
under the 1933 Act or 1934 Act, such number of copies of the Prospectus (as
amended or supplemented) as such Underwriter may reasonably request for the
purposes contemplated by the 1933 Act, the 1933 Act Regulations, the 1934 Act
or the 1934 Act Regulations.

                 (e)      If at any time any event shall occur as a result of
which it is necessary, in the opinion of the Underwriters, to amend or
supplement the Prospectus in order that the Prospectus not include an untrue
statement of a material fact or omit to state a material fact necessary to make
the statements therein not misleading in the light of the circumstances
existing at the time it is delivered to a purchaser, the Company will forthwith
notify you of the same, amend or supplement the Prospectus (in form and
substance satisfactory to the Underwriters) and furnish to the Underwriters a
reasonable number of copies of any amendment or amendments of or supplement or
supplements to, the Prospectus, so that, as so amended or supplemented, the
Prospectus will not contain such untrue statement or omission.

                 (f)      The Company, during the period when the Prospectus is
required to be delivered under the 1933 Act, will file promptly all documents
required to be filed with the Commission pursuant to Section 13, 14 or 15 of
the 1934 Act subsequent to the time the Registration Statement becomes
effective.





                                      -12-
<PAGE>   14
                 (g)      The Company will use its best efforts to qualify the
Securities and the associated Rights for offering and sale under the applicable
securities laws of such states and other jurisdictions as the Representatives
may designate; provided, however, that the Company shall not be obligated to
file any general consent to service of process or to qualify as a foreign
corporation in any jurisdiction in which it is not so qualified or to subject
itself to taxation in respect of doing business in any jurisdiction in which it
is not otherwise so subject.  The Company will file such statements and reports
as may be required by the laws of each jurisdiction in which the Securities and
the associated Rights have been qualified as above provided.

                 (h)      The Company will make generally available to its
security holders as soon as practicable, but not later than 90 days after the
close of the period covered thereby, an earnings statement (in form complying
with the provisions of Rule 158 of the 1933 Act Regulations) covering a
12-month period beginning not later than the first day of the Company's fiscal
quarter next following the "effective date" (as defined in said Rule 158) of
the Registration Statement.

                 (i)      If, at the time that the Registration Statement
becomes effective, any information shall have been omitted therefrom in
reliance upon Rule 430A of the 1933 Act Regulations, then immediately following
the execution of the Pricing Agreement, the Company will prepare, and file or
transmit for filing with the Commission in accordance with such Rule 430A and
Rule 424(b) of the 1933 Act Regulations, copies of an amended Prospectus, or,
if required by such Rule 430A, a post-effective amendment to the Registration
Statement (including an amended Prospectus), containing all information so
omitted.

                 (j)      During a period of 90 days from the date of the
Pricing Agreement, the Company will not, without the prior written consent of
Merrill Lynch, directly or indirectly, sell, offer to sell, grant any option
for the sale of, or otherwise dispose of, any Common Stock and associated
Rights or any security convertible into, exchangeable into or exercisable for
Common Stock (except for the shares of Preferred Stock, Cumulative Convertible
Series D, of the Company to be issued and sold by the Company pursuant to the
Purchase Agreement of even date herewith between the Company and the
Underwriters, shares of Common Stock and associated Rights issuable upon
conversion of convertible securities or exercise of currently outstanding
warrants to purchase Common Stock, securities issuable upon the exercise of
Rights, any shares of Common Stock and associated Rights issuable pursuant to
exercise of options or similar rights granted to directors, officers or
employees and any other interests in shares of Common Stock and associated
Rights granted in connection with any other employee benefit plans of the
Company).

                 SECTION 4.  Payment of Expenses.  As between the Company and
the Underwriters, the Company will pay or cause to be paid and bear or cause to
be borne all costs and expenses incident to the performance of its obligations
under this Agreement, including (i) the printing and filing of the Registration
Statement as originally filed and of





                                      -13-
<PAGE>   15
each amendment thereto and the cost of furnishing copies thereof to the
Underwriters, (ii) the preparation, issuance and delivery of the Securities to
the Underwriters, (iii) the fees and disbursements of the Company's counsel and
accountants, (iv) the expenses in connection with the qualification of the
Securities under state securities laws in accordance with the provisions of
Section 3(g) hereof, including filing fees and the fees and disbursements of
counsel for the Underwriters in connection therewith and in connection with the
preparation of the Blue Sky Memorandum, (v) the printing and delivery to the
Underwriters of copies of each of the preliminary prospectuses, and of the
Prospectus and any amendments or supplements thereto, (vi) the delivery to the
Underwriters of copies of Blue Sky Memorandum, and (vii) the fees and expenses
incurred in connection with any filings required to be made by the Underwriters
with the National Association of Securities Dealers, Inc.

                 If this Agreement is terminated by the Representatives in
accordance with the provisions of Section 5 or Section 9(a)(i) hereof, the
Company shall reimburse the Underwriters for all of their out-of-pocket
expenses, including the reasonable fees and disbursements of counsel for the
Underwriters.

                 The provisions of this Section shall not affect any agreement
between the Company and the Selling Shareholder regarding the allocation or
sharing of such expenses and costs.

                 SECTION 5.  Conditions of Obligations of the Underwriters.
The obligations of the Underwriters hereunder are subject to the accuracy of
the representations and warranties of the Company and the Selling Shareholder
herein contained at the date hereof and at Closing Time, to the performance by
the Company and the Selling Shareholder of their respective obligations
hereunder required to be performed prior to Closing Time, and to the following
further conditions:

                 (a)      The Registration Statement shall have become
effective not later than 5:30 P.M. on the date hereof or at such later time and
date as may be approved by the Representatives; and at Closing Time and any
Date of Delivery, as the case may be, no stop order suspending the
effectiveness of the Registration Statement shall have been issued under the
1933 Act or proceedings therefor initiated or threatened by the Commission. If
the Company has elected to rely upon Rule 430A of the 1933 Act Regulations, the
initial public offering price per share of the Securities, the purchase price
per share to be paid by the Underwriters, and any other price-related
information previously omitted from the effective Registration Statement
pursuant to such Rule 430A shall have been transmitted to the Commission for
filing pursuant to Rule 424(b) of the 1933 Act Regulations within the
prescribed time period, and prior to Closing Time the Company shall have
provided evidence satisfactory to the Representatives of such timely filing, or
a post-effective amendment providing such information shall have been promptly
filed and declared effective in accordance with the requirements of Rule 430A
of the 1933 Act Regulations.





                                      -14-
<PAGE>   16
                 (b)      At Closing Time the Representatives shall have
         received:

                 (1)      The favorable opinion, dated as of Closing Time, of
         Bracewell & Patterson, L.L.P, counsel for the Company, in form and
         substance reasonably satisfactory to the Representatives, to the
         effect that:

                          (i)     The Company is a corporation duly
                 incorporated, validly existing and in good standing under the
                 laws of the State of Louisiana.

                          (ii)    The Partnership Subsidiary identified on
                 Schedule B hereto (the "Designated Partnership Subsidiary") is
                 a general partnership duly formed and validly existing under
                 the laws of the Commonwealth of Kentucky.

                          (iii)   Each of the Company and the Designated
                 Partnership Subsidiary has all requisite corporate or
                 partnership power, as the case may be, to own and lease its
                 properties and to conduct its business as described in the
                 Prospectus and, to the best of their knowledge after due
                 inquiry is duly qualified as a foreign corporation or
                 partnership, as the case may be, to transact business and is
                 in good standing in each jurisdiction in which such
                 qualification is required, except where the failure so to
                 qualify would not have a material adverse effect on the
                 condition, financial or otherwise, or the earnings, business
                 affairs or business prospects of the Company and its
                 subsidiaries considered as one enterprise; to the best of
                 their knowledge after due inquiry, the Company owns 75% of the
                 general partnership interests in the Designated Partnership
                 Subsidiary.

                          (iv)    All of the issued and outstanding shares of
                 capital stock of the Company have been duly and validly
                 authorized and issued and are fully paid, nonassessable and
                 free of preemptive rights.  The Company's authorized capital
                 stock is as set forth in the Prospectus. At the close of
                 business on                , 1994,      shares of Common Stock
                 were outstanding,                 shares of Series A Preferred
                 Stock were outstanding,             shares of Series B
                 Preferred Stock were outstanding, no shares of Series C
                 Preferred Stock or Series D Preferred Stock were outstanding,
                 and there were outstanding options or warrants to acquire
                 shares of Common Stock.  The shares of Common Stock issuable
                 upon conversion of the Series A Preferred Stock, the Series B
                 Preferred Stock, the Series D Preferred Stock and such options
                 or warrants have been duly reserved for issuance upon exercise
                 or conversion thereof.  Except for the Series A Preferred
                 Stock, the Rights, the Series B Preferred Stock, the 7 1/2%
                 Convertible Subordinated Debentures Due 2013 issuable in
                 exchange for the Series B Preferred Stock, the Series C
                 Preferred Stock, the Series D Preferred Stock, this Agreement,
                 the warrants to purchase Common Stock and options to purchase
                 Common Stock pursuant to various stock option plans of the
                 Company described in the





                                      -15-
<PAGE>   17
                 Prospectus or described in or attached as an exhibit to a
                 document that is incorporated by reference in the Prospectus,
                 to the best of their knowledge after due inquiry there are no
                 (i) outstanding securities convertible into or exchangeable
                 for shares of capital stock of the Company or (ii) contracts,
                 commitments, agreements, understandings or arrangements of any
                 kind to which the Company is a party obligating the Company to
                 issue any capital stock, any securities convertible into or
                 exchangeable for, or rights to purchase or subscribe for
                 capital stock of the Company.

                          (v)     This Agreement has been duly authorized, 
                 executed and delivered by the Company.

                          (vi)    The Registration Statement has become
                 effective under the 1933 Act and, to the best of their
                 knowledge after due inquiry, no stop order suspending the
                 effectiveness of the Registration Statement has been issued
                 under the 1933 Act and no proceeding for that purpose has been
                 initiated or threatened by the Commission.

                          (vii)   The Registration Statement, as of its
                 effective date, and the Prospectus, as of its date, and any
                 supplements or amendments thereto, as of their respective
                 dates, (other than the financial statements and schedules and
                 other financial and statistical data included or incorporated
                 by reference therein, as to which no opinion need be rendered)
                 appeared on their face to comply as to form in all material
                 respects with the requirements of the 1933 Act and the 1933
                 Act Regulations.

                          (viii)  The Common Stock conforms as to legal matters
                 in all material respects to the description thereof contained
                 under the caption "Description of Capital Stock" in the
                 Prospectus, and the form of certificate used to evidence the
                 Common Stock is in due and proper form and complies with all
                 applicable statutory requirements of the Louisiana Business
                 Corporation Law.

                          (ix)    To the best of their knowledge after due
                 inquiry, there are no legal or governmental proceedings
                 pending or threatened that are required to be disclosed in the
                 Registration Statement other than those disclosed therein (or
                 in a document incorporated by reference or deemed to be
                 incorporated by reference therein).

                          (x)     Such counsel is not aware of any
                 authorization, approval, consent or order of any court or
                 governmental authority or agency that is required to be
                 obtained by the Company in connection with the offering of the
                 Securities to the Underwriters, except such as may be required
                 under the 1933 Act or the 1933 Act Regulations or the 1934 Act
                 or the 1934 Act Regulations or state securities law (or as
                 expressly contemplated in this





                                      -16-
<PAGE>   18
                 Agreement); and, to the best of their knowledge after due
                 inquiry, the execution, delivery and performance by the
                 Company of its obligations under this Agreement and the
                 consummation of the transactions contemplated herein and
                 compliance by the Company with its obligations hereunder will
                 not conflict with or constitute a breach of, or default under,
                 or result in the creation or imposition of any lien, charge or
                 encumbrance upon any property or assets of the Company or any
                 of its subsidiaries pursuant to, any contract, indenture,
                 mortgage, loan agreement, note, lease or other instrument to
                 which the Company or any of its subsidiaries is a party or by
                 which it or any of them may be bound, or to which any of the
                 property or assets of the Company or any of its subsidiaries
                 is subject, nor will such action result in any violation of
                 the provisions of the charter or by-laws of the Company, or
                 any applicable law, administrative regulation or
                 administrative or court decree which breach, default,
                 imposition or violation would have a material adverse effect
                 on the financial condition, business affairs or business
                 prospects of the Company and its subsidiaries considered as
                 one enterprise.

                          (xi)    To the best of their knowledge after due
                 inquiry, there are no contacts, indentures, mortgages, loan
                 agreements, notes, leases or other instruments required to be
                 described or referred to in the Registration Statement or to
                 be filed or incorporated by reference as exhibits thereto
                 other than those described or referred to in the Registration
                 Statement or filed as exhibits thereto; and the descriptions
                 thereof or references thereto are correct in all material
                 respects.

                          (xii)   To the best their knowledge after due
                 inquiry, no holder of securities of the Company has rights to
                 the registration under the 1933 Act of securities of the
                 Company because of the filing of the Registration Statement
                 that have not been waived.

                 In rendering the foregoing opinion or opinions, Bracewell &
         Patterson, L.L.P. may state that such opinion or opinions are limited
         to the federal laws of the United States, the laws of the State of
         Texas and the Louisiana Business Corporation Law, and that they are
         relying (i) as to matters governed by the laws of the State of
         Louisiana, upon the favorable opinion, dated as of Closing Time, of
         Stone, Pigman, Walther, Wittmann & Hutchinson, Louisiana counsel to
         the Company, in form and substance satisfactory to the
         Representatives, and (ii) as to matters governed by the laws of any
         other jurisdiction upon the favorable opinion, dated as of Closing
         Time, of other counsel acceptable to the Representatives, in form and
         substance satisfactory to the Representatives; provided in each case
         that the Representatives shall have been delivered original signed
         copies of each such opinion.

                 (2)      The favorable opinion, dated as of the Closing Time,
         of Wilmer, Cutler & Pickering, counsel for the Selling Shareholder, in
         form and substance reasonably





                                      -17-
<PAGE>   19
         satisfactory to the Representatives, to the effect that this Agreement
         and the Pricing Agreement have each been duly and validly authorized,
         executed and delivered by the Selling Shareholder and, to the best
         knowledge and information of such counsel after due inquiry, the
         Selling Shareholder has good and marketable title to the Initial
         Securities to be sold by the Selling Shareholder hereunder, free and
         clear of any mortgage, pledge, lien, security interest, encumbrance or
         claim and full power, right and authority to sell such Securities
         without breach or violation of or default under any applicable law,
         administrative regulation or any administrative or court decree or
         agreement to which the Selling Shareholder is subject.

                 (3)      The favorable opinion, dated as of Closing Time, of
         Baker & Botts, L.L.P., counsel for the Underwriters, with respect to
         the matters set forth in (i), (v), (vi), (vii) and (viii) of
         subsection (b)(1) of this Section. In rendering such opinion or
         opinions, Baker & Botts, L.L.P. may state that such opinion or
         opinions are limited to the federal laws of the United States, the
         laws of the State of Texas and the Louisiana Business Corporation Law,
         and may state that they are relying as to matters governed by the laws
         of any other jurisdiction upon the favorable opinion of other counsel
         in substantially the same manner as described in subsection (b)(1) of
         this Section.

                 (4)      The written advice of Bracewell & Patterson, L.L.P.
         to the effect that nothing has come to their attention that causes
         them to believe that the Registration Statement, at the time it became
         effective, contained an untrue statement of a material fact or omitted
         to state a material fact required to be stated therein or necessary to
         make the statements therein not misleading or that the Prospectus, at
         the Representation Date (unless the term "Prospectus" refers to a
         prospectus which has been provided to the Underwriters by the Company
         for use in connection with the offering of the Securities which
         differs from the Prospectus on file at the Commission at the time the
         Registration Statement becomes effective, in which case at the time it
         is first provided to the Underwriters for such use) or at Closing
         Time, contained or contains an untrue statement of a material fact or
         omitted or omits to state a material fact necessary in order to make
         the statements therein, in the light of the circumstances under which
         they were made, not misleading; it being understood that such counsel
         need give no such advice as to the financial statements and schedules
         or other financial or statistical data contained or incorporated by
         reference in the Registration Statement or the Prospectus.

                 (5)      The written advice of Wilmer, Cutler & Pickering to
         the effect that nothing has come to its attention that causes it to
         believe that any information about the Selling Shareholder in the
         Registration Statement, at the time it became effective or at the
         Representation Date, or the Prospectus, at the Representation Date
         (unless the term "Prospectus" refers to a prospectus which has been
         provided to the Underwriters by the Company for use in connection with
         the offering of the Securities which differs from the Prospectus on
         file at the Commission at the time





                                      -18-
<PAGE>   20
         the Registration Statement becomes effective, in which case at the
         time it is first provided to the Underwriters for such use) or at
         Closing Time, contained an untrue statement of a material fact or
         omitted to state a material fact required to be stated therein or
         necessary to make the statements therein, in light of the
         circumstances under which they were made, not misleading.

                 (c)      At Closing Time, except as described in or
contemplated by the Prospectus, there shall not have been, since the date
hereof or since the respective dates as of which information is given in the
Registration Statement and the Prospectus, any material adverse change in the
condition, financial or otherwise, or the earnings, business affairs or
business prospects of the Company or its subsidiaries considered as one
enterprise, whether or not in the ordinary course of business, and the
Representatives shall have received a certificate of the President or any Vice
President of the Company and of the chief financial or chief accounting officer
of the Company, dated as of Closing Time, to the effect that (i) there has been
no such material adverse change, (ii) the representations and warranties of the
Company contained in Section 1(a) of this Agreement are true and correct with
the same force and effect as though expressly made at and as of Closing Time,
(iii) the Company has complied with all agreements and satisfied all conditions
on its part to be performed or satisfied at or prior to Closing Time, and (iv)
no stop order suspending the effectiveness of the Registration Statement has
been issued and no proceedings for that purpose have been initiated or
threatened by the Commission.

                 (d)      At the time of the execution of this Agreement, the
Representatives shall have received from Deloitte & Touche a letter dated such
date, in form and substance satisfactory to the Representatives, to the effect
that (i) they are independent public accountants with respect to the Company
and its subsidiaries within the meaning of the 1933 Act and the 1933 Act
Regulations; (ii) it is their opinion that the consolidated financial
statements and supporting schedules included in the Registration Statement and
covered by their opinions therein comply as to form in all material respects
with the applicable accounting requirements of the 1933 Act and the 1933 Act
Regulations; (iii) based upon limited procedures set forth in detail in such
letter, nothing has come to their attention that causes them to believe that
(A) the unaudited and other financial information of the Company and its
subsidiaries included in the Registration Statement or incorporated by
reference therein does not comply as to form in all material respects with the
applicable accounting requirements of the 1933 Act and the 1933 Act Regulations
or is not presented in conformity with generally accepted accounting principles
applied on a basis substantially consistent with that of the audited
consolidated financial statements included in the Registration Statement or
incorporated by reference therein, or (B) at a specified date not more than
five days prior to the date of the Pricing Agreement, there has been any change
in the capital stock of the Company or any increase in the consolidated long
term debt of the Company and its subsidiaries or any decrease in consolidated
net current assets or net assets as compared with the amounts shown in the
September 30, 1993 balance sheet included in the Registration Statement or
incorporated by reference therein or, during the period from September 30, 1993
to a specified date not more than five days prior to the





                                      -19-
<PAGE>   21
date of the Pricing Agreement, there were any decreases, as compared with the
corresponding period in the preceding year, in consolidated revenues, net
income or net income per share of the Company and its subsidiaries, except in
all instances for changes, increases or decreases which the Registration
Statement and the Prospectus disclose have occurred or may occur and for
changes, increases or decreases set forth in such letter, in which case the
letter shall be accompanied by an explanation by the Company as to the
significance thereof unless said explanation is not deemed necessary by the
Representatives; and (iv) in addition to the examination referred to in their
opinions and the limited procedures referred to in clause (iii) above, they
have carried out certain specified procedures, not constituting an audit, with
respect to certain amounts, percentages and financial information which are
included in the Registration Statement and Prospectus and which are specified
by the Representatives, and have found such amounts, percentages and financial
information to be in agreement with the relevant accounting, financial and
other records of the Company and its subsidiaries identified in such letter.

                 (e)      At Closing Time the Representatives shall have
received from Deloitte & Touche a letter, dated as of Closing Time to the
effect that they confirm the statements made in the letter furnished pursuant
to subsection (d) of this Section, except that the specified date referred to
in such letter shall be a date not more than five days prior to Closing Time.

                 (f)      At Closing Time counsel for the Underwriters shall
have been furnished with such documents and opinions as they may require for
the purpose of enabling them to pass upon the issuance and sale of the
Securities as herein contemplated and related proceedings, or in order to
evidence the accuracy of any of the representations or warranties, or the
fulfillment of any of the conditions, herein contained; and all proceedings
taken by the Company and the Selling Shareholder in connection with the
issuance and sale of the Securities as herein contemplated shall be reasonably
satisfactory in form and substance to the Representatives.

                 (g)      At Closing Time all actions, proceedings,
instruments, opinions and documents required in connection with the
consummation of the transactions contemplated by this Agreement shall be
reasonably satisfactory to the Representatives, and the Company shall have
delivered to the Representatives such other certificates and documents as the
Representatives shall reasonably request.

                 (h)      At Closing Time the Representatives shall have
received a certificate from the Selling Shareholder, dated as of the Closing
Time, to the effect that (i) the representations and warranties of the Selling
Shareholder contained in Section 1(b) are true and correct with the same force
and effect as though expressly made at and as of Closing Time and (ii) the
Selling Shareholder has complied with all agreements and satisfied all
conditions on its part to be performed or satisfied at or prior to Closing
Time.





                                      -20-
<PAGE>   22
                 (i)      At Closing Time, the Company shall have furnished to
the Representatives "lock-up" letters, in form and substance reasonably
satisfactory to the Representatives, signed by each of the directors and
officers of the Company whose names are set forth in Schedule C hereto,
pursuant to which each such person shall agree not to offer for sale, sell,
grant an option for the sale of, or otherwise dispose of, directly or
indirectly, without the prior written consent of Merrill Lynch, any shares of
Common Stock or any securities convertible into or exchangeable into or
exercisable for Common Stock owned by such person or with respect to which such
person has the power of disposition, for a period of 90 days from the date of
the Pricing Agreement (except for shares of Common Stock and the associated
Rights issuable upon the exercise of options or similar rights granted by the
Company to such person as a director, officer or employee and any other
interests in shares of Common Stock and the associated Rights granted to such
person in connection with any other employee benefit plans of the Company).

                 (j)      In the event the Underwriters exercise their option
provided in Section 2 hereof to purchase all or any part of the Option
Securities, and the Date of Delivery specified by the Representatives for any
such purchase is a date other than Closing Time, the obligation of the
Underwriters to purchase all or any such portion of the Option Securities shall
be subject, in addition to the foregoing conditions, to the accuracy of the
representations and warranties of the Company and the Selling Shareholder,
respectively, at each Date of Delivery, to the performance by the Company and
the Selling Shareholder, respectively, of its obligations hereunder required to
be performed prior to each Date of Delivery, and to the receipt by the
Representatives of the following:

                 (1)      A certificate, dated such Date of Delivery, of the
         President or any Vice President of the Company and of the chief
         financial or chief accounting officer of the Company confirming that
         the certificate delivered at Closing Time pursuant to subsection (c)
         of this Section remains true as of such Date of Delivery.

                 (2)      A certificate from the Selling Shareholder, dated
         such Date of Delivery, confirming that the certificate delivered at
         the Closing Time pursuant to subsection (h) of this Section remains
         true as of such Date of Delivery.

                 (3)      The favorable opinion of Bracewell & Patterson,
         L.L.P., counsel for the Company, in form and substance reasonably
         satisfactory to the Representatives, dated such Date of Delivery, to
         the same effect as the opinion required by Section 5(b)(1) hereof and
         the written advice required by Section 5(b)(4) hereof, together with
         original signed copies of any opinion of other counsel whose opinion
         has been relied upon by Bracewell & Patterson, L.L.P.

                 (4)      The favorable opinion of Wilmer, Cutler & Pickering,
         counsel for the Selling Shareholder, in form and substance reasonably
         satisfactory to the Representatives, dated such Date of Delivery,
         relating to the Option Securities and





                                      -21-
<PAGE>   23
         otherwise to the same effect as the opinion required by Section
         5(b)(2) hereof and the written advice required by Section 5(b)(5)
         hereof.

                 (5)      The favorable opinion of Baker & Botts, L.L.P.,
         counsel for the Underwriters, dated such Date of Delivery, relating to
         the Option Securities and otherwise to the same effect as the opinion
         required by Section 5(b)(3) hereof.

                 (6)      A letter, dated as of such Date of Delivery, from
         Deloitte & Touche, in form and substance satisfactory to the
         Representatives, substantially the same in scope and substance as the
         letter furnished pursuant to Section 5(d) hereof, except that the
         "specified date" in such letter shall be a date not more than five
         days prior to such Date of Delivery.

                 If any condition specified in this Section shall not have been
fulfilled when and as required to be fulfilled, this Agreement may be
terminated by the Underwriters by notice to the Company and the Selling
Shareholder at any time at or prior to Closing Time and such termination shall
be without liability of any party to any other party except as provided in
Section 4 hereof.

                 SECTION 6. Indemnification.

                 (a)      The Company agrees to indemnify and hold harmless
each Underwriter and each person, if any, who controls any Underwriter within
the meaning of Section 15 of the 1933 Act as follows:

                          (i)     against any and all loss, liability, claim,
         damage and expense whatsoever, as incurred, arising out of any untrue
         statement or alleged untrue statement of a material fact contained in
         the Registration Statement (or any amendment thereto), including
         information deemed to be part of the Registration Statement pursuant
         to Rule 430A(b) of the 1933 Act Regulations, if applicable, or the
         omission or alleged omission therefrom of a material fact required to
         be stated therein or necessary to make the statements therein not
         misleading or arising out of any untrue statement or alleged untrue
         statement of a material fact contained in any preliminary prospectus
         or the Prospectus (or any amendment or supplement thereto) or the
         omission or alleged omission therefrom of a material fact necessary in
         order to make the statements therein, in the light of the
         circumstances under which they were made, not misleading, unless in
         each case such untrue statement or omission or such alleged untrue
         statement or omission was made in reliance upon and in conformity with
         written information furnished to the Company in writing by a
         Underwriter through the Representatives expressly for use in the
         Registration Statement (or any amendment thereto) or such preliminary
         prospectus or the Prospectus (or any amendment or supplement thereto);
         provided, however, that with respect to any untrue statement or
         omission or alleged untrue statement or omission made in any
         preliminary prospectus or the Prospectus the indemnity agreement





                                      -22-
<PAGE>   24
         contained in this subsection (a) shall not inure to the benefit of any
         Underwriter from whom the person asserting any such loss, liability,
         claim, damage or expense purchased the Securities concerned, to the
         extent that any such loss, liability, claim, damage or expense of such
         Underwriter results from the fact that there was not sent or given to
         such person, at or prior to the written confirmation of the sale of
         such Securities to such person, a copy of the Prospectus (exclusive of
         material incorporated by reference) if the Company had previously
         furnished copies thereof to such Underwriter;

                          (ii)    against any and all loss, liability, claim,
         damage and expense whatsoever, as incurred, to the extent of the
         aggregate amount paid in settlement of any litigation, or any
         investigation or proceeding by any governmental agency or body,
         commenced or threatened, or of any claim whatsoever based upon any
         such untrue statement or omission, or any such alleged untrue
         statement or omission, if such settlement is effected with the written
         consent of the Company; and

                          (iii)   against any and all expense whatsoever, as
         incurred (including the fees and expenses of counsel chosen by the
         Representatives), reasonably incurred in investigating, preparing or
         defending against any litigation, or any investigation or proceeding
         by any governmental agency or body, commenced or threatened, or any
         claim whatsoever based upon any such untrue statement or omission, or
         any such alleged untrue statement or omission, to the extent that (x)
         the Company is required to do so under subsection (e) of this Section
         below and (y) any such expense is not paid under (i) or (ii) above.

                 Insofar as this indemnity may permit indemnification for
liabilities under the 1933 Act of any person who is a partner of an Underwriter
or who controls an Underwriter within the meaning of Section 15 of the 1933 Act
and who, at the date of this Agreement, is a director, officer or controlling
person of the Company, such indemnity is subject to the undertaking of the
Company in the Registration Statement.

                 (b)      The Company and the Selling Shareholder each agree to
indemnify and hold harmless the other pursuant to the terms set forth in the
Registration Rights and Lock-Up Agreement dated November 22, 1993 ("Lock-up
Agreement") by and among the Company and the Selling Shareholder.

                 (c)      Each Underwriter severally agrees to indemnify and
hold harmless the Company, its directors, each of its officers who signed the
Registration Statement, and each person, if any, who controls the Company
within the meaning of Section 15 of the 1933 Act and the Selling Shareholder
against any and all loss, liability, claim, damage and expense described in the
indemnity contained in subsection (a) of this Section, but only with respect to
untrue statements or omissions, or alleged untrue statements or omissions, made
in the Registration Statement (or any amendment thereto) or any preliminary
prospectus or the Prospectus (or any amendment or supplement thereto) in
reliance upon and in conformity





                                      -23-
<PAGE>   25
with written information furnished to the Company by such Underwriter through
the Representatives expressly for use in the Registration Statement (or any
amendment thereto) or such preliminary prospectus or the Prospectus (or any
amendment or supplement thereto).

                 (d)      The Selling Shareholder agrees to indemnify and hold
harmless each Underwriter and each person, if any, who controls any Underwriter
within the meaning of Section 15 of the 1933 Act against any and all loss,
liability, claim, damage, and expense described in the indemnity contained in
subsection (a) of the Section, but only with respect to untrue statements or
omissions, or alleged untrue statements or omissions, made in the Registration
Statement (or any amendment thereto) or any preliminary prospectus or the
prospectus (or any amendment or supplement thereto) in reliance upon and in
conformity with written information furnished to the Company by the Selling
Shareholder expressly for use in the Registration Statement (or any amendment
thereto) or such preliminary prospectus or the Prospectus.

                 (e)      Each indemnified party shall give notice as promptly
as reasonably practicable to each indemnifying party of any action commenced
against it in respect of which indemnity may be sought hereunder but failure to
so notify any indemnifying party shall not relieve it from any liability which
it may have otherwise than on account of this indemnity agreement.  An
indemnifying party may participate at its own expense in the defense of such
action.  If it so elects within a reasonable time after receipt of such notice,
an indemnifying party, jointly with any other indemnifying parties receiving
such notice, may assume the defense of such action with counsel chosen by it
and approved by the indemnified parties defendant in such action, except to the
extent such indemnified parties retain separate counsel (the "Separate
Counsel") with respect to legal defenses available to them that are different
from or in addition to those available to such indemnifying party and such
defenses are in conflict with the interests of the indemnifying parties.  If an
indemnifying party assumes the defense of such action, the indemnifying parties
shall not be liable for any fees and expenses of counsel for the indemnified
parties incurred thereafter in connection with such action.  In no event shall
the indemnifying parties be liable for the reasonable fees and expenses of more
than the Separate Counsel (in addition to any local counsel) separate from
their own counsel for all indemnified parties in connection with any one action
or separate but similar or related actions in the same jurisdiction arising out
of the same general allegations or circumstances.

                 (f)      This Agreement supersedes the provisions of the
Lock-Up Agreement providing for indemnification of the Underwriters by the
Company and the Selling Shareholder in connection with the offering and sale of
the Securities.

                 SECTION 7.       Contribution.  In order to provide for just
and equitable contribution in circumstances in which the indemnity agreement
provided for in Section 6 hereof is for any reason held to be unenforceable by
the indemnified parties although applicable in accordance with its terms, the
Company and the Selling Shareholder and the





                                      -24-
<PAGE>   26
Underwriters shall contribute to the aggregate losses, liabilities, claims,
damages and expenses of the nature contemplated by said indemnity agreement
incurred by the Company and the Selling Shareholder and one or more of the
Underwriters in such proportions that the Underwriters are responsible for that
portion represented by the percentage that the underwriting discount appearing
on the cover page of the Prospectus bears to the initial public offering price
appearing thereon and the Company and the Selling Shareholder are responsible
for the balance; provided, however, that no person guilty of fraudulent
misrepresentation (within the meaning of Section 11(f) of the 1933 Act) shall
be entitled to contribution from any person who was not guilty of such
fraudulent misrepresentation.  For purposes of this Section, each person, if
any, who controls an Underwriter or the Selling Shareholder within the meaning
of Section 15 of the 1933 Act shall have the same rights to contribution as
such Underwriter or Selling Shareholder, as the case may be, and each director
of the Company, each officer of the Company who signed the Registration
Statement, and each person, if any, who controls the Company within the meaning
of Section 15 of the 1933 Act shall have the same rights to contribution as the
Company.

                 SECTION 8.       Representations, Warranties and Agreements to
Survive Delivery.  All representations, warranties and agreements contained in
this Agreement and the Pricing Agreement, or contained in certificates of
officers of the Company or the Selling Shareholder submitted pursuant hereto,
shall remain operative and in full force and effect, regardless of any
investigation made by or on behalf of any Underwriter or controlling person, or
by or on behalf of the Company or the Selling Shareholder, and shall survive
delivery of the Securities to the Underwriters.

                 SECTION 9.       Termination of Agreement.

                 (a)      The Representatives may terminate this Agreement, by
notice to the Company and the Selling Shareholder, at any time at or prior to
Closing Time (i) if there has been, since the date of this Agreement or since
the respective dates as of which information is given in the Prospectus any
material adverse change in the condition, financial or otherwise, or the
earnings, business affairs or business prospects of the Company and its
subsidiaries considered as one enterprise, whether or not arising in the
ordinary course of business, or (ii) if there has occurred any material adverse
change in the financial markets of the United States or elsewhere or any
outbreak or escalation of hostilities or other calamity or crisis the effect of
which is such as to make it, in the judgment of the Representatives,
impracticable to market the Securities or enforce contracts for the sale of the
Securities, or (iii) if trading in the Common Stock has been suspended by the
Commission, or if trading generally on either the New York Stock Exchange or
the American Stock Exchange has been suspended, or minimum or maximum prices
for trading have been fixed, or maximum ranges for prices for securities have
been required, by either of said exchanges or by order of the Commission or any
other governmental authority, or if a banking moratorium has been declared by
either federal or New York authorities.





                                      -25-
<PAGE>   27
                 (b)      If this Agreement is terminated pursuant to this
Section, such termination shall be without liability of any party except as
provided in Section 4 hereof and except that the provisions of Sections 6 and 7
shall remain in effect.  As used in Section 9(a), the term "Prospectus" means
the Prospectus in the form first used to confirm sales of the Securities.

                 SECTION 10. Default by an Underwriter.  If any one of the
Underwriters shall fail to purchase and pay for any of the Initial Securities
agreed to be purchased by such  Underwriter under this Agreement and the
Pricing Agreement and such failure to purchase shall constitute a default in
the performance of its obligations hereunder and thereunder, the remaining
Underwriters shall have the right, within 24 hours thereafter, to make
arrangements for one or more of the non-defaulting Underwriters or any other
underwriters to purchase all, but not less than all, of Initial Securities not
so purchased in such amounts as may be agreed upon and upon the terms herein
set forth; if, however, the Underwriters shall not have completed such
arrangements within said 24- hour period, then:

                 (1)      if the number of Initial Securities not so purchased
         does not exceed 10% of the Initial Securities, the non-defaulting
         Underwriters shall be obligated to purchase the full amount thereof in
         the proportions that their respective underwriting obligations
         hereunder bear to the underwriting obligations of all non-defaulting
         Underwriters, or

                 (2)      if the number of Initial Securities not so purchased
         exceeds 10% of the Initial Securities, the Selling Shareholder will be
         entitled to an additional period of 24 hours within which to find one
         or more substitute underwriters reasonably satisfactory to the
         Representatives to purchase such Securities on the terms set froth in
         this Agreement.  A substitute underwriter will become an Underwriter
         for all purposes of this Agreement.

                 (3)      if the number of Initial Securities not so purchased
         exceeds 10% of the Initial Securities and the Selling Shareholder does
         not find one or more substitute underwriters pursuant to subsection
         (2) of this Section, this Agreement shall terminate without liability
         on the part of any non-defaulting Underwriter.

         No action taken pursuant to this Section shall relieve any defaulting
Underwriter from any liability it may have hereunder in respect of its default.

         In the event of any such default that does not result in a termination
of this Agreement, each of the Representatives and the Company shall have the
right to postpone Closing Time for such period, not exceeding seven days, as
they shall determine in order that the required changes in Registration
Statement and the Prospectus or in any other documents or arrangements may be
effected.





                                      -26-
<PAGE>   28
                 SECTION 11.  Notices. All notices and other communications
hereunder shall be in writing and shall be deemed to have been duly given if
mailed or transmitted by any standard form of telecommunication.  Notices to
the Underwriters shall be directed to the Representatives c/o Merrill Lynch &
Co., Merrill Lynch, Pierce, Fenner & Smith Incorporated at World Financial
Center, North Tower, 250 Vesey Street, New York, New York 10281, to the
attention of Lee R. Cole; notices to the Company shall be directed to it at
1200 Smith Street, Suite 2400, Houston, Texas 77002 to the attention of James
L. Persky; and notices to the Selling Shareholder shall be directed to Richard
C. Blum & Associates, Inc., 909 Montgomery Street, Suite 400, San Francisco,
California 94133 to the attention of N. Colin Lind.

                 SECTION 12.  Parties. This Agreement and the Pricing Agreement
shall each inure to the benefit of and be binding upon the Underwriters, the
Company and the Selling Shareholder and their respective successors.  Nothing
expressed or mentioned in this Agreement or the Pricing Agreement is intended
or shall be construed to give any person, firm or corporation, other than the
Underwriters, the Company and the Selling Shareholder and their respective
successors and the controlling persons and officers and directors referred to
in Sections 6 and 7 hereof and their heirs and legal representatives, any legal
or equitable right, remedy or claim under or in respect of this Agreement or
the Pricing Agreement or any provision herein or therein contained.  This
Agreement and the Pricing Agreement and all conditions and provisions hereof
and thereof are intended to be for the sole and exclusive benefit of the
Underwriters, the Company and the Selling Shareholder and their respective
successors, and said controlling persons and officers and directors and their
heirs and legal representatives, and for the benefit of no other person, firm
or corporation. No purchaser of Securities from any Underwriter shall be deemed
to be a successor by reason merely of such purchase.

                 SECTION 13.  Governing Law and Time.  This Agreement and the
Pricing Agreement shall be governed by the laws of the State of New York
applicable to agreements made and to be performed in said state.  Except where
otherwise provided, specified times of day refer to New York City time.





                                      -27-
<PAGE>   29
                 If the foregoing is in accordance with your understanding of
our agreement, please sign and return to us a counterpart hereof, whereupon
this instrument along with all counterparts will become a binding agreement
among the Company, the Selling Shareholder and each of the Underwriters in
accordance with its terms.

                                    Very truly yours,

                                    SOUTHDOWN, INC.

                                    By: ________________________________________
                                    Name: 
                                    Title:

                                    CARPENTERS PENSION TRUST
                                    FOR SOUTHERN CALIFORNIA

                                    By:     Richard C. Blum and
                                            Associates, Inc.,
                                            Investment Adviser

                                    By: ________________________________________
                                    Name: 
                                    Title:

                                    RICHARD C. BLUM
                                    & ASSOCIATES, INC.

                                    By: ________________________________________
                                    Name: 
                                    Title:

CONFIRMED AND ACCEPTED,
as of the date first above written:

MERRILL LYNCH & CO.
Merrill Lynch, Pierce, Fenner & Smith Incorporated
KIDDER, PEABODY & CO. INCORPORATED
LEHMAN BROTHERS INC.

By:  Merrill Lynch, Pierce, Fenner & Smith Incorporated

By: ______________________________________                    
Name:
Title:





                                      -28-
<PAGE>   30
                                                                      SCHEDULE A




<TABLE>
<CAPTION>
                                                                                         Number of
Name of                                                                              Initial Securities
Underwriters                                                                        to be Purchased    
- ------------                                                                        -------------------
<S>                                                                                       <C>
Merrill Lynch, Pierce, Fenner & Smith
            Incorporated  . . . . . . . . . . . . . . . . . . . . . . .
Kidder, Peabody & Co. Incorporated  . . . . . . . . . . . . . . . . . . 
Lehman Brothers Inc.


                                                                                          _________
                          Total . . . . . . . . . . . . . . . . . . . .                   1,550,000
                                                                                          ---------
</TABLE>





                                      -29-
<PAGE>   31
                                                                      SCHEDULE B



Kosmos Cement Company, a Kentucky general partnership





                                      -30-
<PAGE>   32
                                                                      SCHEDULE C

G. Walter Loewenbaum II
Clarence C. Comer
Fentress Bracewell
W.J. Conway
Killian L. Huger Jr.
Edgar J. Marston III
Michael A. Nicolais
Frank J. Ryan
Robert J. Slater
Ronald N. Tutor
V. H. Van Horn III
Steven B. Wolitzer
J. Bruce Tompkins
James L. Persky
Dennis M. Thies





                                      -31-
<PAGE>   33
                                                                       EXHIBIT A

                                SOUTHDOWN, INC.
                           (a Louisiana corporation)

                                1,550,000 Shares
                                  Common Stock
                          (Par Value $1.25 Per Share)


                               PRICING AGREEMENT

                                                                January __, 1994

MERRILL LYNCH & CO.
Merrill Lynch, Pierce, Fenner & Smith
            Incorporated
KIDDER, PEABODY & CO. INCORPORATED
LEHMAN BROTHERS INC.
     as Representatives of the
     several Underwriters
c/o MERRILL LYNCH & CO.
     Merrill Lynch, Pierce, Fenner & Smith Incorporated
     Merrill Lynch World Headquarters
     World Financial Center
     North Tower
     250 Vesey Street
     New York, New York  10281


Dear Sirs:

                 Reference is made to the Purchase Agreement, dated January __,
1994 (the "Purchase Agreement"), relating to the purchase by the several
Underwriters named in Schedule A thereto, for whom Merrill Lynch & Co., Merrill
Lynch, Pierce, Fenner & Smith Incorporated, Kidder, Peabody & Co. Incorporated
and Lehman Brothers Inc. are acting as representatives (collectively, the
"Underwriters") of the above-referenced shares of Common Stock of Southdown,
Inc., a Louisiana corporation, from Carpenters Pension Trust for Southern
California, a California pension fund, and Richard C. Blum & Associates, Inc.,
a California corporation (collectively, the "Selling Shareholder"), and the
grant by the Selling Shareholder to the Underwriters of options to purchase up
to an additional 232,500 shares of Common Stock to cover over-allotments.
Capitalized terms used herein and not otherwise defined shall have the
respective meanings assigned thereto in the Purchase Agreement.

                 Pursuant to Section 2 of the Purchase Agreement, the Selling
Shareholder agrees with each Underwriter as follows:
<PAGE>   34
                 1.       The initial public offering price per share of the
Securities, determined as provided in said Section 2, shall be $__________.

                 2.       The purchase price per share for the Securities to be
paid by the several Underwriters shall be $________, being an amount equal to
the initial public offering price set forth above less $______ per share

                 If the foregoing is in accordance with your understanding of
our agreement, please sign and return to the Selling Shareholder a counterpart
hereof, whereupon this instrument along with all counterparts will become a
binding agreement between the Selling Shareholder and each of the Underwriters
in accordance with its terms.


                                             Very truly yours,

                                             CARPENTERS PENSION TRUST
                                             FOR SOUTHERN CALIFORNIA

                                             By:     Richard C. Blum and
                                                     Associates, Inc.
                                                     Investment Adviser

                                             By: ________________________
                                                 Name:
                                                 Title:

                                             RICHARD C. BLUM & ASSOCIATES, INC.

                                             By: ________________________
                                                 Name:
                                                 Title:

CONFIRMED AND ACCEPTED,
as of the date first above written:

MERRILL LYNCH & CO.
Merrill Lynch, Pierce, Fenner & Smith
            Incorporated
KIDDER, PEABODY & CO. INCORPORATED
LEHMAN BROTHERS INC.

By:  Merrill Lynch, Pierce, Fenner & Smith
                 Incorporated

By: __________________________________              
Name:
Title:

<PAGE>   1
                                                                     Exhibit 4.2





                                                                   Draft 1/19/94



ARTICLES OF AMENDMENT                                            STATE OF TEXAS
        TO                                                   
RESTATED ARTICLES OF                                            COUNTY OF HARRIS
   INCORPORATION                            
        OF                                                      CITY OF HOUSTON 
SOUTHDOWN, INC.     
     


        BE IT KNOWN, That on this _____ day  of January, 1994

        BEFORE ME, _____________________, a Notary Public, duly commissioned
and qualified in and for the County of Harris, State of Texas, and in the
presence of the witnesses hereinafter named and undersigned:

                         PERSONALLY CAME AND APPEARED:

        CLARENCE C. COMER and WENDELL E. PHILLIPS, II, appearing herein and
acting for Southdown, Inc. (of which Corporation they are, respectively,
President and Secretary), a corporation organized and existing under the laws
of the State of Louisiana, domiciled in the Parish of Orleans, State of
Louisiana, organized by Articles of Incorporation effective April 4, 1930,
which Articles, as amended, were restated pursuant to Restated Articles of
Incorporation effective September 15, 1983, and further amended as of April 10,
1987, December 2, 1987, April 23, 1988, May 23, 1988 and March 4, 1991 ("the
Corporation"), who declared that pursuant to Sections 24B(6) and 33A of the
Louisiana Business Corporation Law, Article IIIB of the Restated Articles of
Incorporation of the Corporation, resolutions of the Board of Directors of the
Corporation adopted at special meetings of the Board of Directors of the
Corporation held on November 22, 1993 and January 20, 1994, and resolutions of
its duly authorized Special Committee unanimously adopted at a special meeting
of such committee held on January __, 1994, they now appear for the purpose of
executing this act of amendment and putting into authentic form the amendment
so adopted by the Special Committee of the Board of Directors of the
Corporation.

        AND THE SAID APPEARERS further declare that by unanimous vote of the
duly authorized Special Committee of the Board of Directors of the Corporation,
it was resolved that Article III of the Restated Articles of Incorporation of
the Corporation be further amended as follows:

<PAGE>   2
        1.  There is added as a new paragraph F of Article III the
following:

            F.  Of the aforesaid 10,000,000 shares of Preferred Stock, 1,725,000
shares shall constitute a separate series of preferred shares designated
"Preferred Stock, $____ Cumulative Convertible Series D" (hereinafter called
the "Series D Preferred Stock"), which shall have a stated value of $50.00 per
share.  The preferences, limitations and relative rights of the Series D
Preferred Stock are as follows:

             PREFERRED STOCK, $___  CUMULATIVE CONVERTIBLE SERIES D

        (1)  Dividends.  The holders of the Series D Preferred Stock shall be
entitled to receive, when and as declared by the Board of Directors, out of the
funds of the Corporation legally available therefor, subject to the prior and
superior rights of the holders of the Corporation's Preferred Stock, $.70
Cumulative Convertible Series A (the "Series A Preferred Stock") and any other
shares of any series or class of stock of the Corporation ranking senior to the
Series D Preferred Stock as to dividends, but pari passu with the Corporation's
Preferred Stock, $3.75 Convertible Exchangeable Series B (the "Series B
Preferred Stock") and any other shares of any series or class of stock of the
Corporation ranking pari passu with the Series D Preferred Stock as to
dividends, and in preference to the holders of the Corporation's Preferred
Stock, Cumulative Junior Participating Series C (the "Series C Preferred
Stock") that may be issued and the holders of the Common Stock of the
Corporation and any other stock of the Corporation ranking junior to the Series
D Preferred Stock as to dividends, cumulative preferential dividends per share
of Series D Preferred Stock in cash at the rate per annum of $______, and no
more, until conversion or redemption.  Dividends on the Series D Preferred
Stock will be cumulative, will accrue from the date of original issuance and
will be paid (when and as declared by the Board of Directors of the
Corporation) in cash quarterly, in arrears, on the first day of each April,
July, October and January, commencing on April 1, 1994.  Each such regular
dividend on the Series D Preferred Stock shall be paid to the holders of record
of shares of the Series D Preferred Stock as they appear on the stock register
of the Corporation on such record date, not exceeding 30 days preceding the
payment date thereof, as shall be fixed by the Board of Directors of the
Corporation.  Dividends on account of arrears for any past dividend periods may
be declared and paid at any time, without reference to any regular dividend
payment date, to holders of record on such date, not exceeding 45 days
preceding the payment date thereof, as may be fixed by the Board of Directors
of the Corporation.  No dividend may be


                                 -2-



<PAGE>   3


declared on any other series or class of stock ranking on a parity with the
Series D Preferred Stock as to dividends in respect of any dividend period,
unless there shall also be or have been declared on the Series D Preferred
Stock like dividends for all periods at the dividend rates fixed therefor.  In
the event that full cumulative dividends on the Series D Preferred Stock have
not been paid or declared and set apart for payment, the Corporation may not
declare or pay or set apart for payment any dividends or make any other
distributions on, or make any payment on account of the purchase, redemption or
retirement of, the Common Stock or any other stock of the Corporation ranking
as to dividends or distributions of assets on liquidation, dissolution or
winding up of the Corporation junior to the Series D Preferred Stock (other
than, in the case of dividends or distributions, dividends or distributions
paid in shares of Common Stock or such other junior ranking stock), until full
cumulative dividends on the Series D Preferred Stock are paid or declared and
set apart for payment.

        (2)  Redemption.  (a) Shares of Series D Preferred Stock shall be
redeemable for cash, at the option of the Corporation, in whole or in part at
any time or from time to time on or after January _____, 2001, at a redemption
price of $50 per share of Series D Preferred Stock, plus an amount equal to
accrued and unpaid dividends (whether or not declared) to the date fixed for
redemption.  If the date of redemption falls after a dividend payment record
date but before the related payment date, the record holders of the Series D
Preferred Stock on that record date shall be entitled to receive the dividend
payable on the Series D Preferred Stock notwithstanding the redemption thereof. 
Except as provided in this subparagraph (2)(a), no payment or allowance shall
be made for accrued dividends on any shares of Series D Preferred Stock called
for redemption.

        (b)  In case of the redemption of only part of the Series D Preferred
Stock at the time outstanding, such redemption shall be made pro rata or by lot
or in such other manner as the Board of Directors of the Corporation may
determine; provided, however, that the Corporation shall not be required to
effect the redemption in any manner that results in additional fractional
shares being outstanding.  If full cumulative dividends on the outstanding
shares of Series D Preferred Stock shall not have been paid or declared and set
apart for payment for all regular dividend payment dates to and including the
last dividend payment date prior to the date fixed for redemption, the
Corporation shall not call for redemption any shares of Series D Preferred
Stock unless all





                                      -3-

<PAGE>   4


such shares then outstanding are called for simultaneous redemption.

        (c)  Notice of any proposed redemption of Series D Preferred Stock
shall be given by the Corporation not less than 30 days nor more than 60 days
prior to the date fixed for such redemption to each holder of record of the
shares to be redeemed at the address appearing on the books of the Corporation. 
Notice of redemption shall be deemed to have been given when deposited in the
United States mails, first class mail, postage prepaid, whether or not such
notice is actually received.  If on or before the redemption date specified in
such notice all funds necessary for such redemption shall have been made
available at the office of the transfer agent, in trust for the pro rata
benefit of the holders of the shares so called for redemption, so as to be and
continue to be available therefor, then from and after the date of redemption
so designated, notwithstanding that any certificate representing shares of
Series D Preferred Stock so called for redemption shall not have been
surrendered for cancellation, the shares represented thereby shall no longer be
deemed outstanding, the right to receive dividends thereon shall cease to
accrue and all rights with respect to such shares of Series D Preferred Stock
so called for redemption shall forthwith at the close of business on such
redemption date cease and terminate, except only the right of the holders
thereof to receive the redemption price of such shares so to be redeemed plus
an amount equal to accrued and unpaid dividends (whether or not declared) to
the date fixed for redemption, but without interest thereon.

        (d)  Any monies so set aside by the Corporation and unclaimed at the
end of three years from the date fixed for redemption shall revert to the
general funds of the Corporation.

        (e)  The Corporation may, however, prior to the redemption date
specified in the notice of redemption, deposit in trust for the account of the
holders of the shares of Series D Preferred Stock to be redeemed, with a bank
or trust company in good standing organized under the laws of the United States
of America or of any state thereof, having its principal office located in the
continental United States, and having a capital, surplus and undivided profits
aggregating at least $50 million, designated in such notice of redemption, all
funds necessary for such redemption (including accrued and unpaid dividends up
to the date fixed for redemption), together with irrevocable written
instructions authorizing such bank or trust company, on behalf and at the
expense of the Corporation, to cause the notice of redemption to be





                                      -4-

<PAGE>   5


mailed as herein provided at least 30 days but not more than 60 days prior to
the redemption date and to include in said notice of redemption a statement
that all funds necessary for such redemption have been so deposited in trust
and are immediately available, and from and after the redemption date,
notwithstanding that any certificate representing shares of Series D Preferred
Stock so called for redemption shall not have been surrendered for
cancellation, the shares represented thereby shall no longer be deemed
outstanding and all rights with respect to such shares of Series D Preferred
Stock shall forthwith at the close of business on such redemption date cease
and terminate, except only the right of the holders thereof to receive from
such bank or trust company, at any time after the redemption date, the
redemption price of such shares so to be redeemed plus accrued and unpaid
dividends (whether or not declared) to the date fixed for redemption, but
without interest thereon.  In the event the holder of any such shares of Series
D Preferred Stock shall not, within three years after the redemption date,
claim the amount deposited for the redemption thereof, the depositary shall,
upon the request of the Corporation expressed in a resolution of its Board of
Directors, pay over to the Corporation such unclaimed amount after which time
the holders of the shares so called for redemption shall look only to the
Corporation for the payment thereof.

        (f)  If any shares of Series D Preferred Stock called for redemption
are not issued and outstanding as of the date fixed for redemption, the amount
set aside or deposited for the redemption thereof shall revert to or be paid
over to the Corporation.

        (g)  Any shares of Series D Preferred Stock which are redeemed or
otherwise purchased or acquired by the Corporation or any subsidiary thereof
shall be cancelled.  The number of shares of Series D Preferred Stock shall be
reduced by the number of shares so cancelled and such cancelled shares shall be
restored to the status of authorized but unissued shares of Preferred Stock,
without designation as to series, and may thereafter be issued but not as
shares of Series D Preferred Stock.  For the purposes of this paragraph, a
subsidiary means a corporation of which a majority of the capital stock having
voting power under ordinary circumstances to elect a majority of the board of
directors is owned by (a) the Corporation, (b) the Corporation and one or more
of its subsidiaries or (c) one or more of the Corporation's subsidiaries.





                                      -5-

<PAGE>   6


        (3)  Regarding Voting Rights.  (a) Each share of Series D Preferred
Stock shall entitle the holder thereof to one vote and, except as provided
herein or as required by law, the Series D Preferred Stock and the Common Stock
(and any other capital stock of the Corporation at any time entitled to vote)
shall vote together as a single class.

        (b)  In addition to any provisions herein and any requirement of law,
the Series D Preferred Stock shall vote as a single class with respect to any
proposal (i) to change the dividend rate, liquidation preference, redemption
price, voting rights or conversion rights of the shares of Series D Preferred
Stock or to increase the number of authorized shares of Series D Preferred
Stock; (ii) to increase the authorized amount of any series or class of capital
stock of the Corporation that ranks senior to the Series D Preferred Stock as
to dividends or distribution of assets on liquidation; (iii) to authorize,
create, issue or sell any shares of any series or any class of capital stock of
the Corporation that ranks senior to the Series D Preferred Stock as to
dividends or assets upon liquidation; (iv) to change or modify the voting
rights of the Series D Preferred Stock and (v) for the alteration, change or
modification of the rights set forth in this subparagraph (3)(b). The
affirmative vote of the holders of at least two-thirds of the outstanding
shares of Series D Preferred Stock shall be required to take any action on the
matters specified in clauses (i) through (v) of this subparagraph (3)(b).

        (c)  Unless the vote of a larger percentage is required by law or the
Articles of Incorporation, the affirmative vote of the holders of a majority of
the outstanding shares of Series D Preferred Stock entitled to vote on the
matter shall be sufficient to take any action as to which a class vote of the
holders of the Series D Preferred Stock is required by law or the Articles of
Incorporation.

        (d)  Whenever, at any time, dividends payable on the Series D Preferred
Stock shall be in arrears for six quarterly dividend periods, the holders of
all classes or series of preferred stock which rank pari passu with the Series
D Preferred Stock as to dividends and which shall specifically state that they
shall vote with the Series D Preferred Stock for the election of two directors
in such a case (specifically excluding the Series A Preferred Stock, the Series
B Preferred Stock and the Series C Preferred Stock) (the "Voting Preferred
Stock"), shall have the exclusive right, voting separately as a class,
irrespective of class or series, to elect by a plurality of the votes cast two
directors of the Corporation, who shall be a Class I director and a Class II
director,





                                      -6-

<PAGE>   7




respectively, (i) at the Corporation's next annual meeting of shareholders,
(ii) at a special meeting held in place thereof, (iii) at a special meeting of
the holders of shares of the Voting Preferred Stock called by the Secretary of
the Corporation upon the written request of the holders of record of 25% or
more of the total number of shares of Voting Preferred Stock then outstanding,
to be held within 30 days after delivery of such request, or (iv) by written
consent of the holders of a majority of the issued and outstanding shares of
Voting Preferred Stock in lieu thereof, and at each succeeding meeting of
shareholders thereafter at which directors shall be elected until such rights
shall terminate as hereinafter provided.  The Board of Directors of the
Corporation hereby unanimously directs the Secretary of the Corporation to give
notice of any special meeting of the shareholders of the Corporation required
from time to time by the provisions of this paragraph (3), in the manner
prescribed by the Bylaws of the Corporation.  At elections for such directors,
each holder of the Voting Preferred Stock shall be entitled to one vote for
each share held.  Upon the vesting of such voting right in the holders of the
Voting Preferred Stock, the maximum authorized number of members of the Board
of Directors shall automatically be increased by two and the two vacancies so
created shall be filled by vote of the holders of the Voting Preferred Stock as
hereinabove set forth.  The right of the holders of the Voting  Preferred
Stock, voting separately as a class, to elect members of the Board of Directors
of the Corporation as aforesaid shall continue until such time as all dividends
accumulated on the Voting Preferred Stock shall have been paid in full, at
which time such right shall terminate, except as by law expressly provided,
subject to revesting in the event of each and every subsequent default of the
character above mentioned.  Upon any termination of the right of the holders of
the Voting Preferred Stock to vote for directors as herein provided, the term
of office of all directors then in office elected by such Voting Preferred
Stock voting as a class shall terminate immediately.  If the office of any
director elected by the holders of the Voting Preferred Stock becomes vacant by
reason of death, resignation, retirement, disqualification, removal from office
or otherwise, the remaining director elected by the holders of Voting Preferred
Stock voting as a class may choose a successor who shall hold office for the
unexpired term in respect of which such vacancy occurred.  Whenever the special
voting powers vested in the holders of the Voting Preferred Stock shall have
expired, the number of directors shall become such number as may be provided
for in the By-Laws, or resolution of the Board of Directors thereunder,
irrespective of any increase made pursuant to the provisions of this
subparagraph (3)(d).





                                      -7-

<PAGE>   8



        (4)  Priority in Event of Dissolution.  In the event of any
liquidation, dissolution, or winding up of the affairs of the Corporation,
after payment or provision for payment of the debts and other liabilities of
the Corporation (including any liquidation preferences payable in respect of
the Series A Preferred Stock and any other capital stock of the Corporation
ranking senior to the Series D Preferred Stock as to assets), the holders of
the Series D Preferred Stock shall be entitled to receive, out of the remaining
net assets of the Corporation, $50.00 in cash for each share of Series D
Preferred Stock, plus an amount equal to all dividends accrued and unpaid on
each such share (whether or not declared) up to the date fixed for
distribution, before any distribution shall be made to the holders of the
Common Stock of the Corporation, the Series C Preferred Stock or any other
stock of the Corporation ranking junior to the Series D Preferred Stock as to
assets.  If upon any liquidation, dissolution or winding up of the affairs of
the Corporation, the assets distributable among the holders of the Series D
Preferred Stock, the Series B Preferred Stock and any other capital stock of
the Corporation ranking on a parity with the Series D Preferred Stock as to
assets shall be insufficient to permit the payment in full to the holders of
all shares of such Series D Preferred Stock, the Series B Preferred Stock and
any other capital stock of the Corporation ranking on a parity with the Series
D Preferred Stock as to assets of all preferential amounts payable to all such
holders, then the entire assets of the Corporation thus distributable shall be
distributed ratably among the holders of the Series D Preferred Stock, the
Series B Preferred Stock and any other capital stock of the Corporation ranking
on a parity with the Series D Preferred Stock as to assets in proportion to the
respective amounts that would be payable per share if such assets were
sufficient to permit payment in full.

        (5)  Conversion at Option of Holder.  (a) Subject to and upon
compliance with the provisions herein, at the option of the holder, shares of
Series D Preferred Stock may at any time be converted into fully paid and
nonassessable shares of Common Stock at the rate of ______ shares of Common
Stock for each share of Series D Preferred Stock to be converted (subject to
adjustment as hereinafter provided) (the "Conversion Rate"); provided, however,
that if the Corporation shall have given notice of redemption of any shares of
Series D Preferred Stock pursuant to paragraph (2) above or notice of
conversion at the option of the Corporation pursuant to paragraph (6) below,
such right to convert such shares shall terminate at 5:00 p.m., New York City
time, on the date fixed for redemption or such conversion, respectively (unless
the Corporation shall default in the payment due upon





                                      -8-

<PAGE>   9


redemption in which case such conversion rights shall not expire).  The result
obtained by dividing $50.00 by the Conversion Rate in effect from time to time
is herein referred to as the "Conversion Price."  Whenever the Conversion Price
is adjusted pursuant to the provisions of subparagraph (7)(c) below, the
Conversion Rate shall be redetermined by dividing $50.00 by the then adjusted
Conversion Price.  The Conversion Rate and the Conversion Price in effect from
time to time shall be calculated to four decimal places and rounded to the
nearer thousandths.

        (b)  In order to exercise the right to convert, the holder of any
shares of Series D Preferred Stock to be converted shall surrender the
certificate representing such shares of Series D Preferred Stock, accompanied
(if so required by the Corporation) by the proper instrument or instruments of
transfer, in form satisfactory to the Corporation, duly executed by the
registered holder thereof or by his attorney duly authorized in writing, to the
transfer agent of the Series D Preferred Stock and at such other office or
offices, if any, as the Board of Directors shall designate and shall give
written notice to the Corporation at such office that the holder elects to
convert such Series D Preferred Stock.  Such shares of Series D Preferred Stock
surrendered for conversion shall be deemed to have been converted immediately
prior to the close of business on the date of the giving of such notice and of
the surrender of such certificates for conversion in accordance with the
foregoing provisions, and at such time the rights of the holder of such Series
D Preferred Stock as such holder shall cease, and the holder thereof shall be
treated for all purposes as the record holder of Common Stock from and after
such time.  As promptly as practicable after receipt of such notice and the
surrender of such certificates as aforesaid, the Corporation shall issue and
deliver at such office a certificate or certificates for the number of full
shares of Common Stock issuable upon conversion.

        (6)  Conversion at Option of Corporation.  (a)  On and after January
__, 1997 and until January __, 2001, shares of Series D Preferred Stock
outstanding are convertible, at the option of the Corporation, in whole but not
in part, at any time, into fully paid and non-assessable shares of Common
Stock.  The Corporation may exercise this option only if for at least 20
trading days within any period of 30 consecutive trading days, including the
last trading day of such period, the Market Price (as defined) of the Common
Stock exceeds 130 percent of the Conversion Price (as defined above) on such
respective dates and only if all dividends on the Series D Preferred Stock for
all dividend periods ending on or prior to





                                      -9-

<PAGE>   10




the dividend payment date next preceding the Conversion Date (as defined
herein) have been paid or set aside for payment.

        (b)  In order to exercise its option to convert shares of the Series D
Preferred Stock, the Corporation must, not fewer than 15 nor more than 60 days
before the date of such conversion (the "Conversion Date"), issue a press
release announcing the conversion and specifying the Conversion Date, which
announcement shall be made prior to 9:00 A.M., New York City time, of the
second trading day after the end of such 30- day trading period.  The
Corporation shall also give notice of such conversion to the holders of record
of shares of Series D Preferred Stock to be converted at the holders' addresses
shown on the books of the Corporation.  Notice of such conversion must be given
by first class mail, postage pre-paid, not fewer than 15 or more than 60 days
before the Conversion Date and must state:  (i) the Conversion Date; (ii) the
Conversion Rate and the Conversion Price as of the date immediately preceding
the date of the notice; (iii) the place or places where certificates for the
shares of Series D Preferred Stock may be surrendered in exchange for
certificates for shares of the Common Stock; and (iv) that dividends on the
shares of the Series D Preferred Stock to be converted will cease to accrue on
the Conversion Date.  Notice is given when deposited in the United States mail,
by first class mail, postage prepaid, whether or not actually received.  The
Corporation's failure to mail such notice to a shareholder shall not affect the
validity or effectiveness of the conversion of the shares of Series D Preferred
Stock into shares of Common Stock.

        (c)  On the date fixed by the Corporation as of the Conversion Date,
the rights of the holders of the shares of Series D Preferred Stock as such
shall cease, the shares of Series D Preferred Stock to be converted shall no
longer be deemed outstanding, dividends thereon shall cease to accrue and
certificates for such shares shall represent (i) the shares of Common Stock
issuable on conversion of the Series D Preferred Stock evidenced thereby and
(ii) the right to receive the amounts payable under Section 7(b) in lieu of the
issuance of any fractional share.

        (d)  The number of shares of Common Stock issuable for each share of
Series D Preferred Stock so converted shall be equal to the product of the
number of shares of Series D Preferred Stock being converted and the Conversion
Rate in effect as of the Conversion Date.






                                      -10-

<PAGE>   11




        (7)  General Provisions Regarding Conversion.  The following provisions
shall be applicable to all conversions of Series D Preferred Stock pursuant to
paragraphs (5) and (6):

             (a)  If the Conversion Date falls after a dividend payment record 
date but before the related payment date, the record holder of the Series D 
Preferred Stock on that record date shall be entitled to receive the dividend 
payable on the Series D Preferred Stock notwithstanding the conversion thereof.
Except as provided in this subparagraph (a), no payment or allowance shall be 
made for accrued dividends on any shares of Series D Preferred Stock converted
or surrendered for conversion.

             (b)  No fractional share of Common Stock shall be issued upon
conversion of Series D Preferred Stock.  Instead of any fractional share of
Common Stock which would otherwise be issuable upon conversion of any Series D
Preferred Stock, the Corporation shall pay a cash adjustment equal to such
fraction multiplied by the Market Price per share of the Common Stock (as
defined below) on the trading day next preceding the date of conversion.  In
determining the number of shares of Common Stock and the payment, if any, in
lieu of fractional shares that a holder of Series D Preferred Stock shall
receive, the total number of shares of Series D Preferred Stock surrendered for
conversion by such holder shall be aggregated.

             (c)  The number and kind of securities issuable upon the   
conversion of the Series D Preferred Stock shall be subject to adjustment from
time to time upon the happening of certain events occurring on or after the
date of original issue of the shares of the Series D Preferred Stock as
follows:
        
                  (i)  In case of any reclassification or change of Common Stock
        issuable upon exercise of these conversion rights (other than a change
        in par value from par value to no par value, or from no par value to
        par value or as a result of a subdivision or combination), or in case
        of any consolidation or merger of the Corporation with or into another 
        corporation (other than a merger with another corporation in which the
        Corporation is the surviving Corporation and which does not result in
        any reclassification or change -- other than a change in par value, or
        from par value to no par value, or from no par value to par value, or 
        as a result of a subdivision or combination -- of Common Stock issuable 
        upon exercise of these conversion rights), or in the case of a sale or 
        conveyance in a





                                      -11-

<PAGE>   12




        single transaction or in a series of related transactions with the same 
        purchaser or affiliates thereof of all or substantially all the assets 
        of the Corporation as an entirety, or a statutory share exchange in 
        which all shares of Common Stock are exchanged for shares of another 
        corporation or entity, the holders of the Series D Preferred Stock shall
        have, and the Corporation, or such successor entity or purchaser, shall
        covenant in the constituent documents effecting any of the foregoing
        transactions that the holders of the Series D Preferred Stock do have, 
        the right to obtain upon the exercise of these conversion rights, in 
        lieu of each share of Common Stock theretofore issuable upon exercise of
        these conversion rights,  the kind and amount of shares of stock, other
        securities, money and property receivable upon such reclassification, 
        change, consolidation or merger, conveyance or sale of assets or share 
        exchange by a holder of one share of Common Stock issuable upon exercise
        of these conversion rights as if they had been exercised  immediately
        prior to such reclassification, change, consolidation or  merger,
        or share exchange.  The constituent documents effecting any 
        reclassification, change, consolidation or merger, conveyance or sale 
        of assets or share exchange shall provide for adjustments which shall 
        be as nearly equivalent as may be practicable to the adjustments 
        provided in this subparagraph (c).  The provisions of this 
        subparagraph (c)(i) shall similarly apply to successive 
        reclassifications, changes, consolidations or mergers, conveyances or 
        sales of assets or share exchanges.

                (ii)  If the Corporation at any time while any of the Series D  
        Preferred Stock is outstanding shall subdivide or combine its Common
        Stock, the Conversion Price shall be proportionately reduced, in case of
        subdivision of shares, as at the effective date of such subdivision, or
        if the Corporation shall take a record of holders of its Common Stock 
        for the purpose of so subdividing, as at such record date, whichever is
        earlier, or shall be proportionately increased, in the case of 
        combination of shares, as at the effective date of such combination or,
        if the Corporation shall take a record of holders of its Common Stock 
        for the purpose of so combining, as at such record date, whichever is
        earlier.

                (iii)  If the Corporation at any time while any of the Series D
        Preferred Stock is outstanding shall pay to any holders of stock of the
        Corporation a dividend payable in, or make any other distribution of, 
        Common Stock, the





                                      -12-

<PAGE>   13




        Conversion Price shall be adjusted, as of the date the Corporation
        shall take a record of the holders of such stock for the purpose of
        determining the holders entitled to receive such dividend or other
        distribution (or if no such record is taken, as at the date of such
        payment or other distribution), to that price determined by multiplying
        the Conversion Price in effect immediately prior to such record date (or
        if no such record is taken, then immediately prior to such payment or
        other distribution) by a fraction (1) the numerator of which shall be
        the total number of shares of Common Stock outstanding immediately 
        prior to such dividend or distribution, and (2) the denominator of which
        shall be the total number of shares of Common Stock outstanding
        immediately after such dividend or distribution (plus in the event that
        the Corporation paid cash for fractional shares, the number of
        additional shares which would have been outstanding had the Corporation
        issued fractional shares in connection with said dividend, except to the
        extent such payment of cash is treated as a dividend payable out of
        earnings or surplus legally available for the payment of dividends under
        the laws of the State of Louisiana);

                (iv)  If the Corporation shall issue to all holders of its
        Common Stock any warrant, option or other right to subscribe for or
        purchase shares of Common Stock at a price per share less than the
        Market Price of the Common Stock, the Conversion Price shall be
        adjusted, as of the date the Corporation shall take a record of the
        holders of its Common Stock for the purpose of receiving such issuance
        or distribution, to that price determined by multiplying the Conversion
        Price by a fraction, the numerator of which shall be the number of
        shares of Common Stock outstanding on the date of issuance of such
        warrants, options or rights plus the number of shares which the
        aggregate offering price of the total number of shares so offered would
        purchase at such Market Price per share, and the denominator of which
        shall be the number of shares of Common Stock outstanding on the date
        of issuance of such warrants, options or rights plus the number of
        additional shares of Common Stock offered for subscription or purchase.

                (v)  If the Corporation shall distribute to all holders of its
        Common Stock evidences of indebtedness of the Company, shares of
        capital stock of the Corporation (other than Common Stock) or assets or
        rights or warrants to subscribe for or purchase any of its securities
        (excluding those dividends, warrants, options and rights





                                      -13-

<PAGE>   14



        referred to in subparagraph (iv) above and dividends and other
        distributions paid in cash out of the profits or surplus of the
        Corporation legally available therefor under the laws of the State of
        Louisiana) then in each case the Conversion Price shall be adjusted, as
        of the date the Corporation shall take a record of the holders of its
        Common Stock for the purpose of determining the holders entitled to
        receive such issuance or distribution, to that price determined by
        multiplying the Conversion Price by a fraction the numerator of which
        shall be Market Price per share of the Common Stock less the fair
        market value (as determined by the Board of Directors of the
        Corporation, whose determination shall be conclusive) of the portion of
        the assets, evidences of indebtedness for subscription rights so
        distributed in respect of one share of Common Stock and the denominator
        of which is the Market Price per share of Common Stock on the record
        date for such distribution.

                (vi)  No adjustment of the Conversion Price shall be made in an
        amount less than $.05 per share, but any such lesser adjustment shall
        be carried forward and shall be made at the time together with the next
        subsequent adjustment which, together with any adjustments so carried
        forward, shall amount to $.05 per share or more.

                (vii)  The Market Price per share of Common Stock on any day
        means the closing price for such shares as reported in The Wall Street
        Journal's NYSE-Composite Transactions listing for such day (corrected
        for obvious typographical errors), or if such shares are not reported
        in such listing, then the closing price for such shares on the largest
        national securities exchange (based on the aggregate dollar value of 
        securities listed) on which such shares are listed or traded, or if 
        such shares are not listed or traded on any national securities 
        exchange, then the closing price for such shares in the 
        over-the-counter market, as reported on the National Association of 
        Securities Dealers Automated Quotations System, or, if such price 
        shall not be reported thereon, the average between the closing bid and 
        asked prices so reported, or, if such price shall not be reported, 
        then the average closing bid and asked prices reported by the National 
        Quotation Bureau Incorporated, or, in all other cases, the value 
        established by the Board of Directors of the Corporation in good faith.

            (d)  Whenever the Conversion Price and the Conversion Rate are
required to be adjusted as provided herein, the





                                      -14-

<PAGE>   15




Corporation shall forthwith compute the adjusted Conversion Price and the
adjusted Conversion Rate and shall prepare a certificate setting forth such
adjusted Conversion Price and adjusted Conversion Rate showing in detail the
facts upon which such adjustment is based.  A copy of such certificate shall
forthwith be filed with the transfer agent or agents for the Series D Preferred
Stock (if any) and for the Common Stock; and thereafter, until further
adjusted, the adjusted Conversion Price and the adjusted Conversion Rate shall
be as set forth in such certificate, provided that the computation of such
adjusted Conversion Price and such adjusted Conversion Rate shall be reviewed
at least annually by the independent public accountants regularly employed by
the Corporation and said accountants shall file a corrected certificate, if
required, with such transfer agent or agents.  The Corporation shall mail or
cause to be mailed to the holders of Series D Preferred Stock at the time of
each quarterly dividend payment, a statement setting forth the adjustments, if
any, made in the applicable Conversion Price and Conversion Rate and not
theretofore reported to such holders, and the reasons for such adjustment.

        (e)  The Corporation will at all times reserve and keep available, out
of its authorized and unissued Common Stock solely for the purpose of issuance
upon the conversion of the Series D Preferred Stock as herein provided, free
from preemptive and other subscription rights, such number of shares of Common
Stock as shall then be issuable upon the conversion of all outstanding Series D
Preferred Stock.  The Corporation shall ensure that all shares of Common Stock
which shall be so issuable shall upon issue be duly and validly issued and
fully paid and nonassessable.

        (f)  If any shares of Common Stock required to be reserved for the
purposes of conversion of Series D Preferred Stock hereunder require
registration with or approval of any governmental authority under any federal
or state law, or listing upon any national securities exchange, before such
shares may be issued upon conversion, the Corporation will in good faith and as
expeditiously as possible endeavor to cause such shares to be duly registered,
approved or listed, as the case may be.

        (g)  The issuance of certificates for shares of Common Stock upon the
conversion of Series D Preferred Stock shall be made without charge to the
holders thereof for any transfer or similar taxes that may be payable in
respect of the issue, delivery or acquisition of such certificates.  Such
certificates shall be issued in the respective names of the holders of the
Series D Preferred Stock converted.





                                      -15-

<PAGE>   16


        (8)  Sinking Fund.  The Series D Preferred Stock shall not be entitled
to any mandatory redemption or prepayment (except on liquidation, dissolution
or winding up of the affairs of the Corporation) or to the benefit of any
sinking fund.

        (9)  Definition.  If the day upon which any payment is to be made
or any other action is to be taken or any event is scheduled to occur pursuant
to the terms of Articles of Amendment is not a business day, the payment shall
be made or the other action shall be taken on the next succeeding business day. 
A "business day" is defined as a day in the City of Houston, County of Harris,
Texas, that is not a legal holiday or a day on which banking institutions are
authorized or obligated by law to close.

        2.  Existing Paragraph F of Article III is relettered as paragraph G.

        APPEARERS further stated that all of the shares of the Corporation have
par value; that the Corporation is authorized to issue 50,000,000 shares, of
which 40,000,000 are common shares of the par value of $1.25 per share and
10,000,000 are preferred shares of the par value of $0.05 per share; and that
the Board of Directors of the Corporation and the Special Committee thereof
each has the authority to amend the articles to fix the preferences,
limitations and relative rights of the preferred shares, and to establish, and
fix variations and relative rights and preferences as between series of
preferred shares, all as more fully set out in Article III of the Restated
Articles of Incorporation.

        AND SAID APPEARERS having requested me, Notary, to note said amendment
in authentic form, I do by these presents receive said amendments in the form
of this public act to the end that said amendment may be promulgated and
recorded and thus be read into the Restated Articles of Incorporation of
Southdown, Inc., as hereinabove set forth.

        THUS DONE AND PASSED, in my office at Houston, Harris County, State of
Texas, on the day, month and year first above written, in the presence of the
undersigned competent





                                      -16-

<PAGE>   17




witnesses, who hereunto sign their names with the said appearers and me,
Notary, after a due reading of the whole.

                                                SOUTHDOWN, INC.



                                                By: __________________________
                                                          Clarence C. Comer
                                                          President


                                                By: __________________________
                                                         Wendell E. Phillips, II
                                                         Secretary

WITNESSES:


_____________________________



_____________________________




                          ____________________________
                                 NOTARY PUBLIC







                                      -17-

<PAGE>   1



                           
                                                              Exhibit 5 (Common)

                 [Bracewell & Patterson, L.L.P. Letterhead]



                                January 20, 1994



Southdown, Inc.
1200 Smith Street
Suite 2400
Houston, Texas  77002


Gentlemen:

We have acted as counsel to Southdown, Inc., a Louisiana corporation (the
"Company"), in connection with the preparation of its Registration Statement on
Form S-3 (Registration No. 33-51131), as amended, filed by the Company under
the Securities Act of 1933, as amended (the "Registration Statement"), with
respect to the offering and sale by a selling shareholder named in the
Registration Statement (the "Selling Shareholder") of up to the number of
shares of the Company's common stock, par value $1.25 per share (including the
Rights attached thereto issued pursuant to the Rights Agreement dated as of
March 4, 1991 between the Company and First City, Texas - Houston, N.A., (the
"Common Stock") specified therein.

We have examined originals or copies of (i) the Registration Statement; (ii)
the Restated Articles of Incorporation of the Company, as amended; (iii) the
Bylaws of the Company, as amended; (iv) certain resolutions of the Board of
Directors of the Company, including resolutions of the Special Committee
thereof; and (v) such other documents and records as we have deemed necessary
and relevant for purposes hereof.  In addition, we have relied upon
certificates of officers of the Company and telegrams of public officials as to
certain matters of fact relating to this opinion and have made such
investigations of law as we have deemed necessary and relevant as a basis
hereof.


We have assumed the genuineness of all signatures, the authenticity of all
documents, certificates and records submitted to us as originals, the
conformity to original 
<PAGE>   2


Southdown, Inc.
January 20, 1994
Page 2


documents, certificates and records of all documents,
certificates and records submitted to us as copies, and the truthfulness of all
statements of fact contained therein.

Based upon the foregoing, and subject to the limitations and assumptions set
forth herein, and having due regard for such legal considerations as we deem
relevant, we are of the opinion that:

         1.      The Company is a corporation duly incorporated, validly
existing and in good standing under the laws of the State of Louisiana.

         2.      The shares of Common Stock to be sold by the Selling
Shareholder, are, validly issued, fully paid, and nonassessable.

The foregoing opinion is based on and is limited to the laws of the State of
Texas and the State of Louisiana and the relevant law of the United States of
America, and we render no opinion with respect to the law of any other
jurisdiction.  Insofar as the law of the State of Louisiana is applicable to
the matters discussed herein, we have relied upon the opinion of Messrs. Stone,
Pigman, Walther, Wittmann & Hutchinson, a copy of which is attached hereto and
our opinion is subject to the qualifications, limitations and assumptions set
forth therein.

We hereby consent to the filing of this opinion with the Securities and
Exchange Commission as Exhibit 5 to the Registration Statement and to all
references to our firm therein.  You are advised that Edgar J. Marston III, who
serves in an "of counsel" capacity to this firm, is an executive officer and a
member of the Board of Directors of the Company.


                                                  Very truly yours,
                                                  


                                                  Bracewell & Patterson, L.L.P.
<PAGE>   3


          [Stone, Pigman, Walther, Wittmann & Hutchinson Letterhead]


                                January 20, 1994

                                                                          47,919



Bracewell & Patterson
2900 South Tower, Pennzoil Place
Houston, Texas  77002-2781

         Re:     Southdown, Inc.
                 Registration Statement No. 33-51131
                 Offer and Sale of Common Stock by Selling Shareholder

Ladies and Gentlemen:

         We have acted as special Louisiana counsel to Southdown, Inc., a
Louisiana corporation (the "Company"), in connection with the preparation of
its Registration Statement on Form S-3 (Registration No. 33-51131), as amended,
filed by the Company under the Securities Act of 1933, as amended (the
"Registration Statement"), with respect to the offering and sale of a number of
shares of the Company's common stock, par value $1.25 per share (including the
Rights attached thereto issued pursuant to the Rights Agreement dated as of
March 4, 1991 between the Company and First City, Texas - Houston, N.A.), (the
"Common Stock") by a selling shareholder as named therein (the "Selling
Shareholder").

         With your concurrence, in connection with your request, we have
limited our review of documents to an examination of copies of (i) the
Registration Statement; (ii) the Restated Articles of Incorporation of the
Company, as amended; (iii) the Bylaws of the Company, as amended; (iv) certain
resolutions of the Board of Directors of the Company, including resolutions of
the
<PAGE>   4
    2
    January 20, 1994





Special Committee thereof; and (v) certificates of officers of the Company and
certificates or letters of public officials as to certain matters of fact
relating to this opinion.

         In addition, for purposes of the opinions expressed in this letter, we
have assumed:  (a) the genuineness of all signatures; (b) the authenticity of
all records, instruments and documents submitted to us as originals and the
conformity to originals of all records, instruments and documents submitted to
us as copies; (c) the truthfulness of all statements of fact and
representations and warranties contained in the records, agreements,
instruments and documents submitted to us; (d) that all records, instruments
and documents referred to in this letter comply with all applicable laws other
than the laws of the State of Louisiana and; (e) with respect to the shares of
Common Stock to be sold by the Selling Shareholder, (i) that the consideration
fixed for the issuance of any of such shares was paid before issuance thereof,
(ii) that any of such shares previously issued upon the conversion of
convertible securities or the exercise of options of the Company were issued
upon the conversion or exercised in accordance with the terms and provisions of
those securities or option plans and option agreements, as the case may be,
(iii) the proper grant of any options in accordance with the terms of each
option plan pursuant to which any such shares were issued, (iv) that the
purchase price for any such shares issued upon the exercise of options was not
less than the par value of the shares for which the options were exercised, and
(v) with respect to the distribution of the Rights as a dividend, the
availability of sufficient surplus from which dividends may legally be declared
and legally paid under the Louisiana Business Corporation Law.  In addition, in
rendering the opinions expressed in this letter, we have assumed the accuracy
and completeness of, and have relied upon, certificates and facsimile
transmissions by public officials and officers of the Company.

         With your concurrence, the opinions rendered in this letter are based
upon the assumptions and are subject to the qualifications and limitations set
forth herein.  Based upon and in reliance on the foregoing, we are of the
opinion that:

         1.      The Company is a corporation duly incorporated, validly
existing and in good standing under the laws of the State of Louisiana.

         2.      The shares of Common Stock to be sold by the Selling
Shareholder are validly issued, fully paid, and nonassessable.

         The opinions expressed in this letter are limited to the matters
stated herein, and no opinion may be inferred beyond the matters expressly
stated, are given only as of this date, and are based on the law in effect as
of this date.  We have no obligation, and will not undertake, to report to you
or any third parties changes in facts or laws, statutes or jurisprudence.
<PAGE>   5
    3
    January 20, 1994





         This letter is furnished at your request and may be relied upon only
by Bracewell & Patterson for purposes of the opinion to be delivered by you in
connection with the Registration Statement.  We hereby consent to filing this
opinion with the Securities and Exchange Commission as Exhibit 5 to the
Registration Statement and the use of our name thereon.  It may not be used,
circulated or quoted, in whole or part, or relied upon for any other purpose or
by any other person without our prior written consent.

         We are members of the Louisiana Bar, and the opinions in this letter
are based on and limited to the laws of the State of Louisiana.  The opinions
contained in this letter are limited in that we express no opinion with respect
to federal laws, state blue sky or other securities laws, tax or environmental
laws or matters, the laws of any municipality, parish or other political
subdivision of the State of Louisiana or any agency thereof, or the laws of any
jurisdiction other than Louisiana.

         This letter expresses our professional legal opinion as to the matters
addressed in this letter and is based upon our professional knowledge and
judgment; it is not, however, to be construed as a guaranty.

                                                   Very truly yours,



                                                   Stone, Pigman, Walther,
                                                     Wittmann & Hutchinson

<PAGE>   1




                                                                      EXHIBIT 15



January 19, 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. 2 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. 2 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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