SOUTHDOWN INC
10-Q, 1998-08-14
CEMENT, HYDRAULIC
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<PAGE>   1
================================================================================


                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549


                                    FORM 10-Q

              [ ] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D)
                     OF THE SECURITIES EXCHANGE ACT OF 1934

                  FOR THE QUARTERLY PERIOD ENDED JUNE 30, 1998

                                       OR

              [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D)
                     OF THE SECURITIES EXCHANGE ACT OF 1934

 FOR THE TRANSITION PERIOD FROM ______________________ TO ______________________


                          COMMISSION FILE NUMBER 1-6117


                                 SOUTHDOWN, INC.
             (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)



              LOUISIANA                                         72-0296500  
   (STATE OR OTHER JURISDICTION OF                           (I.R.S. EMPLOYER 
    INCORPORATION OR ORGANIZATION)                           IDENTIFICATION NO.)


            1200 SMITH STREET
               SUITE 2400
             HOUSTON, TEXAS                                         77002
(ADDRESS OF PRINCIPAL EXECUTIVE OFFICES)                         (ZIP CODE)


       REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE: (713) 650-6200


         Indicate by check mark whether the registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter periods that the
registrant was required to file such reports), and (2) has been subject to such
filing requirements for the past 90 days. Yes   X     No
                                              -----      -----

         At July 31, 1998 there were 38.3 million common shares outstanding.



================================================================================
<PAGE>   2

                    SOUTHDOWN, INC. AND SUBSIDIARY COMPANIES

                                      INDEX


<TABLE>
<CAPTION>
                                                                                     PAGE
                                                                                      NO.
                                                                                      ---
<S>                                                                                  <C>
PART I.     FINANCIAL INFORMATION

Item 1.     Financial Statements (unaudited)

            Consolidated Balance Sheet
              June 30, 1998 and December 31, 1997                                      1

            Statement of Consolidated Earnings
              Three and Six Months ended June 30, 1998 and 1997                        2

            Statement of Consolidated Cash Flows
              Six Months ended June 30, 1998 and 1997                                  3

            Statement of Consolidated Revenues and Operating Earnings
              by Business Segment
              Three and Six Months ended June 30, 1998 and 1997                        4

            Statement of Consolidated Shareholders' Equity
              Six Months ended June 30, 1998                                           5

           Statement of Consolidated Comprehensive Income
              Three and Six Months ended June 30, 1998 and 1997                        5

            Notes to Consolidated Financial Statements                                 6

            Independent Accountants' Review Report                                    12

Item 2.     Management's Discussion and Analysis of Financial Condition
              and Results of Operations                                               13


PART II.    OTHER INFORMATION

Item 1.     Legal Proceedings                                                         22

Item 6.     Exhibits and Reports on Form 8-K                                          23
</TABLE>

<PAGE>   3

                          PART I. FINANCIAL INFORMATION

ITEM 1.     FINANCIAL STATEMENTS

                    SOUTHDOWN, INC. AND SUBSIDIARY COMPANIES

                           CONSOLIDATED BALANCE SHEET

                                   (UNAUDITED)


<TABLE>
<CAPTION>
                                                                                        (IN MILLIONS)
                                                                            -------------------------------------
                                                                               JUNE 30,             DECEMBER 31,
                                                                                 1998                   1997
                                                                            -------------           -------------
<S>                                                                          <C>                   <C> 
ASSETS

Current assets:
    Cash and cash equivalents                                              $         71.1           $        98.9
    Short-term investments                                                             --                     4.0
    Accounts and notes receivable, less allowance for doubtful
         accounts of $6.2 and $5.0                                                  150.0                   108.5
    Inventories (Note 5)                                                            107.1                    97.2
    Prepaid expenses and other                                                       14.0                    17.6
                                                                            -------------           -------------
                                                                                    342.2
         Total current assets                                                                               326.2
Property, plant and equipment, less accumulated depreciation,
    depletion and amortization of $656.2 and $630.9                                 799.2                   770.2
Goodwill                                                                            104.5                   116.1
Other long-term assets                                                               67.8                    63.7
                                                                            -------------           -------------
                                                                            $     1,313.7           $     1,276.2
                                                                            =============           =============

LIABILITIES AND SHAREHOLDERS' EQUITY
Current liabilities:
    Current maturities of long-term debt                                    $         0.8           $        13.6
    Accounts payable and accrued liabilities                                        195.7                   120.5
                                                                            -------------           -------------
         Total current liabilities                                                  196.5                   134.1
Long-term debt                                                                      167.4                   187.0
Deferred income taxes                                                               132.1                   127.6
Minority interest in consolidated joint venture                                      29.2                    27.7
Long-term portion of postretirement benefit obligation                               94.4                    96.1
Other long-term liabilities and deferred credits                                     27.9                    28.8    
                                                                            -------------           -------------
                                                                                    647.5                   601.3
                                                                            -------------           -------------

Shareholders' equity:
    Common stock, $1.25 par value (Note 7)                                           49.4                    51.4
    Capital in excess of par value                                                  353.9                   352.0
    Reinvested earnings                                                             310.5                   386.1
    Unearned restricted common shares                                                 -                      (8.8)
    Currency translation adjustment                                                  (1.3)                   (1.2)
    Treasury stock, at cost                                                         (46.3)                 (104.6)
                                                                            -------------           -------------
                                                                                    666.2                   674.9
                                                                            -------------           -------------
                                                                            $     1,313.7           $     1,276.2
                                                                            =============           =============
</TABLE>

                                      -1-
<PAGE>   4


                    SOUTHDOWN, INC. AND SUBSIDIARY COMPANIES

                       STATEMENT OF CONSOLIDATED EARNINGS

                                   (UNAUDITED)

<TABLE>
<CAPTION>
                                                                     (IN MILLIONS, EXCEPT PER SHARE DATA)
                                                            --------------------------------------------------------
                                                                THREE MONTHS ENDED             SIX MONTHS ENDED
                                                                     JUNE 30,                      JUNE 30,
                                                            --------------------------   ---------------------------
                                                                1998           1997            1998           1997
                                                            ----------      ----------     ----------     ----------
<S>                                                         <C>             <C>            <C>            <C>       
Revenues                                                    $    317.7      $    290.4     $    542.6     $    498.6
                                                            ----------      ----------     ----------     ----------
Costs and expenses:
  Operating                                                      192.3           178.8          348.5          331.8
  Depreciation, depletion and amortization                        19.3            15.5           36.5           30.9
  Selling and marketing                                            7.4             6.0           14.3           12.0
  General and administrative                                      18.4            19.0           36.0           32.5
  Acquisition charge (Note 2)                                     82.9             -             82.9            -
  Other income, net                                               (3.3)           (1.8)          (5.5)          (3.7)
                                                            ----------      ----------     ----------     ----------
                                                                 317.0           217.5          512.7          403.5
                                                            ----------      ----------     ----------     ----------
Earnings before interest, income taxes
   and minority interest                                           0.7            72.9           29.9           95.1
Interest, net of amounts capitalized                              (4.8)           (3.2)          (9.2)          (6.5)
                                                            ----------      ----------     ----------     ----------
Earnings (loss) before income taxes and minority interest         (4.1)           69.7           20.7           88.6
Income tax expense                                               (17.7)          (24.0)         (26.5)         (30.5)
                                                            ----------      ----------     ----------     ----------
Earnings (loss) before minority interest                         (21.8)           45.7           (5.8)          58.1
Minority interest, net of income taxes                            (1.3)           (1.3)          (1.6)          (1.6)
                                                            ----------      ----------     ----------     ----------
Net earnings (loss)                                         $    (23.1)     $     44.4     $     (7.4)    $     56.5
                                                            ==========      ==========     ==========     ==========   
Dividends on preferred stock (Note 7)                       $      -        $      1.3     $      -       $      2.5
                                                            ==========      ==========     ==========     ==========   
                                                            $    (23.1)     $     43.1     $     (7.4)    $     54.0
Earnings (loss) attributable to common stock
                                                            ==========      ==========     ==========     ==========   
Earnings (loss) per common share:

  Basic                                                     $    (0.60)     $     1.20     $    (0.19)    $     1.50
                                                            ==========      ==========     ==========     ==========   
  Diluted                                                   $    (0.60)     $     1.14     $    (0.19)    $     1.44
                                                            ==========      ==========     ==========     ==========   
Average shares outstanding:

  Basic                                                           38.1            36.0           38.0           36.1
                                                            ==========      ==========     ==========     ==========   
  Diluted                                                         38.1            39.1           38.0           39.2
                                                            ==========      ==========     ==========     ==========   
</TABLE>


                                      -2-

<PAGE>   5
                    SOUTHDOWN, INC. AND SUBSIDIARY COMPANIES

                      STATEMENT OF CONSOLIDATED CASH FLOWS

                                   (UNAUDITED)


<TABLE>
<CAPTION>
                                                                                        (IN MILLIONS)
                                                                            --------------------------------------
                                                                                       SIX MONTHS ENDED
                                                                                           JUNE 30,
                                                                            --------------------------------------
                                                                                 1998                    1997
                                                                            -------------            -------------

<S>                                                                         <C>                      <C>  
Operating activities:
    Net earnings (loss)                                                     $        (7.4)           $        56.5
    Adjustments to reconcile net earnings (loss) to cash                            
       provided by (used in) operating activities:
         Depreciation, depletion and amortization                                    36.5                     30.9
         Deferred income tax expense                                                  4.5                      5.5
         Amortization of debt issuance costs                                          0.4                      0.4
         Other non-cash charges                                                       8.9                      1.8
                                                                                     
         Changes in operating assets and liabilities                                 22.1                    (34.1)
                                                                                      
         Other adjustments                                                            1.8                      2.1
    Net cash used in discontinued operations                                         (0.4)                    (0.6)
                                                                            -------------            -------------
Net cash provided by operating activities                                            66.4                     62.5
                                                                            -------------            -------------
Investing activities:
                                                                                    
    Additions to property, plant and equipment                                      (50.1)                   (51.3)
    Acquisitions, net of cash acquired                                               (6.9)                   (12.8)
    Purchase of short-term investments                                               (3.9)                    (1.1)
    Maturity of short-term investments                                                7.9                     11.8 
    Proceeds from asset sales                                                         2.9                      1.8 
    Other investing activities                                                       (0.2)                    (0.1)
                                                                            -------------            -------------
Net cash used in investing activities                                               (50.3)                   (51.7)
                                                                            -------------            -------------
Financing activities:
    Additions to short-term borrowings                                                -                       18.5
    Additions to long-term debt                                                      30.9                      -   
    Reductions in long-term debt                                                    (63.4)                    (6.9)  
    Purchase of treasury stock                                                       (0.9)                   (28.3)  
    Dividends                                                                        (9.8)                   (11.9)  
    Distributions to minority interest                                               (1.0)                    (2.0)  
    Other financing activities                                                        0.3                     (2.1) 
                                                                            -------------            -------------
Net cash used in financing activities                                               (43.9)                   (32.7)
                                                                            -------------            -------------
Net decrease in cash and cash equivalents                                           (27.8)                   (21.9)
                                                                                     
Cash and cash equivalents at beginning of period                                     98.9                     70.4
                                                                            -------------            -------------
Cash and cash equivalents at end of period                                  $        71.1            $        48.5 
                                                                            =============            =============

</TABLE>

    Cash payments for income taxes totaled $18.5 million and $19.1 million in
the first half of 1998 and 1997, respectively. Interest paid, net of amounts
capitalized, was $9.5 million and $6.4 million in the six month year-to-date
1998 and 1997 periods, respectively.

                                      -3-
<PAGE>   6

                    SOUTHDOWN, INC. AND SUBSIDIARY COMPANIES

            STATEMENT OF CONSOLIDATED REVENUES AND OPERATING EARNINGS
                               BY BUSINESS SEGMENT

                                   (UNAUDITED)

<TABLE>
<CAPTION>
                                                                                (IN MILLIONS)
                                                            ---------------------------------------------------------
                                                                THREE MONTHS ENDED               SIX MONTHS ENDED
                                                                     JUNE 30,                        JUNE 30,
                                                            -------------------------       -------------------------
                                                               1998           1997             1998           1997
                                                            ----------     ----------       ----------     ----------
<S>                                                         <C>            <C>               <C>            <C>
Contributions to revenues:
    Cement                                                  
         Sales to customers                                 $    220.9     $    202.7       $    367.5     $    339.1 
         Freight to customers and other                           10.6           11.3             19.4           19.9 
                                                            ----------     ----------       ----------     ----------
             Total cement revenues                               231.5          214.0            386.9          359.0
    Concrete products                                             61.9           60.3            117.1          118.2
    Aggregates                                                    41.8           32.5             70.0           52.9
    Intersegment sales                                           (17.5)         (16.4)           (31.4)         (31.5)
                                                            ----------     ----------       ----------     ----------
                                                            $    317.7     $    290.4       $    542.6     $    498.6
                                                            ==========     ==========       ==========     ==========
Contributions to earnings before interest, income
    taxes and minority interest:
      Operating profit
         Cement (1)                                         $     83.4     $     78.1       $    119.2     $    105.9
         Concrete products                                         5.1            1.8              7.4            3.5
         Aggregates                                                7.5            7.1              9.6            8.9
                                                            ----------     ----------       ----------     ----------
                                                                  96.0           87.0            136.2          118.3
      Corporate overhead                                         (12.4)         (14.1)           (23.4)         (23.2)
      Acquisition charge (Note 2)                                (82.9)           -              (82.9)           -
                                                            ----------     ----------       ----------     ----------
                                                                   0.7           72.9             29.9           95.1
                                                            ==========     ==========       ==========     ==========
</TABLE>

(1) Minority interest in earnings of consolidated joint venture is presented as
a separate line item, net of tax, rather than being deducted as a component of
the cement segment. There have been no material changes in total assets by
segment as disclosed in the December 31, 1997 financial statements. Identifiable
segment assets as of June 30, 1998 are as follows:

<TABLE>
<CAPTION>
                                                               (IN MILLIONS)
                                                               -------------
                                                               JUNE 30, 1998
                                                               -------------
<S>                                                          <C> 

         Identifiable assets
              Cement                                            $   862.3
              Concrete Products                                     139.3
              Aggregates                                            126.4
              Other                                                 185.7
                                                                ---------
                                                                $ 1,313.7
                                                                =========
</TABLE>


                                      -4-
<PAGE>   7
                    SOUTHDOWN, INC. AND SUBSIDIARY COMPANIES

                 STATEMENT OF CONSOLIDATED SHAREHOLDERS' EQUITY

                                   (UNAUDITED)


<TABLE>
<CAPTION>
                                                                         (IN MILLIONS)
                                         --------------------------------------------------------------------------------------
                                                                                                      CUMULATIVE
                                          COMMON STOCK         CAPITAL                    UNEARNED      FOREIGN
                                         ----------------   IN EXCESS OF    REINVESTED    RESTRICTED    CURRENCY      TREASURY
                                         SHARES    AMOUNT    PAR VALUE       EARNINGS    COMMON STOCK  TRANSLATION     STOCK
                                         ------    ------   ------------    ----------   ------------  -----------    --------
<S>                                        <C>     <C>       <C>          <C>             <C>           <C>            <C> 
Balance at December 31, 1997
   as previously reported                 24.7    $  30.9      $ 300.4       $ 199.2      $  -          $  -           $ (46.3)
Adjustment for pooling of interests       16.4       20.5         51.6         186.9        (8.8)         (1.2)          (58.3)
                                         -----    -------      -------       -------      ------        ------         -------
Balance at December 31, 1997              41.1       51.4        352.0         386.1        (8.8)         (1.2)         (104.6)
Net loss                                   -          -            -            (7.4)        -             -               -
Foreign currency translation adjustment    -          -            -             -           -            (0.1)            -  
Dividends paid on common stock             -          -            -            (9.8)        -             -               -
Purchase of treasury stock                 -          -            -             -           -             -              (0.9)
Retirement of Medusa treasury stock
   at combination date                    (1.7)      (2.2)         -           (57.0)        -             -              59.2
Lapse of restrictions on restricted
   common stock                            -          -            -             -           8.8           -               -  
Exercise of stock options                  0.1        0.2          1.9          (1.4)        -             -               -  
                                         -----    -------      -------       -------      ------        ------         -------
Balance at June 30, 1998                  39.5    $  49.4      $ 353.9       $ 310.5      $  -          $ (1.3)        $ (46.3)
                                         =====    =======      =======       =======      ======        ======         =======
</TABLE>



                    SOUTHDOWN, INC. AND SUBSIDIARY COMPANIES

                 STATEMENT OF CONSOLIDATED COMPREHENSIVE INCOME

                                   (UNAUDITED)

<TABLE>
<CAPTION>
                                                            (IN MILLIONS)
                                    -----------------------------------------------------------
                                        THREE MONTHS ENDED                 SIX MONTHS ENDED
                                             JUNE 30,                           JUNE 30,
                                    --------------------------         ------------------------
                                      1998              1997             1998             1997
                                    --------         ---------         ---------        ---------

<S>                                 <C>              <C>                   <C>          <C>      
Net income (loss)                   $  (23.1)        $    44.4             $(7.4)       $    56.5
Foreign currency translation
   adjustments, net of tax              (0.1)              -                (0.1)             -
                                    ---------        ---------         ---------        ---------
Comprehensive income (loss)         $  (23.2)        $    44.4             $(7.5)       $    56.5
                                    ========         =========         =========        =========
</TABLE>



                                      -5-
<PAGE>   8

                    SOUTHDOWN, INC. AND SUBSIDIARY COMPANIES

                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

                                   (UNAUDITED)

NOTE 1 - BASIS OF PRESENTATION:

         The Consolidated Balance Sheet of Southdown, Inc. and subsidiary
companies (the "Company") at June 30, 1998 and the Statements of Consolidated
Earnings, Consolidated Cash Flows, Consolidated Revenues and Operating Earnings
by Business Segment, Consolidated Comprehensive Income and Shareholders' Equity
for the periods indicated herein have been prepared by the Company without
audit. On June 30, 1998, the Company's merger transaction with Medusa
Corporation ("Medusa"), hereinafter included in references to the Company, was
concluded with Medusa becoming a wholly-owned subsidiary of the Company. In
accordance with the pooling of interests method of accounting permitted by
Accounting Principles Board Opinion No. 16 "Business Combinations" ("APB No.
16"), all prior period consolidated financial statements presented have been
restated to provide the combined results of operations, financial position and
cash flows of the Company and Medusa. In addition, the combined financial
results presented include adjustments made to conform the accounting policies of
Medusa to those of the Company.

         For interim reporting purposes, Medusa periodically valued inventory on
the basis of predetermined standard cost estimates established by management. At
year end, any difference between the inventory valued at standard cost and
actual cost was charged or credited to cost of goods sold. In addition,
scheduled shutdown and certain other major repair costs that benefited two or
more interim quarters were recorded by Medusa as prepaid assets and amortized
over the remainder of the year. The consolidated balance sheet as of June 30,
1998 and consolidated statement of earnings for the three and six months ended
June 30, 1998 and June 30, 1997, respectively, have been adjusted to conform
Medusa's historical financial statements to the Company's method of reporting
quarterly results based on actual costs rather than a standard cost, to adjust
end of the period inventory to actual cost and to charge all maintenance to
production cost as incurred. At year end, Medusa reported inventories at actual
cost and all prepaid maintenance costs were completely amortized at the end of
each year. Accordingly, the use of different interim cost accounting methods has
no effect on the reported results and the statement of earnings for the year
ended December 31, 1997.

         The volumetric increment of Medusa's inventory at June 30, 1998 and
1997 over the beginning inventory was revalued from a standard cost basis to
actual cost in order to properly reflect the end of the period inventory on the
same basis as that of the Company. Because a large percentage of Medusa's
planned annual maintenance shutdowns typically occur in the first half of the
year, Medusa's standard cost was generally significantly lower than actual cost
in the first half of the year. Accordingly, the adjustment from standard cost to
actual cost resulted in an increase in end of period inventory and an additional
charge to cost of goods sold as well as elimination of all deferred shutdown and
maintenance costs.


                                      -6-
<PAGE>   9


         The results of operations for the separate companies and the combined
amounts included in the consolidated financial statements are presented below:

<TABLE>
<CAPTION>
                                                            (IN MILLIONS)
                                    -----------------------------------------------------------
                                        THREE MONTHS ENDED                 SIX MONTHS ENDED
                                             JUNE 30,                           JUNE 30,
                                    --------------------------         ------------------------
                                      1998              1997             1998            1997
                                    --------         ---------         ---------        -------
<S>                                 <C>               <C>              <C>             <C> 
         Revenues
              Southdown             $  202.1          $  187.2         $  357.9        $ 338.6
              Medusa                   115.6             103.2            184.7          160.0
                                    --------          --------         --------        -------
                  Combined          $  317.7          $  290.4         $  542.6        $ 498.6
                                    ========          ========         ========        =======
         Net earnings (loss)
              Southdown             $   22.7          $   25.2         $   39.2        $  38.8
              Medusa                   (45.8)             19.2            (46.6)          17.7
                                    --------          --------         --------        -------
                  Combined          $  (23.1)         $   44.4         $   (7.4)       $  56.5
                                    ========          ========         ========        =======
</TABLE>

         The Consolidated Balance Sheet at December 31, 1997 is derived from the
December 31, 1997 audited financial statements of the Company and Medusa, but
does not include all disclosures required by generally accepted accounting
principles. The unaudited financial statements should be read in conjunction
with the historical consolidated financial statements and the notes thereto of
the Company and Medusa, respectively, included in their 1997 Annual Reports on
Form 10-K.

         In the opinion of management, the financial 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 June 30, 1998 are not necessarily indicative of results to be
expected for the full year. Certain data from the prior year have been
reclassified for purposes of comparison.

NOTE 2 - MEDUSA MERGER:

         On June 30, 1998, Medusa merged with a wholly-owned subsidiary of the
Company and each outstanding Medusa common share was converted into the right to
receive .88 shares of Company common stock. Approximately 14.7 million shares of
the Company's common stock were issued for all of the outstanding common stock
of Medusa and, as a result of the merger, Medusa became a wholly-owned
subsidiary of the Company. In addition, outstanding Medusa employee stock
options were converted at the same exchange ratio into options to purchase
approximately 522,000 shares of Company common stock. The merger constituted a
tax-free reorganization and has been accounted for as a pooling of interests
under APB No. 16.

         In conjunction with the merger, the Company recorded second quarter
charges to operating expenses totaling $82.9 million ($73.9 million after taxes,
or $1.90 per common share) for direct and other merger related transaction costs
including investment bankers, attorneys, accountants, financial printing,
severance related costs, anticipated closure of duplicate facilities and
incompatible business activities. At June 30, 1998, $70.4 million related to
these charges were classified as current liabilities. Details of the merger
related costs are as follows:


                                      -7-
<PAGE>   10


<TABLE>
<CAPTION>



                                                                          (IN MILLIONS)
                                                     --------------------------------------------------
                                                       ACCRUED                                CURRENT
                                                       MERGER              AMOUNTS            BALANCE
                                                        COSTS               PAID             AT 6/30/98
                                                     -----------         -----------         ----------
<S>                                                  <C>                 <C>                 <C>  
         Merger transaction costs and
              professional fees                      $      18.4         $       4.0         $    14.4
         Severance costs                                    54.3                 8.5              45.8
         Closure costs                                      10.2                 -                10.2
                                                     -----------         -----------         ---------
                  Total                              $      82.9         $      12.5         $    70.4
                                                     ===========         ===========         =========
</TABLE>

         In addition, the Company recorded charges to standardize the accounting
practices of Medusa to those of the Company. A reconciliation of previously
reported Medusa net income for the three and six months ended June 30, 1997 to
adjusted amounts, related primarily to Medusa's use of standard cost as
discussed in Note 1 of Notes to Consolidated Financial Statements, is as
follows:

<TABLE>
<CAPTION>
                                                               (IN MILLIONS)
                                               -------------------------------------------
                                               THREE MONTHS ENDED         SIX MONTHS ENDED
                                                 JUNE 30, 1997              JUNE 30, 1997
                                               ------------------         ----------------
<S>                                                <C>                       <C> 
     Net earnings
         Medusa under standard cost                $    18.3                 $    20.1
         Conforming accounting adjustment                0.9                      (2.4)
                                                   ---------                 --------- 
         Medusa as adjusted                        $    19.2                 $    17.7
                                                   =========                 =========
</TABLE>

         Because the use of the standard cost method of valuing inventory
impacts only interim reporting periods, there are no differences in previously
reported Medusa assets and net earnings for the full year ended December 31,
1997.

NOTE 3 - NEW ACCOUNTING STANDARDS:

         Effective January 1, 1998, the Company adopted two new Statement of
Financial Accounting Standards: Statement No. 130, "Reporting Comprehensive
Income" ("SFAS No. 130") and Statement No. 131, "Disclosures About Segments of
an Enterprise and Related Information" ("SFAS No. 131"). SFAS No. 130
establishes standards for reporting and displaying comprehensive income and its
components. The Company has elected to report the components of comprehensive
income in a separate Statement of Consolidated Comprehensive Income. SFAS No.
131 establishes standards for the way that public business enterprises report
information about operating segments in interim and annual financial statements.
The Company's reporting of information about its operating segments was in
conformity with SFAS No. 131 prior to the adoption of this new standard. Medusa,
which adopted SFAS No. 131 in 1997, had two reportable segments, cement and
aggregates. In conjunction with the merger, the Company's aggregates operations
(previously included in the concrete products segment) are now included in the
aggregates segment. The adoption of these two new standards has had no material
effect on the Company's consolidated results of operations, financial position,
cash flows or financial statement disclosures.

         In February 1998, the Financial Accounting Standard Board ("FASB")
issued Statement No. 132, "Employers' Disclosures about Pensions and Other
Postretirement Benefits" ("SFAS No. 132"). SFAS No. 132, which revises
employers' disclosures about pension and other postretirement benefits, but does
not change the measurement or recognition of those plans, became effective for
periods ending after December 15, 1997. This statement will have no effect on
the Company's 1998 results of operations, but management is currently evaluating
what, if any, additional disclosures may be required in the Company's Annual
Report on Form 10-K for the year ended December 31, 1998.


                                      -8-
<PAGE>   11

         In June 1998, the FASB issued Statement No. 133, "Accounting for
Derivative Instruments and Hedging Activities" ("SFAS No. 133"). SFAS No. 133,
which requires that an entity recognize all derivatives as either assets or
liabilities in the statement of financial position and measure those instruments
at fair value, is effective for years beginning after June 15, 1999. If certain
conditions are met, a derivative may be specifically designated as a hedging
instrument. The accounting for changes in the fair value of a hedging instrument
(that is gains and losses) depends on the intended use of the derivative and the
resulting designation of that derivative. For a derivative not designated as a
hedging instrument, the gain or loss resulting from a change in the fair value
of the derivative is recognized in earnings in the period of change. The Company
has held no derivative financial instruments during 1997 or 1998.

NOTE 4 - EARNINGS PER SHARE:

         In February 1997, the FASB issued Statement No. 128, "Earnings Per
Share" ("SFAS No. 128"). SFAS 128, which simplifies the standards for computing
and presenting earnings per share, became effective for periods ending after
December 15, 1997. Accordingly, earnings per share as previously reported have
been restated to conform to the new standard. Earnings used to compute basic per
share earnings in the six months ended June 30, 1997 were net of preferred stock
dividends of approximately $2.5 million. There is no preferred stock outstanding
in 1998. Basic earnings per share were computed using the average number of
common shares outstanding in each of the six-month periods ending June 30, 1998
and 1997. Diluted earnings for 1998 and 1997 assume the dilutive impact of stock
options and, for 1997, the conversion of all outstanding shares of preferred
stock into common stock.

NOTE 5 - INVENTORIES:


<TABLE>
<CAPTION>
                                        (UNAUDITED, IN MILLIONS)
                                    --------------------------------
                                     JUNE 30,           DECEMBER 31,
                                       1998                 1997
                                    ----------          ------------
<S>                                 <C>                 <C>         
                                    
          Finished goods            $     34.3          $       33.6
          Work in progress                19.8                  10.8
          Raw materials                    7.6                   8.4
          Supplies                        45.4                  44.4
                                    ----------          ------------   
                                    $    107.1          $       97.2
                                    ==========          ============
</TABLE>
    


         Inventories stated on the LIFO method were $53.8 million of total
inventories at June 30, 1998 and $44.8 million of total inventories at December
31, 1997 compared with current costs of $72.7 million and $63.7 million,
respectively.

NOTE 6 - LONG-TERM DEBT:

         On May 14, 1998, the Company amended its revolving credit facility to
permit the (i) merger between a wholly-owned subsidiary of the Company and
Medusa; (ii) assumption of the existing indebtedness of Medusa of up to $100
million; and (iii) guarantee of a $15 million lease obligation associated with
the merger. In addition, the Company also obtained from its bank group a release
of the bank group's liens on the collateral security, including the security
interest in five of the Company's cement plants and the Company's interest in
the Kosmos joint venture. In June 1998, borrowing capacity under Medusa's
unsecured, five-year revolving credit facility was reduced from $180 million to
the $40 million then outstanding. The $40 million was paid off by the Company on
June 30, 1998. There were no 

   
                                   -9-

<PAGE>   12

amounts outstanding on Medusa's unsecured $25 million bank lines of credit at 
June 30, 1998. Both Medusa credit facilities were cancelled as of June 30, 1998.

         The Company has a $200 million revolving credit facility which matures
in June 2002 and permits the issuance of up to $95 million in standby letters of
credit in lieu of borrowings. As of June 30, 1998, there were no borrowings
outstanding and $67.2 million in letters of credit outstanding under this
facility, leaving $132.8 million available. The revolving credit facility places
limitations on the Company's incurrence of additional indebtedness, but permits
the Company to borrow up to $75 million and certain other amounts from other
lenders. Under the terms of the Company's 10% Senior Subordinated Notes
Indenture (the "Indenture"), the Company may incur up to $255 million of
indebtedness under bank credit facilities, plus $50 million of additional debt
and certain other additional amounts. Under the Indenture, the Company may also
incur indebtedness in addition to those amounts to the extent that its pro forma
consolidated fixed charge coverage ratio (as defined) exceeds 2.25 to 1. As of
June 30, 1998, the Company's consolidated fixed charge coverage ratio was
significantly in excess of that amount, and the restrictions on additional
borrowings in the revolving credit facility generally would be reached prior to
the time covenants in the Indenture placed significant additional restrictions
on the Company's ability to incur debt.

         Under the revolving credit facility, the Company must maintain the
following financial ratios: (a) leverage ratio (funded debt compared to
consolidated EBITDA); (b) minimum current ratio (current assets compared to net
current liabilities); and (c) free cash flow ratio (free cash flow compared to
the sum of interest, dividends, current tax provision and current portion of
funded debt). In addition, the Company must maintain a minimum amount of
tangible net worth.

         In addition to the financial covenant described above, the Indenture
also contains a limitation on "Purchase Money Obligations" and/or "Capitalized
Lease Obligations" not to exceed $25 million at any one time.

         The Company is in compliance with the above-referenced ratios and
covenants.

NOTE 7 - CAPITAL STOCK:

     COMMON STOCK

         At June 30, 1998, a total of approximately 39.5 shares of common stock
were issued and approximately 38.3 shares of common stock were outstanding. In
conjunction with the Medusa merger, approximately 14.7 million shares of common
stock were issued (see Note 2 of Notes to Consolidated Financial Statements).

     PREFERRED STOCK REDEEMABLE AT ISSUER'S OPTION

         Series D Preferred Stock - The Company had approximately 1,725,000
shares of Preferred Stock, $2.875 Cumulative Convertible Series D ("Series D
Preferred Stock") outstanding at June 30, 1997. Dividends paid on the Series D
Preferred Stock were approximately $1.3 million and $2.5 million during the
three and six month periods ended June 30, 1997. All of the Series D Preferred
Stock was converted into common stock during the third quarter of 1997.


                                      -10-

<PAGE>   13


NOTE 8 - CONTINGENCIES:

         The Company has certain commitments and contingent liabilities incurred
in the ordinary course of business including, among other things, being a named
defendant in lawsuits related to various matters involving personal injury,
contractual indemnifications, environmental remediation, product liability and
employment matters. These various commitments and contingent liabilities, in the
judgment of management, do not involve more than 10% of current assets (which
were $342.2 million and $326.2 million on a consolidated basis as of June 30,
1998 or December 31, 1997, respectively) and will not result in losses which
would materially affect the Company's consolidated financial position. However,
because the Company's results of operations vary considerably with construction
activity and other factors, it is at least reasonably possible that future
charges for contingencies could, depending on their timing and magnitude, have a
material adverse impact on the Company's results of operations or cash flows in
a particular period.

         See also Item 2. "Management's Discussion and Analysis of Financial
Condition and Results of Operations - Liquidity and Capital Resources - Known
Events, Trends and Uncertainties" for a discussion of certain contingencies.

NOTE 9 - REVIEW BY INDEPENDENT ACCOUNTANTS:

         The unaudited financial information presented in this report has been
reviewed by the Company's independent public accountants. 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 financial statements. The report of Deloitte & Touche LLP
relating to its limited review of the financial information as of June 30, 1998
and for the six months then ended follows.





                                      -11-

<PAGE>   14


                     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 June 30, 1998, and the related
consolidated statements of earnings and cash flows for the six months ended June
30, 1998 and 1997 and the consolidated statement of shareholders' equity for the
six months ended June 30, 1998. 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 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, 1997 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 27, 1998, 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, 1997 is fairly stated, in all material respects, in
relation to the consolidated balance sheet from which it has been derived.




Deloitte & Touche LLP
Houston, Texas
July 22, 1998







                                      -12-
<PAGE>   15

ITEM 2.    MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND 
           RESULTS OF OPERATIONS

         Management's Discussion and Analysis of Financial Condition and Results
of Operations included on pages 17 through 27 and pages 15 through 21,
respectively, of the Company's and Medusa's Annual Reports on Form 10-K for the
year ended December 31, 1997 should be read in conjunction with the discussion
contained herein.

RESULTS OF OPERATIONS

     CONSOLIDATED SECOND QUARTER RESULTS

         The net loss for the second quarter of 1998 was $23.1 million, $0.60
per share on a diluted basis, compared with $44.4 million, $1.14 per share, in
net earnings for the prior year quarter. Included in the second quarter of 1998
were $82.9 million in merger related transaction costs ($73.9 million after
taxes, or $1.90 per share) incurred in conjunction with the previously reported
merger with Medusa.

         Consolidated revenues in the second quarter of 1998 increased 9% over
the same period of the prior year, primarily because of improved sales prices in
the Cement segment and the inclusion of new aggregates facilities acquired in
late 1997 and early 1998. Excluding the one-time transaction charges, operating
earnings for the quarter ended June 30, 1998 improved 15% over operating
earnings for the same quarter of 1997. All three operating segments showed
quarter-over-quarter improvements and corporate overhead costs dropped 12%
between the two periods. In absolute dollars, the cement segment showed the
largest improvement, rising 7% to $83.4 million in operating earnings for the
second quarter of 1998 compared with $78.1 million in the comparable 1997
quarter. The concrete products segment, excluding gains on sales of surplus
California real estate, showed the largest percentage improvement, increasing to
$3.7 million in operating earnings (excluding real estate gains) compared with
$1.8 million in operating earnings in the second quarter of 1997 which had no
gains from real estate sales. The aggregates segment had a more modest
improvement, rising almost 6% to $7.5 million in operating earnings for the June
1998 quarter compared with $7.1 million in the June 1997 quarter.

         Corporate overhead expenses were lower in the second quarter of 1998
than in the comparable 1997 period primarily because the 1997 period includes
higher compensation-related expenses in connection with Medusa's restricted
stock plan. Higher interest expense in the June 1998 quarter compared with the
June 1997 quarter reflects higher Medusa 1998 borrowings prior to the merger and
lower 1998 capitalized interest.

         Because of the non-deductibility for tax purposes of the majority of
the merger related transaction costs incurred in the second quarter of 1998, the
effective tax rates for the three month and six-month periods ended June 30,
1998 are far in excess of the federal statutory tax rate and the effective rate
of the comparable prior year periods which approximated the federal statutory
tax rate. The effective tax rate for the remainder of 1998 should decline as the
relative impact of the non-deductible transaction costs becomes smaller compared
with the cumulative year-to-date results of operations.

     CONSOLIDATED YEAR-TO-DATE RESULTS

         Consolidated year-to-date revenues and earnings for the comparable
six-month periods showed a trend similar to that of the three-month periods. For
the six months, cement segment operating earnings 

                                      -13-


<PAGE>   16
increased $13.3 million, or almost 13%, in 1998 compared with 1997; the concrete
products segment more than doubled to $7.4 million in 1998 from $3.5 million
earned in the 1997 period and the aggregates segment increased $700,000 or
almost 8% from 1998 to 1997. Year-to-date corporate overhead was virtually
unchanged, at slightly over $23 million for both years. Year-to-date interest
expense for 1998 was higher than the 1997 year-to-date period, for the reasons
previously discussed.

SEGMENT OPERATING EARNINGS

     CEMENT

         Second Quarter - For the second quarter of 1998 compared with the same
period of the prior year, a 5% increase in average cement prices and a 3%
improvement in cement tonnage shipped resulted in a 7% increase in cement
segment operating earnings, despite an increase in cement production costs. The
higher production costs were the result of a variety of factors including
unscheduled maintenance and repair costs and an additional $1.6 million charge
to increase the accrual for cement kiln dust remediation at the Charlevoix,
Michigan cement plant.

         Year-to-Date - For the first half of 1998, cement segment revenues
increased 8% compared with the same period of the prior year while cement
segment operating earnings improved 13% over the first six months of 1997.
Cement sales volumes and average sales prices increased 3% and 6%, respectively,
in the 1998 six-month period compared with the prior year six-month period.

         Sales volumes, average unit sales 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                 SIX MONTHS ENDED
                                                          JUNE 30,                           JUNE 30,
                                                 ---------------------------        ---------------------------
                                                   1998              1997              1998              1997
                                                 ---------        ----------        ---------        ----------

<S>                                              <C>              <C>               <C>              <C>  
Tons of cement sold (thousands)                      3,036            2,937             5,131            4,994
                                                 =========        =========         =========        =========

Weighted average per ton data:
     Sales price (net of freight to customers)   $   72.76        $    69.01        $   71.64        $    67.88
     Manufacturing and other plant
         operating costs(1)                          45.63             43.03            48.81             47.15
                                                 ---------        ----------        ---------        ----------
     Margin                                      $   27.13        $    25.98        $   22.83        $    20.73
                                                 =========        ==========        =========        ==========
</TABLE>

- --------------
(1)  Includes fixed and variable manufacturing costs, cost of purchased cement,
     selling expenses, plant general and administrative costs, other plant
     overhead and miscellaneous costs.

     CONCRETE PRODUCTS

         Second Quarter - Revenues for the concrete products segment increased
to $61.9 million for the second quarter of 1998 compared with revenues of $60.3
million for the same 1997 period. Sales volumes for the concrete products
segment were flat quarter-to-quarter, but average sales prices were almost 4%
higher in the 1998 quarter compared with the prior year quarter. The concrete
segment achieved a significant improvement in second quarter 1998 operating
earnings of $5.1 million compared with $1.8 million the prior year quarter. The
earnings increase related to pricing improvement in the Florida market and a
$1.4 million gain on the sale of excess property in California, as well as
reduced operating costs in the California operations.




                                      -14-
<PAGE>   17
         Year-to-Date - For the comparable six-month periods, 1998 concrete
products sales volumes were 5% lower than the prior year, but this decline was
offset by a 5% improvement of average sales prices. Concrete products revenues
for the comparable six-month periods were flat.

         Sales volumes, average unit sales price and cost data and unit
operating profit margins relating to the Company's sales of ready-mixed concrete
appear in the following table:

<TABLE>
<CAPTION>
                                                     THREE MONTHS ENDED                 SIX MONTHS ENDED
                                                          JUNE 30,                           JUNE 30,
                                                 ---------------------------        --------------------------
                                                   1998              1997             1998              1997
                                                 ---------        ----------        ---------        ---------
<S>                                              <C>                  <C>                <C>          <C>
Cubic yards of ready-mixed concrete
     sold (thousands)                                  926              926             1,733            1,830
                                                 =========        =========         =========        =========
Weighted average per cubic yard data:
     Sales price                                 $   57.21        $    55.26        $   57.34        $   54.59
     Operating costs(1)(2)                           54.08             54.39            54.83            53.64
                                                 ---------        ----------        ---------        ---------
     Margin(3)                                   $    3.13        $     0.87        $    2.51        $    0.95
                                                 =========        ==========        =========        =========
</TABLE>
- --------------
(1)  Includes variable and fixed plant costs, delivery, selling, general and
     administrative and miscellaneous operating costs.
(2)  Excludes a $1.4 million gain from the sale of surplus  real estate for the 
     three and six month  periods  ended June 30, 1998.
(3)  Does not include concrete block and other related products which totaled
     $0.9 million operating earnings for the three-month periods ended June 30,
     1998 and 1997, respectively, and $1.7 million of operating earnings in the
     year-to-date 1998 and 1997 periods, respectively.

     AGGREGATES

     Second Quarter and Year-to-Date - Specialty aggregates operations at
Castlewood, Virginia and Lee, Massachusetts were acquired in August and October
1997, respectively. Accordingly, aggregates sales revenues, volumes and prices
in 1998 benefited in both the quarter and year-to-date periods as a result of
the contributions of these two additional operations which were not present in
the prior year periods. Revenues for the aggregates segment increased 29% and
32% for the 1998 three and six-month periods, respectively, compared with the
same 1997 periods. Operating earnings for the aggregates segment increased to
$7.5 million in the second quarter and $9.6 million in the current year-to-date
period primarily as a result of the inclusion of the new facilities. Wet weather
conditions throughout the Company's midwest and northeastern marketing areas had
an adverse impact on second quarter shipments in both construction aggregates
and lawn and garden products.

     Sales volumes, average unit sales price and cost data and unit operating
profit margins relating to the Company's aggregates operations appear in the
following table:

<TABLE>
<CAPTION>
                                                     THREE MONTHS ENDED                 SIX MONTHS ENDED
                                                          JUNE 30,                           JUNE 30,
                                                 ---------------------------        ---------------------------
                                                   1998              1997             1998              1997
                                                 ---------        ----------        ---------        ----------
<S>                                              <C>              <C>               <C>               <C>
Tons of aggregates sold (thousands)                  3,020             2,864            5,052             4,768
                                                 =========         =========        =========         =========

Weighted average per ton data:
     Sales price                                 $    9.97        $     7.93        $    9.97        $     7.82
     Operating costs(1)                               7.73              5.59             8.15              5.97
                                                 ---------        ----------        ---------        ----------

     Margin                                      $    2.24        $     2.34        $    1.82        $     1.85
                                                 =========        ==========        =========        ==========
</TABLE>
- --------------
(1)  Includes variable and fixed plant costs, delivery, selling, general and
     administrative and miscellaneous operating costs.

                                      -15-

<PAGE>   18
     CORPORATE

         Second Quarter and Year-to-Date - Corporate overhead expenses declined
in the second quarter of 1998 by $1.7 million as previously discussed, but were
essentially flat for the six-month period compared with last year. Included in
corporate overhead is interest income in the second quarter of 1998 of $1.2
million compared with $433,000 in the prior year quarter and $2.3 million of
interest income in the 1998 six-month period compared with $1.1 million in the
1997 year-to-date period.

LIQUIDITY AND CAPITAL RESOURCES

         The Company generated $66.4 million in cash provided by operating
activities for the six months ended June 30, 1998, comparable to the $62.5
million in cash generated by operating activities in the 1997 period. The large
decrease in cash caused by the net loss incurred in the 1998 period was offset
by the related large increase in accrued liabilities, both of which being the
result of the one-time Medusa acquisition charge. The Company has used these
1998 operating cash flows, plus existing cash and short-term investment
balances, to fund (i) $57.0 million of capital additions primarily related to
several expansion/cost reduction projects in the Cement segment as well as a
small aggregates acquisition; (ii) a $32.5 million net reduction in long-term
debt; (iii) $9.8 million of dividends on common stock; (iv) $4.0 million in
transaction costs related to the Medusa merger; and (v) all working capital
requirements. Internally generated cash flows during the six months of 1997 were
utilized to (i) invest approximately $64.1 million in property, plant and
equipment and in acquisitions of minerals operations; (ii) repurchase $28.3
million in common stock of the Company; (iii) fund working capital requirements;
and (iv) pay $11.9 million of dividends on capital stock.

         The Company's $200 million revolving credit facility matures in June
2002. The terms of the facility permit the issuance of standby letters of credit
up to a maximum of $95 million in lieu of borrowings. In connection with the
Medusa merger, the Company in May 1998 modified its revolving credit agreement
to permit (i) the merger between a wholly owned subsidiary of the Company and
Medusa; (ii) the assumption of the existing indebtedness of Medusa of up to $100
million; and (iii) the guarantee of a $15 million lease obligation associated
with the Medusa merger. In addition, the Company also obtained a release of the
bank group's liens on the collateral security, including the security interest
in five of the Company's cement plants and the Company's interest in the Kosmos
joint venture. At June 30, 1998, there were no borrowings and $67.2 million in
letters of credit outstanding under the revolving credit facility, leaving
$132.8 million of unused capacity. The Company is in compliance with the
financial ratios and covenants contained in the revolving credit agreement and
the 10% Senior Subordinated Notes Indenture.

     CHANGES IN FINANCIAL CONDITION

         The change in the financial condition of the Company between December
31, 1997 and June 30, 1998 reflected the utilization of internally generated
cash flow during the period to fund capital expenditures, long-term debt
reduction, working capital requirements and capital stock dividends. Accounts
and notes receivable increased primarily because of the strong sales activity
occurring in June 1998 relative to lower December 1997 sales. The increase in
inventories as a result of improved manufacturing performance relative to sales
volume reflected the typical build-up of cement inventories during the second
quarter of the year. Prepaid expenses and other decreased because of payments
made by the Voluntary Employee Beneficiary Association to fund employee health
care costs. The increase in accounts payable 


                                      -16-
<PAGE>   19

and accrued liabilities reflects the one-time Medusa acquisition charge.
Long-term debt decreased because the Company paid off notes payable to third
parties.

     KNOWN EVENTS, TRENDS AND UNCERTAINTIES

         Environmental Matters - The Company is subject to a wide range of
federal, state and local laws, regulations and ordinances pertaining to the
protection of the environment. These laws regulate water discharges and air
emissions, as well as the handling, use and disposal of hazardous and
non-hazardous waste materials. These laws also create joint and several
liability for the cost of cleaning up or correcting releases to the environment
of designated hazardous substances which may, as a result, 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 or elsewhere.

         Several of the Company's previously and currently owned facilities have
become the subject of various local, state or federal environmental proceedings
and inquiries. While some of these matters have been settled, others are in
their preliminary stages and final results may not be determined for years.
Based on the information developed to date, which is not complete, the Company
does not believe it will be required to spend significant sums on these matters
in excess of the amounts already provided for in the Company's financial
statements. However, until all environmental studies, investigations,
remediation work and negotiations with or litigation against potential sources
of recovery have been completed, it is impossible to determine the ultimate cost
that might be incurred by the Company to resolve these environmental matters.

         Industrial operations have been conducted at the Company's cement
manufacturing facilities for many years. In the past, in accordance with
industry practice, the Company disposed of various materials used in its cement
manufacturing and concrete products operations in onsite and offsite facilities.
Some of these materials today may be classified as hazardous substances. Most
manufacturing plants in the industry have typically disposed of cement kiln dust
("CKD"), a by-product of the cement manufacturing process, in and around their
respective plant sites since the inception of cement manufacturing operations.
CKD is currently excluded from regulation as hazardous waste. Although the U.S.
Environmental Protection Agency ("U.S. EPA") in a 1995 decision determined
further regulation of CKD was necessary, the agency stated that it (i) found no
evidence of risks associated with the use of cement products and (ii) believes
most secondary uses of CKD do not present significant risks to people or the
environment. The U.S. EPA has initiated a rulemaking process in order to develop
specially tailored CKD management standards, and it is estimated that the new
standards for CKD will be proposed in late 1998. These CKD standards may require
the cement industry to develop new methods for handling this high volume, low
toxicity waste.

         Despite CKDs exclusion from regulation as a hazardous waste, 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. The Company is presently aware of two CKD sites in the vicinity
of its Ohio cement plant and one site in the vicinity of its Michigan cement
plant from which there has been an alleged discharge of pollutants. With respect
to the Ohio sites, the Company has previously recorded remediation charges
aggregating approximately $13 million relating to one site where leaching
occurred and is involved in litigation with a private party over the other site,
but believes it has no liability in the matter.


                                      -17-
<PAGE>   20

         With respect to the Michigan plant, the Company presently is working
with a consultant and the Michigan Department of Environmental Quality ("MDEQ")
on the construction of a new on-site CKD landfill. The Company is also
investigating potential contamination associated with past disposal of CKD at
nine separate CKD piles identified on-site. During 1997, the Company proposed
construction of a new landfill for the disposal of CKD generated in the future
and for the disposal of two CKD piles. This landfill would also be constructed
to cover a third existing CKD pile and to serve as a cap and remedy for that CKD
pile. MDEQ gave final approval in April 1998 for construction of this landfill
which the Company estimates will cost in excess of $2 million. The Company has
also submitted plans to MDEQ concerning the remediation of the other six
identified CKD piles. These plans are currently under review by MDEQ. Total
costs associated with these plans are estimated to be in the range of $4 million
to $9 million. In the fourth quarter of 1997, the Company accrued $3.6 million
related to various non-capital costs associated with the nine CKD piles. As a
result of further investigative work, the Company accrued an additional $1.6
million in CKD remediation costs in June 1998, based on the most current
information available. The Company is unable to determine when and if the
various remediation proposals will be approved by MDEQ and therefore is unable
to ascertain the timing and the ultimate cost to resolve these issues.

         The Company has been required by the California EPA to investigate the
status of two CKD disposal sites at the Company's California cement plant. The
initial phase of the investigation showed no groundwater impact at one site, but
the Company is continuing to monitor the site. There is little likelihood of
groundwater contamination at the second California site because of the great
depth to groundwater aquifers. The Company has also been required to investigate
potential groundwater impact associated with a former on-site landfill at its
Company's Georgia cement plant. Groundwater monitoring at this plant is in its
initial phase and, although monitoring will continue, the results to date were
not indicative of releases from the landfill. No substantial investigative work
has been undertaken at the Company's other CKD disposal sites because there have
been no indications of contamination at these sites.

         Amendments to the Clean Air Act in 1990 provided comprehensive federal
regulation of various sources of air pollution, and established a new federal
operating permit and fee program for virtually all manufacturing operations. The
Clean Air Act Amendments may result in increased capital and operational
expenses for the Company in the future, the amounts of which are not presently
determinable. In addition, the U.S. EPA is developing air toxics regulations for
a broad spectrum of industrial sectors, including portland cement manufacturing.
The U.S. 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. Management has no reason to believe, however,
that these new standards and any related costs would place the Company at a
disadvantage with respect to its competitors.

                                      -18-
<PAGE>   21

         The Company currently operates two cement plants (Wampum, Pennsylvania
and Demopolis, Alabama) that use as one fuel source waste-derived liquid fuels
("WDLF"). The use of WDLF is subject to emission limits and other requirements
under the Resource Conservation and Recovery Act ("RCRA") and the Boiler and
Industrial Furnaces ("BIF") regulations promulgated under RCRA. The BIF
regulations are applicable to plants operating under "interim status" during the
RCRA Part B permitting process. The BIF regulations are extremely complex, and
certain provisions have been subject to varying interpretations. Pursuant to the
BIF regulations, the Company is required to perform periodic BIF compliance
tests and submit certificates of compliance which are subject to monitoring and
review by the U.S. EPA. The Company believes its certificates of compliance are
substantially in compliance with the BIF regulations. However, there can be no
assurance that upon the U.S. EPA's review of the submissions, the U.S. EPA would
concur with the Company and not require a new BIF test or levy fines for
non-compliance.

         After a comprehensive evaluation of all aspects of using WDLF, it has
been determined that the practice is incompatible with the existing cement
operations and the objectives of the Company. Accordingly, the Company intends
to cease burning WDLF as soon as practicable and to burn other fuels
exclusively. Environmental regulations require plants that have utilized WDLF to
conduct specified "closure procedures" once the use of such fuels ceases. The
Company anticipates it will have completed closure procedures at both plants
within 12 months from the date of the Medusa merger. Accordingly, the Company
has included a charge of $2.2 million under the caption Acquisition Charge
related to the decision to exit these incompatible business activities. The
charge includes the estimated cost of the closure procedure and the writedown of
the assets utilized in the WDLF handling.

         The Company's Wampum, Pennsylvania cement plant has received four
Notices of Violation ("NOVs") from the U.S. EPA, Region III alleging certain air
emission violations. U.S. EPA has referred these NOVs to the U.S. Department of
Justice ("DOJ") for potential civil enforcement. Two of the NOVs, one issued in
May 1997 and another issued in July 1998, allege opacity and fugitive emissions
violations of Pennsylvania law and assert that the provisions are federally
enforceable. The two remaining NOVs, one issued in February 1998 and a second
July 1998 NOV, allege opacity violations related to the plant's state operating
permit provisions for burning WDLF, and also assert that these provisions are
federally enforceable. The Company is seeking to resolve these matters. Company
official met with the U.S. EPA and DOJ to discuss certain future compliance
initiatives, potential fines and other methods to resolve these matters.
Notably, the Company has already paid penalties in excess of $200,000 to the
Pennsylvania Department of Environmental Protection for the violations alleged
in the May 27, 1997 and first July 1998 NOVs. In addition, the Company has made
equipment and other upgrades and adjustments at an estimated cost of $2.5
million to address opacity and fugitive emission issues. The Company is
assessing its legal arguments and defenses and other mitigating factors and,
therefore, is unable at this time to predict the ultimate liability that may be
associated with these matters.

         In April 1998, the Company entered into a Consent Order with the U.S.
EPA under which the Company is required to undertake confirmatory sampling at
six of the seven areas identified by the U.S. EPA as "solid waste management
units" ("SWMUs") at the Kosmosdale cement plant. Should the sampling indicate
that no hazardous constituents of concern are at the SWMUs or that there does
not appear to be a threat to human health or the environment from such
constituents, the U.S. EPA will provide a "no further action determination." If
hazardous constituents are present at levels of concern at any of the SWMUs, the
Consent Order provides a mechanism under which the U.S. EPA can require in-depth
investigation and an analysis of whether remediation is necessary at any such
SWMUs. However, the Consent Order itself does not require remediation or provide
a mechanism for remediation or require any 

                                      -19-

<PAGE>   22

payment by the Company to the U.S. EPA. At this juncture, there is no basis for
determining the likelihood of a material contingency arising from this matter.

         Aggregates Acquisitions - During 1997, the Company assumed $6.6 million
in estimated environmental liabilities related to three aggregates acquisitions.
The liabilities relate to estimated environmental cleanup, containment and
compliance matters including waste lime, coal ash and kiln brick issues, wetland
considerations, underground and above ground storage tank removal and other
environmental matters related to the acquired properties.

         Import Competition - In response to the surge of unfairly priced
imports, groups of U.S. industry participants, including the Company, filed
antidumping petitions in 1989 against imports from Mexico and, in subsequent
years, against imports from Japan and Venezuela. Based upon affirmative final
determinations of the International Trade Commission and the Department of
Commerce ("DOC"), an antidumping order was imposed against Mexican cement and
clinker in 1990 and against Japanese cement and clinker in 1991. In addition, in
February 1992, the DOC suspended antidumping and countervailing duty
investigations of cement and clinker from Venezuela, based upon (i) the
Venezuelan cement producers' agreement to revise their prices to eliminate the
dumping of gray portland cement and clinker from Venezuela into the U.S. and
(ii) the Venezuelan government's agreement not to subsidize the Venezuelan
cement producers. Legislation passed by the U.S. Congress in December 1994
requires the initiation of "sunset" reviews of the antidumping orders prior to
January 2000 to determine whether these antidumping orders and the suspension
agreement should terminate or remain in effect.

         A substantial reduction or elimination of the existing antidumping
duties as a result of adverse rulings on appeals, future administrative reviews,
sunset reviews, currency devaluation or any other reason, or an influx of
low-priced cement from countries not subject to antidumping orders, could
materially adversely affect the Company's results of operations. U.S. imports of
foreign cement began to increase in the mid-1990's as U.S. cement consumption
began its recovery. The Portland Cement Association has estimated that imports
represented approximately 18% of U.S. consumption in 1997 as compared with
approximately 16% in both 1996 and 1995. During this recent period of strong
demand, however, and as a result of outstanding antidumping orders and the
suspension agreement, the prices of cement imports have risen. Unlike the
imports during the 1980's, most of the current imports have played a
supplementary rather than a disruptive role.

         Year 2000 Compliance - The Company, like most entities relying on
automated data processing, is faced with the task of modifying systems to become
Year 2000 compliant. To determine the Company's current exposure, corporate
personnel, along with an outside consulting firm specializing in Year 2000
problems, conducted a formal assessment to quantify the task of becoming
compliant. Based on the information available to date, the Company estimates the
incremental cost to achieve Year 2000 compliance will be approximately $1.5
million to $2.0 million over the cost of normal software upgrades and
replacements during 1998 and 1999. The costs of achieving Year 2000 compliance
will be charged against earnings as incurred. No assurances can be given,
however, that these estimates and total Year 2000 compliance can be achieved;
and actual results could differ materially from the Company's plans. Specific
factors that might cause material differences include, but are not limited to,
the availability and cost of personnel trained in this area, the ability to
identify and correct all relevant computer codes, and the significant degree of
interdependence with third party suppliers, service providers and customers.

                                      -20-

<PAGE>   23

         Kosmos Joint Venture Severance Tax Audit - In late 1997, the State of
Kentucky proposed a deficiency assessment against Kosmos Cement Company
("Kosmos"), a partnership operated and 75% owned by the Company, for severance
tax payments related to limestone mined at the Kosmosdale cement plant. The
total assessment, which is being contested by Kosmos, is approximately $3.7
million, including penalty and interest. A substantial portion of the severance
tax relates to limestone mined specifically for use by a local electric utility
company which is contractually liable for severance taxes on limestone provided
to it under a processing and supply agreement. A preliminary meeting was held
with the Kentucky Revenue Cabinet in January 1998 to discuss the disputed
assessments. Discussions are still in the preliminary stages, however, and the
Company is unable to evaluate whether an unfavorable outcome is either probable
or remote. For the amounts not paid by the local electric utility, the Company
would indirectly bear 75% of any settlement and legal costs through its
ownership interest in Kosmos.

         Claims for Indemnification - The Company has been notified by Energy
Development Corporation ("EDC"), the 1989 purchaser of the Company's then oil
and gas subsidiary, Pelto Oil Company ("Pelto"), that EDC was exercising its
indemnification rights under the 1989 stock purchase for Pelto with respect to
orders issued by the Mineral Management Service ("MMS") of the Department of the
Interior ("DOI") asserting that two separate gas contract settlement payments
made to Pelto prior to its purchase by EDC were royalty bearing. By letter dated
March 10, 1998, the MMS advised that it was withdrawing its royalty claim in the
amount of $1.35 million on one of the settlement payments, without prejudice to
possible reassertion at a later date, as a result of an injunction issued in
July 1997 in favor of the current owner of Pelto. The Company also disagrees
with MMS' preliminary determinations of royalty underpayment, in an amount
unspecified, on the second gas contract settlement payment of $5.9 million.
However, if the determinations as to the payments to Pelto are ultimately
upheld, the Company could have liability for royalties, plus late payment
charges which amounts are not currently determinable. Such expenditures would
result in a charge to discontinued operations.

         Discontinued Environmental Services Segment - Although a few courts
have held that indemnification for such environmental liabilities is
unenforceable, the Company has both given environmental and other
indemnifications to and received environmental and other indemnifications from
others for properties previously owned. No estimate of the extent of
contamination, remediation cost or recoverability of cost from prior owners, if
any, is presently available regarding these discontinued operations.

         In late 1994 and the first quarter of 1995, the Company became aware of
the historic soil and groundwater contamination at its former Allworth, Alabama
hazardous waste processing facility. Although the Company conveyed the Allworth
facility to Nortru, Inc. in April 1995, the Company retained existing liability
relating to soil and groundwater contamination at the facility and agreed to
remediate the contamination to the extent required by law.

         The Company has undertaken the first phase of investigation of the
contamination at the facility, through a qualified consultant and preliminary
reports indicate that there is some contamination of the groundwater. The
Company's consultant has not yet determined the scope of the contamination, nor
has it been determined whether any cleanup will be required. Accordingly, it is
not possible to determine if the Company's loss exposure is material. The
Company has files a lawsuit against the former owner of the facility. The claims
against the prior owner and other potentially responsible parties could
significantly reduce or eliminate the Company's loss exposure.


                                      -21-

<PAGE>   24


         Other - In addition to those matters separately disclosed above, the
Company has incurred in the ordinary course of business certain other
commitments and contingent liabilities including, among other things, being a
named defendant in lawsuits related to various matters involving personal
injury, contractual indemnifications, environmental remediation, product
liability and employment matters. These various commitments and contingent
liabilities, in the judgment of management, do not involve more than 10% of
current assets and will not result in losses which would materially affect its
consolidated financial position. However, because the Company's results of
operations vary considerably with construction activity and other factors, it is
at least reasonably possible that future charges for contingencies could,
depending on their timing and magnitude, have a material adverse impact on the
Company's results of operations or cash flows in a particular period.

         Disclosure Regarding Forward Looking Statements - This document
includes forward looking statements within the meaning of Section 27A of the
Securities Act of 1933, as amended, and Section 21E of the Securities Exchange
Act of 1934, as amended. These statements are based on current expectations,
estimates and projections about the general economy and the Company's lines of
business and are generally identifiable by statements containing words such as
"expects," "believes," "anticipates," "estimates" or similar expressions.
Statements related to future performance involve certain assumptions, risks and
uncertainties, many of which are beyond the control of the Company, and cannot
be guaranteed. Although the Company believes that the expectations reflected in
such forward looking statements are based upon reasonable assumptions, it can
give no assurance that its expectations will be achieved. Important factors that
could cause actual results to differ materially from the Company's expectations
include, among others, foreign and domestic price competition, the loss or
material adverse modification of existing antidumping orders, cost
effectiveness, changes in environmental regulation, and general economic and
market conditions such as interest rates, the availability of capital and the
cyclical nature of the construction industry. The reader is cautioned to
consider such disclosures in conjunction with the forward looking statements
included herein ("Cautionary Disclosures"). Subsequent written and oral forward
looking statements attributable to the Company or persons acting on its behalf
are expressly qualified in their entirety by reference to these Cautionary
Disclosures.


                           PART II. OTHER INFORMATION

ITEM 1.  LEGAL PROCEEDINGS

         In the ordinary course of business, the Company may from time-to-time
be a named defendant in lawsuits related to various matters including personal
injury, contractual indemnifications, environmental remediation, product
liability and employment matters. Based on the information developed to date and
advice of outside counsel, the Company is of the opinion the liability related
to these lawsuits individually or in the aggregate, if any, will not materially
exceed the amounts accrued on the Company's books as of June 30, 1998 and will
have no material adverse effect on the consolidated financial position of the
Company.

         (a) The information appearing under "Management's Discussion and
Analysis of Financial Condition and Results of Operations - Liquidity and
Capital Resources - Known Events, Trends and Uncertainties Environmental
Matters" is incorporated hereunder by reference, pursuant to Rule 12b-23.


                                      -22-


<PAGE>   25


         ITEM 6.  EXHIBITS AND REPORTS ON FORM 8-K.

(a)      Exhibits

              11      Statement of Computation of Per Share Earnings

              15      Independent Accountants' Letter re Unaudited Interim 
                      Financial Information

              27.1    Financial  Data  Schedule  - Six months  ended  June 30,  
                      1998 and  Restated  Financial  Data Schedule for the 
                      quarterly period ended March 31, 1998

              27.2    Financial Data Schedule - Restated Financial Data Schedule
                      for the quarterly periods ended March 31 and June 30,
                      1997, respectively

              27.3    Financial Data Schedule - Restated Financial Data Schedule
                      for the quarterly periods ended March 31 and June 30,
                      1996, respectively

              27.4    Financial Data Schedule - Restated Financial Data Schedule
                      for the years ended December 31, 1996 and 1997,
                      respectively

              99.1    Amendment Number Four to the Third Amended and Restated
                      Credit Agreement, dated as of August 6, 1997, among the
                      Company, Wells Fargo Bank, N.A.; Societe Generale,
                      Southwest Agency; The Bank of Nova Scotia; Credit Suisse
                      First Boston; Credit Agricole Indosuez; an affiliate of
                      Canadian Imperial Bank of Commerce; Bank Paribas and
                      BankBoston, N.A.

              99.2    Agreement dated May 1, 1998 by and between the Company and
                      the Cement, Lime, Gypsum and Allied Workers Division,
                      International Brotherhood of Boilermakers, Iron Builders,
                      Blacksmiths, Forgers and Helpers, AFL-CIO, Local Union D23

              99.3    Agreement dated May 1, 1998 by and between the Company and
                      the Cement, Lime, Gypsum and Allied Workers Division,
                      International Brotherhood of Boilermakers, Iron Builders,
                      Blacksmiths, Forgers and Helpers, AFL-CIO, Local Union
                      D480

              99.4    Agreement  dated March  1,1998 by and between the Company 
                      and the  International  Brotherhood of Boilermakers, 
                      Cement, Lime, Gypsum and Allied Workers Division, Local 
                      Lodge D-357

(b)      Reports on Form 8-K

         On April 10, 1998, the Company filed a Current Report on Form 8-K/A
reporting certain changes to the Merger Agreement between the Company and Medusa
Corporation.

         On June 18, 1998, an Item 5 Current Report on Form 8-K was filed
reporting the June 2, 1998 resignation of Ronald Tutor from the Board of
Directors of the Company.

         On July 15, 1998, the Company filed a Current Report on Form 8-K
reporting the conclusion of the previously reported merger transaction with
Medusa Corporation and the results of matters submitted to a vote of the
shareholders of the Company at its Annual Meeting on June 19, 1998.



                                      -23-
<PAGE>   26


                                   SIGNATURES

         Pursuant to the requirements of the Securities Exchange Act of 1934,
the Registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.



                                                SOUTHDOWN, INC.
                                                 (Registrant)



Date:  August 14, 1998             By:           DENNIS M. THIES
                                      ------------------------------------
                                                 Dennis M. Thies
                                         Executive Vice President-Finance
                                           and Chief Financial Officer
                                          (Principal Financial Officer)



Date:  August 14 , 1998           By:             ALLAN KORSAKOV
                                                  Allan Korsakov
                                       Vice President and Corporate Controller
                                             (Principal Accounting Officer)


                                      -24-


<PAGE>   1
                                                                      Exhibit 11



                        SOUTHDOWN, INC. AND SUBSIDIARIES

                 STATEMENT OF COMPUTATION OF PER SHARE EARNINGS
               (In millions, except per share amounts - Unaudited)




<TABLE>
<CAPTION>
                                                            THREE MONTHS ENDED       SIX MONTHS ENDED
                                                                 JUNE 30,                JUNE 30,
                                                           --------------------    --------------------
                                                             1998        1997        1998        1997
                                                           --------    --------    --------    --------
<S>                                                        <C>         <C>         <C>         <C>     
Earnings (loss) for basic earnings per share:
  Net earnings (loss) before preferred stock dividends     $  (23.1)   $   44.4    $   (7.4)   $   56.5
  Preferred stock dividends                                    --          (1.3)       --          (2.5)
                                                           --------    --------    --------    --------
  Net earnings (loss) for basic earnings per share         $  (23.1)   $   43.1    $   (7.4)   $   54.0
                                                           ========    ========    ========    ========

Earnings (loss) for diluted earnings per share             $  (23.1)   $   44.4    $   (7.4)   $   56.5
                                                           ========    ========    ========    ========

Average outstanding common shares for basic
   earnings per share                                          38.1        36.0        38.0        36.1

  Other potentially dilutive securities:
     - common stock equivalents from assumed
       exercise of stock options                                0.8         0.5         0.8         0.5
     - assumed conversion of the Series D convertible
       preferred stock at 1.51 shares of common stock          --           2.6        --           2.6
                                                           --------    --------    --------    --------
  Total for diluted earnings per share                         38.9        39.1        38.8        39.2
    Less: Antidulutive stock options                           (0.8)       --          (0.8)       --
                                                           --------    --------    --------    --------
                                                               38.1        39.1        38.0        39.2
                                                           --------    --------    --------    --------

Earnings (loss) per share:
   Basic                                                   $  (0.60)   $   1.20    $  (0.19)   $   1.50
                                                           ========    ========    ========    ========
   Diluted                                                 $  (0.60)   $   1.14    $  (0.19)   $   1.44
                                                           ========    ========    ========    ========
</TABLE>


<PAGE>   1

                                                                      EXHIBIT 15



August 13, 1998

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

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
June 30, 1998 and 1997, as indicated in our report dated July 22, 1998.
Because we did not perform an audit, we expressed no opinion on that
information.

We are aware that our report referred to above, which is included in your
Quarterly Report on Form 10-Q for the quarter ended June 30, 1998 is
incorporated by reference in Registration Statement No. 33-23328, Registration
Statement No. 33- 35011, Registration Statement No. 33-45144, Registration
Statement No. 33-26529, Registration Statement No. 33-26523 and Registration
Statement No. 333-59349, all on Form S-8 and Registration Statement No.
33-16517 on Form S-3.

We also are aware that the aforementioned report, pursuant to Rule 436(c) under
the Securities Act of 1933, is not considered a part of the Registration
Statements prepared or certified by an accountant or a report prepared or
certified by an accountant within the meaning of Sections 7 and 11 of that Act.


DELOITTE & TOUCHE LLP
Houston, Texas


<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THE SCHEDULE CONTAINS RESTATED SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE 
COMPANY'S CONSOLIDATED BALANCE SHEET AS OF MARCH 31, 1998 AND THE RELATED
STATEMENT OF CONSOLIDATED EARNINGS RESTATED TO REFLECT THE SECOND QUARTER 1998
MERGER TRANSACTION BETWEEN SOUTHDOWN INC. AND MEDUSA CORPORATION. THE SCHEDULE 
ALSO CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE COMPANY'S
CONSOLIDATED BALANCE SHEET AS OF JUNE 30, 1998 AND THE RELATED STATEMENT OF
CONSOLIDATED EARNINGS.
</LEGEND>
<MULTIPLIER> 1,000,000
       
<S>                        <C>             <C>
<PERIOD-TYPE>              3-MOS           6-MOS
<FISCAL-YEAR-END>          DEC-31-1997     DEC-31-1997
<PERIOD-END>               MAR-31-1998     JUN-30-1998
<CASH>                              80              71
<SECURITIES>                         8               0
<RECEIVABLES>                      124             156
<ALLOWANCES>                         5               6
<INVENTORY>                        115             107
<CURRENT-ASSETS>                   338             342
<PP&E>                           1,430           1,455
<DEPRECIATION>                     645             656
<TOTAL-ASSETS>                   1,308           1,314
<CURRENT-LIABILITIES>              135             197
<BONDS>                            202             167
                0               0
                          0               0
<COMMON>                            51              49
<OTHER-SE>                         685             617
<TOTAL-LIABILITY-AND-EQUITY>     1,308           1,314
<SALES>                            225             543
<TOTAL-REVENUES>                   225             543
<CGS>                              172             382
<TOTAL-COSTS>                      196             513
<OTHER-EXPENSES>                     0               0
<LOSS-PROVISION>                     0               0
<INTEREST-EXPENSE>                   4               9
<INCOME-PRETAX>                     25              21
<INCOME-TAX>                         9              27
<INCOME-CONTINUING>                 16             (7)
<DISCONTINUED>                       0               0
<EXTRAORDINARY>                      0               0
<CHANGES>                            0               0
<NET-INCOME>                        16             (7)
<EPS-PRIMARY>                     0.41          (0.19)
<EPS-DILUTED>                     0.41          (0.19)
                                      
                                      
                                      

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS RESTATED SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S CONSOLIDATED BALANCE SHEETS AS OF MARCH 31 AND JUNE 30, 1997,
RESPECTIVELY, AND THE RELATED STATEMENT OF CONSOLIDATED EARNINGS RESTATED TO
REFLECT THE SECOND QUARTER 1998 MERGER TRANSACTION BETWEEN SOUTHDOWN, INC. AND
MEDUSA CORPORATION.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1,000,000
       
<S>                             <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1997
<PERIOD-END>                               MAR-31-1997             JUN-30-1997
<CASH>                                              22                      49
<SECURITIES>                                         9                       1
<RECEIVABLES>                                      119                     137
<ALLOWANCES>                                         6                       6
<INVENTORY>                                        107                     107
<CURRENT-ASSETS>                                   274                     300
<PP&E>                                           1,349                   1,376
<DEPRECIATION>                                     617                     627
<TOTAL-ASSETS>                                   1,152                   1,186
<CURRENT-LIABILITIES>                              141                     157
<BONDS>                                            153                     152
                                0                       0
                                         86                      86
<COMMON>                                            48                      48
<OTHER-SE>                                         537                     474
<TOTAL-LIABILITY-AND-EQUITY>                     1,152                   1,186
<SALES>                                            208                     499
<TOTAL-REVENUES>                                   208                     499
<CGS>                                              167                     362
<TOTAL-COSTS>                                      186                     404
<OTHER-EXPENSES>                                     0                       0
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                                   3                       7
<INCOME-PRETAX>                                     19                      89
<INCOME-TAX>                                         7                      31
<INCOME-CONTINUING>                                 12                      57
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                        12                      57
<EPS-PRIMARY>                                     0.30                    1.50
<EPS-DILUTED>                                     0.30                    1.44
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS RESTATED SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S CONSOLIDATED BALANCE SHEETS AS OF MARCH 31 AND JUNE 30, 1996,
RESPECTIVELY, AND THE RELATED STATEMENT OF CONSOLIDATED EARNINGS RESTATED TO
REFLECT THE SECOND QUARTER 1998 MERGER TRANSACTION BETWEEN SOUTHDOWN, INC. AND
MEDUSA CORPORATION.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1,000,000
       
<S>                             <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1996             DEC-31-1996
<PERIOD-END>                               MAR-31-1996             JUN-30-1996
<CASH>                                              18                       8
<SECURITIES>                                         0                       0
<RECEIVABLES>                                      101                     140
<ALLOWANCES>                                        10                      11
<INVENTORY>                                        114                     109
<CURRENT-ASSETS>                                   250                     271
<PP&E>                                           1,264                   1,286
<DEPRECIATION>                                     578                     585
<TOTAL-ASSETS>                                   1,103                   1,115
<CURRENT-LIABILITIES>                              100                     114
<BONDS>                                            269                     249
                                0                       0
                                        152                     152
<COMMON>                                            42                      42
<OTHER-SE>                                         261                     285
<TOTAL-LIABILITY-AND-EQUITY>                     1,103                   1,115
<SALES>                                            173                     437
<TOTAL-REVENUES>                                   173                     437
<CGS>                                              144                     327
<TOTAL-COSTS>                                      162                     366
<OTHER-EXPENSES>                                     0                       0
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                                   7                      13
<INCOME-PRETAX>                                      4                      58
<INCOME-TAX>                                         1                      19
<INCOME-CONTINUING>                                  2                      37
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                   (11)                    (11)
<CHANGES>                                            0                       0
<NET-INCOME>                                       (9)                      26
<EPS-PRIMARY>                                   (0.37)                    0.65
<EPS-DILUTED>                                   (0.37)                    0.65
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 5 
<LEGEND>
THIS SCHEDULE CONTAINS RESTATED SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S CONSOLIDATED BALANCE SHEET AS OF DECEMBER 31, 1997 AND 1996 AND THE
RELATED STATEMENT OF CONSOLIDATED EARNINGS RESTATED TO REFLECT THE SECOND
QUARTER 1998 MERGER TRANSACTION BETWEEN SOUTHDOWN, INC. AND MEDUSA CORPORATION.
</LEGEND>
<RESTATED>  
<MULTIPLIER> 1,000,000
       
<S>                             <C>                     <C>
<PERIOD-TYPE>                   12-MOS                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1996             DEC-31-1997
<PERIOD-END>                               DEC-31-1996             DEC-31-1997
<CASH>                                              70                      99
<SECURITIES>                                        12                       4
<RECEIVABLES>                                      114                     114
<ALLOWANCES>                                         8                       5
<INVENTORY>                                         94                      97
<CURRENT-ASSETS>                                   299                     326
<PP&E>                                           1,261                   1,401
<DEPRECIATION>                                     547                     631
<TOTAL-ASSETS>                                   1,155                   1,276
<CURRENT-LIABILITIES>                              125                     134
<BONDS>                                            169                     187
                                0                       0
                                         86                       0
<COMMON>                                            48                      51
<OTHER-SE>                                         460                     624
<TOTAL-LIABILITY-AND-EQUITY>                     1,155                   1,276
<SALES>                                            988                   1,095
<TOTAL-REVENUES>                                   988                   1,095
<CGS>                                              695                     757
<TOTAL-COSTS>                                      771                     843
<OTHER-EXPENSES>                                     0                       0
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                                  24                      16
<INCOME-PRETAX>                                    193                     237
<INCOME-TAX>                                        64                      78
<INCOME-CONTINUING>                                125                     154
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                   (13)                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                       112                     154
<EPS-PRIMARY>                                     3.23                    4.10
<EPS-DILUTED>                                     2.87                    3.94
        

</TABLE>

<PAGE>   1

                                                                    EXHIBIT 99.1


                         AMENDMENT NUMBER FOUR TO THIRD
                      AMENDED AND RESTATED CREDIT AGREEMENT


                  This AMENDMENT NUMBER FOUR TO THIRD AMENDED AND RESTATED
CREDIT AGREEMENT, dated as of May 14, 1998, is entered into among SOUTHDOWN,
INC., a Louisiana corporation ("Borrower"), the Banks and financial institutions
that are signatories to the Credit Agreement (as defined below) (collectively,
the "Banks", and individually, a "Bank"), and WELLS FARGO BANK, N.A., a national
Banking association, as Agent for the Banks hereunder ("Agent").

                  WHEREAS, Borrower, the Banks, and Agent heretofore have
entered into that certain Third Amended and Restated Credit Agreement, dated as
of November 3, 1995, as amended by (a) that certain Letter Agreement, dated as
of February 29, 1996, (b) that certain Amendment Number Two to Third Amended and
Restated Credit Agreement, dated as of September 30, 1996, and (c) that certain
Amendment Number Three to Third Amended and Restated Credit Agreement, dated as
of August 6, 1997 (as amended, the "Credit Agreement");

                  WHEREAS, Borrower has requested, among other things, that the
Credit Agreement be amended to (a) amend the Credit Agreement to restructure the
credit facilities as an unsecured credit, and (b) permit Borrower, through a
reverse triangular merger, to acquire all of the issued and outstanding capital
stock of Medusa Corporation; and

                  WHEREAS, subject to the terms and conditions contained herein,
the Banks are willing to so amend such provisions of the Credit Agreement.

                  NOW, THEREFORE, in consideration of the mutual covenants,
conditions, and provisions hereinafter set forth, the parties hereto agree as
follows:

                                    ARTICLE 1

                                   DEFINITIONS

                  1.1 Definitions for this Fourth Amendment. Any and all
initially capitalized terms used herein shall have the meanings ascribed thereto
in the Credit Agreement, as amended hereby, unless specifically defined herein.
For purposes of this Fourth Amendment only, the following initially capitalized
terms shall have the following meanings:

                  "Agent" has the meaning set forth in the introduction to this
                  Fourth Amendment.



<PAGE>   2


                  "Bank" and "Banks" have the respective meanings set forth in
                  the introduction to this Fourth Amendment.

                  "Borrower" has the meaning set forth in the introduction to
                  this Fourth Amendment.

                  "Credit Agreement" has the meaning set forth in the
                  introduction to this Fourth Amendment.



                                    ARTICLE 2

                       AMENDMENTS TO THE CREDIT AGREEMENT
                       TO FACILITATE ACQUISITION OF MEDUSA

                  2.1 Section 1.1 of the Credit Agreement hereby is amended by
adding the following defined terms in alphabetical order:

                  "Bedrock" means Bedrock Merger Corp., a newly formed Ohio
                  corporation and a wholly owned subsidiary of Borrower.

                  "Fourth Amendment" means Amendment Number Four to Third
                  Amended and Restated Credit Agreement, dated as of May 14,
                  1998, among Borrower, the Banks party thereto, and Agent.

                  "Fourth Amendment Closing Date" means the date on which the
                  conditions precedent set forth in Article 4 of the Fourth
                  Amendment, other than the condition precedent for Article 3,
                  shall have been satisfied.

                  "Medusa" means Medusa Corporation, an Ohio corporation.

                  "Merger" means the merger of Bedrock with and into Medusa,
                  with Medusa as the surviving corporation.

                  "Merger Agreement" means that certain Agreement and Plan of
                  Merger, dated as of March 17, 1998, among Medusa, the Borrower
                  and Bedrock.

                  2.2 The definition of "Material Adverse Change" set forth in
Section 1.1 of the Credit Agreement hereby is amended in its entirety to read as
follows:

                  "Material Adverse Change" means and refers to a material
                  adverse change in the business, Assets, operations, business
                  prospects, or condition (financial or otherwise) of Borrower
                  and its Subsidiaries, taken as a whole, as compared with the
                  business, Assets, operations, business prospects, or condition







<PAGE>   3

                  (financial or otherwise) of Borrower and its Subsidiaries,
                  taken as a whole (i) prior to the effectiveness of the Merger,
                  as of December 31, 1997, and (ii) after the effectiveness of
                  the Merger, as of the date of Borrower's financial statements
                  first submitted to Agent pursuant to Section 5.2(a) hereof and
                  giving effect to the Merger.

                  2.3 The definition of "Permitted Acquisitions" set forth in
Section 1.1 of the Credit Agreement hereby is amended in its entirety to read as
follows:

                  "Permitted Acquisitions" means and refers to (i) the Merger,
                  and (ii) to other Investments or Asset Acquisitions that (a)
                  are in an aggregate amount (in addition to Borrower's
                  Investments in KCC permitted under Sections 6.3(j) and (m)
                  hereof) during the term of this Agreement of not more than
                  twenty percent (20%) of the book value of all of Borrower's
                  tangible Assets (exclusive of Borrower's interest in KCC) at
                  the time of such other Investment or Asset Acquisition, (b)
                  are in Persons, or of Assets, that are engaged in, or useful
                  in connection with, businesses that are substantially the same
                  as those conducted by Borrower and its Subsidiaries on the
                  Closing Date, (c) if the consideration paid or payable for any
                  such other Investment or Asset Acquisition, or series of
                  related transactions, is in excess of One Hundred Million
                  Dollars ($100,000,000), result in (or continue) Borrower
                  owning not less than fifty percent (50%) of the Voting Stock
                  (or membership interests or partnership interests in the case
                  of a limited liability company or limited liability
                  partnership, respectively) of the Person in which the
                  Investment is made or the Person that is to acquire the Assets
                  and with respect to which Borrower also has the right, whether
                  by contract, vote, or otherwise to exercise substantial input
                  in the management and control of the business of such Person,
                  and (d) are not made utilizing Assets that compose any of the
                  following: 1) the interest of Borrower in the Stock of either
                  Mojave or Medusa, and 2) the interest of Borrower in and to
                  the Cement Plants and the interest of Borrower in KCC. For
                  purposes of the foregoing, a contribution of Dollars or Assets
                  by Borrower to a newly created Subsidiary of Borrower for the
                  purpose of permitting such Subsidiary to complete an
                  Investment or Asset Acquisition shall not itself constitute an
                  Investment to the extent such Dollars or Assets are, in fact,
                  used to complete the proposed Investment or Asset Acquisition.

                  2.4 Paragraph (xvi) of the definition of "Permitted Liens" set
forth in Section 1.1 of the Credit Agreement hereby is deleted and replaced with
two new paragraphs to read as follows:

                  (xvi) to the extent not otherwise permitted under clauses (i)
                  through (xv) of this definition, the Liens reflected in the
                  annual report on Form 10-K, filed by Medusa with the SEC,
                  pursuant to Section 13 or 15 (d) of the Exchange Act,





<PAGE>   4

                  for its fiscal year ended December 31, 1997 and any other
                  liens incurred in the ordinary course of business consistent
                  with past practices by Medusa or its Subsidiaries that arise
                  after December 31, 1997 and on or before the date on which the
                  Merger becomes effective; and

                  (xvii) Liens not specified in clauses (i) through (xvi) of
                  this definition and granted by Borrower or any of its
                  Subsidiaries in the ordinary and usual course of business of,
                  and consistent with past practices of, Borrower or any of its
                  Subsidiaries (other than Liens securing Debt permitted under
                  clauses (b), (c), (d), (e), (j), (k), (l), and (m) of Section
                  6.1) and Liens in the nature of deposits with a trustee or
                  other depository in connection with a redemption, payment,
                  acquisition, repurchase, retirement for value, or conversion
                  that constitutes a Permitted Junior Payment.


                  2.5 Section 4.1(a) of the Credit Agreement is hereby amended
in its entirety to read as follows:

                  (a) ORGANIZATION AND POWERS. Each of Borrower and Borrower's
                  Subsidiaries is duly formed or organized, validly existing,
                  and in good standing under the laws of its jurisdiction of
                  formation or organization and has all requisite power and
                  authority to own and operate its properties, and to carry on
                  its business as now conducted and proposed to be conducted.
                  Borrower has all requisite power and authority to enter into
                  this Agreement and the Loan Documents to which it is a party,
                  to issue the Notes, and to carry out the transactions
                  contemplated hereby and thereby. Each of Borrower and
                  Borrower's Subsidiaries possesses all franchises,
                  certificates, licenses, permits, and other authorizations from
                  governmental or regulatory authorities that are necessary in
                  order to prevent the occurrence of a Material Adverse Effect
                  and Borrower and its Subsidiaries are not in violation thereof
                  in any material respect.

                  2.6 Section 4.5 of the Credit Agreement is hereby amended in
its entirety to read as follows:

                  4.5 TITLE TO PROPERTY; LIENS; PROPERTIES. Except as disclosed
                  in Borrower's Annual Report on Form 10-K for its fiscal year
                  ended December 31, 1997, or on its Form 10-Q for its fiscal
                  quarter ended March 31, 1998, and except for the Permitted
                  Liens, all of the Assets of Borrower and each of its
                  Subsidiaries are free of all Liens of any nature whatsoever.
                  Borrower, Mojave and Medusa (after the effectiveness of the
                  Merger), taken as a whole, have good and indefeasible title to
                  each and all of the material Assets reflected in Borrower's,
                  Mojave's or Medusa's books and records as being owned by them.
                  Borrower, Mojave and Medusa (after the effectiveness of the



<PAGE>   5

                  Merger), taken as a whole, have taken all action necessary to
                  maintain such good and indefeasible title with respect to such
                  Assets.

                  2.7 Section 5.3 of the Credit Agreement is hereby amended in
its entirety to read as follows:

                  5.3 CORPORATE EXISTENCE, ETC. Except as permitted under
                  Section 6.7 of this Agreement, Borrower shall, and shall cause
                  Mojave and, after the effectiveness of the Merger, Medusa, to,
                  at all times, preserve and keep in full force and effect its
                  and their corporate existence and any rights and franchises
                  material to Borrower's businesses.

                  2.8 Section 5 of the Credit Agreement is hereby amended to
insert immediately after Section 5.14 the following new Section 5.15:

                  5.15 YEAR 2000 COMPLIANT. Borrower shall perform such acts as
                  may be reasonably necessary to reasonably ensure that
                  Borrower, its Subsidiaries and any business in which Borrower
                  owns a substantial interest become Year 2000 Compliant within
                  a reasonable time. Such acts shall include, without
                  limitation, Borrower's performance of a reasonable review and
                  assessment of its material systems. With respect to Borrower's
                  customers, suppliers and vendors that are material to
                  Borrower's business, Borrower shall make a reasonable effort
                  to (i) assess the risks posed to Borrower's business by the
                  failure of any such entity that is material to Borrower's
                  business to become Year 2000 Compliant within a reasonable
                  time, (ii) make reasonable inquiries or other reasonable
                  assessment of such entities as to whether they will become
                  Year 2000 Compliant within a reasonable time, and (iii)
                  develop a reasonable plan for dealing with such entities which
                  do not become Year 2000 Compliant within a reasonable time. As
                  used in this paragraph, "Year 2000 Compliant" shall mean, in
                  regard to any entity, that all software, hardware, firmware,
                  equipment, goods or systems material to the business
                  operations or financial condition of such entity will properly
                  perform date sensitive functions before, during, and after the
                  year 2000. Borrower shall, within 30 days of written request
                  by Agent, provide to Agent a written report summarizing in
                  reasonable detail Borrower's actions to comply with this
                  covenant and the results of such actions; provided, however,
                  that Borrower shall not be obligated to respond to more than
                  one such request per six month period.

                  2.9 Section 6.1 of the Credit Agreement is amended by deleting
the word "and" at the end of clause (l) thereof and by inserting immediately
thereafter the following new clause (m):

                  m) Debt (including Acquired Indebtedness) owing by Medusa or
                  its Subsidiaries not otherwise permitted under this Section
                  6.1 in an aggregate




<PAGE>   6

                  amount outstanding at any time less than or equal to One
                  Hundred Million Dollars ($100,000,000); and

                  2.10 Section 6.1 of the Credit Agreement is hereby further
amended by re-lettering existing clause "(m)" as clause "(n)" and by amending
the existing language "clauses (b), (c), (f), (g), (j), (k), and (m)" to read
"clauses (b), (c), (f), (g), (j), (k), (m), and (n)".

                  2.11 Section 6.3(d) of the Credit Agreement is hereby amended
in its entirety to read as follows:

                  (d) so long as no Event of Default or Unmatured Event of
                  Default has occurred and is continuing and so long as no Event
                  of Default or Unmatured Event of Default would result
                  therefrom, Borrower and its Subsidiaries may make and own
                  Investments not otherwise permitted under this Section 6.3 to
                  the extent that such Investments constitute Permitted
                  Acquisitions, provided that the Merger may occur whether or
                  not any Event of Default or Unmatured Event of Default has
                  occurred and is continuing or would result;

                  2.12 Section 6.3 of the Credit Agreement is amended by
deleting the word "and" at the end of clause (l) and by replacing the period at
the end of clause (m) with the phrase "; and" and inserting immediately after
clause (m) the following new clause (n):

                  (n) any Investments of Medusa or its Subsidiaries as of the
effective date of the Merger.

                  2.13 Section 6.4(d) of the Credit Agreement is hereby amended
in its entirety to read as follows:

                  (d) Mojave may become and remain liable under the Mojave
                  Guaranty until released in accordance with the Fourth
                  Amendment, and, upon the effectiveness of the Merger, the
                  guaranty by Borrower or its Subsidiaries of the lease
                  obligations (in the approximate contingent amount of Fifteen
                  Million Dollars ($15,000,000)) of that certain lease of an
                  office building in or about Beechwood, Ohio;

                  2.14 Section 6.7 of the Credit Agreement is hereby amended to
add the words "or Medusa after the effectiveness of the Merger" after the word
"Mojave", in the second line thereof,

                  2.15 Section 6.7(d) of the Credit Agreement is hereby deleted
in its entirety.

                  2.16 Section 6.7(f) of the Credit Agreement is hereby amended
in its entirety to read as follows:

<PAGE>   7


                  (f) so long as no Event of Default or Unmatured Event of
                  Default has occurred and is continuing and so long as no Event
                  of Default or Unmatured Event of Default would result
                  therefrom, with the exception of the Merger which may occur
                  whether or not any Event of Default or Unmatured Event of
                  Default has occurred and is continuing or would result, (i)
                  Borrower and its Subsidiaries may make and own Permitted
                  Acquisitions and (ii) any Permitted Acquisition may be merged
                  or consolidated with or into Borrower or any of its
                  Subsidiaries so long as Borrower or any such Subsidiary is the
                  surviving entity of such merger or consolidation.

                  2.17 Section 6.8 of the Credit Agreement is hereby amended in
its entirety to read as follows:

                  6.8 SALES AND LEASE-BACKS. Except for sales and lease-back
                  transactions with respect to Medusa or its Subsidiaries in
                  effect as of the effective date of the Merger, Borrower shall
                  not, and shall not permit any of its Subsidiaries to become or
                  remain liable, directly or indirectly, as lessee or as
                  guarantor or other surety with respect to any lease, whether
                  an Operating or Capitalized Lease, of any property (whether
                  real, personal, or mixed real and personal) whether now owned
                  or hereafter acquired: (a) which Borrower or any of its
                  Subsidiaries has sold or transferred or is to sell or transfer
                  to any other Person, or (b) which Borrower or any of its
                  Subsidiaries intends to use for substantially the same purpose
                  as any other property that has been or is to be sold or
                  transferred by Borrower or any such Subsidiary to any Person
                  in connection with such lease, unless such sale or transfer is
                  permitted pursuant to Section 6.9 hereof or unless effected in
                  compliance with the provisions of Section 5.11 hereof to
                  effect and continue the transactions contemplated by this
                  Agreement and the Loan Documents.

                  2.18 Section 6.9(d)(iii) of the Credit Agreement is hereby
amended in its entirety to read as follows:

                  (d) so long as no Event of Default or Unmatured Event of
                  Default has occurred and is continuing and so long as no Event
                  of Default or Unmatured Event of Default would result
                  therefrom, the consummation of a Permitted Acquisition,
                  provided that the Merger may occur whether or not any Event of
                  Default or Unmatured Event of Default has occurred and is
                  continuing or would result; and

                  2.19 The fourth paragraph of Section 8.1 of the Credit
Agreement is hereby amended to delete the words "and Mojave" and to insert in
replacement thereof the words", Mojave and Medusa".



<PAGE>   8

                                    ARTICLE 3

          AMENDMENTS TO THE CREDIT AGREEMENT AND THE NOTES AND FURTHER
                   ACTIONS TO FACILITATE RELEASE OF COLLATERAL

                  3.1 The following additional amendments to the Credit
Agreement are hereby made:

                           3.1.1 Section 1.1 of the Credit Agreement hereby is
amended by deleting in their entirety the following defined terms: "Collateral,"
"Collateral Release Agreement," "Florida Collateral," "Mojave Guaranty," "Mojave
Security Agreement," "Personal Property Collateral Documents," "Real Property
Collateral Documents," "Security Agreement," and "Stock Pledge."

                           3.1.2 The definition of "Loan Documents" set forth in
Section 1.1 of the Credit Agreement hereby is amended in its entirety to read as
follows:

                  "Loan Documents" shall mean all written documents, agreements,
                  or instruments, other than this Agreement and the Notes, that
                  have been or are entered into (with the exception of those
                  documents the definition of which were deleted pursuant to
                  Section 3.1.1 of the Fourth Amendment) by Borrower, Agent, or
                  Banks, as the case may be, in connection with the transactions
                  contemplated by this Agreement.

                           3.1.3 Paragraph (vii) of the definition of "Permitted
Liens" set forth in Section 1.1 of the Credit Agreement is amended in its
entirety to read as follows:

                  (vii) Liens granted by Borrower in favor of Agent, on behalf
                  of Banks not otherwise released by Agent on or after the
                  Fourth Amendment Closing Date;

                           3.1.4 Paragraph (viii) of the definition of
"Permitted Liens" set forth in Section 1.1 of the Credit Agreement is amended in
its entirety to read as follows:

                  (viii) Liens granted by Mojave in favor of Agent, on behalf of
                  Banks not otherwise released by Agent on or after the Fourth
                  Amendment Closing Date;

                           3.1.5 Paragraph (xiv) of the definition of "Permitted
Liens" set forth in Section 1.1 of the Credit Agreement is amended in its
entirety to read as follows:

                  (xiv) Liens securing up to Thirty Million Dollars
                  ($30,000,000) of the principal of the Indebtedness of Borrower
                  and its Subsidiaries incurred pursuant to Section 6.1(k) of
                  this Agreement and interest thereon;

                           3.1.6 Section 2.2(a) of the Credit Agreement is
hereby amended to delete from the last sentence of such section the words
"secured by the Collateral and".


<PAGE>   9


                           3.1.7 Section 3.3(a) of the Credit Agreement is
hereby amended to delete the words "and Mojave" therefrom.

                           3.1.8 Section 4.2(d) of the Credit Agreement is
hereby deleted in its entirety.

                           3.1.9 Clause (ii) of Section 4.2(f) of the Credit
Agreement is hereby deleted in its entirety.

                           3.1.10 Section 4.2(g) of the Credit Agreement is
hereby deleted in its entirety.

                           3.1.11 Section 4.19 of the Credit Agreement is hereby
deleted in its entirety.

                           3.1.12 Section 5.2(g) of the Credit Agreement is
hereby deleted in its entirety.

                           3.1.13 Section 5.6 of the Credit Agreement is hereby
amended in its entirety to read as follows:

                  5.6 INSURANCE. Borrower shall, and shall cause each of its
                  Subsidiaries to, maintain or cause to be maintained, with
                  insurers that are financially sound and reputable at the time
                  of the issuance (or reissuance) of such insurance, insurance
                  with respect to its properties and business and the properties
                  and business of its Subsidiaries against loss or damage of any
                  kinds customarily insured against by corporations of
                  established reputation engaged in the same or similar
                  businesses and similarly situated, of such types and in such
                  amounts as are customarily carried under similar circumstances
                  by such other corporations and Borrower shall, from time to
                  time, deliver to Agent, as Agent or any Bank reasonably may
                  request, copies of policies or certificates evidencing or
                  describing all insurance then in effect.

                           3.1.14 Section 5.11 of the Credit Agreement is hereby
amended in its entirety to read as follows:

                  5.11 FURTHER ASSURANCES. At any time it is required under the
                  terms of Section 5.2(h) and Article 6 hereof or at any time or
                  from time to time upon the request of Agent or any Bank,
                  Borrower shall execute and deliver such further documents and
                  do such other acts or things as any Bank or Agent reasonably
                  may request in order to effect fully the purpose of this
                  Agreement, the Notes, and the Loan Documents.

                           3.1.15 Section 5.13 of the Credit Agreement is hereby
deleted in its entirety.


<PAGE>   10


                           3.1.16 Section 5.14 of the Credit Agreement is hereby
deleted in its entirety and Section 5.15 is renumbered as Section 5.14.

                           3.1.17 Section 6.7 of the Credit Agreement is hereby
amended to delete the words "change its name" in the second line thereof.

                           3.1.18 Section 6.9(a) of the Credit Agreement is
hereby deleted in its entirety; and Section 6.9(b) is hereby amended in its
entirety to read as follows:

                  (b)(i) The interest of Borrower in the capital stock of Mojave
                  or Medusa, after giving effect to the Merger, and (ii) the
                  interest of Borrower in and to the Cement Plants and the
                  interest of Borrower in KCC;

                           3.1.19 Section 6.16 of the Credit Agreement is hereby
deleted in its entirety.

                           3.1.20 Section 7.1(d) of the Credit Agreement is
hereby amended to delete the proviso therefrom.

                           3.1.21 Section 8.9 of the Credit Agreement is hereby
amended in it entirety to read as follows:

                  8.9 APPLICATION OF FUNDS. While any Loans or Letters of Credit
                  are outstanding hereunder or any portion of the Revolving
                  Credit Facility Commitment exists under the terms of this
                  Agreement, should any Bank receive (whether by voluntary
                  payment for the Loans, exercise of offset or banker's lien,
                  counter-claim, cross-action, or otherwise) any sums from
                  Borrower received on account of principal, interest or other
                  amount owed under this Agreement, the sums so obtained should
                  be received for the benefit of Banks in accordance with each
                  Bank's pro rata share of the Revolving Credit Facility
                  Commitment. If any right of offset is exercised by any Bank,
                  the entire amount of such offset shall be applied to the Loans
                  made pursuant to this Agreement until paid in full, prior to
                  application to any other debt of Borrower or any Subsidiary of
                  Borrower owing to such Bank.

                           3.1.22 Section 11.1 of the Credit Agreement is hereby
amended to delete clause (c) therefrom and relettering existing clause "(d)" as
clause "(c)".

                           3.1.23 Section 11.5 of the Credit Agreement is hereby
amended to delete clause (cc) therefrom and re-lettering existing clause "(dd)"
as clause "(cc)" and re-lettering existing clause "(ee)" as clause "(dd)".

                           3.1.24 The first sentence of Section 11.10 of the
Credit Agreement is hereby amended in its entirety to read as follows:


<PAGE>   11


                  TO THE EXTENT PERMITTED BY LAW, THE PARTIES HERETO AGREE THAT
                  ALL ACTIONS OR PROCEEDINGS ARISING IN CONNECTION WITH THIS
                  AGREEMENT, THE NOTES, OR THE LOAN DOCUMENTS SHALL BE TRIED AND
                  LITIGATED ONLY IN THE STATE AND FEDERAL COURTS LOCATED IN THE
                  COUNTY OF LOS ANGELES, STATE OF CALIFORNIA.

                           3.1.25 The second and third sentences of Section
11.19 of the Credit Agreement are hereby deleted in their entirety.

                  3.2 Exhibit C-1, Form of Collateral Release Agreement, Exhibit
M-1, Form of Mojave Guarantee, Exhibit M-2, Form of Mojave Security Agreement,
Exhibit S-1, Form of Security Agreement and Exhibit S-2, Form of Stock Pledge,
are hereby deleted from the Credit Agreement, and, upon the effectiveness of the
amendments to the Credit Agreement set forth in Section 3.1 above, the Real
Property Collateral Documents, the Personal Property Collateral Documents, the
Mojave Guaranty, the Mojave Security Agreement, the Security Agreement, and the
Stock Pledge (as those terms are defined in the Credit Agreement) are hereby
terminated and of no further force or effect.

                  3.3 In order to effectuate the purpose of this Fourth
Amendment, each Bank by its execution of this Fourth Amendment, upon the
effectiveness of the amendments to the Credit Agreement set forth in Section 3.1
above, hereby consents to the following amendments of the Notes:

                           3.3.1 Section 9 of the Notes is hereby amended to
read in its entirety as follows: " 9. [intentionally omitted]."

                           3.3.2 The first sentence of Section 15 of the Notes
is hereby amended by deleting the following words: "OR, AT THE SOLE OPTION OF
BANK, IN ANY OTHER COURT IN WHICH BANK SHALL INITIATE LEGAL OR EQUITABLE
PROCEEDINGS AND WHICH HAS SUBJECT MATTER JURISDICTION OVER THE MATTER IN
CONTROVERSY".

                  3.4 Upon the effectiveness of the amendments to the Credit
Agreement set forth in Section 3.1 above, or as soon thereafter as is
practicable, Agent, and each of the Banks as necessary, shall take all steps
reasonably necessary to release all of the Collateral (as defined in the Credit
Agreement) or guarantees supporting the Loans under the Credit Agreement
including, but not limited to, the filing of UCC-3 termination statements
terminating all existing UCC-1 financing statements, and the reconveyance of all
mortgages and deeds of trust encumbering the Cement Plants or other real
property Collateral (as defined in the Credit Agreement), and shall reconvey to
Borrower all certificates evidencing the capital stock of Mojave pledged
pursuant to the Stock Pledge. At any time and from time to time after the
effectiveness of the amendments set forth in Section 3.1 above, the Agent and
each of the Banks shall execute and deliver, at the reasonable request of
Borrower, such 




<PAGE>   12

further documents and do such other acts or things as Borrower may reasonably
request in order to terminate all Liens previously acquired in support of the
Loans. The Collateral (as defined in the Credit Agreement) and such guarantees
are hereby released.



                                    ARTICLE 4

                              CONDITIONS PRECEDENT

                  4.1 Conditions Precedent to the Effectiveness of this Fourth
Amendment. The effectiveness of the provisions of this Fourth Amendment (with
exception of Article 3) is subject to the fulfillment, to the satisfaction of
Agent, of each of the following conditions:

                           4.1.1 the Agent shall have received a certificate
from a Secretary or Assistant Secretary of Borrower attesting to the resolutions
of Borrower's board of directors or its executive committee authorizing the
execution and delivery of this Fourth Amendment;

                           4.1.2 the Agent shall have received counterparts of
signature pages of this Fourth Amendment duly executed and delivered by Borrower
and the Majority Banks; and

                           4.1.3 the Agent shall have received a certificate
from a Responsible Officer certifying that:

                                 (a) the representations and warranties of
                  Borrower contained in the Credit Agreement and the Loan
                  Documents, to the extent that it is a party thereto, are true
                  and correct in all material respects at and as of the date of
                  the effectiveness of this Fourth Amendment, as though made on
                  and as of such date (except to the extent that such
                  representations and warranties expressly relate solely to an
                  earlier date);

                                 (b) neither an Event of Default nor an
                  Unmatured Event of Default has occurred and is continuing on
                  the date of the effectiveness of this Fourth Amendment;

                                 (c) on the date of the effectiveness of this
                  Fourth Amendment, no Material Adverse Change has occurred, as
                  a result of one or more acts or occurrences; and

                                 (d) the Credit Agreement and each of the Loan
                  Documents are in full force and effect.



<PAGE>   13

                  4.2 Conditions Precedent to the Effectiveness of Article 3 of
this Fourth Amendment. The effectiveness of the provisions of Article 3 of the
Fourth Amendment shall be effective immediately upon the Agent's receipt of
counterparts of the signature pages of this Fourth Amendment duly executed and
delivered by all Banks and the satisfaction of all the conditions precedent set
forth in Section 4.1 above. This Fourth Amendment, with the exception of Article
3, shall be effective upon the satisfaction of the conditions precedent set
forth in Section 4.1 above notwithstanding the failure of all of the Banks to
execute this Fourth Amendment required for the effectiveness of Article 3.



                                    ARTICLE 5

                                  MISCELLANEOUS

                  5.1 Execution in Counterparts. This Fourth Amendment may be
executed in any number of counterparts, each of which when so executed and
delivered shall be deemed an original. All of such counterparts shall constitute
but one and the same instrument. Delivery of an executed counterpart of the
signature pages of this Fourth Amendment by telecopier shall be equally
effective as delivery of a manually executed counterpart. Any party delivering
an executed counterpart of the signature pages of this Fourth Amendment by
telecopier thereafter also shall deliver promptly a manually executed
counterpart, but the failure to deliver such manually executed counterpart shall
not affect the validity, enforceability, or binding effect of this Fourth
Amendment.

                  5.2 No Other Amendment. Except as expressly amended hereby,
the Credit Agreement shall remain unchanged and in full force and effect. To the
extent any terms or provisions of this Fourth Amendment conflict with those of
the Credit Agreement, the terms and provisions of this Fourth Amendment shall
control. This Fourth Amendment shall be deemed a part of and hereby is
incorporated in the Credit Agreement.

                  5.3 Governing Law. This Fourth Amendment shall be governed by,
and construed and enforced in accordance with, the laws of the State of
California.



<PAGE>   14



                  IN WITNESS WHEREOF, the parties hereto have caused this Fourth
Amendment to be executed and delivered as of the date first set forth above.

                                         SOUTHDOWN, INC.,
                                         a Louisiana corporation

                                         By
                                           ------------------------------  
                                         Title:
                                               -----------------------


                                         WELLS FARGO BANK, N.A.,
                                         a national Banking association, in its
                                         individual capacity and as Agent


                                         By
                                           ------------------------------  
                                         Title:
                                               -----------------------
\


                                         SOCIETE GENERALE, SOUTHWEST AGENCY


                                         By
                                           ------------------------------  
                                         Title:
                                               -----------------------



                                         CREDIT SUISSE FIRST BOSTON
                                         (FORMERLY KNOWN AS CREDIT SUISSE)


                                         By
                                           ------------------------------  
                                         Title:
                                               -----------------------

                                         By
                                           ------------------------------  
                                         Title:
                                               -----------------------

<PAGE>   15




                                         CREDIT AGRICOLE INDOSUEZ
                                         (FORMERLY KNOWN AS CAISSE NATIONALE DE
                                          CREDIT AGRICOLE)


                                         By
                                           ------------------------------  
                                         Title:
                                               -----------------------

                                         By
                                           ------------------------------  
                                         Title:
                                               -----------------------


                                         BANQUE PARIBAS


                                         By
                                           ------------------------------  
                                         Title:
                                               -----------------------

                                         By
                                           ------------------------------  
                                         Title:
                                               -----------------------



                                         CIBC INC.


                                         By
                                           ------------------------------  
                                         Title:
                                               -----------------------



                                         THE BANK OF NOVA SCOTIA

                                         By
                                           ------------------------------  
                                         Title:
                                               -----------------------




                                         BANKBOSTON, N.A.

                                         By
                                           ------------------------------  
                                         Title:
                                               -----------------------





<PAGE>   1
                                                                    EXHIBIT 99.2




                                BASIC AGREEMENT

                                    BETWEEN

                             MEDUSA CEMENT COMPANY
                        (Division of Medusa Corporation)

                                      AND

                          THE CEMENT, LIME, GYPSUM AND

                            ALLIED WORKERS DIVISION

                (INTERNATIONAL BROTHERHOOD OF BOILERMAKERS, IRON
              BUILDERS, BLACKSMITHS, FORGERS AND HELPERS, AFL-CIO)

                            ACTING ON BEHALF OF ITS

                                  LOCAL UNION

                        Clinchfield, Georgia, Local D23

                                   EFFECTIVE

                           May 1, 1998 to May 1, 2004
<PAGE>   2

                                BASIC AGREEMENT

<TABLE>
<S>      <C>                                                                                          <C>
   I     Agreement and Purpose                                                                        3
  II     Union Recognition and Security                                                               4
 III     Seniority                                                                                    6
  IV     Job Security                                                                                 7
   V     Working Conditions                                                                           14
         Rates of Pay - Overtime                                                                      15
         Callouts and Off-Days                                                                        16
         Limitations Upon Overtime                                                                    16
         Eight Consecutive Hour Rest Premium                                                          18
         Wage Rate - Transfer and Assignments                                                         18
         Sunday Work                                                                                  19
         Reporting Pay                                                                                19
         Funeral Leave                                                                                19
         Jury Duty                                                                                    20
         Shift Changes                                                                                20
         Wash Time and Rest Breaks                                                                    20
  VI     Vacations with Pay                                                                           21
 VII     Holidays                                                                                     22
VIII     Wages                                                                                        24
  IX     Handling of Complaints                                                                       25
   X     Strikes and Lockouts                                                                         29
  XI     Safety                                                                                       29
 XII     Military Service                                                                             32
XIII     Supplemental Unemployment Benefit Plan                                                       33
 XIV     Subcontracting                                                                               33
  XV     Miscellaneous                                                                                34
 XVI     401(k)                                                                                       34
XVII     Term of Agreement                                                                            34
</TABLE>


                                      2
<PAGE>   3


                               AGREEMENT BETWEEN
                             MEDUSA CEMENT COMPANY
                        (Division of Medusa Corporation)

                                      and

                      THE UNITED CEMENT, LIME, GYPSUM AND
                            ALLIED WORKERS DIVISION
             (International Brotherhood of Boilermakers, Iron Ship
              Builders, Blacksmiths, Forgers and Helpers, AFL-CIO)
                                 and Local D23

                      Effective May 1, 1998 to May 1, 2004

                                   ARTICLE I

                             AGREEMENT AND PURPOSE


(a)   This Agreement is by and between Medusa Cement Company, a Division of
      Medusa Corporation, hereinafter called the "Company", and the Cement,
      Lime, Gypsum and Allied Workers Division (International Brotherhood of
      Boilermakers, Iron Ship Builders, Blacksmiths, Forgers and Helpers,
      AFL-CIO), hereinafter called the "Union", acting on behalf of its Local
      Union, whose members are employees of Medusa Cement Company.

(b)   The Company and the Local Union at each plant have negotiated a Local
      Agreement.  Each Local Agreement has the same effective date and the same
      expiration date as this Basic Agreement.  Local Supplemental Agreements
      shall not conflict or serve to modify provisions of this Basic Agreement.

(c)   It is the policy of the Company and the Union that the provisions of
      Agreement shall be applied to all employees without regard to race,
      color, sex, age, religious creed, national origin, handicap or Vietnam
      Era Veteran status.

      The Masculine words "he", "his" and "him" as used in this Agreement also
      shall mean the feminine words, "she" and "her".





                                       3
<PAGE>   4
                                   ARTICLE II

                         UNION RECOGNITION AND SECURITY

(a)   The Company recognizes the Union as the exclusive representative for all
      hourly rated production, maintenance, quarry and laboratory employees,
      excluding all office employees and all supervisors as defined by the
      National Labor Relations Act, as amended, for the purposes of collective
      bargaining in respect to wages, hours and working conditions at its
      plants located at:

                       Clinchfield, Georgia, Local D23

(b)   It shall be a condition of employment that all employees of the Company
      covered by this Agreement who are members of the Union in good standing
      on the execution date of this Agreement shall remain members in good
      standing and those who are not members in good standing on the execution
      date of this Agreement shall on the thirtieth (30th) day following the
      execution date of this Agreement become and remain members in good
      standing in the Union. It shall also be a condition of employment that
      all employees covered by this Agreement and hired on or after its
      execution date shall on the thirtieth (30th) day following the beginning
      of such employment become and remain members in good standing in the
      Union.  (Because of State law, the above does not apply to Local D23 at
      Clinchfield, Georgia).

(c)   The term "employee" as used in this Agreement refers only to an employee
      whose job is set forth in the Job Classification list attached to each
      Local Agreement or any subsequent job added to the list during the term
      of the Agreement.

(d)   The Company will deduct from the monthly earnings of any of its employees
      his Initiation Fee and Union Membership Dues and will pay the same to the
      party to whom such employee directs the Company in writing. Each such
      employee desiring such deduction to be made from his earnings must
      present to the Company his signed order, which shall be substantially as
      follows:

      "I hereby authorize and direct the Medusa Cement Company to deduct and
      pay from my earnings accumulated to my credit my Initiation Fee and Union
      Membership Dues, and pay same to ............ I further agree to hold the
      Medusa Cement Company harmless on account of deductions and payment
      herein authorized."

      Medusa Cement Company ...

      ------------------------------
      Timekeeper


      Employee Clock No.
                        ------------





                                       4
<PAGE>   5
      This authorization may be canceled by the Union member on any anniversary
      date of this Agreement upon thirty (30) days prior written notice to the
      Company and the Union.

(e)   The union shall furnish to the Plant Manager a written list of the names
      of employees who will serve on the committee. The number of employees on
      the committee shall be defined by each Local Agreement. If a vacancy
      occurs on the committee, the Plant Manager, shall be informed by letter
      of the name of the new member before a meeting is held.  No other members
      of the Union who are employees at the Plants are eligible to attend these
      meetings unless previously agreed to by the parties hereto.

(f)   Notwithstanding the provisions of Article II (b) above, any employee, who
      is a member of and adheres to established and traditional tenets or
      teachings of a bona fide religion, body or sect which has historically
      held conscientious objections to joining or financially supporting labor
      organizations shall not be required to join or financially support the
      Union as a condition of employment; provided, however, that each such
      employee shall, as a condition of his or her employment, in lieu of the
      payment of periodic dues and initiation fees to the Union, pay sums equal
      to such dues and initiation fees to any one of the following nonreligious
      charitable funds, which are exempt from taxation under Section 501(C)(3)
      of the Internal Revenue Code:

                 1.    City of Hope
                 2.    American Cancer Society
                 3.    American Heart Association
                 4.    National Multiple Sclerosis Society
                 5.    American Red Cross

      It is expressly understood that any such employee holding conscientious
      objections and choosing not to join or financially support the Union, who
      requests the Union to use the grievance arbitration procedure on the
      employee's behalf, shall be required to pay to the Union the reasonable
      cost of processing any grievance on his or her behalf including
      reasonable cost of arbitration if any. (Because of State law this does
      not apply to Local D23 at Clinchfield, Georgia.)

(g)   Upon receipt from an employee authorizing payroll deduction and
      specifying the amount to be deducted, the Company will deduct voluntary
      contribution to the City of Hope. All amounts so deducted shall be
      remitted by the Company to the City of Hope.

      The Company shall be held harmless from any claim, demand or action
      arising out of such deductions.

      Employees contributing to the City of Hope cannot discontinue or change
      such contributions for one year.





                                       5
<PAGE>   6
                                  ARTICLE III

                                   SENIORITY

(a)   The seniority unit shall be plant-wide.

(b)   Seniority is continuous service which shall be calculated from date of
      first employment or re-employment following a break in continuous
      service, whichever occurs later.

      When two or more employees are hired on the same day, the employee with
      the lowest last four (4) digits in their social security number shall be
      senior to the employee with the highest last four (4) digits.  This
      paragraph is effective May 10, 1978.

(c)   New employees and those hired after a break in continuity of service will
      be regarded as probationary employees for the first sixty (60) days of
      work and will receive no continuous service credit during such period.
      Probationary employees may file and process grievances under this
      Agreement, but may be laid off or discharged as exclusively determined by
      the Company.  Probationary employees who continue in the service of the
      Company subsequent to the first sixty (60) days of work shall receive
      full continuous service credit from date of the most recent hiring.
      (PROBATIONARY PERIOD MAY BE INCREASED THIRTY (30) ADDITIONAL WORK DAYS
      SUBJECT TO APPROVAL BY THE UNION.)

(d)   An employee covered by this Agreement shall lose his entire seniority if:

      (1)    He voluntarily quits;

      (2)    He is discharged for cause and not rehired within six (6) months
             or reinstated;

      (3)    An employee's seniority shall be broken and his employment
             terminated effective on date of his acceptance of Termination
             benefits under the provisions of the Supplemental Unemployment
             Benefit Plan Agreement;

      (4)    The employee is on layoff or disability for a period of three
             years or 50% of his seniority attained at the start of such
             absence, whichever is less.

(e)   A leave of absence for the purpose of accepting a position with The
      Cement, Lime, Gypsum and Allied Workers Division at the Local, district,
      or international level, or the AFL-CIO or any of its subordinate bodies,
      shall be available to not more than three (3) employees from each plant
      at any one time.  Applications for such leave shall be submitted to the
      Company in writing thirty (30) days prior to the effective date of such
      leave to permit proper provisions to be made to fill the job to be
      vacated.  Leaves of absence for this purpose shall be for an indefinite
      period.  During such leave, seniority shall accumulate. Group insurance
      coverage shall be suspended after thirty (30) days of such leave.

      All insurance coverages will be reinstated upon returning to work with
      the Company.  Upon returning to work such employee will be reinstated on
      his former job, providing it is





                                       6
<PAGE>   7
      still in existence; if not, he shall be eligible to apply for any job
      within the bargaining unit by means of the existing bidding procedure or
      by bumping.

(f)   The Company shall attach to each Local Agreement a list of employee's
      seniority dates in order of hiring and a list of the probationary
      employees.

(g)   Temporary summer employees may be employed by the Company from May 1st
      through September 30th in order to facilitate filling of vacancies caused
      by vacations during these months. Employment of summer employees will be
      subject to the following conditions:

      (1)    No summer employee will be hired when any regular employee is on
             layoff or drawing short workweek benefits.

      (2)    All summer employees will be required to join the Union under the
             same terms and conditions as required in Article II, Sections (b)
             and (d) of the Basic Agreement.

      (3)    All summer employees must sign an appropriate form which will
             spell out the terms of their employment including but not limited
             to an agreement to commence their employment on a specified date
             and terminate their employment on a specified date. Such dates
             must be in accordance with the time period specified in this
             section.

      (4)    The term of employment will not be changed, altered or extended
             unless mutually agreed to by both the Company and the Local Union
             Committee.

      (5)    Summer employees shall not accumulate seniority nor be eligible to
             bid on any new job or vacant job which may occur during their
             terms of employment.

      (6)    A summer employee will not become eligible for a floating holiday
             and will not have any vacation rights.

      (7)    Summer employees will not participate in the Company's pension,
             S.U.B. and insurance programs.

      The above will be in full force and effect, except that if any portion is
      found to be contrary to any federal, state or local law, it shall be
      changed to comply with said law.

                                   ARTICLE IV

                                  JOB SECURITY

(a)   (1)    Whenever the installation of mechanical equipment, change in
             production methods, the installation of new or larger equipment,
             the combining of jobs or the elimination of jobs, will have an
             effect on the job status of one or more employees, the Company
             will give the Union reasonable advance notice of same and, upon
             request by the Union, will promptly meet with the Union to review
             and explore the effects of such installation or installations or
             change or changes upon the working force.





                                       7
<PAGE>   8
      (2)    Employees will not be terminated by the Company as the result of
             mechanization, automation, change in production methods, the
             installation of new or larger equipment, the combining of jobs or
             the elimination of jobs.

      (3)    Whenever an employee is no longer needed on his regular job as a
             result of circumstances described in (1) above, such employee may
             apply for any job or jobs within the bargaining unit on which an
             incumbent has less seniority, and for which he could reasonably be
             expected to qualify within a ninety (90) day on-the-job training
             period unless the employee applying for such job is disqualified
             due to physical reasons.

             The rate of pay for such employee shall not be less than
             ninety-five percent (95%) of the rate for the regular job from
             which he was displaced, irrespective of the rate of the job which
             he applies for and obtains.

             The ninety-five percent (95%) of rate protection shall apply for a
             minimum period of one (1) year, or a period equal to one-third
             (1/3) of an employee's seniority up to a maximum of two (2) years.
             If the affected employee is tendered training for a job which he
             could be reasonably expected to qualify for with a ninety (90) day
             on-the-job training period and refuses, he will not be entitled to
             any rate protection unless he has a bona fide reason for refusing.
             If an employee on ninety-five (95%) percent rate protection
             subsequently bids on and is awarded a lower rated job, he shall
             lose his rate protection.

      (4)    Employees affected by the application of the foregoing procedures
             shall have and may exercise the same rights for retention and
             on-the-job training in accordance with their seniority status and
             the ninety-five percent (95%) rate guarantee shall also be
             applicable to them.

      (5)    Employees who do not apply for and/or obtain a job in accordance
             with the provisions of (3), including employees displaced from
             their jobs but whose seniority status does not permit them to
             utilize job retention rights under the provisions of (3) or (4)
             will be placed on layoff status with recall rights in line with
             their seniority status for job vacancies which may thereafter
             occur.

      (6)    The provisions of (3) of this Section do not apply to
             displacements or layoffs resulting from production curtailments,
             except that employees laid off and not recalled when production is
             resumed following curtailment will be entitled to the same rights
             as employees affected by the preceding (3).

      (7)    Should the Company permanently shutdown the present facilities
             affording employment to the employees comprising the bargaining
             unit (the present facilities shall be deemed to have been
             permanently shutdown if all productive facilities are abandoned
             even though the shipping facilities continue to operate), the
             Company shall mail a notice informing each affected employee that
             his employment with the Company has been terminated because of the
             permanent shutdown.  The notice shall be mailed at least ninety
             (90) days prior to the shutdown to the employee's last address on
             the Company's records. Each employee who is mailed said notice
             shall have the following options:





                                       8
<PAGE>   9
      A.     An employee who is not eligible for a normal (excluding thirty
             (30) year retirement pension) or late retirement pension may elect
             to transfer to another operation of the Company covered by a
             collective bargaining agreement with the Union in accordance with
             paragraph 8 or paragraph 9.

             Any transfer pursuant to paragraph 8 or 9 will occur not later
             than three (3) years after the last day the employee worked. An
             employee awaiting transfer shall be placed on layoff and shall
             receive S.U.B. Layoff or reduced layoff benefit provided the
             eligibility and other requirements of the S.U.B. Plan are met.  An
             employee may void

             his election to transfer at any time during the three (3) year
             period.  If the employee is eligible for an immediate pension at
             the time he voids his election to transfer, he shall retire,
             effective the date he voids his election, under the pension plan
             in effect at the time of the permanent shutdown.  An employee may
             also void his election in order to apply for S.U.B. Termination
             benefits.

      B.     An employee who is eligible for an immediate pension at the date
             of the permanent shutdown shall retire as of the effective date of
             the permanent shutdown, except

             1.    An employee whose combined age and years of service equal 62
                   or more but less than 65 may elect layoff until his combined
                   age and years of service equal 65 at which time the employee
                   shall retire and receive a permanent shutdown pension. The
                   pension plan in effect at the time of the permanent shutdown
                   shall determine the retirement benefits payable to the
                   employee. An employee who elects layoff under these
                   conditions shall receive S.U.B. Layoff or reduced layoff
                   benefits provided the eligibility and other requirements of
                   the S.U.B. Plan are met.

             2.    An employee who is eligible for an immediate pension other
                   than a normal or late retirement pension and who elects to
                   transfer to another operation of the Company shall not
                   retire unless the transfer is not accomplished.

             3.    An employee shall not be required to retire under a
                   disability retirement pension earlier than he would
                   otherwise be required to retire if the Company had not
                   permanently shut down the facilities.

             An employee who retires under the Pension Plan may also be
             entitled to receive S.U.B. Terminations benefits in accordance
             with the terms of the S.U.B. Plan.

      C.     The employee may elect S.U.B. Termination Benefits in accordance
             with the terms of the S.U.B. Plan at any time within one (1) year
             after notice of termination has been mailed to him.

             An employee other than an employee who is eligible for an
             immediate pension may elect layoff prior to submitting his
             application for S.U.B. Termination Benefits and shall receive
             S.U.B. Layoff or reduced layoff benefits provided the eligibility
             and other requirements of the S.U.B. Plan are met.





                                       9
<PAGE>   10
      D.     If the facilities which have been permanently shut down are
             reopened by the Company within three (3) years of the date of the
             permanent shutdown, an employee who has retired under the Pension
             Plan shall be eligible for recall in accordance with his seniority
             status at the time of the permanent shutdown.  An employee who has
             elected S.U.B. Termination benefits shall also be eligible for
             recall in accordance with his seniority status at the time of the
             permanent shutdown.  Any pensioner who has received S.U.B.
             Termination benefits and accepts recall and any former employee
             who has received S.U.B. Termination benefits and accepts recall
             shall repay said Termination benefits to the S.U.B. Trust Fund or
             to the Company, whichever was the source of the Termination
             benefits, in accordance with the S.U.B. Plan Agreement. Any
             employee who accepts recall shall have his previously accumulated
             seniority rights, pension, S.U.B., insurance and vacation credits
             as of the last day the employee worked or at the date of permanent
             shutdown, whichever occurs later, reinstated on the date he
             returns to work.

      E.     An employee who is not eligible for an immediate pension may elect
             layoff and shall receive S.U.B. Layoff or reduced layoff benefits
             provided the eligibility and other requirements of the S.U.B. Plan
             are met.

             The employment rights of any employee on layoff shall terminate
             three (3) years after the last day the employee worked and the
             employee's seniority shall be broken.

      F.     An employee's participation in the group insurance program shall
             terminate effective the day following the last day the employee
             worked and pending claims shall be processed in accordance with
             the terms of the existing group insurance program. No employee
             shall be eligible for holiday pay or vacation pay other than
             vacation pay due after the last day the employee worked or the
             date of the permanent shutdown, whichever occurs later. No
             employee shall accumulate credited service under the pension plan
             after the last day the employee worked or the date of the
             permanent shutdown, whichever occurs later.

    (8)      In the event the Company constructs a new plant that will affect
             the employment status of employees in the Company's plant or
             plants comprising a bargaining unit, such employees shall be given
             an opportunity to make application for employment in the new plant
             before it starts operation, and such employees shall be given
             preferential employment right for the highest rated job the
             employee is capable of performing. Such an employee shall transfer
             with him all of his previously accumulated pension, S.U.B.,
             insurance and vacation credits. His seniority rights at the former
             plant shall terminate upon his establishment of seniority rights
             in the new plant.

    (9)      When an employee has been laid off or displaced because of
             permanent changes in the working force or because of a plant
             closing, he may make written application within fifteen (15) days
             of layoff or displacement for employment in another plant of the
             Company, and he shall be given preferential employment rights for
             job openings at such other plant, providing such employee is
             capable of performing the job that may be available at such other
             plant of the Company. Any employee so transferring from one plant
             to another of the Company shall retain his previously accumulated
             pension, S.U.B., insurance and vacation credits. His seniority
             rights at the former plant shall terminate upon his establishment
             of seniority rights in the plant to which he transferred.





                                       10
<PAGE>   11
    (10)     Employees transferring from one plant to another as provided in
             (a) (7), (8) and (9) of this Article will receive a moving expense
             allowance. The Company will reimburse each employee for actual
             moving expenses incurred to move furniture and other household
             goods up to a maximum of $1,000 per employee.

(b)   When a production curtailment or a plant shutdown causes a reduction in
      personnel in a department or throughout the plant, a senior employee
      whose regular job is not required shall have the option of accepting
      available work for which he is qualified or accepting layoff.  A Senior
      employee who elects to accept available work shall be entitled to:

      (1)    Bump any junior employee whose job was previously held by the
             senior employee on a permanent basis for a sufficient period of
             time to demonstrate his ability to satisfactorily perform the job
             as it is constituted at the time of the production curtailment or
             plant shutdown.  The senior employee must attempt to bump into a
             job that he previously held in the reverse order of his
             promotions.  In other words, he must first attempt to bump into
             the job he held immediately prior to his present job, except each
             employee may select one job that he had previously held on a
             permanent basis or is qualified to perform immediately, and for
             purposes of this section only, consider it to be the job he held
             immediately prior to his present job.  Each employee may make such
             selection and this selection shall be updated effective on May 1,
             of each contract year at the employee's discretion.

             If the above procedure would result in an employee becoming a part
             of the labor crew, he may exercise his bumping rights set forth in
             (2) prior to entering the labor crew.

      (2)    An employee can bump a junior employee on a plant-wide basis
             except for any maintenance job, any laboratory job, or those in
             the control room operator classification, provided he is qualified
             to perform the job immediately.

             Employees who hold utility or vacation-relief jobs where the
             employee actually works on several different jobs on a scheduled
             basis shall be considered as having held those classifications on
             a permanent basis for purposes of this section (b).

             Any junior employee who is displaced by a senior employee shall
             have the same rights as the senior employee set forth herein.

             After the bumping is completed, the Company has the right to
             require a senior employee to perform available work during the
             curtailment or shutdown if there is no junior employee with the
             necessary qualifications to perform the work.

             A plant shutdown is defined as a period during which none of the
             clinker burning units are producing.





                                       11
<PAGE>   12
             The wage rate paid during a production curtailment shall be the
             wage rate of the job performed. An employee who works on two or
             more jobs in one day shall be paid in accordance with Article V
             (j) (2).

             During periods of plant shutdowns when employees are needed for
             maintenance, repairs or work on plant alterations, the wage rate
             paid to employees who are retained for work during the first
             forty-five (45) days of plant shutdown shall not be less than the
             employee's regular straight time wage rate normally paid when the
             plant is producing.  After forty-five (45) days, the wage rate
             paid shall be the wage rate of the job performed.  An employee who
             works on two or more jobs in one day shall be paid in accordance
             with Article V (j) (2).

             The ninety-five (95%) percent rate protection is not applicable to
             any bumping under this procedure.

(c)   When the Company determines that additional jobs are required during or
      following a production curtailment or a plant shutdown in order to
      maintain or increase the work force, the manner in which the reduction of
      forces took place pursuant to Article IV, Section (b) will be reversed.

      In the event that during a production curtailment or a plant shutdown an
      employee bids for and is awarded another job, he shall lose all rights
      pertaining to the job the employee previously held.

      Sections (b) and (c) of Article IV shall not add to, subtract from, or
      otherwise modify any maintenance training agreement by and between the
      Company and the International and/or Local Unions negotiated before or
      after the effective date of this Basic Agreement.

(d)   The Company agrees to post a notice at least one week in advance of an
      intended shutdown. Whenever a layoff is planned because of a change or
      reduction in plant production requirements, the Company will, not less
      than seven (7) calendar days prior to the effective date of the layoff,
      post a bulletin stating the expected extent of such layoff, and the
      expected effect on the work force.  In the event the required notice is
      not given in accordance with the above, the Company will pay the laid off
      employee(s) the scheduled time lost at the applicable straight-time
      hourly rate.  The seven (7) calendar day period shall commence on the
      completion of the third shift following the day in which the notice was
      posted.  The foregoing does not apply to disciplinary layoffs and layoffs
      because of curtailment made necessary by disaster or emergency conditions
      affecting the ability of the Company to physically operate the plant.

(e)   Company personnel excluded from the bargaining unit shall not regularly
      perform bargaining unit work except temporarily in an emergency; for
      training or instruction purposes, for testing, diagnosis, analysis or
      when necessary to prevent disruption of the flow of operations or when
      necessary to meet the interest of efficient operations.

      Should a Company person excluded from the bargaining unit violate this
      commitment the Company will be required to pay to the effected worker or
      workers double time (his or their) regular straight time hourly rate for
      anytime worked by person not included in the bargaining unit, with a
      minimum of four (4) hours pay. If there is no affected worker, the
      penalty for such work shall be paid to the worker lowest in overtime in
      the classification and/or department.





                                       12
<PAGE>   13
(f)   Any employee who becomes incapacitated and on the basis of competent
      medical opinion cannot perform the duties of his/her regular job may
      exercise his/her plant seniority through the bumping procedure to move to
      any position within the bargaining unit at the plant for which he/she
      could qualify within a reasonable period of time but not to exceed 90
      days. This in no way affects the bidding right of the employee.

(g)   Any employee who is displaced by an incapacitated employee pursuant to
      paragraph (f) of this section, may exercise his/her plant seniority to
      bump into another position within the bargaining unit at the plant for
      which he/she is qualified in the same manner as covered in the job
      bidding procedure. The 95% rate protection is not applicable to bumping
      under paragraphs (f) and (g).

(h)   All vacancies and new jobs created shall be posted no later than the
      eighth day following the date the vacancy occurred or the new job was
      created.  Said vacancies and new jobs shall be posted for seven (7) days
      to allow any employee to make application in writing for such job. The
      Company will consider every application in terms of:

      (1)    Seniority

      (2)    The applicant's skill and ability and physical fitness measured
             against the requirements of the job.

             Where two or more applicants' qualifications in (2) are relatively
             the same, seniority shall govern.

             If an employee proves unsatisfactory, he shall be reinstated to
             his previous job.  An employee who bids for and is awarded a job,
             excluding any employee who is disqualified subsequent to the
             award, may not bid any job in the same or lower bracket for six
             (6) months from the date he was awarded his new job without the
             consent of the Company; except that an employee may bid from an
             operating job to a maintenance job or a laboratory job, from a
             maintenance job to an operating job or a laboratory job, or from a
             laboratory job to an operating job or a maintenance job even
             though the employee is bidding a job in the same or lower bracket
             within six (6) months.

             This Section does not require the Company to award a job to any
             applicant if no applicants are qualified to perform the work.

             The Company has the right to assign any employee to fill a new job
             or to fill a vacancy until the job has been awarded.

             The Company will meet with the Local Union Committee to explain
             its decision when the Company awards a job to a junior applicant.
             Any senior applicant shall have the right to challenge the
             Company's award by filing a grievance in a timely





                                       13
<PAGE>   14
             manner.  Any employee reinstated to his previous job shall have
             the right to challenge his disqualification by filing a grievance
             in a timely manner.

      (3)    Once a job has been awarded, the Company will make every effort to
             place the successful bidder on the job as soon as possible, but
             within thirty (30) calendar days from the date of the job award.
             Should the Company fail to place the successful applicant on the
             job in the 30 day period, the applicant shall receive the rate of
             pay for the new job commencing with the 31st day, until such time
             as he is placed on the new job.  At that time, he will be paid in
             accordance with this Basic Agreement, Local Supplemental
             Agreement, or plant practice, whichever is applicable.

             This shall not apply if the delay beyond thirty (30) days is
             caused by multiple bidding to fill the original vacancy.

                                   ARTICLE V

                               WORKING CONDITIONS

(a)   Eight (8) hours shall be the regular workday and forty (40) hours shall
      be the regular work week.  The workday shall commence with the beginning
      of the morning shift and workweek shall commence with beginning of the
      morning shift on Sunday (Monday at Clinchfield, Georgia).

(b)   Work schedules for each workweek will be posted on Thursday of the
      previous week prior to the end of the first shift.  If an employee's work
      schedule is changed after the end of the first shift of the preceding
      Thursday he shall be compensated by multiplying the regular straight-time
      hourly wage rate by one-half (0.5) hr the first eight (8) hours worked in
      his new schedule and the premium shall be paid in addition to whatever
      compensation the employee is otherwise entitled to receive under any
      other Section of this Agreement.  An employee's work schedule is changed
      and the premium is paid when the employee is required by a schedule
      posted after the first shift on the previous Thursday to work hours in
      place of the hours the employee was required to work by the schedule
      posted prior to the end of the first shift on the previous Thursday.

      If an employee's work schedule is not posted on Thursday of the previous
      week prior to the end of the first shift as provided above, the first
      eight (8) hours worked the following week shall be considered
      out-of-schedule and will be paid accordingly.

(c)   All hours worked and all hours paid shall be compensated by multiplying
      the regular straight-time hourly rate by one (1.0) unless expressly
      provided otherwise.

(d)   Hours worked in excess of eight (8) hours in the workday and forty (40)
      hours in the workweek shall be paid for at the applicable overtime rate.





                                       14
<PAGE>   15
(e)   Rates of Pay - Overtime:

      (1)    The applicable overtime rate shall be time and one half (1.5) the
             regular straight time hourly wage rate except on a Sunday or a
             holiday in which case the applicable overtime rate shall be:

             Sunday

             A.  Straight-Time

                 1.  Up to eight (8) hours                  1-1/2X
                 2.  Over eight (8) hours and up
                     to twelve (12) hours                   2X
                 3.  Over twelve (12) hours                 2-1/2X

             B.  Overtime and Callouts

                 1.  Eight (8) hours or less                2X
                 2.  Over eight (8) hours and up
                     to twelve (12) hours                   2-1/2X
                 3.  Over twelve (12) hours                 3X

             Holiday

             A.  Straight-time

                 1.  Up to eight (8) hours                  2-1/2X
                 2.  Over eight (8) hours and up
                     to twelve (12) hours                   3X

             B.  Overtime and Callouts

                 1.  For all hours worked                   3X

      (2)    In the event an employee works more than twelve (12) hours in the
             workday, he shall be paid for all hours worked in excess of such
             twelve (12) hours at double the regular straight time hourly rate.

             After an employee has been engaged in work for twelve (12)
             consecutive hours, he shall be paid for all consecutive hours
             worked immediately succeeding and in excess of such twelve (12)
             hours at double the regular straight time hourly rate.

             If an employee is being paid the rate of double time under the
             foregoing paragraphs, his rate of pay shall not be reduced when
             his work continues into or overlaps his regular shift.  However,
             the Company may exercise either of the following options:





                                       15
<PAGE>   16
      A.     The Company may instruct the employee to continue to the end of
             the shift at the double time rate, or

      B.     The Company may send the employee home at any time during the
             shift, provided the remainder of the shift is paid for at straight
             time, subject to a maximum payment of four (4) hours at straight
             time.  Such employee cannot be called back to work until he has
             been off duty for eight (8) consecutive hours.

             In no event shall the first two provisions of the Section be
             applied to the same hours of work.  The provision which creates
             the highest earnings shall be applied.

      (3)    Callouts and Off-days:  In case an employee is called for work
             during any hour in the day or week in addition to his regular
             schedule he shall receive a minimum of four (4) hours' pay for
             such work at the applicable overtime rate.  However, if he is
             notified before the end of his regular shift to report early, it
             shall not be considered a callout.  Callout hours and off-day
             hours are overtime hours.  All Sunday callouts to be paid a
             minimum of four (4) hours at the applicable Sunday rate.

      (4)    Lunch period interrupted by work assignments:  One-half (1/2) hour
             at the applicable overtime rate shall be paid for any scheduled
             lunch period interrupted by a work assignment and either prior or
             subsequent to the regular lunch period, reasonable time for lunch
             shall be granted with pay for same at the employee's regular rate.

      (5)    If an employee actually works seven consecutive workdays in the
             plant workweek, regardless of the number of hours worked on any
             workday, the employee shall be compensated by multiplying the
             regular straight-time hourly rate by one (1) for each and every
             hour worked during the seventh consecutive workday, and this
             premium shall be paid in addition to whatever compensation the
             employee is otherwise entitled to receive under any other Section
             of this Article.

(f)   Overtime paid on a daily basis shall not be duplicated on a weekly basis.

(g)   If an employee does not work a regularly scheduled workday through action
      of the Company, excused absence or because of a holiday, that day shall
      be considered as actually a day worked for all overtime purposes.

(h)   Limitations Upon Overtime:

      (1)    Every reasonable effort will be made by the Company to avoid
             requesting any employee to work overtime and the Company will
             consider under the circumstances involved any reasonable excuse
             from an employee for not working the overtime.  Whenever an
             employee is laid off due to lack of work or because of curtailment
             of operations, no overtime work shall be scheduled on any work
             which the laid-off employee is capable of doing and is able to
             perform, except in cases of emergency repair or unscheduled
             absences of other employees.  The foregoing to the contrary
             notwithstanding, a laid-off employee will not be called back to
             work unless there is at least thirty-two (32) hours work in the
             workweek for such employee.





                                       16
<PAGE>   17
      (2)    Overtime in the various job classifications shall be equally
             divided as defined by the Local Agreement insofar as it is
             practical to do so.  Any employee who is contacted and cannot work
             the overtime including callouts will be charged with the number of
             hours actually worked or paid, whichever is greater or according
             to the Local Agreement.  Overtime worked or charged shall be
             posted weekly in each department by the foreman.

      (3)    Employees who are called upon to work overtime shall not be laid
             off during their regular work time for the purpose of equalizing
             said overtime.

      (4)    The Company will continue its practice of allowing a fifteen
             minute paid wash-up time on continuous overtime beyond the end of
             his shift.  In addition, the Company will continue its practice of
             paying overtime in fifteen (15) minute increments.

      (5)    A.  Any employee who has not been notified of his overtime
                 assignment at least twelve (12) hours prior to the
                 commencement of the overtime assignment and who works more
                 than ten (10) consecutive hours, shall be provided with a hot
                 lunch which shall be eaten at the end of said ten (10)
                 consecutive hours, or as soon as practical thereafter but no
                 later than 30 minutes after the ten hours.  Any employee who
                 works in excess of fourteen (14) consecutive hours shall be
                 provided with an additional lunch, and lunches will be
                 furnished at the end of every four (4) consecutive hours
                 worked thereafter.

            B.   Any employee who is called out and works more than four (4)
                 consecutive hours shall be provided with a hot lunch which
                 shall be eaten at the end of said four (4) consecutive hours.
                 In addition, said employee shall be provided with a hot lunch
                 every four (4) consecutive hours worked thereafter.

                 There shall be no duplication of hot lunches under provisions
                 A and B above.  The employees shall be given reasonable time
                 to eat his lunch without loss of pay.

      (C)    THE COMPANY AGREES THAT THE ALLOWANCE FOR OVERTIME MEALS WILL BE
             INCREASED TO $6.00 EFFECTIVE MAY 1, 1998, TO $6.50 EFFECTIVE MAY
             1, 2000 AND TO $7.00 EFFECTIVE MAY 1, 2002.

      (6)    The purpose and intent of this Agreement is to refrain from
             working an employee beyond sixteen (16) consecutive hours
             excluding lunch periods.  The Company agrees that they will not
             work any employee beyond sixteen (16) consecutive hours excluding
             lunch periods unless no other classified employee is available to
             do the work.

             However, in the event that a vacancy occurs that would require a
             classified employee to work more than sixteen (16) consecutive
             hours, the Company will fill that vacancy with another classified
             employee who has primary overtime rights, an employee with
             secondary overtime rights, or other qualified employee in the
             stated order.





                                       17
<PAGE>   18
             This Agreement does not absolve an employee from the requirement
             to stay on the job until properly relieved.  However, the Company
             is required to make a diligent effort to provide a relief at the
             end of the sixteen (16) hour period.  The Company will not use the
             eight (8) hour rest clause as an excuse to require an employee to
             continue working after sixteen (16) hours.

(i)   Eight Consecutive Hour Rest Premium

      (1)    An Employee should receive at least eight (8) consecutive hours
             off work within the fourteen (14) consecutive hours immediately
             preceding the start of his next scheduled shift.  In the event an
             employee does not receive eight (8) consecutive hours off work
             within the fourteen (14) consecutive hours immediately preceding
             the start of his next scheduled shift, the Company shall exercise
             one of the following options:

             A.  Instruct the employee to report late for his next scheduled
                 shift by the number of hours his longest consecutive off-duty
                 period falls below eight (8) hours and pay the employee the
                 appropriate straight-time rate for those hours not worked
                 between the starting time of his scheduled shift and the time
                 he reports to work in accordance with the Company's
                 instructions.  The appropriate straight time rate on the
                 workday Sunday shall be one and one-half (1.5) and on a
                 recognized holiday, two (2.0).

             B.  Instruct the employee to work at the starting time of his
                 scheduled shift.  The employee shall receive a premium for
                 those hours worked which, if added to his longest consecutive
                 off-duty period, equal eight (8) hours.  The premium shall be
                 determined by multiplying the regular straight-time hourly
                 rate by one (1).  The premium shall be in addition to whatever
                 compensation the employee is otherwise entitled to receive
                 under any other Section of this Article.

      (2)    If an employee does not receive at least eight (8) consecutive
             hours off work within the fourteen (14) consecutive hours
             immediately preceding the start of callout hours worked on an
             off-day (provided that any of the callout hours worked occur
             within the hours the employee would have otherwise been scheduled
             to work had the employee not been scheduled off), the employee
             shall receive a premium for those hours worked which, if added to
             his longest consecutive off-duty period, equal eight (8) hours.
             The premium shall be determined by multiplying the regular
             straight time hourly rate by one (1).  The premium shall be in
             addition to whatever compensation the employee is otherwise
             entitled to receive under any other section of this Article.

(j)   Wage Rate - Transfer and Assignments

      (1)    Employees temporarily transferred shall be paid the regular
             straight time hourly rate of the job being performed or the
             regular straight time hourly rate of his regular job, whichever is
             greater.





                                       18
<PAGE>   19
      (2)    An employee regularly scheduled to work on two or more jobs having
             different wage rates shall receive the highest rate for the entire
             week.  If a job is regularly scheduled to be performed each week
             at least one workday in the workweek, the employee filling that
             job shall receive the highest wage rate for the entire week.  An
             employee who is scheduled to work five workdays during the
             workweek on a job or jobs having a higher straight time hourly
             wage rate or wage rates than the employee's regular straight time
             hourly rate, shall be paid at the higher straight time hourly wage
             rate for the entire week. An employee who works on two or more
             jobs in one day shall receive the highest wage rate for only the
             time worked on the higher rated job.  However, should the employee
             work on a higher rated job(s) for four (4) or more hours in the
             workday he will receive the higher rate of pay for the entire day.
             The term "entire week" used in this section shall mean the 168
             consecutive hours beginning at 7:00 a.m. on Sunday and ending at
             7:00 a.m. on Sunday.  The term "entire day" used in this Section
             shall mean the 24 consecutive hours beginning at 7:00 a.m. and
             ending the following day.

             The 168 consecutive hours mentioned above shall begin at 7:00 a.m.
             Monday and ending at 7:00 a.m. Monday, at Local D23, Clinchfield,
             Georgia.

      (3)    The Company shall have the right to utilize employees to perform
             any job; provided, however, overtime and callouts in any
             classification shall be offered to the available classified
             employees in that classification before other employees are
             assigned such work.  See Attachment "B" for Letter of
             Understanding concerning transfers.

(k)   Sunday Work

      All hours worked by an employee on Sunday which are not paid for on a
      premium and/or overtime basis shall be paid at the rate of one and
      one-half (1-1/2) times the regular straight time hourly rate exclusive of
      shift differentials.  There shall be no duplication or pyramiding of
      premium pay and/or overtime under this provision.

(l)   Reporting Pay

      Any employee who is required to report for work shall be given at least
      four (4) hours pay at the regular straight time hourly rate, and shall
      receive full pay for all time thereafter that he is required to remain on
      the premises ready for work.  Any employee put to work on his regular
      working day shall receive full day's pay at the regular straight time
      hourly rate.

(m)   Funeral Leave

      An employee, upon the notification of the death of his or her father,
      mother, spouse, son, daughter, brother, sister, stepfather, stepmother,
      stepson, stepdaughter, half sister, half brother, mother-in-law,
      father-in-law, brother-in-law, sister-in-law, grandchild, grandparent, or
      spouse's grandparent, shall be granted his or her next three (3)
      scheduled working days off with pay (four (4) days off with pay if the
      employee is required to travel beyond a radius of 500 miles).  Payment by
      the Company for such time lost shall be on the basis of eight (8) hours
      per day at the employee's regular straight time hourly rate, including
      shift differential.





                                       19
<PAGE>   20
      As used herein, brother-in-law is defined to mean (1) the brother of
      one's husband or wife, (2) the husband of one's sister, (3) the husband
      of the sister of one's spouse, and sister-in-law is defined to mean (1)
      the sister of one's husband or wife, (2) the wife of one's brother, (3)
      the wife of the brother of one's spouse.

      The above clause shall not apply to an employee who is laid off, except
      when an employee is notified to return to work effective on or before the
      day of the funeral he shall be granted full funeral leave with pay.

      The Company will notify a local union official of a death of an
      employee's relative as defined above as soon as the Company has been
      advised by the employee.

      The foregoing to the contrary notwithstanding, no bereavement payment
      will be made unless the employee attends the funeral nor will payment be
      made if there are more than fourteen calendar days between the date of
      death and the next scheduled workday.

(n)   Jury Duty

      Any regular employee (as distinguished from a probationary employee)
      required to perform jury duty on a day he is scheduled to work, shall be
      excused from work on that day.  The Company shall pay the employee the
      difference between the amount received for such jury duty and eight (8)
      hours at his regular rate of pay plus shift differential if involved.

      The day or days paid for such jury service shall be counted as eight (8)
      hours worked for the purpose of computing weekly overtime.

(o)   Shift Changes

      A shift employee may clock in up to 30 minutes prior to the actual
      starting time of his shift and relieve the employee that he is to
      replace.  When properly relieved within this 30 minute period, the
      employee being relieved may clock out and leave the plant.

      Under such circumstances the pay received by the relieving and relieved
      employees shall be computed as though both employees had clocked in and
      out at the actual shift change time.

(p)   Wash Time and Rest Breaks

      (1)    An employee who does not receive a paid lunch period shall not
             clock out prior to the regular quitting time for his shift.
             However, he shall be permitted to leave his place of work 15
             minutes prior to the regular quitting time for his shift to wash
             provided that the employee is not required to work overtime.  An
             employee who does not receive 15 minutes away from the job to wash
             because he has been required by the Company to work up to but not
             after the regular quitting time for his shift, shall be
             compensated for lost wash time by multiplying his regular straight
             time hourly rate by fifteen minutes (.25 hour).  If the employee
             uses additional time to clean following the regular quitting time
             for his shift, he shall be paid as though he had clocked out at
             the regular quitting time.





                                       20
<PAGE>   21
      (2)    An employee who does not receive a paid lunch period and who is
             required to work overtime after the regular quitting time for his
             shift shall clock out no more than 15 minutes after he leaves his
             place of work.  This shall not apply to an employee on call out.

      (3)    An employee who does not receive a paid lunch period will be
             allowed a 15 minute rest break away from his job during the first
             four hours of his regular shift.  Break times shall be determined
             by the employee's foreman and the efficient operation of the plant
             shall be controlling.  The 15 minute break shall be strictly
             construed to be the total time away from the job.  Should any
             employee regularly be denied a break, he may file a grievance in a
             timely manner.

      (4)    The Company is not required to grant any employee who does receive
             a paid lunch period any wash-up time and any rest break.
             Furthermore, said employee shall eat his lunch "on-the-job" so
             that there is no interruption of operations.

(q)   Any other provisions of this labor agreement to the contrary not
      withstanding, no employee shall receive pay for any hour worked or
      unworked which singly or in any combination, exceeds triple his regular
      straight time hourly rate.

                                   ARTICLE Vl

                               VACATIONS WITH PAY

(a)   Any employee who works during at least thirteen (13) weeks in either each
      calendar year or each anniversary year, as defined in the Local
      Agreements, shall be granted a vacation off work without loss of pay,
      according to the following schedule:

(b)   All employees who have completed one or more anniversary years of service
      but less than five (5) years of service will be entitled to two (2) weeks
      of vacation, provided they meet all other requirements of this Article.

      Employees who have completed five (5) or more anniversary years of
      service but less than fifteen (15) years of service will be entitled to
      three (3) weeks of vacation, provided they meet all other requirements of
      this Article.

      Employees who have completed fifteen (15) or more anniversary years of
      service, but less than twenty-five (25) years of service, will be
      entitled to four (4) weeks of vacation, provided they meet all other
      requirements of this Article.

      Employees who have completed twenty-five (25) or more anniversary years
      of service will be entitled to five (5) weeks of vacation, provided they
      meet all other requirements of this Article.

      Article Vl (b) above to the contrary notwithstanding, no employee (who
      meets all the other requirements of this Article Vl) shall be entitled to
      any fewer weeks of vacation than he was entitled to take in 1984.





                                       21
<PAGE>   22
(c)   Vacation pay will be based on a forty (40) hour week at the rate of the
      permanently assigned classification on which an employee is working at
      the time he takes his vacation.  If an employee has held a single higher
      rated classification for more than six (6) months during the year
      preceding his vacation, he will receive vacation pay computed at the
      higher rate.  Vacation pay shall include appropriate shift differential
      for those on fixed shift.  Employees working on rotating shifts shall be
      paid an average of the rates for the rotating shifts involved.

(d)   Vacations will not be cumulative, but so far as practicable, be granted
      at times most desired by the employees, but the final right to allotment
      of vacation period is exclusively reserved to the Company in order to
      insure the orderly operation of the plant.  In exercising its right to
      allot vacation periods, the Company will not require any employee who is
      on layoff to take his vacation during periods of plant shutdown or
      curtailment of operation.  Where requested vacation periods conflict,
      preference shall be given to the older employee in point of service.

(e)   It is further agreed that if any employees have previously selected their
      vacation period so that it occurs during an unforeseen shutdown such
      vacation period shall not be changed.

      Vacation shall be taken by the employee within the calendar year in which
      it is granted as determined by the Local Agreements.

(f)   No employee will be required and/or requested to work during his seven
      day vacation period.  The only exception will be when a classification
      has two or fewer employees, no qualified personnel are available except
      the employee on vacation, and an emergency situation exists.  In that
      event an employee on vacation may be requested to work.

(g)   The rules governing the submission of appropriate vacation application
      blanks shall be defined by the Local Agreement.

(h)   Upon two weeks written notice by an employee to the Personnel Clerk, the
      Company will give him his vacation pay on the employee's last shift prior
      to the beginning of his vacation.

                                  ARTICLE VII

                                    HOLIDAYS

(a)   The Company will grant eleven (11) paid holidays; these holidays shall be
      listed in each Local Agreement.

(b)   If any such holiday falls on Sunday, the following Monday shall be the
      recognized holiday.  The holiday hours shall be those hours within the 24
      hour period commencing with the beginning of the first shift on the
      morning of the holiday and ending at the beginning of the first shift the
      following day.

(c)   Employees who are scheduled to work on a holiday shall be paid two and
      one-half (2.5) times the regular straight time hourly rate.





                                       22
<PAGE>   23
(d)   Hours worked on a holiday in excess of eight (8) in a workday, in excess
      of forty (40) in a workweek, on off-days, and on callouts shall be paid
      for at the applicable overtime rate.

(e)   If no work is required of an employee on the above holidays, he will
      receive eight (8) hours pay at the regular straight time hourly rate,
      provided he meets the following qualifications.

      (1)    The employee shall have been employed by the Company for at least
             thirty (30) calendar days prior to the holiday.

      (2)    The employee shall have worked his last scheduled working day
             prior to and his next scheduled working day after such holiday
             unless excused therefrom by the Plant Manager on account of
             sickness, accident, death in the family, or other excused absence.
             In no event shall a holiday be paid for unless an employee has
             also worked during the thirty (30) day period immediately
             preceding or immediately following the holiday except that the
             thirty (30) day limitation shall not apply if the employee was
             temporarily absent from work because of sickness, accident or
             layoff.  In any event, the employee must work at least one day in
             the calendar year in which the holiday is granted.

(f)   If an employee is scheduled to work on a holiday and fails to work, he
      shall not receive holiday pay, unless excused therefrom by the Plant
      Manager.

(g)   If an employee works on a holiday, the holiday shall be counted as a day
      worked for computing weekly overtime.  Paid holiday is to count as a day
      worked for overtime purposes, provided holiday falls on one of employee's
      scheduled workdays and he would have worked that day except for holiday
      observance.

(h)   An employee not scheduled to work the holiday and who subsequently
      performs work on a holiday will be considered as being on callout and
      will be paid eight (8) hours at the regular straight time hourly rate in
      addition to two (2) times the regular straight time hourly rate for all
      time worked with a minimum of four (4) hours at double time.

(i)   Work schedules for each workweek which include a holiday will be posted
      prior to the end of the first shift on Thursday of the previous week.  If
      an employee is scheduled to work on a holiday, but then is instructed by
      the Company not to work, he shall receive for that holiday eight (8)
      hours pay at two and one-half (2.5) times the regular straight time
      hourly rate.

(j)   The phrase "regular straight time hourly rate" as used solely in Article
      Vll, Holidays, shall mean the higher of either the employee's regular
      straight time hourly rate or to the highest straight time hourly rate for
      a job on which the employee works at least eight (8) consecutive hours in
      the workweek in which the holiday falls provided (1) that the eight hours
      had been previously scheduled or (2) the hours are worked the day before
      or the day after the holiday whether previously scheduled or not.





                                       23
<PAGE>   24
                                  ARTICLE VIII


                                     WAGES


(a)   Considered a part of the Local Agreements are the current Job
      Classifications and Rate Lists.

(b)   (1)    Scheduled shift workers on the first shift shall receive the
             regular straight time hourly rate.

      (2)    Scheduled shift workers on the second shift shall receive the
             regular straight time hourly rate plus 52c.  per hour.

      (3)    Scheduled shift workers on the third shift shall receive the
             regular straight time hourly rate plus 75c.  per hour.

      (4)    These premium rates do not apply to day workers even though they
             may work over into premium paid shift.

      (5)    If a day worker is scheduled to take the place of a regular
             scheduled shift worker, then the premium rate for the shift shall
             apply.

      (6)    The premium pay does not alter the provisions covered in this
             contract under the head of "Working Conditions".

(c)   Shift differentials shall be included as part of the regular rate in the
      calculation of overtime compensation.

(d)   The Company may at its discretion increase wages in any class or to an
      individual in any class without necessitating a change in the rate of any
      individual or class.

(e)   Any job not mentioned in this Agreement or any job with substantial
      changes in duties, equipment or requirements, or any new job created in
      the plant, shall be open for negotiations by the Company and the Union as
      to wages upon written notice from either party to the other party.  If no
      agreement can be reached during the above negotiations, the matter shall
      be subject to the grievance procedure.





                                       24
<PAGE>   25
                                   ARTICLE IX

                             HANDLING OF COMPLAINTS

(a)   All employees shall at all times make an effort to perform their duties
      in such a manner as to promote safe and efficient operation of their
      department and the plant as a whole.

      (1)    Should a difference arise between an employee and the Company as
             to the meaning and application of this Agreement or should a
             difference arise as to the meaning and application of a recognized
             practice, the employee with or without his steward shall present
             his complaint to his foreman within ten (10) working days after
             the date of the alleged wrong or within ten (10) working days
             after the date the employee received his payroll check, whichever
             is later.  Failure by the employee and/or the Union to observe
             this time limit shall cause the grievance to be considered settled
             in favor of the Company.

      (2)    The foreman shall orally reply to the employee within five (5)
             working days after the date the employee presented his complaint
             in Section (1).  Failure by the Company to observe this time limit
             shall cause the grievance to be considered settled in favor of the
             employee.

      (3)    If the employee is not satisfied with the foreman's reply, the
             employee may request his steward to present the grievance in
             writing to the Union Grievance Committee.  If the Union Grievance
             Committee believes that the complaint is justified, it may submit
             the complaint in writing to the Plant Manager within five (5)
             working days of the date of the foreman's reply in Section (2).
             The Plant Manager shall schedule a meeting with the Union
             Grievance Committee and any member or members of the staff that
             the Plant Manager desires to have present.  This meeting shall
             take place within fifteen (15) working days of the date the Union
             Grievance Committee submits the grievance to the Plant Manager.
             Failure to observe any time limit shall cause the grievance to be
             considered settled in favor of the employee if the Company has
             failed to observe the time limit or in favor of the Company if the
             employee and/or the Union has failed to observe the time limit.

      (4)    The parties shall use their best efforts to settle the complaint.
             If the parties agree upon the disposition of the grievance, they
             shall reduce their understanding to writing and the grievance
             shall be settled.  If the parties are unable to agree, the Union
             Grievance Committee may at the employee's request and within
             thirty (30) days of the date of the meeting between the Plant
             Manager and the Union Grievance Committee submit the grievance in
             writing to the Director of Industrial Relations or his
             representative with copies to the International Vice President or
             District





                                       25
<PAGE>   26
             Council Representative and the Plant Manager.  The Director of
             Industrial Relations shall contact the International Vice
             President or District Council Representative within seven (7) days
             after receipt of the grievance to schedule a meeting.  The parties
             shall use their best efforts to schedule the meeting within thirty
             (30) days.  Failure to observe any time limit shall cause the
             grievance to be considered settled in favor of the employee if the
             Company has failed to observe the time limit or in favor of the
             Company if the employee and/or the Union has failed to observe the
             time limit.

      (5)    After full consideration, and such conference as may be mutually
             agreed upon with an International or District Council
             Representative of the Union, the grievance shall be considered
             settled when the employee's and the Company's representative shall
             have reached an agreement.

      (6)    If the parties are unable to settle the grievance, either party
             can notify the other party in writing that it intends to submit
             the grievance to arbitration.  This notice must be given within
             ten (10) days of the last meeting in Section (5) OR AFTER TEN (10)
             DAYS WRITTEN RESPONSE FROM THE COMPANY. The consent of the other
             party is not required to arbitrate a grievance.

             The foregoing to the contrary notwithstanding, either party may
             exercise the following option:

             For the purpose of expediting and facilitating the resolution of a
             grievance which has been processed through step (5) of the
             grievance procedure and which would otherwise be submitted to
             arbitration, either the Company or the Union may elect to submit
             said grievance to a panel which will consist of a Vice President
             of the International Union or his representative and the Vice
             President of Operations of the Company or his representative,
             provided that no member of the panel can be a party to any
             discussion of the grievance during an earlier step of the
             grievance procedure.  Each party can submit a maximum of five (5)
             grievances to the panel during any calendar year.  Only a
             grievance about the interpretation of contract language in the
             Basic or Local Agreement can be submitted to the panel.  A party
             electing to submit said grievance to the panel must notify the
             panel and the other party within ten (10) days after a decision
             has been made at step (5).  The authority of said panel shall be
             no greater than the authority of the arbitrator as set forth in
             (d) of the grievance procedure.  The panel shall meet at the Plant
             where the grievance arose.

             A maximum of two members of the Union Grievance Committee can
             attend a panel meeting.  The decision of the said panel shall be
             final and binding upon the Company and the Union.  In the event
             the Union representative on the panel and the Company
             representative on the panel are unable to agree, either the Union
             or the Company may elect to submit such grievance to arbitration
             as provided in step (6) of the grievance procedure.  The party
             electing to arbitrate the grievance must give notice to the other
             party within ten (10) days after the Union representative on the
             panel and the Company representative on the panel have jointly
             informed the parties that the panel is unable to make a decision.
             Failure to observe any time limit shall cause the grievance to be
             considered settled in favor of the employee if the Company has
             failed to observe the time limit or in favor of the Company if the
             employee and/or the Union has failed to observe the time limit.





                                       26
<PAGE>   27
(b)   If either party does not notify the other within ninety (90) days of the
      notice of its intent in (a) (6) above, that it now wishes to mutually
      select an arbitrator and schedule a hearing date, then the parties shall
      consider the grievance to have been withdrawn by the moving party.

      When the moving party notifies the other of its wish to mutually select
      an arbitrator, the parties shall select an arbitrator within ten (10)
      days.  Failing to reach an agreement upon the selection of an arbitrator,
      the moving party may request the appointment of an arbitrator by either
      the Federal Mediation and Conciliation Service or the American
      Arbitration Association.

      Grievances heard by the arbitrator must be presented in chronological
      order based on the date the grievances were written except in discharge
      cases which may be presented out of chronological order or in cases where
      the parties have mutually agreed in writing to waive the chronological
      order requirement.

(c)   All time limits set forth in (a) and (b) shall be strictly observed; time
      limits can be extended by a written agreement between the parties.

      Whenever the term "working days" occurs in the grievance procedure, it
      shall be defined by the parties to mean plant work days, Monday through
      Friday.

      Whenever the term "days" is used in this section, it shall be defined by
      the parties to mean calendar days.

(d)   The arbitrator shall consider only the grievance appealed to him and
      shall have jurisdiction and authority only to interpret, apply, or
      determine compliance with the provisions of this Agreement, and only the
      extent necessary to determine the grievance.  The arbitrator shall not
      have jurisdiction or authority to add to, modify, detract from, or alter
      in any way the provisions of this Agreement.

(e)   The arbitrator's decision shall, at the request of either party, be in
      writing and shall be final and binding on both parties.  The fees and
      expenses of the arbitration proceeding, except fees for witnesses brought
      in by either party and legal counsel's fees, shall be borne equally by
      the Company and the Union.  Bargaining unit employees including
      Committeemen who participate in arbitration proceedings shall not be
      compensated by the Company.

(f)   Grievances involving the provisions of the collective bargaining
      agreement and occurring so as to be processed to arbitration at the same
      time will be at the request of either party arbitrated before the same
      arbitrator.  However, it is agreed that not more than four (4) cases will
      be heard at one series of hearings.

(g)   Local Union officers and stewards off-duty and representatives of the
      International Union and District Council shall, upon notice to the
      Company, be permitted on Company's premises to investigate grievances.

(h)   Meetings will be conveniently scheduled so as to complete all business
      within the normal working day for day employees.  Any employee who is
      scheduled to work during the hours





                                       27
<PAGE>   28
      the meeting is held and who attends the meeting will be compensated by
      multiplying the regular straight time hourly rate by the hours he attends
      the meeting.  In addition, if the employee attends the meeting beyond his
      normal quitting time, he will be compensated for each additional hour he
      attends the meeting by multiplying the regular straight time hourly rate
      by one (1) and said additional hour or hours shall not count toward daily
      or weekly overtime.

      Any member of the Committee who is not scheduled to work during the hours
      the meeting is held, who is not scheduled to work the third shift
      immediately preceding the meeting, or who is not scheduled to work the
      second shift immediately following the meeting, and who attends the
      meeting, will be compensated by multiplying his regular straight time
      hourly rate by all hours he attends the meeting.  Any hours paid under
      this paragraph shall not count toward the calculation of any penalty or
      premium pay section of this Agreement including but not limited to daily
      or weekly overtime.  Any employee who is receiving S.U.B. benefits,
      sickness and accident benefits, or Workmen's Compensation benefits for
      the day of the meeting or who is absent due to disciplinary layoff shall
      not receive any compensation under this paragraph.

      When a meeting is scheduled at which a representative of the
      International Union and a representative of the Company from Cleveland
      will attend, any member of the committee who is scheduled work the third
      shift immediately preceding the meeting will be excused from working the
      third shift and will be compensated by multiplying eight (8) hours at the
      regular straight time hourly rate plus shift differential if the employee
      has attended the meeting.

      Any member of the committee who is scheduled to work the second shift
      immediately following the meeting will be excused from working the second
      shift if the employee has attended the meeting for six (6) hours.  In the
      event the employee is excused from working the second shift, he will be
      compensated by multiplying eight (8) hours at the regular straight time
      hourly rate plus shift differential.

(i)   The Company will reimburse no more than two (2) members of the Union's
      bargaining Committee from each Local Union for scheduled time lost due to
      attendance at and travel to and from Basic Agreement Negotiations.  One
      day travel time shall be allowed the day before such meeting, and one day
      travel time shall be allowed after such meeting.  The rate of pay will be
      the regular straight time hourly rate including Sunday premium, if
      applicable.

(j)   Disciplinary letters issued to employees will remain in the Company's
      employee file for twelve (12) months.  At the end of the twelve (12)
      month period, the disciplinary letters will not be used against the
      employee in the future for purposes of progressive discipline. DISCIPLINE
      OF ONE WEEK OR MORE WILL NOT BE USED AFTER FIVE YEARS.

      This provision shall not apply if the discipline letter refers to a
      disciplinary suspension of one week or more.

(k)   Where there is a discussion between an hourly employee and a supervisor
      that is intended as a disciplinary measure, the Company requests that a
      grievance committeeman, job steward or other designated employee be
      present.





                                       28
<PAGE>   29
      A "disciplinary measure" shall be limited to the issuing of a reprimand
      or the imposition of a penalty to an employee about which a notation,
      letter or unsatisfactory performance report is subsequently made part of
      the employee's personnel file.

      It shall be the responsibility of the Union to appoint and have available
      on each shift a committeeman, job steward or other employee designated
      for purposes of this section who shall be identified to the Corporation
      in writing.

      It is not the intent of this Section to expand the total number of
      committeemen as provided for in each Local Supplemental Agreement.

(l)   When a grievance involving pay is settled in favor of the Union, the
      employee entitled to such pay shall be paid by the second pay following
      the settlement.

                                   ARTICLE X

                              STRIKES AND LOCKOUTS

(a)   Having provided an orderly procedure for settling all disputes, the
      Company agrees not to lock-out its employees and the Union agrees that
      there will be no strikes or work stoppages during the term of this
      Agreement.

(b)   The Company agrees not to hold the Union liable when such activities are
      not authorized by the Union, provided that the Union within forty eight
      (48) hours orders its members to cease and desist from such activities.

(c)   It shall not be a violation of this Agreement or cause for disciplinary
      action including discharge if an employee refuses to cross a picket line
      that has been established in full compliance with existing laws.  Picket
      lines established as a result of jurisdictional disputes, picket lines
      established for the purpose of organizing in- plant non-bargaining unit
      personnel, and/or informational picket lines are excluded from this
      protection.

      Notwithstanding the above, employees will not honor any picket line
      unless authorized by the International Union.  The International Union
      will not be held liable for any subsequent damage to the Corporation
      resulting from refusal of employees to cross an authorized picket line.

                                   ARTICLE XI

                                     SAFETY

(a)   The Company will, according to its established practice, continue to
      install such safety devices for the protection of the lives and health of
      its employees as are required by the Workmen's Compensation laws of the
      State in which the plants covered by this Agreement are located.  The
      Company will maintain the washhouse with heat, light and plenty of hot
      water, and keep the toilets, fixtures and floors in a sanitary condition,
      and will supply good drinking water wherever necessary about the plant.
      Sufficient equipment and tools shall be maintained in a safe and
      efficient working order, and the regulations and safety codes





                                       29
<PAGE>   30
      adopted by the Department of Labor of the applicable state, in the
      interest of protecting the safety and health of industrial employees as
      they affect this industry, be strictly observed by both parties.

(b)   The Company agrees to furnish first aid and medical service to its
      workers in any cases originating out of their work in the Company plant,
      in compliance with the Workmen's Compensation laws of the applicable
      state. Medical services shall be performed by a doctor to be agreed upon
      by the Company and the plant safety committee, but at the request of the
      injured, and the approval of the Plant Manager and Director of Industrial
      Relations, other medical aid may be called in at the expense of the
      Company for consultation or treatment of any cases.  It is agreed that a
      complete medical examination may be required before an applicant is
      employed.  Also, that complete medical examination may be made annually
      or at any time at the discretion of the Company.  Copies of such reports
      and examinations will be kept on file by the Company and shall at all
      times be available for inspection to such employees.  Copies thereof
      shall be furnished to such employee's designated physician upon request.

(c)   A Joint Safety and Health Committee shall be established consisting of
      four members, two appointed by the Company and two appointed by the Local
      Union.  In the event that a member is absent from a meeting of the
      Committee, his alternate may attend and when in attendance shall exercise
      the duties of the member. The Safety Director or his designee will be the
      fifth member and act as Chairman of the Committee.

      The Joint Committee shall meet as often as necessary, but not less than
      once each month at a regularly scheduled time and place for the purpose
      of jointly considering, inspecting, investigating and reviewing health
      and safety conditions and practices and investigating accidents and for
      the purpose of jointly and effectively making constructive
      recommendations with respect thereto, including but not limited to the
      implementation of corrective measures to eliminate unhealthy and unsafe
      conditions and practices and to improve existing health and safety
      conditions and practices.  All matters considered and handled by the
      Committee shall be reduced to writing, and joint minutes of all meetings
      of the Committee shall be made and maintained.  One union representative
      to the Committee will accompany a Federal or State investigator on a
      walk-around inspection or investigation, and will attend any pre-or
      post-inspection conferences.

      All time spent in connection with the work of the Committee by a Union
      Representative including all time spent in pre-or post-inspection
      conferences and walk-around time spent in relation to Federal and State
      inspections and investigations as provided for above, shall be
      compensated at the employee's regular straight time hourly rate.  Any
      time spent during the hours the employee is scheduled to work shall count
      toward the calculation of any penalty or premium pay section of this
      Agreement including, but not limited to daily or weekly overtime.  Any
      time spent outside of the hours the employee is scheduled to work shall
      not count toward the calculation of any penalty or premium pay section of
      this Agreement.  No time spent outside of the hours the employee is
      scheduled to work shall be compensated at a rate greater than one (1)
      times the employee's regular straight-time hourly rate.

      Any employee who believes his job presents a hazard to his safety or
      health may request an immediate review of his job by the Joint Safety and
      Health Committee.





                                       30
<PAGE>   31
      No employee shall be disciplined or discharged for refusing to work on a
      job if his refusal is based on a bona fide claim that said job is not
      safe or might unduly endanger his health or safety.

(d)   (1)    An employee shall be paid a premium when he is required to:

      A.     work within a kiln during the first ten (10) hours that the kiln
             has been shutdown after it has been operating at a normal level;

      B.     work within a cooler during the first two (2) hours that the
             cooler has been shut down after it has been operating at a normal
             level;

      C.     work within a kiln precipitator during the first four (4) hours
             following the shut down of the kiln providing the precipitator was
             handling the kiln gases at the time of kiln shutdown;

      D.     work within a section of a kiln precipitator or a kiln baghouse
             while the kiln is in operation and the other sections of the
             baghouse or the precipitator are in use.

             The premium shall be calculated by multiplying the regular
             straight time hourly rate by one-half (0.5) for each and every
             hour worked up to the 10, 2, and 4 hours mentioned in A, B, C, AND
             D ABOVE.  Said premium shall be paid in addition to whatever
             compensation the employee is otherwise entitled to receive under
             any other section of this Agreement.

      (2)    Each Plant Safety Committee will meet to determine those areas of
             the Plant where an employee is subject to excessive radiant heat
             for extended periods of time.  The Committee will consider all
             conditions which affect the level of heat encountered including
             ambient air temperature.  Upon making said determination, the
             Committee will decide what the Company shall provide as reasonable
             protective apparel against excessive radiant heat.

      (3)    In the event that an employee is required to work on top of roofs,
             silos, scale a quarry face or work in a silo, UNDER CONDITIONS
             WHERE A PREMIUM HAS CUSTOMARILY BEEN PAID, the hours worked shall
             be compensated for by multiplying the regular straight time hourly
             rate by one-half (0.5) for each and every hour worked UNDER THESE
             CONDITIONS and this work premium shall be paid in addition to
             whatever compensation the employee is otherwise entitled to
             receive under any other section of this Agreement.

(e)   Should the Company require an employee to wear foot protection, the
      Company will furnish such protection without cost to the employee.  The
      liability of the Company with regard to safety shoes will be limited to
      not more than two (2) pair in any one year.  A new pair of shoes will
      only be provided an employee when the worn out pair is turned in for
      replacement. THE COMPANY AGREES TO ALLOW AN $80 REIMBURSEMENT FOR SAFETY
      SHOES BEGINNING MAY 1, 1998.  THIS ALLOWANCE IS TO BE INCREASED BY $2.50
      ON THE ANNIVERSARY DATE EACH YEAR OF THE AGREEMENT.





                                       31
<PAGE>   32
(f)   If a mandatory eye protection program is adopted: (1) the Company will
      pay for the cost of the eye examination if safety glasses with corrective
      lenses are required; (2) the Company will pay for safety glasses whether
      or not the glasses require corrective lenses.  Safety glasses with or
      without corrective lenses will not be replaced more than once a year
      unless broken or otherwise damaged on the job.

(g)   The Company shall furnish all tools and equipment for its employees
      except to repairmen and other skilled trades, in which case these
      employees shall furnish their own hand tools.  "Hand tools" as used
      herein shall not include socket sets, wrenches more than twelve (12)
      inches long, and all other specialized tools incident to the work of the
      mechanical, maintenance and skilled trades.  Any hand tool that the
      employee uses in the performance of his job duties will be replaced by
      the Company if they are broken, worn out, lost or stolen.  Unusable tools
      will be presented to the Company prior to replacement.  Lost or stolen
      tools must be immediately reported to the Company for replacement
      approval.  Employees temporarily transferred to maintenance
      classifications shall be supplied with necessary tools.

(h)   The Furnishing of Gloves:  The Company will continue its existing local
      practices regarding the furnishing of gloves.

      Employees who are not presently receiving gloves under existing local
      practices shall receive one pair of gloves at the beginning of each
      contract year, and each such employee shall receive a maximum of one
      additional pair per contract year from the Company upon return of his
      worn out gloves.

      In the event such an employee wears out and returns the two pairs of
      gloves provided to him, the Company shall sell him an additional pair of
      gloves for each worn out pair of Company provided gloves he returns.
      Said gloves shall be sold to the employee at the price paid by the
      Company.

(i)   If the Company requires an employee to take a physical examination, the
      Company agrees to pay for the physical examination and also agrees to pay
      the employee at his straight time hourly rate for all time spent in the
      doctor's office taking the physical examination; provided, however,
      employees receiving S & A and/or Workmen's Compensation benefits are not
      entitled to any compensation under this section.  (Doctor releases for
      returning to work are not considered physical examinations and will not
      be paid under this section).



                                  ARTICLE XII

                                MILITARY SERVICE

(a)   The Company and the Union shall comply with the Universal Military
      Training and Service Act of 1950, as amended.

(b)   Active employees with one year seniority and who are in the Reserve of
      any branch of the military service, including the National Guard, who are
      required to attend a summer





                                       32
<PAGE>   33
      encampment as part of their Reserve obligation shall receive from the
      Company the difference between the amount of pay received for such
      encampment and his regular straight time hourly rate of pay for up to a
      maximum of two (2) weeks per calendar year.

                                  ARTICLE XIII

                     SUPPLEMENTAL UNEMPLOYMENT BENEFIT PLAN

The Company agrees to pay out of its funds (and not out of the Trust Fund
established under Article III of the Plan) benefits in amounts equal to those
provided by Section 2 of Article VIII of the Plan upon termination of
employment on or after May 1, 1965, after an employee (as defined in Section 6,
Article II of the Plan) is sixty-five years old, provided such employee is not
eligible for a pension under the current Pension Plan for Hourly Employees of
the Company.

The foregoing to the contrary notwithstanding, the above payment shall not be
paid directly by the Company until termination benefits paid from the Trust and
Contingent Funds exhaust those funds.

                                  ARTICLE XIV

                                 SUBCONTRACTING

(a)   The Company will not contract for production or maintenance work
      customarily performed by its own employees unless it is more economical,
      expeditious, and/or efficient to do otherwise.

(b)   The Company may enter into contract arrangements for obtaining raw
      materials, semi-finished or finished products.

(c)   Notwithstanding the above, the Company will not contract or subcontract
      work covered by Paragraphs (a.) or (b.) above if it will directly result
      in the 1) laying off of (or failure to recall qualified) bargaining unit
      employees, or 2) the reduction of hours of bargaining unit employees
      below 40 hours a week; or 3) reduction of employees to a lower rated
      classification.

      It is understood that layoffs attributable to such things as inventory or
      production adjustments, changes in methods, processes or technologies,
      and/or break downs or failure of equipment power failure or any
      conditions beyond the control of the Company, are specifically exempted
      from this commitment.

(d)   Further, (a), (b) and (c) above does not apply to new construction or to
      construction involved in major modification work.

(e)   The Company agrees to notify the Local Union in writing with a copy to
      the International or District Representative who services the Local
      Union, sent by registered mail, at least fourteen (14) days in advance if
      reasonably possible, and to meet with the Union, upon request by the
      Union, for explanation of the reasons causing the Company to decide to
      contract any production and maintenance work.  The parties agree that
      while notification is





                                       33
<PAGE>   34
      an important part of the working relationship between the parties and
      should be adhered to in order to reduce the number of disputes concerning
      sub-contracting the parties also recognize and agree that this Section of
      the Contract does not require any penalty when the Company fails to give
      proper written notice of its intention to sub-contract.


                                   ARTICLE XV

                                 MISCELLANEOUS

(a)   The Company will enter into a Union label agreement for the Company's
      packaged products.

(b)   All basic, supplemental, pension, S.U.B. and insurance agreements will be
      printed at the Company's expense and will bear the Union label. The
      Company will provide each local with a supply of the booklets.  The
      Company will print all Agreement booklets in large and legible type.

(c)   If the Union alleges that a Leadman or Temporary Foreman is exceeding or
      abusing his authority or that his actions violate the Contract, the Union
      may grieve their allegations directly to the Plant Manager. The Company
      will notify the employees involved whenever a Leadman or Temporary
      Foreman is being assigned.

                                  ARTICLE XVI

                                     401(k)

      THE COMPANY WILL ESTABLISH A 401(k) PLAN TO BEGIN AUGUST 1, 1998 WITH
      EMPLOYEE CONTRIBUTIONS UP TO 4% TO BE MATCHED 50% BY THE COMPANY.
      BEGINNING MAY 1, 2000, EMPLOYEE CONTRIBUTIONS UP TO 5% TO BE MATCHED 50%
      BY THE COMPANY, AND MAY 1, 2002 EMPLOYEE CONTRIBUTIONS UP TO 6% TO BE
      MATCHED 50% BY THE COMPANY.



                                  ARTICLE XVII

                               TERM OF AGREEMENT

(a)   This Agreement shall be binding upon the parties hereto, their
      successors, administrators, executors and assigns.  In the event of the
      sale or lease by the Company of any of the plants covered by this
      Agreement, or in the event the Company is taken over by sale, lease,
      assignment, receivership or bankruptcy proceeding, such operations shall
      continue to be subject to the terms and conditions of this Agreement for
      the life thereof.

      The Company will notify the Union immediately prior to any Company press
      release concerning the intended sale or completed sale of a Plant.





                                       34
<PAGE>   35
      The Company shall give notice of the existence of this Agreement to any
      purchaser, lessee or assignee of said plant.  Such notice shall be in
      writing with a copy to the Union not later than the effective date of the
      sale.

(b)   After ratification by the members of the Local Unions this Agreement
      shall become effective and remain in full force and effect and be binding
      upon the parties hereto from the date ratification is certified by the
      International Union to and including April 30, 2004 and it shall continue
      in full force and effect thereafter from year to year until either party
      on or before March 1st of any year, beginning March 1, 2004 gives written
      notice to the other party of its desire or intention either to alter or
      modify or to terminate the same. If such notice is given, the parties
      hereto shall begin negotiations not later than March 31st in such year
      and this Agreement shall continue in full force and effect until
      completion and signing a new Agreement, provided, however, that after
      such negotiations have continued without reaching an agreement until May
      1st in any year, then either party may terminate this Agreement, at any
      time thereafter upon notice.

(c)   The written notice set forth in (b) above by either party shall contain
      any changes or amendments desired, and only such changes or amendments as
      are contained in the two written notices shall be discussed by the
      conferees.

(d)   The proposals and counter-proposals made by each party shall not be used,
      or referred to, in any way during or in connection with the arbitration
      of any grievance arising under the provisions of the Agreement.

Ratification of this Basic Agreement and the Local Agreements was certified by
J.C. Todd, International Union Representative, on ______________________.

<TABLE>
<S>                                                           <C>
FOR THE MEDUSA CEMENT COMPANY                                 FOR THE UNITED CEMENT, LIME
(DIVISION OF MEDUSA CORPORATION)                              GYPSUM AND ALLIED WORKERS
                                                              DIVISION (Boilermakers Union)

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

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

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


FOR THE CLINCHFIELD PLANT                                     FOR LOCAL D-23

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

- -----------------------------------                           ------------------------------------
</TABLE>




                                       35
<PAGE>   36





August 5, 1987



Mr. August Clavier
THE CEMENT, LIME, GYPSUM AND
ALLIED WORKERS DIVISION
Alpena, Michigan 49707

Dear Mr. Clavier:

This letter will confirm that the Company has not entered into any secret
agreements with any sub-contractors for the purpose of making reductions in
employment at the plants nor does it have any plan to enter into any agreements
the effect of which would be in violation of the sub-contracting clause of the
labor agreement.

Sincerely,



Peter H. Geis
Corporate Director of
Labor Relations




                                      36
<PAGE>   37


                               AGREEMENT BETWEEN

                             MEDUSA CEMENT COMPANY 
                        (Division of Medusa Corporation)

                                      and

              THE CEMENT, LIME, GYPSUM AND ALLIED WORKERS DIVISION
             (INTERNATIONAL BROTHERHOOD OF BOILERMAKERS, IRON SHIP
              BUILDERS, BLACKSMITHS, FORGERS AND HELPERS, AFL-CIO)

                   LOCAL UNION NO. D23 - CLINCHFIELD, GEORGIA

                         LOCAL SUPPLEMENTAL AGREEMENT
                      EFFECTIVE MAY 1, 1998 TO MAY 1, 2004





<PAGE>   38


                              LOCAL UNION NO. D23
                              CLINCHFIELD, GEORGIA


<TABLE>
<S>      <C>                                                                                    <C>
   I     Agreement and Purpose                                                                    1
  II     Union Recognition and Security                                                           1
 III     Management                                                                               2
  IV     Seniority                                                                                2
   V     Working Conditions                                                                       3
  VI     Shift Differentials                                                                      4
 VII     Vacations with Pay                                                                       4
VIII     Holidays                                                                                 6
  IX     Miscellaneous                                                                            6
   X     Term of Agreement                                                                        9
         Wage Rates                                                                              10
         Clinchfield Seniority List                                                              22
</TABLE>





<PAGE>   39

                               AGREEMENT BETWEEN

                             MEDUSA CEMENT COMPANY
                        (Division of Medusa Corporation)

                                      and

                            THE CEMENT, LIME, GYPSUM
                          AND ALLIED WORKERS DIVISION
             (International Brotherhood of Boilermakers, Iron Ship
              Builders, Blacksmiths, Forgers and Helpers, AFL-CIO)

                              LOCAL UNION NO. D23
                              CLINCHFIELD, GEORGIA

                                   ARTICLE I

                             AGREEMENT AND PURPOSE
                                (B.A. Article 1)

(A)   This Agreement is by and between the Medusa Cement Company, hereinafter
      called the "Company" and the Cement, Lime, Gypsum and Allied Workers
      Division, Local Union No. D23 affiliated with the Cement, Lime, Gypsum
      and Allied Workers Division (International Brotherhood of Boilermakers,
      Iron Ship Builders, Blacksmiths, Forgers and Helpers, AFL-CIO)
      hereinafter called the "Union" and is supplemental to and a part of the
      Basic Agreement dated May 1, 1998 by and between the Company and the said
      Division.


                                   ARTICLE II

                         UNION RECOGNITION AND SECURITY
                               (B.A. Article II)

Section 1.     The Plant Committee shall consist of employees designated by the
Union.  The Committee shall consist of six members regardless of the number of
departments.  However, no more than two members from any one department nor
more than one member from a single classification in any one department may be
a member, unless there are ten or more employees in a single classification, in
which case, two members may be from that classification.

Section 2.     The Company is willing to meet, at any time, that will not
interfere with the operation of the mill, any of its employees or
representatives of its employees not connected with competitive companies for
the purpose of discussing wages, hours, and working conditions with the object
of reaching a satisfactory agreement.  It is understood, however, that requests
for meetings by either party and the items to be discussed will be presented in
writing to the proper officials of either party a reasonable time prior to the
date of the meeting.





                                       1
<PAGE>   40
Section 3.     The Company will mark and provide two (2) Bulletin Boards (one
at Plant and one at Quarry) to be used by the Union only and will provide the
Union with a lock and key for the boards, provided the information posted is
limited to notices of bona fide activities and meetings of the Union.  Other
information or postings shall be approved by the Company.


                                  ARTICLE III

                                   MANAGEMENT

(A)   The Agreement recognizes the inherent right of the Company to conduct its
      business in all particulars, except as modified herein and in the Basic
      Agreement.

(B)   The Management of the plant and direction of the working force, and the
      right to hire and discharge are vested exclusively in the Company.  The
      Company agrees to show reasonable cause for discharge if requested to do
      so within ten (10) days.

                                   ARTICLE IV

                                   SENIORITY
                               (B.A. Article 111)

Section 1.     Any employee detained from work on account of sickness or for
any other good reason shall notify the Supervisor of Safety and Employee
Relations, or his Foreman, as soon as possible.  Any employee on leave shall
notify his foreman at least eight (8) hours prior to returning to work.

Section 2.     Postings and "bids" for Laboratory positions, above "Mixmen"
shall be limited to qualified Mixmen.  Similarly, employees in such higher
classifications shall not be subject to being "rolled" by plant employees,
other than qualified Mixmen, nor may they "roll" other Mixmen.

Section 3.     Clerical employees shall be considered a separate seniority
group.  Such employees shall not be subject to displacement, during periods of
temporary plant shutdown or layoff, by other plant employees, nor shall they,
under similar circumstances, displace other plant people.

Section 4.     Clerical employees' daily schedules shall be eight (8) hours and
the weekly schedule five (5) days, Monday through Saturday, with alternating
Saturdays off.

Section 5.     An employee in the Store Room Clerk Classification may not bid
out of that classification prior to completing five years in the classification
without the Company's permission.

Section 6.     Any employee absenting themselves from work for five (5)
consecutive days without good and satisfactory reasons may be discharged and
dropped from the seniority list and payroll of the Company.





                                       2
<PAGE>   41
                                   ARTICLE V

                               WORKING CONDITIONS
                                (B.A. Article V)

Section 1.     The Company reserves the right to call out the quarry employees
on any or all six working days.

Section 2.     Any charge of favoritism in promotions or in any other matter,
supported by proof, shall be considered a grievance under this contract.

Section 3.     Overtime in the various departments shall be equally
distributed, insofar as is practicable, among the employees on the classified
jobs involved, providing such employees are working on such jobs at the time
the overtime is required.

Section 4.     The Company will allow an employee in a higher or equal rated
job to bid for the Relief Mixman job, however, when a higher rated employee who
has been awarded the job performs such work, he will be paid at the Mixman's
rate of pay.

Section 5.     If an employee who does not receive a paid lunch is notified
prior to the end of his shift that he is to return prior to the start of his
next scheduled shift, he shall receive a break no earlier than four hours after
he returned to work.  The timing of this break shall be determined by the
employee's foreman and the efficient operation of the plant shall be
controlling.  The 15 minute break shall be strictly construed to be the total
time away from the job.  Under no circumstances can this break occur more than
24 hours after he originally started work on the day in question.





                                       3
<PAGE>   42
                                   ARTICLE VI

                              SHIFT DIFFERENTIALS
                              (B.A. Article VIII)

Section 1.      Any employee beginning work on a scheduled shift and who works
into the succeeding shift shall receive the shift differential applicable to
the shift on which the additional hours are worked.  No differential will be
paid for work on the day shift.

Section 2.      An employee who begins to work at a time not specified as a
designated shift shall be paid a differential of 52 cents per hour for all
hours worked by him during the scheduled second shift, and a differential of 75
cents per hour for all hours worked by him during the scheduled third shift.

Section 3.      For the purpose of this Article:

                (a)    All shifts beginning between 7:00 a.m. and 11:00 a.m.
                       inclusive shall be considered day shifts.

                (b)    All shifts beginning between 3:00 p.m. and 7:00 p.m.
                       inclusive shall be considered the second shift.

                (c)    All shifts beginning between 11:00 p.m. and 2:00 a.m.
                       inclusive shall be considered the third shift.


                                  ARTICLE VII

                               VACATIONS WITH PAY
                               (B.A. Article Vl)

Section 1.     In accordance with Article Vl(a) of the Basic Agreement, any
employee who works during at least thirteen (13) weeks of the next previous
contract year shall be granted a vacation off work without loss of pay,
according to the schedule in Section (b) of Article Vl of the Basic Agreement.

Section 2.     An employee absent for a full workweek solely because of illness
or injury shall be considered to have received pay in that workweek and
provided, further, that no more than four and one-half (4-1/2) such workweeks
of absence shall be so counted in the next previous contract year in
determining vacation eligibility.

Section 3.     Vacation will not be cumulative but may be arranged at any time
between January 1 and December 31st, at the option of the Company management,
and they shall be scheduled to agree with the employee's wishes insofar as is
possible if he expresses a choice in writing.  In cases of conflict, seniority
shall determine priority of choice.  In exercising its rights to schedule
vacation periods, the Company will not require any employee who is on layoff to
take his vacation during period of plant shutdowns or curtailment of
operations.





                                       4
<PAGE>   43
Section 4.     All vacations shall start at the beginning of the workweek as
defined.  The Company will pay vacation compensation to an employee at the
start of his vacation upon written request to the Plant Manager.

Section 5.     Employees entitled to two (2) or more weeks of vacation may be
permitted to take such vacation in separate periods of not less than one (1)
week each.

      Vacation preference can be exercised by the following procedure:

      A.     Each employee will be allowed to select an initial vacation period
             of not more than two (2) weeks.  In case of conflict, seniority
             shall determine priority of choice.

      B.     Each employee will be allowed to select subsequent vacation
             periods of not more than one (1) week.  In case of conflict,
             seniority shall determine priority of choice.

      C.     AT THE OPTION OF THE EMPLOYEE, ONE WEEK OF HIS VACATION MAY BE
             TAKEN IN SINGLE DAYS, PROVIDED THAT HE STATES HIS INTENTIONS WHEN
             SELECTING HIS VACATION AT THE START OF THE CALENDAR YEAR.

             WHEN MAKING THE FINAL SELECTION OF THE SINGLE VACATION DAYS, THE
             EMPLOYEE SHALL GIVE AS MUCH NOTICE AS POSSIBLE BUT NOT LESS THAN
             72 HOURS AND REQUEST APPROVAL BY THE PLANT MANAGER TO TAKE THE
             VACATION DAYS CHOSEN. THIS REQUEST SHALL NOT BE UNREASONABLY
             WITHHELD.

             IF AN EMPLOYEE'S SCHEDULE IS CHANGED AFTER THE THURSDAY POSTING AS
             A RESULT OF ANOTHER EMPLOYEE TAKING A VACATION DAY ONE DAY AT A
             TIME, THERE SHALL BE NO SCHEDULE PENALTY PAID TO SUCH EMPLOYEE.

             SINGLE DAY VACATION WHICH IS NOT SCHEDULED AND APPROVED BY
             SEPTEMBER 1 OF EACH YEAR WILL BE SCHEDULED BY MANAGEMENT.

      It is understood and agreed that the Company will begin requesting
vacation preference selections no sooner than one (1) month prior to the
beginning of the calendar year when such vacations become due, and the Company
will be allowed to schedule any vacation periods requested from an employee for
which the employee fails to submit a selection within three (3) days following
the notification of the request for the vacation selection.

         This agreement does not modify or limit the Company's right to
schedule vacations contained in Article VI(D) of the Basic Agreement between
the Company and the International Union.

Section 6.     Employees who have one (1) or more years of service and who are
separated from service for any reason will receive vacation pay due them on the
following basis: One-twelfth (1/12) vacation credit for each one hundred (100)
hours worked in his current calendar year.

         In the event the employment of any such employee is terminated for any
reason, the Company shall pay to the employee, or to his beneficiary in the
event of his death, all vacation pay due.





                                       5
<PAGE>   44
Section 7.       Company scheduled vacations may be canceled at the employee's
option during periods of layoff due to plant shutdown or curtailment of
operation.  Employees so involved shall lose seniority selection for
rescheduled vacation weeks.

Section 8.       Eligibility to bid on and hold vacation relief jobs:

         Classified employees can hold one (1) bid relief job of equal or
greater pay.

         Laborers can hold two (2) bid relief jobs.

         (Relief jobs as referred to here are jobs which are held by an
employee in addition to his classified job and does not refer to jobs such as
Quarry Vacation Relief Man, Relief Man-Raw, Relief Man-Burning, Relief
Man-Yard, and Relief Man-Quarry).

Section 9.       Scheduling of vacation during week of Christmas:

         Senior employees will not be allowed to take Christmas week every year
if they are junior employees desiring to have this week off who have not had it
since the senior employees have.

Section 10.      Assignment of Vacations:

         Whenever it is necessary to assign vacations, assignments will be made
on the basis of one (1) week to each employee beginning with the junior
employee.

Section 11.      Rate of pay for Quarry Vacation Relief Man during his personal
vacation periods and holidays:

         The employee permanently classified as Quarry Vacation Relief will be
paid Bracket 12 whenever he is on vacation and for holidays not worked.

                                  ARTICLE VIII

                                    HOLIDAYS
                               (B.A. Article VII)

Section 1.     Holidays recognized are New Year's Day, Washington's Birthday,
Martin Luther King's Birthday, Memorial Day, Independence Day, Labor Day,
Columbus Day, Veteran's Day, Thanksgiving Day, December 24th, Christmas Day.
When Christmas Eve falls on Sunday, holidays will be observed on Saturday and
Monday.

                                   ARTICLE IX

                                 MISCELLANEOUS
                               (B.A. Article XV)

Section 1.     Requirement that maintenance employees progressing to Repairman
be able to weld:





                                       6
<PAGE>   45
         All upgrading Maintenance Helpers are expected to learn to weld as
part of their training toward Repairman classification.

Section 2.     Filling of vacancies in clerical group:

         While vacancies in clerical group are not subject to bidding
procedure, the Company will post a notice so hourly employees can express a
desire to be considered for any vacancy in the group.

Section 3.       The parties reaffirm the understanding that the manning of the
plant and the job duties of each job are determined solely by the Company.

Section 4.       The installation of a Hydra-Life Truck Classification to the
Job Classification and Wage Rate Schedule does not permit the Company to
replace maintenance personnel with laborer without paying maintenance rates.

Section 5.       The Company normally requires a Doctor's statement based on an
employee's past record and the particular circumstances involved in the
particular absence.  Should the Company's supervisor demand a Doctor's
statement under circumstances the Local Committee feels unjustified, this
complaint shall be brought directly to the attention of the Plant Manager who
shall review the complaint for appropriate action.

Section 6.       The classifications assigned to operate the Vulcanizing
machine will be either a plant or quarry maintenance person.  No less than Job
Class 17 will be paid to such employee.

Section 7.       On a particular assignment, if conditions exist which would
pose an immediate threat to the employee's health or safety, he should bring
the condition to his supervisor's attention for his review and appropriate
action.

Section 8.       The parties to this Supplemental Agreement agree to modify
Article V (o) of the Basic Agreement, first paragraph, to read 15 minutes
rather than 30 minutes.

Section 9.       The amount of hours spent on Dust Collector premium will be
updated and posted weekly.

Section 10.      The Company will ensure that the individual(s) who operate the
Lorain Crane are qualified.

Section 11.      The Company and Union agreed to continue local agreements,
#75-1, 76-2, 77-1, 80-1, 80-2 and modified 76-3.

Section 12.      The annual posting of attendance records on the plant bulletin
board is for information purposes.

Section 13.      The Company representatives and plant management will continue
to discuss individual overtime problems with the International Union and Local
Union representatives to continue to resolve problems where applicable.





                                       7
<PAGE>   46
Section 14.      When an employee on a bid job is assigned to replace an
employee who is off work on extended disability, he may request to be returned
to his bid classification after six months and the Company will not refuse such
request without good and sufficient reason.

Section 15.      The Company will review an employee's original
disqualification if he should rebid that job or upon request of the local
committee.

Section 16.      The Company will post job bids in the main office.

Section 17.      The Supervisor will ensure that the phones are answered
properly during Plant shutdowns.

Section 18.      When an employee turns in his worn out safety shoes for
replacement, he may receive rubber safety boots in place of safety shoes if he
so requests.

Section 19.      The parking lot will be maintained in satisfactory condition.

Section 20.      The Company will continue to work with individuals concerning
accommodating their specific problems involving advance scheduling consistent
with the interest of efficient plant operations.

Section 21.      The Company will notify the Union concerning any substantial
change in its waste fuel permit status prior to any Company public announcement
of the change.

Section 22.      The Company will provide some sort of ground cover to prevent
laying in mud when working on mobile equipment in the Quarry.

Section 23.      The Company will continue its efforts to remove pigeons and
will review removal of accumulated pigeon waste in the power house, and other
areas of the plant.





                                       8
<PAGE>   47
                                   ARTICLE X

                               TERM OF AGREEMENT
                               (B.A. Article XVI)

This Agreement shall have the same effective date and term and is subject to
the same conditions and expiration provisions as the Basic Agreement.

IN WITNESS WHEREOF, this Agreement between the parties has been executed by
their duly authorized representatives  ,1998.


<TABLE>
<S>                                                       <C>
FOR THE MEDUSA CEMENT COMPANY                             FOR THE UNITED CEMENT, LIME
(DIVISION OF MEDUSA CORPORATION)                          GYPSUM AND ALLIED WORKERS
                                                          DIVISION (Boilermakers Union)

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

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

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



FOR THE CLINCHFIELD PLANT                                 FOR LOCAL D-23

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

- -------------------------------------                     -------------------------------------
</TABLE>




                                       9
<PAGE>   48
                         WAGE RATES - CLINCHFIELD PLANT

<TABLE>
<CAPTION>
                                                              EFFECTIVE
                                                              ---------
BRACKET          JOB TITLE          5/1/98        5/1/99       5/1/00        5/1/01      5/1/02      5/1/03
- -------          ---------        -------------------------------------------------------------------------

<S> <C>                              <C>          <C>          <C>          <C>         <C>         <C>
1   (1) Laborer                      $13.74       $14.34       $14.89        $15.44      $15.99      $16.64

2   TIRE HANDLER-LABOR                15.91        16.51        17.06         17.61       18.16       18.81

3   Coal Unloader                     16.06        16.66        17.21         17.76       18.31       18.96
    Floorman
    Beltman
    Gypsum Unloader
    Quarry Vacation Relief

4   Vacant                            16.21        16.81        17.36         17.91       18.46       19.11

5   Pump and Binman                   16.36        16.96        17.51         18.06       18.61       19.26
    Sampler
    Raw Bin Man
    Oiler/Laborer
    NO. 830 SWEEPER

6   Oiler                             16.51        17.11        17.66         18.21       18.76       19.41

7   Bulk Weigher                      16.66        17.26        17.81         18.36       18.91       19.56
    Checker
    Truck Driver (yard)
    Fork Lift Operator
    Helper
    Shipping Clerk
    Storeroom Clerk - Progressive
    Lube Man Maintenance - Progressive
    Supersucker Operator

8   Small Payloader Operator          16.81        17.41        17.96         18.51       19.06       19.71

9   Miller                            16.96        17.56        18.11         18.66       19.21       19.86
    Reliefman - Raw
    Hydra-Lift Truck

10  Motor Tender                      17.11        17.71        18.26         18.81       19.36       20.01
    Packers
    Relief Operator - Packing
    Control Attendant Bulk
</TABLE>





                                       10
<PAGE>   49
                         WAGE RATES - CLINCHFIELD PLANT

<TABLE>
<CAPTION>
                                                              EFFECTIVE
                                                              ---------
BRACKET          JOB TITLE            5/1/98     5/1/99        5/1/00     5/1/01       5/1/02      5/1/03
- -------          ---------          ---------------------------------------------------------------------


<S> <C>                               <C>         <C>          <C>        <C>          <C>         <C>
11  Clinker Craneman                  $17.26      $17.86       $18.41     $18.96       $19.51      $20.16
    Locomotive Craneman
    Driller
    Reliefman - Yard
    Storeroom Clerk **
    Crusher Feeder & Cleanup
    Payloader Operator

12  Motor Scraper Operator             17.41       18.01        18.56      19.11        19.66       20.31
    Road Grader Operator                                       
    TRUCK DRIVER - DIESEL                                      
    TRUCK-MOTOR SCRAPER OPERATOR                               
                                                               
13  BULLDOZER OPERATOR                 17.56       18.16        18.71      19.26        19.81       20.46
                                                               
14  Raw Craneman                       17.71       18.31        18.86      19.41        19.96       20.61
                                                               
15  Mixman                             17.86       18.46        19.01      19.56        20.11       20.76
    Prelmo                                                     
                                                               
16  Vacant                             18.01       18.61        19.16      19.71        20.26       20.91
                                                               
17  Shovel Operator                    18.16       18.76        19.31      19.86        20.41       21.06
    Loader Operator (Quarry)                                   
    Repairman                                                  
    Truck Mechanic (Non-Diesel)                                
    Dragline Operator                                          
    Lube Man Maintenance                                       
    Quarry Utility                                             
    Relief Operator - Packing                                  
    Bricklayer                                                 
    Excavator Operator                                         
                                                               
18  Electric Repair                    18.31       18.91        19.46      20.01        20.56       21.21
                                                               
19  Maintenance Electrician            18.46       19.06        19.61      20.16        20.71       21.36
    Physical Tester                                            
    Laboratory Assistant                                       
    Truck Mechanic (Diesel)                                    
    Machinist                                                  
    Analyst
    Instrumentman
    Physical Tester & Relief
</TABLE>





                                       11
<PAGE>   50
                         WAGE RATES - CLINCHFIELD PLANT

<TABLE>
<CAPTION>
                                                              EFFECTIVE
                                                              ---------
BRACKET          JOB TITLE             5/1/98    5/1/99        5/1/00    5/1/01        5/1/02      5/1/03
- -------          ---------          ---------------------------------------------------------------------

<S>                                   <C>        <C>           <C>       <C>           <C>        <C>
20  Vacant                             $18.61    $19.21        $19.76    $20.31        $20.86      $21.51

21(2)Control Room Attendant             18.76     19.36         19.91     20.46         21.01       21.66
    (2)Relief Man - Burning

</TABLE>
When an End Loader is used in the Quarry loading as a supplement to the shovel
or is used at any time in the production process, wage Grade 17 shall apply.

When Small Payloader Operator (less than 4 1/2 Yards) is used, wage Grade 8
shall apply.

When Hydra-Lift Truck is used, Wage Grade 9 shall apply.

(1)      Laborers hired after May, 1998 shall be paid in accordance with the
         following schedule:

<TABLE>
<S>                                   <C>          <C>          <C>         <C>        <C>        <C>
New Hire Rate                         $10.30       10.76        11.17       11.58      11.99      12.48
I     6 Months after D.O.H.            10.99       11.47        11.91       12.35      12.79      13.31
II    1 Year after D.O.H.              12.37       12.91        13.40       13.90      14.39      14.98
III   1-1/2 Years after D.O.H.         13.74       14.34        14.89       15.44      15.99      16.64
</TABLE>

THE COMPANY AGREES TO INCREASE THE NEW HIRE RATE FOR LABORERS TO BEGIN 75% OF
BRACKET 1, AFTER SIX MONTHS SERVICE, 80% OF BRACKET 1, AFTER 12 MONTHS OF
SERVICE, 90% OF BRACKET 1, AFTER 18 MONTHS OF SERVICE, 100% OF BRACKET 1.



(2)          WAGE RATE FOR  CONTROL ROOM ATTENDANT AND RELIEF MAN BURNING
             EFFECTIVE:

<TABLE>
<CAPTION>
                                     5/1/98       5/1/99       5/1/00      5/1/01      5/1/02    5/1/03
                                     ------------------------------------------------------------------

                                      <S>          <C>          <C>         <C>        <C>        <C>
                                      $19.26       20.11        20.91       21.46      22.01      22.66
</TABLE>



**       Future holders of this classification shall progress from Bracket 7 to
         11 in twenty four (24) months if performance is satisfactory.  Review
         will be made every six months.





                                       12
<PAGE>   51
                          MEMORANDUM OF UNDERSTANDING


When an employee is notified before the end of his shift but before he has
clocked out, to return to work, he shall be considered to be on call-out for
pay purposes when he returns to work.

This shall not apply when an employee reports late for such assignment and
sufficient work on that assignment is not available to complete four hours of
work.

This shall also not apply when an employee is told to report early for his next
shift and does not modify Article V(e)(3) of the Basic Agreement.





                                       13
<PAGE>   52




Mr. Thomas Hawkins
Chairman, Local D23
UNITED CEMENT, LIME GYPSUM AND
ALLIED WORKERS' INTERNATIONAL UNION
Clinchfield Plant

Dear Mr. Hawkins:

It is understood by both the Union and the Company that the Director of
Industrial Relations will contact the payroll department of each plant to make
arrangements that will allow for S.U.B. payments to be made by the end of the
second week an employee is laid off.  This arrangement will be made within a
six (6) week period following the ratification of the 1975 contracts by the
Local Union.

It is further understood that any S.U.B. payments made in advance of meeting
the requirement of the existing S.U.B.  agreement between the parties will
remain subject to Section 7, Recovery of Overpayments, of the S.U.B. Agreement.

Very truly yours,



Peter H. Geis
Director of Labor
 Relations & E.E.O.





                                       14
<PAGE>   53
              MEMORANDUM OF CLINCHFIELD LOCAL AGREEMENT NO.  75-1


IT IS UNDERSTOOD AND AGREED BY THE MEDUSA CEMENT COMPANY AND THE UNITED CEMENT,
LIME AND GYPSUM WORKERS' LOCAL NO. 23 THAT A JOB CLASSIFICATION OF GYPSUM
UNLOADER WILL BE ESTABLISHED AT THE CLINCHFIELD PLANT IN PAY GRADE (3).  IT IS
FURTHER UNDERSTOOD AND AGREED THAT THIS JOB CLASSIFICATION IS ESTABLISHED FOR
RATE PURPOSES ONLY AND IS NOT TO BE POSTED FOR BIDS.

THE CONDITIONS OF THIS AGREEMENT WILL BECOME EFFECTIVE ON THE DATE SIGNED BY
BOTH PARTIES.



<TABLE>
<S>                                                       <C>
MEDUSA CEMENT COMPANY                                              LOCAL NO. 23

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

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

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

</TABLE>




                                       15
<PAGE>   54
                 MEMORANDUM OF CLINCHFIELD LOCAL AGREEMENT 76-2

IT IS UNDERSTOOD AND AGREED BY THE MEDUSA CEMENT COMPANY AND THE UNITED CEMENT,
LIME, AND GYPSUM WORKERS' LOCAL NO. 23 THAT WHEN AN EMPLOYEE IS INSTRUCTED BY
MANAGEMENT TO RETURN TO WORK AFTER THE EMPLOYEE HAS PUNCHED OUT, SUCH EMPLOYEE
SHALL BE CONSIDERED TO BE ON CALL-OUT UNDER THE CONDITIONS OF ARTICLE V (e) (3)
OF THE BASIC AGREEMENT.  THIS SHALL SUPERSEDE AND VOID THE PRIOR UNDERSTANDING
AND PAST PRACTICE WHERE AN EMPLOYEE HAD TO HAVE BOTH FEET ON THE GROUND AT THE
BOTTOM OF THE STEPS AT THE TIME CLOCK BEFORE HE WAS ENTITLED TO RECEIVE
CALL-OUT PAY IF ASKED TO STAY.

THE CONDITIONS OF THIS AGREEMENT WILL BECOME EFFECTIVE ON THE DATE SIGNED BY
BOTH PARTIES.


<TABLE>
<S>                                                       <C>
MEDUSA CEMENT COMPANY                                              LOCAL NO. 23

_______________________DATE _______                       _______________________DATE _______

_______________________DATE _______                       _______________________DATE _______

_______________________DATE _______                       _______________________DATE _______

</TABLE>




                                       16
<PAGE>   55
                             MEDUSA CEMENT COMPANY

                               CLINCHFIELD PLANT

LOCAL AGREEMENT NO. 76-3

It is agreed and understood by the Medusa Cement Company and the United Cement,
Lime and Gypsum Workers' Local No. 23 that in the awarding of all future
permanent vacancies, qualifications (skill and ability) gained through
temporary assignment to a job will not be considered in determining the
successful bidder for the job bid.  It is further agreed and understood that
the above interpretation will apply only to the initial job posted for bid, and
will not apply to subsequent jobs posted for bid which result from the vacancy
created by the initial job award.

The conditions of this agreement become effective on September 10, 1976.


<TABLE>
<S>                                                       <C>
MEDUSA CEMENT COMPANY                                              LOCAL NO. 23

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

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

- -------------------------------                           ------------------------------
</TABLE>




                                       17
<PAGE>   56



Additional Language - Local Agreement 76-3


Experience gained through temporary assignment to a job will not be considered
in determining the successful bidder in job brackets 1 through 10, regardless
of whether or not it is an initial bid or subsequent bid.

If the Union determines that evidence indicates that the Company is
pre-training certain employees so that employees are being discriminatorily
selected for a particular job opening, it may present this allegation in the
form of a grievance which will commence at the third step of the grievance
procedure.

If an employee wishes to meet with the Administrative Assistant to exercise his
wish to be trained on another classification, he may do so, and his request
will be given careful consideration.




- -----------------------------------
Peter H. Geis





                                       18
<PAGE>   57



                                    12-13-77


                                AGREEMENT # 77-1

                          RE:  Filling Overtime Needs


It is hereby agreed and understood that when overtime work is needed for
non-shift workers, company management will ask available qualified persons in
the job class involved to do the work.  And if no qualified person accepts the
overtime, then the lowest man in overtime qualified to do the work will be
required to fill the overtime need.

In the case of shift workers, they will still be required to stay on overtime
if necessary until they are relieved.

<TABLE>
<CAPTION>
Date           For the Union                             Date           For the Company
- ----           -------------                             ----           ---------------

<S>            <C>                                       <C>            <C>
- -------        -----------------------                   ------         -----------------------

- -------        -----------------------                   ------         -----------------------
</TABLE>

This letter is not intended by the parties to change the plant's overtime
equalization procedures.



                                    4/24/94





                                       19
<PAGE>   58



                 MEMORANDUM OF CLINCHFIELD LOCAL AGREEMENT 80-1




It is understood and agreed by the Medusa Cement Company and the United Cement,
Lime and Gypsum Workers' Local No. 23 that historically and customarily the
delivery of parts and supplies to the Clinchfield, Georgia plant has been
performed by both bargaining unit and non-bargaining unit employees as well as
numerous vendors, truck drivers, salespersons, suppliers, etc.  This agreement
is to recognize this fact and to reduce the incidents of parts and supplies
being delivered by non-bargaining unit Medusa employees.

It is understood and agreed that the following conditions will become effective
on the date signed by both parties:


           Whenever it is necessary for a Medusa employee to travel beyond a
           fifteen (15) mile radius of the Clinchfield, Georgia plant to pick
           up parts and supplies, a bargaining unit employee will be utilized
           to operate the vehicle except when:

           A.    It is necessary for a non-bargaining unit employee to select
                 or identify the needed parts and supplies.

           B.    A non-bargaining unit employee is already in the vicinity of
                 the location where the parts and supplies are to be acquired.


<TABLE>
<CAPTION>
          UNION                                                     COMPANY
          -----                                                     ------ 
<S>                                                       <C>

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

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

- -----------------------------                             -----------------------------
</TABLE>


                                       20
<PAGE>   59

                 MEMORANDUM OF CLINCHFIELD LOCAL AGREEMENT 80-2



It is understood and agreed by the Medusa Cement Company and the United Cement,
Lime and Gypsum Workers' Local 23 that a job classification of "SUPERSUCKER
OPERATOR" will be established at the Clinchfield Plant in Pay Grade Seven (7).
It is further understood and agreed that this classification is established for
rate purposes only and is not to be posted for bids.

The conditions of this agreement will become effective on the date signed by
both parties.



<TABLE>
<CAPTION>
MEDUSA CEMENT COMPANY                                        LOCAL 23

<S>                                                          <C>
- -----------------------------                                -------------------------------

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

                                                             -------------------------------
</TABLE>



                                       21
<PAGE>   60

                               CLINCHFIELD PLANT

<TABLE>
<CAPTION>
                                  SENIORITY                                              SENIORITY
NAME                              DATE                          NAME                     DATE
- ----                              ----                          ----                     ----

<S>                               <C>                           <C>                        <C>
Marvin Fowler                     02/11/56                      James Felder, Jr.          01/21/74
Richard Tharpe                    01/25/65                      Tom Earl Dean              01/22/74
Charles A. Boswell III            03/17/66                      Alton F. Johnson           01/22/74
Kerney E. Hair                    02/16/68                      Tommy Earl Hawkins         01/28/74
Wayne Earl Sanders                02/19/68                      Thomas C. White            01/28/74
Willie B. Sparks                  02/19/68                      George W. Law              03/14/74
Bobby Ray Law                     02/26/68                      Arzell Jackson             03/26/74
Mike Lamar Goslin                 02/28/68                      Kelly A. Hammock           04/01/74
Jimmy Roy Law, Jr.                07/10/69                      Ruben Smith                04/02/74
Tyrone Mizell                     11/20/69                      Kenneth R. Brannen         04/10/74
James Askew                       08/24/70                      Eddie B. Radford           04/22/74
Linton A. Brannen                 11/16/70                      Richard Brooks             05/14/74
George F. Johnson                 11/16/70                      Robert C. Semple           01/10/78
Larry G. Walton                   11/27/70                      William T. Whiggum         01/16/78
John W. Lockerman                 12/14/70                      Steve A. Harris            01/17/78
James Q. Kemp, Jr.                02/01/71                      George Taylor, Jr.         01/23/78
Marvin Peavy                      02/16/71                      Fred B. Graham             01/23/78
Stephen Thompson                  02/16/71                      Randy Lee Cannon           01/23/78
Jesse W. Lucas                    06/29/71                      Ronnie D. Thompson         01/23/78
Joseph E. Goodroe                 08/09/71                      Tim F. Yawn                01/23/78
Jerry Clarington                  08/31/71                      Billy L. Barrett, Jr.      02/02/78
Arthur C. Singletary              10/12/71                      Clayton D. Bryant          02/13/78
Kenneth Collier                   11/03/71                      Larry B. Peacock           02/21/78
Rayford S. Fendley                03/19/73                      Jordan Cainion             02/27/78
Michael Witherington              03/19/73                      Edward Simon               02/27/78
Johnnie J. Gilbert                04/23/73                      Milton Woolfolk            02/27/78
William Kendrick                  08/28/73                      James Gary Giles           03/06/78
Warren L. Talton                  11/05/73                      Joann Wimberly             03/06/78
Bobby E. Davis                    11/13/73                      Perry T. Streetman, III    03/27/78
Willard F. Carter                 01/02/74                      Milton McWilliams          04/03/78
Bobby W. Doherty                  01/21/74                      Robert Rice                05/30/78
</TABLE>





                                       22
<PAGE>   61
                               CLINCHFIELD PLANT


<TABLE>
<CAPTION>
                                  SENIORITY                                              SENIORITY
NAME                              DATE                          NAME                     DATE
- ----                              ----                          ----                     ----
<S>                               <C>                           <C>                        <C>

Donald R. Williams                10/30/78                      James D. Holmes, III       05/12/87
Jason Dave Harpe                  04/15/79                      Jeffrey T. Preston         05/12/87
Leon Holmes                       10/13/79                      Randall S. Dean            06/02/87
Donald R. Holder                  09/25/84                      Charles W. Walters         09/30/87
David Middlebrooks                09/25/84                      Donald Wright              09/30/87
Danny Benton                      09/28/84                      John Scott, Jr.            04/11/89
Buddy M. Sheffield                05/21/85                      Lonnie F. McClintic        02/27/90
Joe S. Davis                      05/21/85                      Kyle S. Ellis              02/26/91
Danny Solomon                     05/21/85                      Ernest F. Holmes, Jr.      04/02/91
Ernest G. Hardy                   05/21/85                      Calvin Dennis              04/02/91
Donald R. Ussery                  09/04/85                      Andrew R. Kistler          09/18/91
Calvin A. Sheppard                09/04/85                      Frank Howell, Jr.          03/16/93
Robert Wayne Smith                09/24/85                      Ralph Brooks               03/16/93
Billy E. Henry                    09/24/85                      Charles F. Lewis, Jr.      03/16/93
Milton Taylor                     11/19/85                      Corey Norwood              04/06/93
Joseph L. Adams                   11/19/85                      Matthew L. Karros          03/21/95
Andy L. Moss                      02/05/86                      Bettina K. Marshall        03/21/95
Lamar W. Mobley                   02/05/86                      Oscar P. Small             03/21/95
Joseph Spivey                     02/05/86                      *Jaime Rullan, Jr.         03/01/96
Ralph J. Carroll                  05/20/86                      Sammy Page                 04/08/96
Gary W. Bramlett                  07/22/86                      Eric E. Thiele             12/10/96
Rodney Norwood                    07/22/86
Robert G. Layson                  09/02/86
Jimmy Harris                      09/02/86
Benjamin F. Ussery                09/22/86
Gregory M. Dunn                   10/06/86
</TABLE>
                                               * Company Seniority Date 08/01/79





                                       23

<PAGE>   1





                                                                    EXHIBIT 99.3





                                BASIC AGREEMENT

                                    BETWEEN

                             MEDUSA CEMENT COMPANY
                        (Division of Medusa Corporation)

                                      AND

                          THE CEMENT, LIME, GYPSUM AND

                            ALLIED WORKERS DIVISION

                (INTERNATIONAL BROTHERHOOD OF BOILERMAKERS, IRON
              BUILDERS, BLACKSMITHS, FORGERS AND HELPERS, AFL-CIO)

                            ACTING ON BEHALF OF ITS

                                  LOCAL UNION

                        Charlevoix, Michigan, Local D480


                                   EFFECTIVE

                           May 1, 1998 to May 1, 2003
<PAGE>   2

                                BASIC AGREEMENT

<TABLE>
<S>      <C>                                                                       <C>
   I     Agreement and Purpose                                                     1
  II     Union Recognition and Security                                            2
 III     Seniority                                                                 4
  IV     Job Security                                                              7
   V     Working Conditions                                                        16
         Rates of Pay - Overtime                                                   17
         Callouts and Off-Days                                                     18
         Limitations Upon Overtime                                                 20
         Eight Consecutive Hour Rest Premium                                       22
         Wage Rate - Transfer and Assignments                                      23
         Sunday Work                                                               24
         Reporting Pay                                                             24
         Funeral Leave                                                             24
         Jury Duty                                                                 25
         Shift Changes                                                             25
         Wash Time and Rest Breaks                                                 25
  VI     Vacations with Pay                                                        26
 VII     Holidays                                                                  28
VIII     Wages                                                                     30
  IX     Handling of Complaints                                                    31
   X     Strikes and Lockouts                                                      37
  XI     Safety                                                                    38
 XII     Military Service                                                          42
XIII     Supplemental Unemployment Benefit Plan                                    42
 XIV     Subcontracting                                                            43
  XV     Miscellaneous                                                             44
 XVI     Term of Agreement                                                         44
         Attachment A                                                              47
         Attachment B                                                              49
         Attachment C                                                              50
</TABLE>





                                       2
<PAGE>   3



                               AGREEMENT BETWEEN
                             MEDUSA CEMENT COMPANY
                        (Division of Medusa Corporation)

                                      and

                      THE UNITED CEMENT, LIME, GYPSUM AND
                            ALLIED WORKERS DIVISION
             (International Brotherhood of Boilermakers, Iron Ship
              Builders, Blacksmiths, Forgers and Helpers, AFL-CIO)
                                and Local D-480

                     Effective May 1, 1998 thru May 1, 2002

                                   ARTICLE I

                             AGREEMENT AND PURPOSE


(a)       This Agreement is by and between Medusa Cement Company, a Division of
          Medusa Corporation, hereinafter called the "Company", and the Cement,
          Lime, Gypsum and Allied Workers Division (International Brotherhood
          of Boilermakers, Iron Ship Builders, Blacksmiths, Forgers and
          Helpers, AFL-CIO), hereinafter called the "Union", acting on behalf
          of its Local Unions, whose members are employees of Medusa Cement
          Company.

(b)       The Company and the Local Union at each plant have negotiated a Local
          Agreement.  Each Local Agreement has the same effective date and the
          same expiration date as this Basic Agreement.  Local Supplemental
          Agreements shall not conflict or serve to modify provisions of this
          Basic Agreement.

(c)       It is the policy of the Company and the Union that the provisions of
          Agreement shall be applied to all employees without regard to race,
          color, sex, age, religious creed, national origin, handicap or
          Vietnam Era Veteran status.

          The Masculine words "he", "his" and "him" as used in this Agreement
          also shall mean the feminine words, "she" and "her".





                                       3
<PAGE>   4
                                   ARTICLE II

                         UNION RECOGNITION AND SECURITY

(a)       The Company recognizes the Union as the exclusive representative for
          all hourly rated production, maintenance, quarry and laboratory
          employees, excluding all office employees and all supervisors as
          defined by the National Labor Relations Act, as amended, for the
          purposes of collective bargaining in respect to wages, hours and
          working conditions at its plants located at:


                       Charlevoix, Michigan, Local D480

(b)       It shall be a condition of employment that all employees of the
          Company covered by this Agreement who are members of the Union in
          good standing on the execution date of this Agreement shall remain
          members in good standing and those who are not members in good
          standing on the execution date of this Agreement shall on the
          thirtieth (30th) day following the execution date of this Agreement
          become and remain members in good standing in the Union. It shall
          also be a condition of employment that all employees covered by this
          Agreement and hired on or after its execution date shall on the
          thirtieth (30th) day following the beginning of such employment
          become and remain members in good standing in the Union.

(c)       The term "employee" as used in this Agreement refers only to an
          employee whose job is set forth in the Job Classification list
          attached to each Local Agreement or any subsequent job added to the
          list during the term of the Agreement.

(d)       The Company will deduct from the monthly earnings of any of its
          employees his Initiation Fee and Union Membership Dues and will pay
          the same to the party to whom such employee directs the Company in
          writing. Each such employee desiring such deduction to be made from
          his earnings must present to the Company his signed order, which
          shall be substantially as follows:

          "I hereby authorize and direct the Medusa Cement Company to deduct
          and pay from my earnings accumulated to my credit my Initiation Fee
          and Union Membership Dues, and pay same to ............ I further
          agree to hold the Medusa Cement Company harmless on account of
          deductions and payment herein authorized."

          Medusa Cement Company ...

          _____________________________
          Timekeeper

          Employee Clock No.____________





                                       4
<PAGE>   5
          This authorization may be canceled by the Union member on any
          anniversary date of this Agreement upon thirty (30) days prior
          written notice to the Company and the Union.

(e)       The union shall furnish to the Plant Manager a written list of the
          names of employees who will serve on the committee. The number
          employees on the committee shall be defined by each Local Agreement.
          If a vacancy occurs on the committee, the Plant Manager, shall be
          informed by letter of the name of the new member before a meeting is
          held.  No other members of the Union who are employees at the Plants
          are eligible to attend these meetings unless previously agreed to by
          the parties hereto.

(f)       Notwithstanding the provisions of Article II (b) above, any employee,
          who is a member of and adheres to established and traditional tenets
          or teachings of a bona fide religion, body or sect which has
          historically held conscientious objections to joining or financially
          supporting labor organizations shall not be required to join or
          financially support the Union as a condition of employment; provided,
          however, that each such employee shall, as a condition of his or her
          employment, in lieu of the payment of periodic dues and initiation
          fees to the Union, pay sums equal to such dues and initiation fees to
          any one of the follow nonreligious charitable funds, which are exempt
          from taxation under' Section 501(C)(3) of the Internal Revenue Code:

                      1.          City of Hope
                      2.          American Cancer Society
                      3.          American Heart Association
                      4.          National Multiple Sclerosis Society
                      5.          American Red Cross

          It is expressly understood that any such employee holding
          conscientious objections and choosing not to join or financially
          support the Union, who requests the Union to use the grievance
          arbitration procedure on the employee's behalf, shall be required to
          pay to the Union the reasonable cost of processing any grievance on
          his or her behalf including reasonable cost of arbitration if any.
          (Because of State law this does not apply to Local D23 at
          Clinchfield, Georgia.)

(g)       Upon receipt from an employee authorizing payroll deduction and
          specifying the amount to be deducted, the Company will deduct
          voluntary contribution to the City of Hope. All amounts so deducted
          shall be remitted by the Company to the City of Hope.

          The Company shall be held harmless from any claim, demand or action
          arising out of such deductions.Employees contributing to the City of
          Hope a cannot discontinue or change such contributions for one year.





                                       5
<PAGE>   6
                                  ARTICLE III

                                   SENIORITY

(a)       The seniority unit shall be plant-wide.

(b)       Seniority is continuous service which shall be calculated from date
          of first employment or re-employment following a break in continuous
          service, whichever occurs later.

          When two or more employees are hired on the same day, the employee
          with the lowest last four (4) digits in their social security number
          shall be senior to the employee with the highest last four (4)
          digits.  This paragraph is effective May 10, 1978.

(c)       New employees and those hired after a break in continuity of service
          will be regarded as probationary employees for the first sixty (60)
          days of wor and will receive no continuous service credit during such
          period.  Probationary employees may file and process grievances under
          this Agreement, but may be laid off or discharged as exclusively
          determined by the Company. Probationary employees who continue in the
          service of the Company subsequent to the first sixty (60) days of
          work shall receive full continuous service credit from date of the
          most recent hiring.  THE PROBATIONARY PERIOD MAY BE EXTENDED AN
          ADDITIONAL THIRTY (30) DAYS OF WORK BY MUTUAL AGREEMENT OF THE
          COMPANY AND THE UNION.

(d)       An employee covered by this Agreement shall lose his entire seniority
          if:

          (1)         He voluntarily quit;

          (2)         He is discharged for cause and not rehired within six (6)
                      months or reinstated;

          (3)         An employee's seniority shall be broken and his
                      employment terminated effective on date of his acceptance
                      of Termination benefits under the provisions of the
                      Supplemental Unemployment Benefit Plan Agreement;

          (4)         The employee is on layoff or disability for a period of
                      three years or 50% of his seniority attained at the start
                      of such absence, whichever is less.

(e)       A leave of absence for the purpose of accepting a position with The
          Cement, Lime, Gypsum and Allied Workers Division at the Local,
          district, or international level, or the AFL-CIO or any of its
          subordinate bodies, shall be available to not more than three (3)
          employees from each plant at any one time. Applications for such
          leave shall be submitted to the Company in writing thirty (30) days
          prior to the effective date of such leave to permit proper provisions
          to be made to fill the job to be vacated. Leaves of absence for this
          purpose shall be for an indefinite period. During such leave,
          seniority shall accumulate. Group insurance coverage shall be
          suspended after thirty (30) days of such leave.





                                       6
<PAGE>   7
          All insurance coverages will be reinstated upon returning to work
          with the Company.  Upon returning to work such employee will be
          reinstated on his former job, providing it is still in existence; if
          not, he shall be eligible to apply for any job within the bargaining
          unit by means of the existing bidding procedure or by bumping.

(f)       The Company shall attach to each Local Agreement a list of employee's
          seniority dates in order of hiring and a list of the probationary
          employees.

(g)       Temporary summer employees may be employed by the Company from May
          1st through September 30th in order to facilitate filling of
          vacancies caused by vacations during these months. Employment of
          summer employees will be subject to the following conditions:

          (1)         No summer employee will be hired when any regular
                      employee is on layoff or drawing short workweek benefits.

          (2)         All summer employees will be required to join the Union
                      under the same terms and conditions as required in
                      Article II, Sections (b) and (d) of the Basic Agreement.

          (3)         All summer employees must sign an appropriate form which
                      will spell out the terms of their employment including
                      but not limited to an agreement to commence their
                      employment on a specified date and terminate their
                      employment on a specified date. Such dates must be in
                      accordance with the time period specified in this
                      section.

          (4)         The term of employment will not be changed, altered or
                      extended unless mutually agreed to by both the Company
                      and the Local Union Committee.

          (5)         Summer employees shall not accumulate seniority nor be
                      eligible to bid on any new job or vacant job which may
                      occur during their terms of employment.

          (6)         A summer employee will not become eligible for a floating
                      holiday and will not have any vacation rights.

          (7)         Summer employees will not participate in the Company's
                      pension, S.U.B. and insurance programs.

          The above will be in full force and effect, except that if any
          portion is found to be contrary to any federal, state or local law,
          it shall be changed to comply with said law.


                                   ARTICLE IV

                                  JOB SECURITY

(a)       (1)         Whenever the installation of mechanical equipment, change
                      in production methods, the installation of new or larger
                      equipment, the combining of jobs or the elimination





                                       7
<PAGE>   8
                      of jobs, will have an effect on the job status of one or
                      more employees, the Company will give the Union
                      reasonable advance notice of same and, upon request by
                      the Union, will promptly meet with the Union to review
                      and explore the effects of such installation or
                      installations or change or changes upon the working
                      force.

          (2)         Employees will not be terminated by the Company as the
                      result of mechanization, automation, change in production
                      methods, the installation of new or larger equipment, the
                      combining of jobs or the elimination of jobs.

          (3)         Whenever an employee is no longer needed on his regular
                      job as a result of circumstances described in (1) above,
                      such employee may apply for any job or jobs within the
                      bargaining unit on which an incumbent has less seniority,
                      and for which he could reasonably be expected to qualify
                      within a ninety (90) day on-the-job training period
                      unless the employee applying for such job is disqualified
                      due to physical reasons.

                      The rate of pay for such employee shall not be less than
                      ninety-five percent (95%) of the rate for the regular job
                      from which he was displaced, irrespective of the rate of
                      the job which he applies for and obtains.

                      The ninety-five percent (95%) of rate protection shall
                      apply for a minimum period of one (1) year, or a period
                      equal to one-third (1/3) of an employee's seniority up to
                      a maximum of two (2) years.  If the affected employee is
                      tendered training for a job which he could be reasonably
                      expected to qualify for with a ninety (90) day on-the-job
                      training period and refuses, he will not be entitled to
                      any rate protection unless he has a bona fide reason for
                      refusing.  If an employee on ninety-five (95%) percent
                      rate protection subsequently bids on and is awarded a
                      lower rated job, he shall lose his rate protection.

          (4)         Employees affected by the application of the foregoing
                      procedures shall have and may exercise the same rights
                      for retention and on-the-job training in accordance with
                      their seniority status and the ninety-five percent (95%)
                      rate guarantee shall also be applicable to them.

          (5)         Employees who do not apply for and/or obtain a job in
                      accordance with the provisions of (3), including
                      employees displaced from their jobs but whose seniority
                      status does not permit them to utilize job retention
                      rights under the provisions of (3) or (4) will be placed
                      on layoff status with recall rights in line with their
                      seniority status for job vacancies which may thereafter
                      occur.

          (6)         The provisions of (3) of this Section do not apply to
                      displacements or layoffs resulting from production
                      curtailments, except that employees laid off and not
                      recalled when production is resumed following curtailment
                      will be entitled to the same rights as employees affected
                      by the preceding (3).





                                       8
<PAGE>   9
          (7)         Should the Company permanently shutdown the present
                      facilities affording employment to the employees
                      comprising the bargaining unit (the present facilities
                      shall be deemed to have been permanently shutdown if all
                      productive facilities are abandoned even though the
                      shipping facilities continue to operate), the Company
                      shall mail a notice informing each affected employee that
                      his employment with the Company has been terminated
                      because of the permanent shutdown.  The notice shall be
                      mailed at least ninety (90) days prior to the shutdown to
                      the employee's last address on the Company's records.
                      Each employee who is mailed said notice shall have the
                      following options:

          A.          An employee who is not eligible for a normal (excluding
                      thirty (30) year retirement pension) or late retirement
                      pension may elect to transfer to another operation of the
                      Company covered by a collective bargaining agreement with
                      the Union in accordance with paragraph 8 or paragraph 9.

                      Any transfer pursuant to paragraph 8 or 9 will occur not
                      later than three (3) years after the last day the
                      employee worked. An employee awaiting transfer shall be
                      placed on layoff and shall receive S.U.B. Layoff or
                      reduced layoff benefit provided the eligibility and other
                      requirements of the S.U.B. Plan are met.  An employee may
                      void

                      his election to transfer at any time during the three (3)
                      year period.  If the employee is eligible for an
                      immediate pension at the time he voids his election to
                      transfer, he shall retire, effective the date he voids
                      his election, under the pension plan in effect at the
                      time of the permanent shutdown.  An employee may also
                      void his election in order to apply for S.U.B.
                      Termination benefits.

          B.          An employee who is eligible for an immediate pension at
                      the date of the permanent shutdown shall retire as of the
                      effective date of the permanent shutdown, except

                      1.          An employee whose combined age and years of
                                  service equal 62 or more but less than 65 may
                                  elect layoff until his combined age and years
                                  of service equal 65 at which time the
                                  employee shall retire and receive a permanent
                                  shutdown pension. The pension plan in effect
                                  at the time of the permanent shutdown shall
                                  determine the retirement benefits payable to
                                  the employee. An employee who elects layoff
                                  under these conditions shall receive S.U.B.
                                  Layoff or reduced layoff benefits provided
                                  the eligibility and other requirements of the
                                  S.U.B. Plan are met.

                      2.          An employee who is eligible for an immediate
                                  pension other than a normal or late
                                  retirement pension and who elects to transfer
                                  to another operation of the Company shall not
                                  retire unless the transfer is not
                                  accomplished.

                      3.          An employee shall not be required to retire
                                  under a disability retirement pension earlier
                                  than he would otherwise be required to retire
                                  if the Company had not permanently shut down
                                  the facilities.





                                       9
<PAGE>   10
                      An employee who retires under the Pension Plan may also
                      be entitled to receive S.U.B. Terminations benefits in
                      accordance with the terms of the S.U.B. Plan.

          C.          The employee may elect S.U.B. Termination Benefits in
                      accordance with the terms of the S.U.B. Plan at any time
                      within one (1) year after notice of termination has been
                      mailed to him.

                      An employee other than an employee who is eligible for an
                      immediate pension may elect layoff prior to submitting
                      his application for S.U.B. Termination Benefits and shall
                      receive S.U.B. Layoff or reduced layoff benefits provided
                      the eligibility and other requirements of the S.U.B. Plan
                      are met.

          D.          If the facilities which have been permanently shut down
                      are reopened by the Company within three (3) years of the
                      date of the permanent shutdown, an employee who has
                      retired under the Pension Plan shall be eligible for
                      recall in accordance with his seniority status at the
                      time of the permanent shutdown.  An employee who has
                      elected S.U.B. Termination benefits shall also be
                      eligible hr recall in accordance with his seniority
                      status at the time of the permanent shutdown.  Any
                      pensioner who has received S.U.B. Termination benefits
                      and accepts recall and any former employee who has
                      received S.U.B. Termination benefits and accepts recall
                      shall repay said Termination benefits to the S.U.B. Trust
                      Fund or to the Company, whichever was the source of the
                      Termination benefits, in accordance with the S.U.B. Plan
                      Agreement. Any employee who accepts recall shall have his
                      previously accumulated seniority rights, pension, S.U.B.,
                      insurance and vacation credits as of the last day the
                      employee worked or at the date of permanent shutdown,
                      whichever occurs later, reinstated on the date he returns
                      to work.

          E.          An employee who is not eligible for an immediate pension
                      may elect layoff and shall receive S.U.B.  Layoff or
                      reduced layoff benefits provided the eligibility and
                      other requirements of the S.U.B.  Plan are met.

                      The employment rights of any employee on layoff shall
                      terminate three (3) years after the last day the employee
                      worked and the employee's seniority shall be broken.

          F.          An employee's participation in the group insurance
                      program shall terminate effective the day following the
                      last day the employee worked and pending claims shall be
                      processed in accordance with the terms of the existing
                      group insurance program. No employee shall be eligible
                      for holiday pay or vacation pay other than vacation pay
                      due after the last day the employee worked or the date of
                      the permanent shutdown, whichever occurs later. No
                      employee shall accumulate credited service under the
                      pension plan after the last day the employee worked or
                      the date of the permanent shutdown, whichever occurs
                      later.

          (G)         THE COMPANY WILL ESTABLISH A 401(k) PLAN TO BEGIN AUGUST
                      1, 1998 WITH EMPLOYEE CONTRIBUTIONS UP TO 4% TO BE
                      MATCHED 50% BY THE COMPANY.  BEGINNING MAY 1,





                                       10
<PAGE>   11
                      2000, EMPLOYEE CONTRIBUTIONS UP TO 5% TO BE MATCHED 50%
                      BY THE COMPANY, AND MAY 1, 2002 EMPLOYEE CONTRIBUTIONS UP
                      TO 6% TO BE MATCHED 50% BY THE COMPANY.

          (8)         In the event the Company constructs a new plant that will
                      affect the employment status of employees in the
                      Company's plant or plants comprising a bargaining unit,
                      such employees shall be given an opportunity to make
                      application for employment in the new plant before it
                      starts operation, and such employees shall be given
                      preferential employment right for the highest rated job
                      the employee is capable of performing. Such an employee
                      shall transfer with him all of his previously accumulated
                      pension, S.U.B., insurance and vacation credits. His
                      seniority rights at the former plant shall terminate upon
                      his establishment of seniority rights in the new plant.

          (9)         When an employee has been laid off or displaced because
                      of permanent changes in the working force or because of a
                      plant closing, he may make written application within
                      fifteen (15) days of layoff or displacement for
                      employment in another plant of the Company, and he shall
                      be given preferential employment rights for job openings
                      at such other plant, providing such employee is capable
                      of performing the job that may be available at such other
                      plant of the Company. Any employee so transferring from
                      one plant to another of the Company shall retain his
                      previously accumulated pension, S.U.B., insurance and
                      vacation credits. His seniority rights at the former
                      plant shall terminate upon his establishment of seniority
                      rights in the plant to which he transferred.

          (10)        Employees transferring from one plant to another as
                      provided in (a) (7), (8) and (9) of this Article will
                      receive a moving expense allowance. The Company will
                      reimburse each employee for actual moving expenses
                      incurred to move furniture and other household goods up
                      to a maximum of $1,000 per employee.

(b)       When a production curtailment or a plant shutdown causes a reduction
          in personnel in a department or throughout the plant, a senior
          employee whose regular job is not required shall have the option of
          accepting available work for which he is qualified or accepting
          layoff.  A Senior employee who elects to accept available work shall
          be entitled to:

          (1)         Bump any junior employee whose job was previously held by
                      the senior employee on a permanent basis for a sufficient
                      period of time to demonstrate his ability to
                      satisfactorily perform the job as it is constituted at
                      the time of the production curtailment or plant shutdown.
                      The senior employee must attempt to bump into a job that
                      he previously held in the reverse order of his
                      promotions.  In other words, he must first attempt to
                      bump into the job he held immediately prior to his
                      present job, except each employee may select one job that
                      he had previously held on a permanent basis or is
                      qualified to perform immediately, and for purposes of
                      this section only, consider it to be the job he held
                      immediately prior to his present job.  Each employee





                                       11
<PAGE>   12
                      may make such selection and this selection shall be
                      updated effective on May 1, of each contract year at the
                      employee's discretion.

                      If the above procedure would result in an employee
                      becoming a part of the labor crew, he may exercise his
                      bumping rights set forth in (2) prior to entering the
                      labor crew.

          (2)         An employee can bump a junior employee on a plant-wide
                      basis except for any maintenance job, any laboratory job,
                      or those in the control room operator classification,
                      provided he is qualified to perform the job immediately.

                      Employees who hold utility or vacation-relief jobs where
                      the employee actually works on several different jobs on
                      a scheduled basis shall be considered as having held
                      those classifications on a permanent basis for purposes
                      of this section (b).

                      Any junior employee who is displaced by a senior employee
                      shall have the same rights as the senior employee set
                      forth herein.

                      After the bumping is completed, the Company has the right
                      to require a senior employee to perform available work
                      during the curtailment or shutdown if there is no junior
                      employee with the necessary qualifications to perform the
                      work.

                      A plant shutdown is defined as a period during which none
                      of the clinker burning units are producing.

                      The wage rate paid during a production curtailment shall
                      be the wage rate of the job performed. An employee who
                      works on two or more jobs in one day shall be paid in
                      accordance with Article V (j) (2).

                      During periods of plant shutdowns when employees are
                      needed for maintenance, repairs or work on plant
                      alterations, the wage rate paid to employees who are
                      retained for work during the first forty-five (45) days
                      of plant shutdown shall not be less than the employee's
                      regular straight time wage rate nominally paid when the
                      plant is producing.  After forty-five (45) days, the wage
                      rate paid shall be the wage rate of the job performed.
                      An employee who works on two or more jobs in one day
                      shall be paid in accordance with Article V (j) (2).

                      The ninety-five (95%) percent rate protection is not
                      applicable to any bumping under this procedure.

(c)       When the Company determines that additional jobs are required during
          or following a production curtailment or a plant shutdown in order to
          maintain or increase the work force, the manner in which the
          reduction of forces took place pursuant to Article IV, Section (b)
          will be reversed.





                                       12
<PAGE>   13
          In the event that during a production curtailment or a plant shutdown
          an employee bids for and is awarded another job, he shall lose all
          rights pertaining to the job the employee previously held.

          Sections (b) and (c) of Article IV shall not add to, subtract from,
          or otherwise modify any maintenance training agreement by and between
          the Company and the International and/or Local Unions negotiated
          before or after the effective date of this Basic Agreement.

(d)       The Company agrees to post a notice at least one week in advance of
          an intended shutdown. whenever a layoff is planned because of a
          change or reduction in plant production requirements, the Company
          will, not less than seven (7) calendar days prior to the effective
          date of the layoff, post a bulletin stating the expected extent of
          such layoff, and the expected effect on the work force.  In the event
          the required notice is not given in accordance with the above, the
          Company will pay the laid off employee(s) the scheduled time lost at
          the applicable straight-time hourly rate.  The seven (7) calendar day
          period shall commence on the completion of the third shift following
          the day in which the notice was posted.  The foregoing does not apply
          to disciplinary layoffs and layoffs because of curtailment made
          necessary by disaster or emergency conditions affecting the ability
          of the Company to physically operate the plant.

(e)       Company personnel excluded from the bargaining unit shall not
          regularly perform bargaining unit work except temporarily in an
          emergency; for training or instruction purposes, for testing,
          diagnosis, analysis or when necessary to prevent disruption of the
          flow of operations or when necessary to meet the interest of
          efficient operations.

          Should a Company person excluded from the bargaining unit violate
          this commitment the Company will be required to pay to the effected
          worker or workers double time (his or their) regular straight time
          hourly rate for anytime worked by person not included in the
          bargaining unit, with a minimum of four (4) hours pay. If there is no
          affected worker, the penalty for such work shall be paid to the
          worker lowest in overtime in the classification and/or department.

(f)       Any employee who becomes incapacitated and on the basis of competent
          medical opinion cannot perform the cubes of his/her regular job may
          exercise his/her plant seniority through the bumping procedure to
          move to any position within the bargaining unit at the plant for
          which he/she could qualify within a reasonable period of time but not
          to exceed 90 days. This in no way affects the bidding right of the
          employee.

(g)       Any employee who is displaced by an incapacitated employee pursuant
          to paragraph (f) of this section, may exercise his/her plant
          seniority to bump into another position within the bargaining unit at
          the plant for which he/she is qualified in the same manner as covered
          in the job bidding procedure. The 95% rate protection is not
          applicable to bumping under paragraphs (f) and (g).





                                       13
<PAGE>   14
(h)       All vacancies and new jobs created shall be posted no later than the
          eighth day following the date the vacancy occurred or the new job was
          created.  Said vacancies and new jobs shall be posted for seven (7)
          days to allow any employee to make application in writing for such
          job. The Company will consider every application in terms of:

          (1)         Seniority

          (2)         The applicant's skill and ability and physical fitness
                      measured against the requirements of the job.

                      Where two or more applicants' qualifications in (2) are
                      relatively the same, seniority shall govern.

                      If an employee proves unsatisfactory, he shall be 
                      reinstated to his previous job.

                      An employee who bids for and is awarded a job, excluding
                      any employee who is disqualified subsequent to the award,
                      may not bid any job in the same or lower bracket for six
                      (6) months from the date he was awarded his new job
                      without the consent of the Company; except that an
                      employee may bid from an operating job to a maintenance
                      job or a laboratory job, from a maintenance job to an
                      operating job or a laboratory job, or from a laboratory
                      job to an operating job or a maintenance job even though
                      the employee is bidding a job in the same or lower
                      bracket within six (6) months.

                      This Section does not require the Company to award a job
                      to any applicant if no applicants are qualified to
                      perform the work

                      The Company has the right to assign any employee to fill
                      a new job or to fill a vacancy until the job has been
                      awarded.

                      The Company will meet with the Local Union Committee to
                      explain its decision when the Company awards a job to a
                      junior applicant.  Any senior applicant shall have the
                      right to challenge the Company's award by filing a
                      grievance in a timely manner.  Any employee reinstated to
                      his previous job shall have the right to challenge his
                      disqualification by filing a grievance in a timely
                      manner.

          (3)         Once a job has been awarded, the Company will make every
                      effort to place the successful bidder on the job as soon
                      as possible, but within thirty (30) calendar days from
                      the date of the job award.  Should the Company fail to
                      place the successful applicant on the job in the 30 day
                      period, the applicant shall receive the rate of pay for
                      the new job commencing with the 31st day, until such time
                      as he is placed on the new job.  At that time, he will be
                      paid in accordance with this Basic Agreement, Local
                      Supplemental Agreement, or plant practice, whichever is
                      applicable.  This shall not apply if the delay beyond
                      thirty (30) days is caused by multiple bidding to fill
                      the original vacancy.





                                       14
<PAGE>   15
                                   ARTICLE V

                               WORKING CONDITIONS

(a)       Eight (8) hours shall be the regular workday and forty (40) hours
          shall be the regular work week.  The workday shall commence with the
          beginning of the morning shift and workweek shall commence with
          beginning of the morning shift on Sunday (Monday at Clinchfield,
          Georgia).

(b)       Work schedules for each workweek will be posted on Thursday of the
          previous week prior to the end of the first shift.  If an employee's
          work schedule is changed after the end of the first shift of the
          preceding Thursday he shall be compensated by multiplying the regular
          straight-time hourly wage rate by one-half (0.5) hr the first eight
          (8) hours worked in his new schedule and the premium shall be paid in
          addition to whatever compensation the employee is otherwise entitled
          to receive under any other Section of this Agreement.  An employee's
          work schedule is changed and the premium is paid when the employee is
          required by a schedule posted after the first shift on the previous
          Thursday to work hours in place of the hours the employee was
          required to work by the schedule posted prior to the end of the first
          shift on the previous Thursday.


          If an employee's work schedule is not posted on Thursday of the
          previous week prior to the end of the first shift as provided above,
          the first eight (8) hours worked the following week shall be
          considered out-of-schedule and will be paid accordingly.
(c)       All hours worked and all hours paid shall be compensated by
          multiplying the regular straight-time hourly rate by one (1.0) unless
          expressly provided otherwise.

(d)       Hours worked in excess of eight (8) hours in the workday and forty
          (40) hours in the workweek shall be paid for at the applicable
          overtime rate.

(e)       THE ABOVE NAMED PARTIES HAVE AGREED THAT AN ADDITIONAL 1/2 TIME
          PREMIUM WILL BE PAID TO EMPLOYEES WORKING IN SITUATIONS DESCRIBED IN
          THE BASIC AGREEMENT I.E., ALL HOURS WORKED IN THE KILN AND CLINKER
          COOLER BAG HOUSE.

(f)       Rates of Pay - Overtime:

                      (1)         The applicable overtime rate shall be time
                                  and one half (1.5) the regular straight time
                                  hourly wage rate except on a Sunday or a
                                  holiday in which case the applicable overtime
                                  rate shall be:

                      Sunday

                      A.          Straight-Time





                                       15
<PAGE>   16
<TABLE>
                        <S>         <C>                                 <C>
                         1.          Up to eight (8) hours               1-1/2X
                         2.          Over eight (8) hours and up
                                     to twelve (12) hours                2X
                         3.          Over twelve (12) hours              2-1/2X

                      B. Overtime and Callouts*

                         1.          Eight (8) hours or less             2X
                         2.          Over eight (8) hours and up
                                     to 12 hours                         2-12X
                         3.          Over twelve (12) hours              3X

                      Holiday

                      A. Straight-time

                         1.          Up to eight (8) hours               2-1/2X
                         2.          Over eight (8) hours and up
                                     to twelve (12) hours                3X

                      B. Overtime and Callouts*

                         1.          For all hours worked                3X
</TABLE>

          (2)*        In the event an employee works more than twelve (12)
                      hours in the workday, he shall be paid for all hours
                      worked in excess of such twelve (12) hours at double the
                      regular straight time hourly rate.

                      After an employee has been engaged in work for twelve
                      (12) consecutive hours, he shall be paid for all
                      consecutive hours worked immediately succeeding and in
                      excess of such twelve (12) hours at double the regular
                      straight time hourly rate.

          *           If an employee is being paid the rate of double time
                      under the foregoing paragraphs, his rate of pay shall not
                      be reduced when his work continues into or overlaps his
                      regular shift.  However, the Company may exercise either
                      of the following options:
          A.          The Company may instruct the employee to continue to the
                      end of the shift at the double time rate, or

          B.          The Company may send the employee home at any time during
                      the shift, provided the remainder of the shift is paid
                      for at straight time, subject to a maximum payment of
                      four (4) hours at straight time.  Such employee cannot be
                      called back to work until he has been off duty for eight
                      (8) consecutive hours.

                      In no event shall the first two provisions of the Section
                      be applied to the same hours of work.  The provision
                      which creates the highest earnings shall be applied.





                                       16
<PAGE>   17
          (3)         Callouts and Off-days:  In case an employee is called for
                      work during any hour in the day or week in addition to
                      his regular schedule he shall receive a minimum of four
                      (4) hours' pay for such work at the applicable overtime
                      rate.  However, if he is notified before the end of his
                      regular shift to report early, it shall not be considered
                      a callout.  Callout hours and off-day hours are overtime
                      hours.  All Sunday callouts to be paid a minimum of four
                      (4) hours at the applicable Sunday rate.

          (4)         Lunch period interrupted by work assignments:  One-half
                      (1/2) hour at the applicable overtime rate shall be paid
                      for any scheduled lunch period interrupted by a work
                      assignment and either prior or subsequent to the regular
                      lunch period, reasonable time for lunch shall be granted
                      with pay for same at the employee's regular rate.

          (5)*        If an employee actually works seven consecutive workdays
                      in the plant workweek, regardless of the number of hours
                      worked on any workday, the employee shall be compensated
                      by multiplying the regular straight-time hourly rate by
                      one (1) for each and every hour worked during the seventh
                      consecutive workday, and this premium shall be paid in
                      addition to whatever compensation the employee is
                      otherwise entitled to receive under any other Section of
                      this Article.

(f)       Overtime paid on a daily basis shall not be duplicated on a weekly
          basis.

(g)       If an employee does not work a regularly scheduled workday through
          action of the Company, excused absence or because of a holiday, that
          day shall be considered as actually a day worked for all overtime
          purposes.

(h)       Limitations Upon Overtime:

          (1)         Every reasonable effort will be made by the Company to
                      avoid requesting any employee to work overtime and the
                      Company will consider under the circumstances involved
                      any reasonable excuse from an employee for not working
                      the overtime.  Whenever an employee is laid off due to
                      lack of work or because of curtailment of operations, no
                      overtime work shall be scheduled on any work which the
                      laid-off employee is capable of doing and is able to
                      perform, except in cases of emergency repair or
                      unscheduled absences of other employees.  The foregoing
                      to the contrary notwithstanding, a laid-off employee will
                      not be called back to work unless there is at least
                      thirty-two (32) hours work in the workweek for such
                      employee.

          (2)         Overtime in the various job classifications shall be
                      equally divided as defined by the Local Agreement insofar
                      as it is practical to do so.  Any employee who is
                      contacted and cannot work the overtime including callouts
                      will be charged with the number of hours actually worked
                      or paid, whichever is greater or according to the Local
                      Agreement.  Overtime worked or charged shall be posted
                      weekly in each department by the foreman.





                                       17
<PAGE>   18
          (3)         Employees who are called upon to work overtime shall not
                      be laid off during their regular work time for the
                      purpose of equalizing said overtime.

          (4)         The Company will continue its practice of allowing a
                      fifteen minute paid wash-up time on continuous overtime
                      beyond the end of his shift.  In addition, the Company
                      will continue its practice of paying overtime in fifteen
                      (15) minute increments.

          (5)         A.          Any employee who has not been notified of his
                                  overtime assignment at least twelve (12)
                                  hours prior to the commencement of the
                                  overtime assignment and who works more than
                                  ten (10) consecutive hours, shall be provided
                                  with a hot lunch which shall be eaten at the
                                  end of said ten (10) consecutive hours, or as
                                  soon as practical thereafter but no later
                                  than 30 minutes after the ten hours.  Any
                                  employee who works in excess of fourteen (14)
                                  consecutive hours shall be provided with an
                                  additional lunch, and lunches will be
                                  furnished at the end of every four (4)
                                  consecutive hours worked thereafter.

                      B.          Any employee who is called out and works more
                                  than four (4) consecutive hours shall be
                                  provided with a hot lunch which shall be
                                  eaten at the end of said four (4) consecutive
                                  hours.  In addition, said employee shall be
                                  provided with a hot lunch every four (4)
                                  consecutive hours worked thereafter.

                      There shall be no duplication of hot lunches under
                      provisions A and B above.  The employees shall be given
                      reasonable time to eat his lunch without loss of pay.

          (6)         THE COMPANY AGREES THAT THE ALLOWANCE FOR OVERTIME MEALS
                      WILL BE INCREASED TO $6.00 EFFECTIVE MAY 1, 1998, TO
                      $6.50 EFFECTIVE MAY 1, 2000 AND TO $7.00 EFFECTIVE MAY 1,
                      2002.

          (6)         The purpose and intent of this Agreement is to refrain
                      from working an employee beyond sixteen (16) consecutive
                      hours excluding lunch periods.  The Company agrees that
                      they will not work any employee beyond sixteen (16)
                      consecutive hours excluding lunch periods unless no other
                      classified employee is available to do the work.

                      However, in the event that a vacancy occurs that would
                      require a classified employee to work more than sixteen
                      (16) consecutive hours, the Company will fill that
                      vacancy with another classified employee who has primary
                      overtime rights, an employee with secondary overtime
                      rights, or other qualified employee in the stated order.

                      This Agreement does not absolve an employee from the
                      requirement to stay on the job until properly relieved.
                      However, the Company is required to make a diligent
                      effort to provide a relief at the end of the sixteen (16)
                      hour period.  The Company will not use the eight (8) hour
                      rest clause as an excuse to require an employee to
                      continue working after sixteen (16) hours.





                                       18
<PAGE>   19
(i)       Eight Consecutive Hour Rest Premium *

          (1)         An Employee should receive at least eight (8) consecutive
                      hours off work within the fourteen (14) consecutive hours
                      immediately preceding the start of his next scheduled
                      shift.  In the event an employee does not receive eight
                      (8) consecutive hours off work within the fourteen (14)
                      consecutive hours immediately preceding the start of his
                      next scheduled shift, the Company shall exercise one of
                      the following options:

                      A.          Instruct the employee to report late for his
                                  next scheduled shift by the number of hours
                                  his longest consecutive off-duty period falls
                                  below eight (8) hours and pay the employee
                                  the appropriate straight-time rate for those
                                  hours not worked between the starting time of
                                  his scheduled shift and the time he reports
                                  to work in accordance with the Company's
                                  instructions.  The appropriate straight time
                                  rate on the workday Sunday shall be one and
                                  one-half (1.5) and on a recognized holiday,
                                  two (2.0).

                      B.          Instruct the employee to work at the starting
                                  time of his scheduled shift.  The employee
                                  shall receive a premium for those hours
                                  worked which, if added to his longest
                                  consecutive off-duty period, equal eight (8)
                                  hours.  The premium shall be determined by
                                  multiplying the regular straight-time hourly
                                  rate by one (1).  The premium shall be in
                                  addition to whatever compensation the
                                  employee is otherwise entitled to receive
                                  under any other Section of this Article.

          (2)         If an employee does not receive at least eight (8)
                      consecutive hours off work within the fourteen (14)
                      consecutive hours immediately preceding the start of
                      callout hours worked on an off-day (provided that any of
                      the callout hours worked occur within the hours the
                      employee would have otherwise been scheduled to work had
                      the employee not been scheduled off), the employee shall
                      receive a premium for those hours worked which, if added
                      to his longest consecutive off-duty period, equal eight
                      (8) hours.  The premium shall be determined by
                      multiplying the regular straight time hourly rate by one
                      (1).  The premium shall be in addition to whatever
                      compensation the employee is otherwise entitled to
                      receive under any other section of this Article.

(j)       Wage Rate - Transfer and Assignments

          (1)         Employees temporarily transferred shall be paid the
                      regular straight time hourly rate of the job being
                      performed or the regular straight time hourly rate of his
                      regular job, whichever is greater.

          (2)         An employee regularly scheduled to work on two or more
                      jobs having different wage rates shall receive the
                      highest rate for the entire week.  If a job is regularly
                      scheduled to be performed each week at least one workday
                      in the workweek, the employee filling that job shall
                      receive the highest wage rate for the entire week.  An
                      employee who is scheduled to work five workdays during
                      the workweek on a job or jobs having a higher straight
                      time hourly wage rate or wage rates than the employee's
                      regular





                                       19
<PAGE>   20
                      straight time hourly rate, shall be paid at the higher
                      straight time hourly wage rate for the entire week. An
                      employee who works on two or more jobs in one day shall
                      receive the highest wage rate for only the time worked on
                      the higher rated job.  However, should the employee work
                      on a higher rated job(s) for four (4) or more hours in
                      the workday he will receive the higher rate of pay for
                      the entire day.  The term "entire week" used in this
                      section shall mean the 168 consecutive hours beginning at
                      7:00 a.m. on Sunday and ending at 7:00 a.m. on Sunday.
                      The term "entire day" used in this Section shall mean the
                      24 consecutive hours beginning at 7:00 a.m. and ending
                      the following day.

                      The 168 consecutive hours mentioned above shall begin at
                      7:00 a.m. Monday and ending at 7:00 a.m.  Monday, at
                      Local D23, Clinchfield, Georgia.

          (3)         The Company shall have the right to utilize employees to
                      perform any job; provided, however, overtime and callouts
                      in any classification shall be offered to the available
                      classified employees in that classification before other
                      employees are assigned such work.  See Attachment "B" for
                      Letter of Understanding concerning transfers.

(k)       Sunday Work

          All hours worked by an employee on Sunday which are not paid for on a
          premium and/or overtime basis shall be paid at the rate of one and
          one-half (1-1/2) times the regular straight time hourly rate
          exclusive of shift differentials.  There shall be no duplication or
          pyramiding of premium pay and/or overtime under this provision.

(l)       Reporting Pay

          Any employee who is required to report for work shall be given at
          least four (4) hours pay at the regular straight time hourly rate,
          and shall receive full pay for all time thereafter that he is
          required to remain on the premises ready for work.  Any employee put
          to work on his regular working day shall receive full day's pay at
          the regular straight time hourly rate.

(m)       Funeral Leave

          An employee, upon the notification of the death of his or her father,
          mother, spouse, son, daughter, brother, sister, stepfather,
          stepmother, stepson, stepdaughter, half sister, half brother,
          mother-in-law, father-in-law, brother-in-law, sister-in-law,
          grandchild, grandparent, or spouse's grandparent, shall be granted
          his or her next three (3) scheduled working days off with pay (four
          (4) days off with pay if the employee is required to travel beyond a
          radius of 500 miles).  Payment by the Company for such time lost
          shall be on the basis of eight (8) hours per day at the employee's
          regular straight time hourly rate, including shift differential.

          As used herein, brother-in-law is defined to mean (1) the brother of
          one's husband or wife, (2) the husband of one's sister, (3) the
          husband of the sister of one's spouse, and sister-in-





                                       20
<PAGE>   21
          law is defined to mean (1) the sister of one's husband or wife, (2)
          the wife of one's brother, (3) the wife of the brother of one's
          spouse.

          The above clause shall not apply to an employee who is laid off,
          except when an employee is notified to return to work effective on or
          before the day of the funeral he shall be granted full funeral leave
          with pay.

          The Company will notify a local union official of a death of an
          employee's relative as defined above as soon as the Company has been
          advised by the employee.

          The foregoing to the contrary notwithstanding, no bereavement payment
          will be made unless the employee attends the funeral nor will payment
          be made if there are more than fourteen calendar days between the
          date of death and the next scheduled workday.

(n)       Jury Duty

          Any regular employee (as distinguished from a probationary employee
          required to perform jury duty on a day he is scheduled to work, shall
          be excused from work on that day.  The Company shall pay the employee
          the difference between the amount received for such jury duty and
          eight (8) hours at his regular rate of pay plus shift differential if
          involved.

          The day or days paid for such jury service shall be counted as eight
          (8) hours worked for the purpose of computing weekly overtime.

(o)       Shift Changes

          A shift employee may clock in up to 30 minutes prior to the actual
          starting time of his shift and relieve the employee that he is to
          replace.  When properly relieved within this 30 minute period, the
          employee being relieved may clock out and leave the plant.  Under
          such circumstances the pay received by the relieving and relieved
          employees shall be computed as though both employees had clocked in
          and out at the actual shift change time.

(p)       The Company agrees to resolve problems with employee parking at the
          Charlevoix Plant (and Clinchfield Plant).

(p)       Wash Time and Rest Breaks

          (1)         An employee who does not receive a paid lunch period
                      shall dock out prior to the regular quitting time for his
                      shift.  However, he shall be permitted to leave his place
                      of work 15 minutes prior to the regular quitting for his
                      shift to wash provided that the employee is not required
                      to work overtime.  An employee does not receive 15
                      minutes away from the job to wash because he has been
                      required by the Company to work up to but not after the
                      regular quitting time for his shift, shall be compensated





                                       21
<PAGE>   22
                      for lost wash time by multiplying his regular straight
                      time hourly rate by fifteen minutes (.25 hour).  If the
                      employee uses additional time to clean following the
                      regular quitting time for his shift, he shall be paid as
                      though he had clocked out at the regular quitting time.

          (2)         An employee who does not receive a paid lunch period and
                      who is required to work overtime after the regular
                      quitting time for his shift shall clock out no more than
                      15 minutes after he leaves his place of work.  This shall
                      not apply to an employee on call out.

          (3)         An employee who does not receive a paid lunch period will
                      be allowed a 15 minute rest break away from his job
                      during the first four hours of his regular shift.  Break
                      times shall be determined by the employee's foreman and
                      the efficient operation of the plant shall be
                      controlling.  The 15 minute break shall be strictly
                      construed to be the total time away from the job.  Should
                      any employee regularly be denied a break, he may file a
                      grievance in a timely manner.

          (4)         The Company is not required to grant any employee who
                      does receive a paid lunch period any wash-up time and any
                      rest break.  Furthermore, said employee shall eat his
                      lunch "on-the-job" so that there is no interruption of
                      operations.

(q)       Any other provisions of this labor agreement to the contrary not
          withstanding, no employee shall receive pay for any hour worked or
          unworked which singly or in any combination, exceeds triple his
          regular straight time hourly rate.


                                   ARTICLE Vl

                               VACATIONS WITH PAY

(a)       Any employee who works during at least thirteen (13) weeks in either
          each calendar year or each anniversary year, as defined in the Local
          Agreements, shall be granted a vacation off work without loss of pay,
          according to the following schedule:

(b)       All employees who have completed one or more anniversary years of
          service but less than five (5) years of service will be entitled to
          two (2) weeks of vacation, provided they meet all other requirements
          of this Article.

          Employees who have completed five (5) or more anniversary years of
          service but less than fifteen (15) years of service will be entitled
          to three (3) weeks of vacation, provided they meet all other
          requirements of this Article.

          Employees who have completed fifteen (15) or more anniversary year of
          service, but less than twenty-five (25) years of service, will be
          entitled to four (4) weeks of vacation, provided they meet all other
          requirements of this Article.





                                       22
<PAGE>   23
          Employees who have completed twenty-five (25) or more anniversary
          years of service will be entitled to five (5) weeks of vacation,
          provided they meet all other requirements of this Article.

          Article Vl (b) above to the contrary notwithstanding, no employee
          (who meets all the other requirements of this Article Vl) shall be
          entitled any fewer weeks of vacation than he was entitled to take in
          1984.

(c)       Vacation pay will be based on a forty (40) hour week at the rate of
          the permanently assigned classification on which an employee is
          working at the time he takes his vacation.  If an employee has held a
          single higher rated classification for more than six (6) months
          during the year preceding his vacation, he will receive vacation pay
          computed at the higher rate.  Vacation pay shall include appropriate
          shift differential for those on fixed shift.  Employees working on
          rotating shifts shall be paid an average of the rates for the
          rotating shifts involved.

(d)       Vacations will not be cumulative, but so far as practicable, be
          granted at times most desired by the employees, but the final right
          to allotment of vacation period is exclusively reserved to the
          Company in order to insure the orderly operation of the plant.  In
          exercising its right to allot vacation periods, the Company will not
          require any employee who is on layoff to take his vacation during
          periods of plant shutdown or curtailment of operation.  Where
          requested vacation periods conflict, preference shall be given to the
          older employee in point of service.

(e)       It is further agreed that if any employees have previously selected
          their vacation period so that it occurs during an unforeseen shutdown
          such vacation period shall not be changed.

          Vacation shall be taken by the employee within the calendar year in
          which it is granted as determined by the Local Agreements.

(f)       No employee will be required and/or requested to work during his
          seven day vacation period.  The only exception will be when a
          classification has two or fewer employees, no qualified personnel are
          available except the employee on vacation, and an emergency situation
          exists.  In that event an employee on vacation may be requested to
          work.

(g)       The rules governing the submission of appropriate vacation
          application blanks shall be defined by the Local Agreement.

(h)       Upon two weeks written notice by an employee to the Personnel Clerk,
          the Company will give him his vacation pay on the employee's last
          shift prior to the beginning of his vacation.





                                       23
<PAGE>   24
                                  ARTICLE VII

                                    HOLIDAYS

(a)       The Company will grant eleven (11) paid holidays; these holidays
          shall be listed in each Local Agreement.

(b)       If any such holiday falls on Sunday, the following Monday shall be
          the recognized holiday.  The holiday hours shall be those hours
          within the 24 hour period commencing with the beginning of the first
          shift on the morning of the holiday and ending at the beginning of
          the first shift the following day.

(c)       Employees who are scheduled to work on a holiday shall be paid two
          and one-half (2.5) times the regular straight time hourly rate.

(d)       Hours worked on a holiday in excess of eight (8) in a workday, in
          excess of forty (40) in a workweek, on off-days, and on callouts
          shall be paid for at the applicable overtime rate.


(e)       If no work is required of an employee on the above holidays, he will
          receive eight (8) hours pay at the regular straight time hourly rate,
          provided he meets the following qualifications.

          (1)         The employee shall have been employed by the Company for
                      at least thirty (30) calendar days prior to the holiday.

          (2)         The employee shall have worked his last scheduled working
                      day prior to and his next scheduled working day after
                      such holiday unless excused therefrom by the Plant
                      Manager on account of sickness, accident, death in the
                      family, or other excused absence.  In no event shall a
                      holiday be paid for unless employee has also worked
                      during the thirty (30) day period immediately preceding
                      or immediately following the holiday except that the
                      thirty (30) day limitation shall not apply if the
                      employee was temporarily absent from work because of
                      sickness, accident or layoff.  In any event, the employee
                      must work at least one day in the calendar year in which
                      the holiday is granted.

(f)       If an employee is scheduled to work on a holiday and fails to work,
          he shall not receive holiday pay, unless excused therefrom by the
          Plant Manager.

(g)       If an employee works on a holiday, the holiday shall be counted as a
          day worked for computing weekly overtime.  Paid holiday is to count
          as a day worked for overtime purposes, provided holiday falls on one
          of employee's scheduled workdays and he would have worked that day
          except for holiday observance.

(h)       An employee not scheduled to work the holiday and who subsequently
          performs work on a holiday will be considered as being on callout and
          will be paid eight (8) hours at the regular





                                       24
<PAGE>   25
          straight time hourly rate in addition to two (2) times the regular
          straight time hourly rate for all time worked with a minimum of four
          (4) hours at double time.*

(i)       Work schedules for each workweek which include a holiday will be
          posted prior to the end of the first shift on Thursday of the
          previous week.  If an employee is scheduled to work on a holiday, but
          then instructed by the Company not to work, he shall receive for that
          holiday eight (8) hours pay at two and one-half (2.5) times the
          regular straight time hourly rate.

(j)       The phrase "regular straight time hourly rate" as used solely in
          Article VII, Holidays, shall mean the higher of either the employee's
          regular straight time hourly rate or to the highest straight time
          hourly rate for a job on which the employee works at least eight (8)
          consecutive hours in the workweek in which the holiday falls provided
          (1) that the eight hours had been previously scheduled or (2) the
          hours are worked the day before or the day after the holiday whether
          previously scheduled or not.

                                  ARTICLE VIII

                                     WAGES

(a)       Considered a part of the Local Agreements are the current Job
          Classifications and Rate Lists.

(b)       (1)         Scheduled shift workers on the first shift shall receive
                      the regular straight time hourly rate.

          (2)         Scheduled shift workers on the second shift shall receive
                      the regular straight time hourly rate plus 52c. PER HOUR.

          (3)         Scheduled shift workers on the third shift shall receive
                      the regular straight time hourly rate plus 75c. PER HOUR.

          (4)         These premium rates do not apply to day workers even
                      though they may work over into premium paid shift.

          (5)         If a day worker is scheduled to take the place of a
                      regular scheduled shift worker, then the premium rate for
                      the shift shall apply.

          (6)         The premium pay does not alter the provisions covered in
                      this contract under the head of "Working Conditions".

(c)       Shift differentials shall be included as part of the regular rate in
          the calculation of overtime compensation.





                                       25
<PAGE>   26
(d)       The Company may at its discretion increase wages in any class or to
          an individual in any class without necessitating a change in the rate
          of any individual or class.

(e)       Any job not mentioned in this Agreement or any job with substantial
          changes in duties, equipment or requirements, or any new job created
          in the plant, shall be open for negotiations by the Company and the
          Union as to wages upon written notice from either party to the other
          party.  If no agreement can be reached during the above negotiations,
          the matter shall be subject to the grievance procedure.


                                   ARTICLE IX

                             HANDLING OF COMPLAINTS

(a)       All employees shall at all times make an effort to perform their
          duties in such a manner as to promote safe and efficient operation of
          their department and the plant as a whole.

          (1)         Should a difference arise between an employee and the
                      Company as to the meaning and application of this
                      Agreement or should a difference arise as to the meaning
                      and application of a recognized practice, the employee
                      with or without his steward shall present his complaint
                      to his foreman within ten (10) working days after the
                      date of the alleged wrong or within ten (10) working days
                      after the date the employee received his payroll check,
                      whichever is later.  Failure by the employee and/or the
                      Union to observe this time limit shall cause the
                      grievance to be considered settled in favor of the
                      Company.

          (2)         The foreman shall orally reply to the employee within
                      five (5) working days after the date the employee
                      presented his complaint in Section (1).  Failure by the
                      Company to observe this time limit shall cause the
                      grievance to be considered settled in favor of the
                      employee.

          (3)         If the employee is not satisfied with the foreman's
                      reply, the employee may request his steward to present
                      the grievance in writing to the Union Grievance
                      Committee.  If the Union Grievance Committee believes
                      that the complaint is justified, it may submit the
                      complaint in writing to the Plant Manager within five (5)
                      working days of the date of the foreman's reply in
                      Section (2).  The Plant Manager shall schedule a meeting
                      with the Union Grievance Committee and any member or
                      members of the staff that the Plant Manager desires to
                      have present.  This meeting shall take place within
                      fifteen (15) working days of the date the Union Grievance
                      Committee submits the grievance to the Plant Manager.
                      Failure to observe any time limit shall cause the
                      grievance to be considered settled in favor of the
                      employee if the Company has failed to observe the time
                      limit or in favor of the Company if the employee and/or
                      the Union has failed to observe the time limit.





                                       26
<PAGE>   27
          (4)         The parties shall use their best efforts to settle the
                      complaint.  If the parties agree upon the disposition of
                      the grievance, they shall reduce their understanding to
                      writing and the grievance shall be settled.  If the
                      parties are unable to agree, the Union Grievance
                      Committee may at the employee's request and within thirty
                      (30) days of the date of the meeting between the Plant
                      Manager and the Union Grievance Committee submit the
                      grievance in writing to the Director of Industrial
                      Relations or his representative with copies to the
                      International Vice President or District Council
                      Representative and the Plant Manager.  The Director of
                      Industrial Relations shall contact the International Vice
                      President or District Council Representative within seven
                      (7) days after receipt of the grievance to schedule a
                      meeting.  The parties shall use their best efforts to
                      schedule the meeting within thirty (30) days.  Failure to
                      observe any time limit shall cause the grievance to be
                      considered settled in favor of the employee if the
                      Company has failed to observe the time limit or in favor
                      of the Company if the employee and/or the Union has
                      failed to observe the time limit.

          (5)         After full consideration, and such conference as may be
                      mutually agreed upon with an International or District
                      Council Representative of the Union, the grievance shall
                      be considered settled when the employee's and the
                      Company's representative shall have reached an agreement.

          (6)         If the parties are unable to settle the grievance, either
                      party can notify the other party in writing that it
                      intends to submit the grievance to arbitration.  This
                      notice must be given within ten (10) days FROM THE
                      RECEIPT OF THE WRITTEN RESPONSE FROM THE COMPANY.  The
                      consent of the other party is not required to arbitrate a
                      grievance.

                      The foregoing to the contrary notwithstanding, either 
                      party may exercise the following option:

                      For the purpose of expediting and facilitating the
                      resolution of a grievance which has been processed
                      through step (5) of the grievance procedure and which
                      would otherwise be submitted to arbitration, either the
                      Company or the Union may elect to submit said grievance
                      to a panel which will consist of a Vice President of the
                      International Union or his representative and the Vice
                      President of Operations of the Company or his
                      representative, provided that no member of the panel can
                      be a party to any discussion of the grievance during an
                      earlier step of the grievance procedure.  Each party can
                      submit a maximum of five (5) grievances to the panel
                      during any calendar year.  Only a grievance about the
                      interpretation of contract language in the Basic or Local
                      Agreement can be submitted to the panel.  A party
                      electing to submit said grievance to the panel must
                      notify the panel and the other party within ten (10) days
                      after a decision has been made at step (5).  The
                      authority of said panel shall be no greater than the
                      authority of the arbitrator as set forth in (d) of the
                      grievance procedure.  The panel shall meet at the Plant
                      where the grievance arose.

                      A maximum of two members of the Union Grievance Committee
                      can attend a panel meeting.  The decision of the said
                      panel shall be final and binding upon the Company





                                       27
<PAGE>   28
                      and the Union.  In the event the Union representative on
                      the panel and the Company representative on the panel are
                      unable to agree, either the Union or the Company may
                      elect to submit such grievance to arbitration as provided
                      in step (6) of the grievance procedure.  The party
                      electing to arbitrate the grievance must give notice to
                      the other party within ten (10) days after the Union
                      representative on the panel and the Company
                      representative on the panel have jointly informed the
                      parties that the panel is unable to make a decision.
                      Failure to observe any time limit shall cause the
                      grievance to be considered settled in favor of the
                      employee if the Company has failed to observe the time
                      limit or in favor of the Company if the employee and/or
                      the Union has failed to observe the time limit.

(b)       If either party does not notify the other within ninety (90) days of
          the notice of its intent in (a) (6) above, that it now wishes to
          mutually select an arbitrator and schedule a hearing date, then the
          parties shall consider the grievance to have been withdrawn by the
          moving party.

          When the moving party notifies the other of its wish to mutually
          select an arbitrator, the parties shall select an arbitrator within
          ten (10) days.  Failing to reach an agreement upon the selection of
          an arbitrator, the moving party may request the appointment of an
          arbitrator by either the Federal Mediation and Conciliation Service
          or the American Arbitration Association.

          Grievances heard by the arbitrator must be presented in chronological
          order based on the date the grievances were written except in
          discharge cases which may be presented out of chronological order or
          in cases where the parties have mutually agreed in writing to waive
          the chronological order requirement.

(c)       All time limits set forth in (a) and (b) shall be strictly observed;
          time limits can be extended by a written agreement between the
          parties.

          Whenever the term "working days" occurs in the grievance procedure,
          it shall be defined by the parties to mean plant work days, Monday
          through Friday.

          Whenever the term "days" is used in this section, it shall be defined
          by the parties to mean calendar days.

(d)       The arbitrator shall consider only the grievance appealed to him and
          shall have jurisdiction and authority only to interpret, apply, or
          determine compliance with the provisions of this Agreement, and only
          the extent necessary to determine the grievance.  The arbitrator
          shall not have jurisdiction or authority to add to, modify, detract
          from, or alter in any way the provisions of this Agreement.

(e)       The arbitrator's decision shall, at the request of either party, be
          in writing and shall be final and binding on both parties.  The fees
          and expenses of the arbitration proceeding, except fees for witnesses
          brought in by either party and legal counsel's fees, shall be borne
          equally





                                       28
<PAGE>   29
          by the Company and the Union.  Bargaining unit employees including
          Committeemen who participate in arbitration proceedings shall not be
          compensated by the Company.

(f)       Grievances involving the provisions of the collective bargaining
          agreement and occurring so as to be processed to arbitration at the
          same time will be at the request of either party arbitrated before
          the same arbitrator.  However, it is agreed that not more than four
          (4) cases will be heard at one series of hearings.

(g)       Local Union officers and stewards off-duty and representatives of the
          International Union and District Council shall, upon notice to the
          Company, be permitted on Company's premises to investigate
          grievances.

(h)       Meetings will be conveniently scheduled so as to complete all
          business within the normal working day for day employees.  Any
          employee who is scheduled to work during the hours the meeting is
          held and who attends the meeting will be compensated by multiplying
          the regular straight time hourly rate by the hours he attends the
          meeting.  In addition, if the employee attends the meeting beyond his
          normal quitting time, he will be compensated for each additional hour
          he attends the meeting by multiplying the regular straight time
          hourly rate by one (1) and said additional hour or hours shall not
          count toward daily or weekly overtime.

          Any member of the Committee who is not scheduled to work during the
          hours the meeting is held, who is not scheduled to work the third
          shift immediately preceding the meeting, or who is not scheduled to
          work the second shift immediately following the meeting, and who
          attends the meeting, will be compensated by multiplying his regular
          straight time hourly rate by all hours he attends the meeting. Any
          hours paid under this paragraph shall not count toward the
          calculation of any penalty or premium pay section of this Agreement
          including but not limited to daily or weekly overtime.  Any employee
          who is receiving S.U.B. benefits, sickness and accident benefits, or
          Workmen's Compensation benefits for the day of the meeting or who is
          absent due to disciplinary layoff shall not receive any compensation
          under this paragraph.

          When a meeting is scheduled at which a representative of the
          International Union and a representative of the Company from
          Cleveland will attend, any member of the committee who is scheduled
          work the third shift immediately preceding the meeting will be
          excused from working the third shift and will be compensated by
          multiplying eight (8) hours at the regular straight time hourly rate
          plus shift differential if the employee has attended the meeting.

          Any member of the committee who is scheduled to work the second shift
          immediately following the meeting will be excused from working the
          second shift if the employee has attended the meeting for six (6)
          hours.  In the event the employee is excused from working the second
          shift, he will be compensated by multiplying eight (8) hours at the
          regular straight time hourly rate plus shift differential.





                                       29
<PAGE>   30
(i)       The Company will reimburse no more than two (2) members of the
          Union's bargaining Committee from each Local Union for scheduled time
          lost due to attendance at and travel to and from Basic Agreement
          Negotiations.  One day travel time shall be allowed the day before
          such meeting, and one day travel time shall be allowed after such
          meeting.  The rate of pay will be the regular straight time hourly
          rate including Sunday premium, if applicable.

(j)       Disciplinary letters issued to employees will remain in the Company's
          employee file for twelve (12) months.  At the end of the twelve (12)
          month period, the disciplinary letters will not be used against the
          employee in the future for purposes of progressive discipline.

          This provision shall not apply if the discipline letter refers to a
          disciplinary suspension of one week or more.
(k)       Where there is a discussion between an hourly employee and a
          supervisor that is intended as a disciplinary measure, the Company
          requests that a grievance committeeman, job steward or other
          designated employee be present.

          A "disciplinary measure" shall be limited to the issuing of a
          reprimand or the imposition of a penalty to an employee about which a
          notation, letter or unsatisfactory performance report is subsequently
          made part of the employee's personnel file.

          It shall be the responsibility of the Union to appoint and have
          available on each shift a committeeman, job steward or other employee
          designated for purposes of this section who shall be identified to
          the Corporation in writing.

          It is not the intent of this Section to expand the total number
          committeemen as provided for in each Local Supplemental Agreement.

(l)       DISCIPLINE OF ONE WEEK OR MORE WILL NOT BE USED AFTER FIVE YEARS.

(l)       When a grievance involving pay is settled in favor of the Union, the
          employee entitled to such pay shall be paid by the second pay
          following the settlement.


                                   ARTICLE X

                              STRIKES AND LOCKOUTS

(a)       Having provided an orderly procedure for settling all disputes, the
          Company agrees not to lock-out its employees and the Union agrees
          that there will be no strikes or work stoppages during the term of
          this Agreement.

(b)       The Company agrees not to hold the Union liable when such activities
          are not authorized by the Union, provided that the Union within forty
          eight (48) hours orders its members to cease and desist from such
          activities.





                                       30
<PAGE>   31
(c)       It shall not be a violation of this Agreement or cause for
          disciplinary action including discharge if an employee refuses to
          cross a picket line that has been established in full compliance with
          existing laws.  Picket lines established as a result of
          jurisdictional disputes, picket lines established for the purpose of
          organizing in-plant non-bargaining unit personnel, and/or
          informational picket lines are excluded from this protection.

          Notwithstanding the above, employees will not honor any picket line
          unless authorized by the International Union.  The International
          Union will not be held liable for any subsequent damage to the
          Corporation resulting from refusal of employees to cross an
          authorized picket line.

                                   ARTICLE XI

                                     SAFETY

(a)       The Company will, according to its established practice, continue to
          install such safety devices for the protection of the lives and
          health of its employees as are required by the Workmen's Compensation
          laws of the State in which the plants covered by this Agreement are
          located.  The Company will maintain the washhouse with heat, light
          and plenty of hot water, and keep the toilets, fixtures and floors in
          a sanitary condition, and will supply good drinking water wherever
          necessary about the plant.  Sufficient equipment and tools shall be
          maintained in a safe and efficient working order, and the regulations
          and safety codes adopted by the Department of Labor of the applicable
          state, in the interest of protecting the safety and health of
          industrial employees as they affect this industry, be strictly
          observed by both parties.

(b)       The Company agrees to furnish first aid and medical service to its
          workers in any cases originating out of their work in the Company
          plant, in compliance with the Workmen's Compensation laws of the
          applicable state.  Medical services shall be performed by a doctor to
          be agreed upon by the Company and the plant safety committee, but at
          the request of the injured, and the approval of the Plant Manager and
          Director of Industrial Relations, other medical aid may be called in
          at the expense of the Company for consultation or treatment of any
          cases.  It is agreed that a complete medical examination may be
          required before an applicant is employed.  Also, that complete
          medical examination may be made annually or at any time at the
          discretion of the Company.  Copies of such reports and examinations
          will be kept on file by the Company and shall at all times be
          available for inspection to such employees.  Copies thereof shall be
          furnished to such employee's designated physician upon request.

(c)       A Joint Safety and Health Committee shall be established consisting
          of four members, two appointed by the Company and two appointed by
          the Local Union.  In the event that a member is absent from a meeting
          of the Committee, his alternate may attend and when in attendance
          shall exercise the duties of the member. The Safety Director or his
          designee will be the fifth member and act as Chairman of the
          Committee.





                                       31
<PAGE>   32
          The Joint Committee shall meet as often as necessary, but not less
          than once each month at a regularly scheduled time and place for the
          purpose of jointly considering, inspecting, investigating and
          reviewing health and safety conditions and practices and
          investigating accidents and for the purpose of jointly and
          effectively making constructive recommendations with respect thereto,
          including but not limited to the implementation of corrective
          measures to eliminate unhealthy and unsafe conditions and practices
          and to improve existing health and safety conditions and practices.
          All matters considered and handled by the Committee shall be reduced
          to writing, and joint minutes of all meetings of the Committee shall
          be made and maintained.  One union representative to the Committee
          will accompany a Federal or State investigator on a walk-around
          inspection or investigation, and will attend any pre-or
          post-inspection conferences.  All time spent in connection with the
          work of the Committee by a Union Representative including all time
          spent in pre-or post-inspection conferences and walk-around time
          spent in relation to Federal and State inspections and investigations
          as provided for above, shall be compensated at the employee's regular
          straight time hourly rate.  Any time spent during the hours the
          employee is scheduled to work shall count toward the calculation of
          any penalty or premium pay section of this Agreement including, but
          not limited to daily or weekly overtime.  Any time spent outside of
          the hours the employee is scheduled to work shall not count toward
          the calculation of any penalty or premium pay section of this
          Agreement.  No time spent outside of the hours the employee is
          scheduled to work shall be compensated at a rate greater than one (1)
          times the employee's regular straight-time hourly rate.

          Any employee who believes his job presents a hazard to his safety or
          health may request an immediate review of his job by the Joint Safety
          and Health Committee.

          No employee shall be disciplined or discharged for refusing to work
          on a job if his refusal is based on a bona fide claim that said job
          is not safe or might unduly endanger his health or safety.

(d)       (1)         An employee shall be paid a premium when he is required
                      to:

          A.          work within a kiln during the first ten (10) hours that
                      the kiln has been shutdown after it has been operating at
                      a normal level;

          B.          work within a cooler during the first two (2) hours that
                      the cooler has been shut down after it has been operating
                      at a normal level;

          C.          work within a kiln precipitator during the first four (4)
                      hours following the shut down of the kiln providing the
                      precipitator was handling the kiln gases at the time of
                      kiln shutdown;

          D.          work within a section of a kiln precipitator or a kiln
                      baghouse while the kiln is in operation and the other
                      sections of the baghouse or the precipitator are in use.





                                       32
<PAGE>   33
                      The premium shall be calculated by multiplying the
                      regular straight time hourly rate by one-half (0.5) for
                      each and every hour worked up to the 10, 2, and 4 hours
                      mentioned in A, B and C above and for 1/2 the hours
                      worked in D above.  Said premium shall be paid in
                      addition to whatever compensation the employee is
                      otherwise entitled to receive under any other section of
                      this Agreement.

          (2)         Each Plant Safety Committee will meet to determine those
                      areas of the Plant where an employee is subject to
                      excessive radiant heat for extended periods of time.  The
                      Committee will consider all conditions which affect the
                      level of heat encountered including ambient air
                      temperature.  Upon making said determination, the
                      Committee will decide what the Company shall provide as
                      reasonable protective apparel against excessive radiant
                      heat.

          (3)         In the event that an employee is required to work on top
                      of roofs, silos, scale a quarry face or work in a silo
                      under conditions that are hazardous to an employee's
                      safety, the hours worked shall be compensated for by
                      multiplying the regular straight time hourly rate by
                      one-half (0.5) for each and every hour worked that is
                      deemed hazardous, and this hazardous work premium shall
                      be paid in addition to whatever compensation the employee
                      is otherwise entitled to receive under any other section
                      of this Agreement.

(e)       Should the Company require an employee to wear foot protection, the
          Company will furnish such protection without cost to the employee.
          The liability of the Company with regard to safety shoes will be
          limited to not more than two (2) pair in any one year.  A new pair of
          shoes will only be provided an employee when the worn out pair is
          turned in for replacement.

(f)       If a mandatory eye protector program is adopted: (1) the Company will
          pay for the cost of the eye examination if safety glasses with
          corrective lenses are required; (2) the Company will pay for safety
          glasses whether or not the glasses require corrective lenses.  Safety
          glasses with or without corrective lenses will not be replaced more
          than once a year unless broken or otherwise damaged on the job.

(f)       THE COMPANY AGREES TO ALLOW AN $80 REIMBURSEMENT FOR SAFETY SHOES
          BEGINNING MAY 1, 1998.  THIS ALLOWANCE IS TO BE INCREASED BY $2.50 ON
          THE ANNIVERSARY DATE EACH YEAR OF THE AGREEMENT.

(g)       The Company shall furnish all tools and equipment for its employees
          except to repairmen and other skilled trades, in which case these
          employees shall furnish their own hand tools.  "Hand tools" as used
          herein shall not include socket sets, wrenches more than twelve (12)
          inches long, and all other specialized tools incident to the work of
          the mechanical, maintenance and skilled trades.  Any hand tool that
          the employee uses in the performance of his job duties will be
          replaced by the Company if they are broken, worn out, lost or stolen.
          Unusable tools will be presented to the Company prior to replacement.
          Lost or stolen tools must be immediately reported to the Company for
          replacement approval.





                                       33
<PAGE>   34
          Employees temporarily transferred to maintenance classifications
          shall be supplied with necessary tools.

(h)       The Furnishing of Gloves:  The Company will continue its existing
          local practices regarding the furnishing of gloves.

          Employees who are not presently receiving gloves under existing local
          practices shall receive one pair of gloves at the beginning of each
          contract year, and each such employee shall receive a maximum of one
          additional pair per contract year from the Company upon return of his
          worn out gloves.

          In the event such an employee wears out and returns the two pairs of
          gloves provided to him, the Company shall sell him an additional pair
          of gloves for each worn out pair of Company provided gloves he
          returns.  Said gloves shall be sold to the employee at the price paid
          by the Company.

(i)       If the Company requires an employee to take a physical examination,
          the Company agrees to pay for the physical examination and also
          agrees to pay the employee at his straight time hourly rate for all
          time spent in the doctor's office taking the physical examination;
          provided, however, employees receiving S & A and/or Workmen's
          Compensation benefits are not entitled to any compensation under this
          section.  (Doctor releases for returning to work are not considered
          physical examinations and will not be paid under this section).


                                  ARTICLE XII

                                MILITARY SERVICE

(a)       The Company and the Union shall comply with the Universal Military
          Training and Service Act of 1950, as amended.

(b)       Active employees with one year seniority and who are in the Reserve
          of any branch of the military service, including the National Guard,
          who are required to attend a summer encampment as part of their
          Reserve obligation shall receive from the Company the difference
          between the amount of pay received for such encampment and his
          regular straight time hourly rate of pay for up to a maximum of two
          (2) weeks per calendar year.


                                  ARTICLE XIII

                     SUPPLEMENTAL UNEMPLOYMENT BENEFIT PLAN

The Company agrees to pay out of its funds (and not out of the Trust Fund
established under Article III of the Plan) benefits in amounts equal to those
provided by Section 2 of Article VIII of the Plan upon termination of
employment on or after May 1, 1965, after an employee (as defined





                                       34
<PAGE>   35
in Section 6, Article II of the Plan) is sixty-five years old, provided such
employee is not eligible for a pension under the current Pension Plan for
Hourly Employees of the Company.

The foregoing to the contrary notwithstanding, the above payment shall not be
paid directly by the Company until termination benefits paid from the Trust and
Contingent Funds exhaust those funds.

                                  ARTICLE XIV

                                 SUBCONTRACTING

(a)       The Company will not contract for production or maintenance work
          customarily performed by its own employees unless it is more
          economical, expeditious, and/or efficient to do otherwise.

(b)       The Company may enter into contract arrangements for obtaining raw
          materials, semi-finished or finished products.

(c)       Notwithstanding the above, the Company will not contract or
          subcontract work covered by Paragraphs (a.) or (b.) above if it will
          directly result in the 1) laying off of (or failure to recall
          qualified) bargaining unit employees, or 2) the reduction of hours of
          bargaining unit employees below 40 hours a week; or 3) reduction of
          employees to a lower rated classification.  It is understood that
          layoffs attributable to such things as inventory or production
          adjustments, changes in methods, processes or technologies, and/or
          break downs or failure of equipment power failure or any conditions
          beyond the control of the Company, are specifically exempted from
          this commitment.

(d)       Further, (a), (b) and (c) above does not apply to new construction or
          to construction involved in major modification work.

(e)       The Company agrees to notify the Local Union in writing with a copy
          to the International or District Representative who services the
          Local Union, sent by registered mail, at least fourteen (14) days in
          advance if reasonably possible, and to meet with the Union, upon
          request by the Union, for explanation of the reasons causing the
          Company to decide to contract any production and maintenance work.
          The parties agree that while notification is an important part of the
          working relationship between the parties and should be adhered to in
          order to reduce the number of disputes concerning sub-contracting the
          parties also recognize and agree that this Section of the Contract
          does not require any penalty when the Company fails to give proper
          written notice of its intention to sub-contract.





                                       35
<PAGE>   36
                                   ARTICLE XV

                                 MISCELLANEOUS

(a)       The Company will enter into a Union label agreement for the Company's
          packaged products.

(b)       All basic, supplemental, pension, S.U.B. and insurance agreements
          will be printed at the Company's expense and will bear the Union
          label. The Company will provide each local with a supply of the
          booklets.  The Company will print all Agreement booklets in large and
          legible type.

(c)       If the Union alleges that a Leadman or Temporary Foreman is exceeding
          or abusing his authority or that his actions violate the Contract,
          the Union may grieve their allegations directly to the Plant Manager.
          The Company will notify the employees involved whenever a Leadman or
          Temporary Foreman is being assigned.


                                  ARTICLE XVI

                               TERM OF AGREEMENT

(a)       This Agreement shall be binding upon the parties hereto, their
          successors, administrators, executors and assigns. In the event of
          the sale or lease by the Company of any of the plants covered by this
          Agreement, or in the event the Company is taken over by sale, lease,
          assignment, receivership or bankruptcy proceeding, such operations
          shall continue to be subject to the terms and conditions of this
          Agreement for the life thereof.

          The Company will notify the Union immediately prior to any Company
          press release concerning the intended sale or completed sale of a
          Plant.

          The Company shall give notice of the existence of this Agreement to
          any purchaser, lessee or assignee of said plant.  Such notice shall
          be in writing with a copy to the Union not later than the effective
          date of the sale.

(b)       After ratification by the members of the Local Unions this Agreement
          shall become effective and remain in full force and effect and be
          binding upon the parties hereto from the date ratification is
          certified by the International Union to and including April 30, 1998,
          and it shall continue in full force and effect thereafter from year
          to year until either party on or before March 1st of any year,
          beginning March 1, 1998 gives written notice to the other party of
          its desire or intention either to alter or modify or to terminate the
          same. If such notice is given, the parties hereto shall begin
          negotiations not later than March 31st in such year and this
          Agreement shall continue in full force and effect until completion
          and signing a new Agreement, provided, however, that after such
          negotiations have continued without reaching an agreement until May
          1st in any year, then either party may terminate this Agreement, at
          any time thereafter upon notice.





                                       36
<PAGE>   37
(c)       The written notice set forth in (b) above by either party shall
          contain any changes or amendments desired, and only such changes or
          amendments as are contained in the two written notices shall be
          discussed by the conferees.

(d)       The proposals and counter-proposals made by each party shall not be
          used, or referred to, in any way during or in connection with the
          arbitration of any grievance arising under the provisions of the
          Agreement.

Ratification of this Basic Agreement and the Local Agreements was certified by
J.C. Todd. International Union Representative, on May 7. 1994.

<TABLE>
<S>                                           <C>
FOR THE MEDUSA CEMENT COMPANY                 FOR THE UNITED CEMENT, LIME
(DIVISION OF MEDUSA CORPORATION)              GYPSUM AND ALLIED WORKERS
                                              DIVISION (Boilermakers Union)


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

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

- -----------------------------------          -----------------------------------
     /98                                          /98


FOR THE CLINCHFIELD PLANT                    FOR LOCAL D-23


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

- -----------------------------------          -----------------------------------
     /98                                          /98


FOR THE CHARLEVOIX PLANT                     FOR LOCAL D-480


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

- -----------------------------------          -----------------------------------
     /98                                          /98
</TABLE>





                                       37
<PAGE>   38
August 5, 1987



Mr. August Clavier
THE CEMENT, LIME, GYPSUM AND
ALLIED WORKERS DIVISION
Alpena, Michigan 49707

Dear Mr. Clavier:

This letter will confirm that the Company has not entered into any secret
agreements with any sub-contractors for the purpose of making reductions in
employment at the plants nor does it have any plan to enter into any agreements
the effect of which would be in violation of the sub-contracting clause of the
labor agreement.

Sincerely,



Peter H. Geis
Corporate Director of
Labor Relations





                                       38
<PAGE>   39



                               AGREEMENT BETWEEN

            MEDUSA CEMENT COMPANY (Division of Medusa Corporation)

                                     and

                 THE CEMENT, LIME, GYPSUM AND ALLIED WORKERS
                    DIVISION (INTERNATIONAL BROTHERHOOD OF
                           BOILERMAKERS, IRON SHIP
             BUILDERS, BLACKSMITHS, FORGERS AND HELPERS, AFL-CIO)

                     LOCAL NO. D480 - CHARLEVOIX, MICHIGAN

                          LOCAL SUPPLEMENTAL AGREEMENT

                      EFFECTIVE MAY 1, 1998 TO MAY 1, 2003





                                       39
<PAGE>   40
                  LOCAL UNION NO. D480 - CHARLEVOIX, MICHIGAN
                          LOCAL SUPPLEMENTAL AGREEMENT


<TABLE>
<S>       <C>                                             <C>
   I      Agreement and Purpose                           1
  II      Union Recognition and Security                  2
 III      Management                                      2
  IV      Seniority                                       2
   V      Employment and Promotion                        3
  VI      Working Conditions                              4
 VII      Vacations with Pay                              5
VIII      Holidays                                        7
  IX      Bulletin Boards                                 7
   X      Miscellaneous                                   7
  XI      Term of Agreement                               10
          Job Classifications and Wage Rates              11
          Local Agreements                                24
          Charlevoix Seniority List                       27
</TABLE>





                                       40
<PAGE>   41


                              AGREEMENT BETWEEN

                  MEDUSA CEMENT COMPANY (Division of Medusa Corporation) 
                                     and
             THE CEMENT, LIME, GYPSUM AND ALLIED WORKERS DIVISION
            (International Brotherhood of Boilermakers, Iron Ship
             Builders, Blacksmiths, Forgers and Helpers, AFL-CIO)

                 LOCAL UNION NO. D480 - CHARLEVOIX, MICHIGAN

                         LOCAL SUPPLEMENTAL AGREEMENT





                                       41
<PAGE>   42
                                   ARTICLE I

                             AGREEMENT AND PURPOSE
                                (B.A. Article 1)

(a)       This Agreement is by and between the Medusa Cement Company, Division
          of Medusa Corporation, hereinafter called the "Company" and the
          Cement, Lime, Gypsum and Allied Workers Division No. 480 affiliated
          with the Cement, Lime, Gypsum and Allied Workers Division
          (International Brotherhood of Boilermakers, Iron Ship Builders,
          Blacksmiths, Forgers and Helpers, AFL-CIO) hereinafter called the
          "Union" and is supplemental to and a part of the Basic Agreement
          dated May 1, 1998 by and between the Company and the said Division.

(b)       All Agreements reached between the Union and the Company shall be
          reduced to writing and signed by the parties.


                                   ARTICLE II

                         UNION RECOGNITION AND SECURITY
                               (B.A. Article II)

(a)       The Company is willing at all times to meet its employees' committee
          and representatives of the International Union for the purpose of
          discussing wages, hours, and working conditions, with the object to
          reach a satisfactory agreement.

(b)       The committee shall consist of not more than five (5) and not less
          than three (3) members.

(c)       Union dues will be deducted as close as the system permits, from the
          weekly paycheck after the first full week of the month for that given
          month.  The Personnel Clerk will cooperate with the Financial
          Secretary of the Union if individual collection problems arise.

                                  ARTICLE III

                                   MANAGEMENT

(a)       The Union agrees to recognize the Company's right to manage its plant
          and direct its working force except as specifically limited by the
          terms of this Agreement.





                                       42
<PAGE>   43
                                   ARTICLE IV

                                   SENIORITY
                               (B.A. Article III)

(a)       Any employee detained from work on account of sickness or for any
          other good reason shall notify the Plant Manager or his Foreman,
          before the start of his shift.  Any employees absenting themselves
          from work for five (5) consecutive days without good and satisfactory
          reasons may be discharged and dropped from the seniority list and
          payroll of the Company.  Repeated absence of less than five (5) days
          shall be subject to a progressive disciplinary program, and the Local
          Union will receive communications pertaining to each step
          disciplinary action within one working day excluding Saturdays,
          Sundays, and holidays of any action taken.

(b)       Subject to the approval of the Company, employees requesting a leave
          of absence in writing for personal reasons may be granted leaves of
          absence not to exceed thirty (30) calendar days.

                                   ARTICLE V

                           EMPLOYMENT AND PROMOTIONS

(a)       When considering applicants for a vacant job pursuant to Article IV
          Section (h) of the Basic Agreement, an employee who has previously
          held and worked on_a job permanently for one year or more in the
          THREE years prior to the bid in question shall have preference over
          an employee who has not previously held that bid job. When the
          Company elects to award a job to an applicant who will require
          training to satisfactorily perform the work, the employee to whom the
          job was awarded will receive the rate of pay for the job he
          previously held or the rate of pay for the job he was awarded,
          whichever is less.  It is understood that when the Company trains an
          employee, the employee in training will not work in place of an
          employee whose job is the same as the employee in training.  When an
          employee's training is completed, the employee will be paid the rate
          of the job he was awarded.  This section does not apply to an
          employee who bids for a maintenance job.


                                   ARTICLE Vl

                               WORKING CONDITIONS
                                (B.A. Article V)

(a)       In accordance with Article (V)(h)(2) of the Basic Agreement overtime
          in the various job classifications will be reasonably equally divided
          among the employees of the respective job classification insofar as
          it is practical to do so.

(b)       Temporary Job Vacancies: The Company shall not be required to fill
          temporary job vacancies, whether scheduled or unscheduled, unless the
          efficient operation of the plant requires that said temporary job
          vacancies be filled.

(c)       When the Company determines that a temporary vacancy, scheduled or
          unscheduled, is to be filled by a laborer, the assignment will be
          made in the best interest of the efficient





                                       43
<PAGE>   44
          operation of the Plant.  In many instances, the company will offer
          the senior laborer an upgrade to higher rated classifications and
          will continue to do so depending on the circumstances, but not as a
          contractual requirement.  However, if the Union determines that a
          repeated pattern and Practice of ignoring seniority on upgrades has
          developed concerning a particular individual or group of individuals,
          it may grieve such allegation directly to the Plant Manager.

          If the Union determines that evidence indicates that the Company is
          pre-training certain laborers so that employees are being
          discriminatorily selected for a particular job opening, it may
          present this allegation in the form of a grievance which will
          commence at the third step of the grievance procedure.

          Experience gained in a temporary job assigned or awarded in
          accordance with this Section shall not be considered in the awarding
          of any job.  This Section does not alter or change the terms and
          provisions of Section (b).

(d)       The Normal schedule for day shift laboratory employees shall be 7:00
          A.M. to 3:00 P.M. with a paid lunch period.  This agreement does not
          limit the Company's right to change schedules under the scheduling
          clause.

(e)       The Company is willing to post changes in an employee's schedule if
          it changed after the Thursday posting. The parties recognize that
          this is for information purposes only, there are no time requirements
          and that no penalties are required if such posting does not take
          place.

(f)       The Company will ensure that only properly trained individuals are
          assigned to operate the Mobile Crane.

(g)       Under normal circumstances, if the Company requires an employee in
          the Quarry to go to the Plant to obtain parts or supplies, it will
          provide transportation to and from the Plant.


                                  ARTICLE VII

                               VACATIONS WITH PAY
                               (B.A. Article Vl)

(a)       In accordance with Article Vl(a) of the Basic Agreement any employee
          who works during at least thirteen (13) weeks in each calendar year
          shall be granted vacation off work without loss of pay, according to
          the schedule in Section (b) of Article Vl of the Basic Agreement.

(b)       The Company shall submit appropriate application blanks to the
          employee within the first week of the calendar year, and they are to
          be returned to the Company within one month.  In the event an
          employee fails to return this form to the Company, then after this
          one month period, the Company shall designate the employee's vacation
          period, and notify the employee who fails to return this application
          to the Company and the Union of the vacation





                                       44
<PAGE>   45
          period designated for the employee.  All vacation blanks received
          from employees or issued by the Company shall be returned to the
          employees not later than the first week in March.

(c)       Any change in an employee's selected and designated vacation period
          must be approved by the Company and the Union Committee.

(d)       (1)         Employees entitled to two (2) or more weeks of vacation
                      may be permitted to take such vacations in two (2)
                      separate periods of not less than one (1) week each.
                      Seniority preference, however can be exercised in only
                      one (1) such vacation period.

          (2)         At the option of the employee, one week of his vacation
                      may be taken in single days, provided that he states his
                      intentions when selecting his vacation at the start of
                      the calendar year.

                      When making the final selection of the single vacation
                      days, the employee shall give as much notice as possible
                      but not less than 72 hours and request approval by the
                      Plant Manager to take the vacation days chosen.  This
                      request shall not be unreasonably withheld.

                      If an employee's schedule is changed after the Thursday
                      posting as a result of another employee taking a vacation
                      day one day at a time, there shall be no schedule penalty
                      paid to such employee.

(e)       Vacations shall be taken within the calendar year in which it is
          granted.

(f)       Employees who have one (1) or more years of service and who are
          separated from service for any reason will receive vacation pay due
          them on the following basis: One-twelfth (1/12) vacation credit for
          each one hundred (100) hours worked in his current calendar year.

(g)       In the event the employment of any such employee is terminated for
          any reason, the Company shall pay to the employee, or to his
          beneficiary in the event of his death, all vacation due.

(h)       THE BALANCE OF AN EMPLOYEE'S SINGLE DAY VACATION WHICH IS NOT
          SCHEDULED AND APPROVED BY SEPTEMBER 1 OF EACH YEAR WILL BE SCHEDULED
          BY MANAGEMENT.





                                       45
<PAGE>   46
                                  ARTICLE VIII

                                    HOLIDAYS
                               (B.A. Article VII)

(a)       New Year's Day, Good Friday, Memorial Day, Independence Day, Labor
          Day, First Day of Michigan Deer Season, Thanksgiving Day, Christmas
          Day, and three floating holidays are recognized as "Holidays".

(b)       AN EMPLOYEE REGULARLY SCHEDULED ON A ROTATING SHIFT THAT HAS A 
          HOLIDAY OBSERVED DURING THEIR NORMAL WORK WEEK WOULD HAVE THE
          FOLLOWING OPTIONS:

        A. THE EMPLOYEE COULD WORK THE HOLIDAY AND PRESENT CONTRACT LANGUAGE
WOULD APPLY.

        B. THE EMPLOYEE WILL NOTIFY THE COMPANY ONE (1) WEEK PRIOR TO THE
HOLIDAY THAT HE ELECTS TO WORK THE HOLIDAY AS A "NON HOLIDAY" AT THE
APPROPRIATE RATE AS THOUGH IT WAS A REGULAR WORKDAY AND RECEIVE AN ADDITIONAL
FLOATING HOLIDAY.

             THE ABOVE WOULD APPLY TO HOLIDAYS OCCURRING PRIOR TO SEPTEMBER 1ST
OF THE AFFECTED YEAR.

             THE COMPANY WILL REVIEW THIS DURING THE FIRST TWO CALENDAR YEARS
OF THE CONTRACT AND NOTIFY THE UNION IF THIS PRACTICE WILL CONTINUE THE
REMAINDER OF THE CONTRACT TERM BY 31 DECEMBER 1999 OF THE SECOND YEAR.

                                   ARTICLE IX

                                BULLETIN BOARDS

(a)       The Company agrees to allow the proper officers of the Union who are
          employees of the Charlevoix Plant of the Company to use one
          designated section of the plant bulletin board for posting notices in
          the interest of the Company and its employees.

                                   ARTICLE X

                                 MISCELLANEOUS
                               (B.A. Article XV)

(a)       The Company will post a copy of the job description when a new job is
          bid.

(b)       As has been the practice, classified employees will be assigned to
          assist servicemen engaged by the Company to work on Company-owned
          equipment during regular or overtime hours whenever their services
          are required. THE COMPANY WILL NOT BE REQUIRED TO ASSIGN CLASSIFIED
          PERSONNEL TO ASSIST SERVICEMAN PERFORMING ROUTINE LUBRICANTS AND
          FLUIDS SERVICE REQUIRED TO MAINTAIN WARRANTY CONDITIONS.

(c)       The Company will meet with the Union Committee as soon as practical
          after disciplinary action has been taken against an employee which
          results in loss of pay to explain the reasons for the discipline
          given.





                                       46
<PAGE>   47
          Under certain circumstances the Company may notify the Union of such
          action prior to the time action is actually taken.

(d)       If an employee's paycheck is short in excess of $25.00, the Company
          ill make up the shortage in cash or check prior to the completion of
          his next scheduled shift (excluding weekends and holidays).

(e)       In the event that an endloader is used to replace the shovel for the
          purpose of digging and loading stone at the quarry face, the
          endloader operator shall be paid the regular classified hourly rate
          of the shovel operator.  A man classified as a shovel operator may
          only operate a front end loader when loading shot rock, shale or
          sand.

(f)       If the Company requires an employee to work overtime without at least
          one (1) day's notice, and the employee is unable to obtain
          transportation to his house, the Company will provide transportation
          for the employee.

(g)       Mowing lawns with power-driven equipment:  Service equipment
          operators rate.

(h)       Painters - Bracket 11 (painting walls, floors, etc., with brushes,
          mixing, aesthetic qualities, etc. are important) and Bracket 8
          (machinery and equipment, railings, steps, guards, etc. - using
          brushes or spray guns - industrial painting).  Does not limit right
          to contract out work. Rate only.

(i)       The Company will continue to supply protective leathers and coveralls
          for the jobs it has in the past and make sure adequate quantities of
          same are available for on the job use.

(j)       An overtime list shall be posted weekly and shall include total hours
          worked and refused. Call-out sheets will be posted each day, Monday
          through Friday.

(k)       The Company will initiate a program to provide specific training
          courses for specific cement plant equipment.  These programs will be
          reviewed by the Maintenance Training Committee by August 15, 1978.

          The Committee will meet thereafter as required to review progress of
          trainees and course content.

          The maintenance training program shall be modified to limit the
          number of trainees to a maximum of forty percent (40%) in the
          electrical and instrument areas.

          When job openings occur such that the number of trainees would exceed
          this percentage the job opening will be bid for qualified electrician
          or instrumentman rather than for a trainee.

          The maintenance training committee shall use their efforts to improve
          the course content in these two areas to improve the skill and
          knowledge levels.





                                       47
<PAGE>   48
(l)       The Company has purchased a 3-1/2 yard bucket endloader which will be
          assigned to the Service Equipment Classification.

(m)       Maintenance Training Committee shall meet at least once every month.

(n)       For purposes of overtime distribution, when probationary employees
          are added to a job classification they will enter the classification
          at the highest number of overtime hours existing in the
          classification plus one.

(o)       It is understood by both the Union and the Company that the Director
          of Industrial Relations will contact the payroll department of each
          plant to make arrangements that will allow for S.U.B. payments to be
          made by the end of the second week an employee is laid off.  This
          arrangement will be made within a six (6) week period following the
          ratification of the 1975 contracts by the Local Unions.

          It is further understood that any S.U.B. payments made in advance of
          meeting the requirements of the existing S.U.B. agreement between the
          parties will remain subject to Section 7, Recovery of Overpayments,
          of the S.U.B.  Agreement.

                                   ARTICLE Xl

                               TERM OF AGREEMENT
                               (B.A. Article XVI)

(a)       This Agreement shall have the same effective date and term and is
          subject to the same conditions and expiration provisions as the Basic
          Agreement.

          IN WITNESS WHEREOF, this Agreement between the parties has been
          executed by their duly authorized representatives this ____ day of
          May, 1998.


FOR THE MEDUSA CEMENT COMPANY                FOR THE UNITED CEMENT, LIME
(DIVISION OF MEDUSA CORPORATION)             GYPSUM AND ALLIED WORKERS
                                             DIVISION (Boilermakers Union)

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

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

- -----------------------------------          -----------------------------------
   98                                            98

FOR THE CHARLEVOIX PLANT                     FOR LOCAL D-480

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

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





                                       48
<PAGE>   49
                         WAGE RATES - CHARLEVOIX PLANT

<TABLE>
<CAPTION>
                                                                EFFECTIVE
                                                                ---------
BRACKET   JOB TITLE                      05/01/98    05/01/99    05/01/00    05/01/01   05/01/02
- -------   ---------                                                                       
<S>      <C>                            <C>         <C>         <C>         <C>        <C>
1         Laborer (1)                   $13.99      $14.59      $15.14      $15.69       16.24
2         Janitor                        16.16       16.76       17.31       17.86       18.41
3             -                          16.31       16.91       17.46       18.01       18.56
4             -                          16.46       17.06       17.61       18.16       18.71
5             -                          16.61       17.21       17.76       18.31       18.86
6             -                          16.76       17.36       17.91       18.46       19.01
7             -                          16.91       17.51       18.06       18.61       19.16
8             -                          17.06       17.66       18.21       18.76       19.31
9             -                          17.21       17.81       18.36       18.91       19.46
10            -                          17.36       17.96       18.51       19.06       19.61
11        Stockman                       17.51       18.11       18.66       19.21       19.76
12        Lubeman                        17.66       18.26       18.81       19.36       19.91
          Repairman B
          Mechanic B
          Service Equipment Operator
          Truck Driver - Quarry
          Driller - Blaster
          -----------------
13            -                          17.81       18.41       18.96       19.51       20.06
14        Mobile Crane Operator          17.96       18.56       19.11       19.66       20.21
          Instrument B
          Electrician B
          Diesel Mechanic B
15        Machinist B                    18.11       18.71       19.26       19.81       20.36
          Cement Loader
16        Laboratory Technician          18.26       18.86       19.41       19.96       20.51
17        Repairman A                    18.41       19.01       19.56       20.11       20.66
          Combination Quarry Operator
          Premo
          Mechanic A
18            -                          18.56       19.16       19.71       20.26       20.81
19        Electrician A                  18.71       19.31       19.86       20.41       20.96
          Machinist A
          Instrument A
          Mechanic A -  Deisel
          Analytical Chemist
          Physical Chemist
          Utility Chemist
          Shovel Operator
20            -                          18.86       19.46       20.01       20.56       21.11
21        Control Room Operator          19.51       20.36       21.16       21.71       22.26
          Shift Breaker

</TABLE>

(1)       Laborers hired after May 1, 1998 shall be paid in accordance with 
          the following schedule:


<TABLE>
<S>      <C>                            <C>         <C>         <C>         <C>        <C>
         New Hire Rate                  $10.49       11.09       11.36       11.77       12.18
  I      6 months after D.O.H.           11.19       11.67       12.11       12.55       12.99
 II      1 year after D.O.H.             12.59       13.13       13.63       14.12       14.62
III      1-1/2 years after D.O.H.        13.99       14.59       15.14       15.69       16.24
</TABLE>





                                       49
<PAGE>   50

May 20, 1981


Mr. Thomas Oleksy
President, Local D480
UNITED CEMENT, LIME, GYPSUM AND
ALLIED WORKERS INTERNATIONAL UNION
Charlevoix, Michigan 49720

Dear Mr. Oleksy:

The following understanding has been agreed to by the Company and the Local
Union:

                  PROCEDURE FOR OVERTIME-CHARGING OF REFUSAL

1.        A weekly overtime list will be posted as a guide to equally divide
          overtime in the respective job classifications.

2.        Under normal circumstances all calls for callouts shall be verified
          by a bargaining unit member.

3.        Overtime will be charged as long as contact is made at the employees
          home.

4.        Refused overtime will be charged at 1 X's the time worked or paid,
          whichever is greater.  If an employee has no phone, he will be
          charged as if refused.  Grievance pay in regards to OT, foreman
          working, etc., will be charged as overtime worked.

5.        Refused overtime is not to be charged when an employee is on
          vacation, on sick & accident, workmen's compensation, on funeral
          leave, or leave of absence.

6.        Overtime refused once in a 24-hour period does not mean the employee
          has refused all overtime for that period.  Contacts or callouts will
          not be made in less than four (4) hour intervals.

7.        When an employee returns to work after being off on S & A or
          Workmen's Comp., he shall have his overtime brought up to one (1)
          hour below the lowest man in the classification. Leave of absence,
          etc.

Sincerely,



Peter H. Geis
Director of Labor Relations & E.E.O.





                                       50
<PAGE>   51
April 23, 1979


Mr. Thomas Oleksy
President, Local D480
UNITED CEMENT, LIME, GYPSUM AND
ALLIED WORKERS INTERNATIONAL UNION
Charlevoix, Michigan 49720

Dear Mr. Oleksy:

                  OVERTIME DISTRIBUTION FOR REFRACTORY REPAIR
                             POLICY AND GUIDELINES

PLANED SHUTDOWN OF KILN

Overtime to be distributed first among the following classifications:

          Control Operator
          Process Repair - Mobile Equipment Oper.
          Laboratory Technician

Those regularly scheduled to work will work overtime if required.  Those
scheduled off, will remain off, unless additional help is needed, in which case
the man with the lowest number of overtime hours in the above classifications
will be called first.

UNPLANNED (EMERGENCY) SHUTDOWN FOR BRICK REPAIR

Overtime divided first among the following classifications:

          Control Operator
          Process Repair-Mobile Equip. Oper.
          Laboratory Technician

1.        No overtime will be created for the purpose of equalizing overtime.

2.        Unless specific circumstances require that additional hours be
          worked, four hours overtime in addition to the regularly scheduled
          eight hours shall be considered maximum, as well as eight hours
          overtime on an off day.

This shall not constitute a guarantee for those hours.

Sincerely,




Peter H. Geis
Director of Labor Relations & E.E.O.





                                       51
<PAGE>   52
July 13, 1978


Mr. Thomas Oleksy
President, Local D480
UNITED CEMENT, LIME GYPSUM AND
ALLIED WORKERS INTERNATIONAL UNION
Charlevoix, Michigan 49720

Dear Mr. Oleksy:

The following understanding has been agreed to by the Company and the Local
Union.

FILLING VACANCIES ON SHIFT (applies to full 8 hour shift)

If low overtime individual in classification is on off day when vacancy occurs,
he will be offered the full 8 hour shift.  If he refuses or if off individual
is not low overtime, then the shift will be split in 4 hour increments between
individuals on shift either side of the vacant shift.

No penalty payment is required if this procedure is not followed.

Sincerely,



Peter H. Geis
Director of Labor Relations & E.E.O.





                                       52
<PAGE>   53
August 28, 1980


Mr. Thomas Oleksy
President, Local D480
UNITED CEMENT, LIME, GYPSUM AND
ALLIED WORKERS INTERNATIONAL UNION
Charlevoix, Michigan 49720

Dear Mr. Oleksy:

The following understanding has been agreed to by the Company and the Local
Union:

AGREEMENT CONCERNING DUTIES OF PROCESS REPAIR-MOBILE
EQUIP. OPERATOR

As part of their duties the Process Repair - Mobile Equipment Operators use
endloaders of 4 or more cubic yards capacity and other small mobile equipment.

The use of small endloaders is limited to the work necessary to provide access
to production machinery, the movement of materials necessary to keep production
machinery operating, and other uses related to their shift operations.  Use of
small endloaders for general clean up and house keeping falls within the
Service Equipment Operators classification.

Operation of all other small equipment is limited to the use necessary to
perform their primary function of their job, i.e., such as the use of a fork
lift to handle brick.

Sincerely,



Peter H. Geis
Director of Labor Relations & E.E.O.





                                       53
<PAGE>   54
September 4, 1980


Mr. Thomas Oleksy
President, Local D480
UNITED CEMENT, LIME, GYPSUM AND
ALLIED WORKERS INTERNATIONAL UNION
Charlevoix, Michigan 49720

Dear Mr. Oleksy:

The following understanding has been agreed to by the Company and the Local
Union.

This letter is written in conjunction with the combination of the PAR, PU, and
Endloader Operator jobs into one job title - Process Repair - Mobile Equipment
Operator.

The operation of the 50 ton quarry trucks by the Process Repair - Mobile
Equipment Operator will be limited to the handling of kiln dust.  This includes
pugging, hauling and clean-up of this total area.

The scraper will be limited to Quarry Utility classification wherever it is
used.

The operation of endloaders involved in quarrying, stripping, road building and
land reclamation belongs to the quarry classifications.

Sincerely,



Peter H. Geis
Director of Labor Relations & E.E.O.





                                       54
<PAGE>   55
11/21/78 (Revised as to Job Title 8/29/80)


Mr. Thomas Oleksy
President, Local D480
UNITED CEMENT, LIME, GYPSUM AND
ALLIED WORKERS INTERNATIONAL UNION
Charlevoix, Michigan 48720

Dear Mr. Oleksy:

The following understanding has been agreed to by the Company and the Local
Union:

MOBILE CRANE OPERATOR

The mobile crane (cherry picker) is operated by the repairmen, mechanics,
quarry utility, and Service Equipment Operator classifications.

Quarry Utility operation of the crane is limited to activities associated with
the quarry other than repair work.

When the crane is being used, and the repairman, mechanics or quarry utility
are working on overtime, and the overtime actually worked on the job exceeds 2
hours, the qualified Service Equipment Operators shall be offered the job of
operating the crane.

Operation of the crane, when not involved in the above procedures, shall be in
the Service Operators classification.

Sincerely,



Peter H. Geis
Director of Labor Relations & E.E.O.





                                       55
<PAGE>   56
May 18, 1976


Mr. Thomas Oleksy
President, Local D480
UNITED CEMENT, LIME, GYPSUM AND
ALLIED WORKERS INTERNATIONAL UNION
Charlevoix, Michigan 49720

Dear Mr. Oleksy:

The following protection clause is still in effect:

   "Employees who are classified as "day maintenance" personnel as of June 1,
1969, will not have their schedules changed to require them to work five (5)
days at straight time other than Monday through Friday, first shift, except
past practice in regard to a plant shutdown remains unchanged.  The Company can
establish new jobs that historically have been "day maintenance" jobs, and
schedule these jobs to work days and shifts other than Monday through Friday,
first shift.  However, the job held by an employee who is classified as "day
maintenance" as of June 1, 1969, cannot be eliminated until the job is vacated
by the employee.

Sincerely,




Peter H. Geis
Director of Labor Relation & E.E.O.





                                       56
<PAGE>   57
May 18, 1979


Mr. Thomas Oleksy
President, Local D480
UNITED CEMENT, LIME GYPSUM AND
ALLIED WORKERS INTERNATIONAL UNION
Charlevoix, Michigan 49720

Dear Mr. Oleksy:

The following understanding has been agreed to by the Company and the Local
Union:

Floating holidays will be administered under the same guidelines as present
vacations.  A senior employee may not bump a junior employee from his/her
selection once the selection has been approved.

Sincerely,



Peter H. Geis
Director of Labor Relations & E.E.O.





                                       57
<PAGE>   58
March 28, 1980


Mr. August Clavier
UNITED CEMENT, LIME, GYPSUM AND
ALLIED WORKERS INTERNATIONAL UNION
Alpena, Michigan 49707

Dear Mr. Clavier

This letter is to confirm the Company's position and action taken by the
parties at our meeting with Local 480 at our Charlevoix Plant on March 25,
1980.

                      GRIEVANCES SCHEDULED FOR ARBITRATION

GRIEVANCE #47-78 - When the Company determines that it is necessary to require
an employee or employees in a classification to work overtime, it will go to
the qualified employee lowest in overtime in the classification who has not
voluntarily accepted that overtime, who is present in the plant. If sufficient
manning is not obtained at the Plant for the overtime required, the Company
will go to the employee lowest in overtime in the classification who is off, to
work the required overtime.

As circumstances permit, the Company will go outside the classification to
attempt to obtain another qualified employee before requiring an employee in
the classification to work overtime.

In the settlement of the grievance, the Company will reduce the three-day
disciplinary layoff to one day and the two applicable grievants will be paid
sixteen (16) hours at straight time.

Sincerely,



Peter H. Geis
Director of Labor Relations & E.E.O.





                                       58
<PAGE>   59
November 4, 1981



Mr. Gary Loder, Recording Sec'y.
United Cement, Lime & Gypsum
Workers International
329 Meech Street
Charlevoix, Michigan 49720

Dear Gary:

          Subject: Operating Shift Brkr. Overtime

Per our agreement at the Third Step meeting on 10-21-81 concerning Grievance
#59-81 and #66-81 the following:

The OPERATING SHIFT BREAKER will be included in both the Control Room Operator
classification and PREMO classification for overtime purposes.  His overtime
total will be incorporated in both these classifications.

Very truly yours,



Ed Pierce
Production Supt.
EP:s

cc:       T. Thimm
          T. Curtis
          P. Geis
          K. Pack
          W. Krueger
          Shift Foreman
          File





                                       59
<PAGE>   60
                     MEMORANDUM OF UNDERSTANDING - 5/20/87

                                CHARLEVOIX PLANT

Should the Machinist classification be in a position where there is only one
person in the classification and he has not completed the Maintenance
Progression Program, and the Company determines another person should be added
to the classification, it will take the following steps:

1.        It will post for a Machinist "A" and will review those who bid on the
          job.  If no one is qualified to fill the duties of a Machinist "A"
          then,

2.        The Company may hire a Machinist "A" to fill the position.

The parties recognize that this is an exception to the current terms of the
Maintenance Progression Agreement and is without precedence for any future
situations in any other classification covered by that Agreement.


                                      For Local D480, Cement, Lime, Gypsum
                                      and Allied Division (International
                                      Brotherhood of Boilermakers, Iron
For the Medusa Cement                 Ship Builders) BLACKSMITHS,
Company (Division of                  FORGERS AND HELPERS (AFL-CIO)
Medusa Corporation                    AFL-CIO)


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







                                       60
<PAGE>   61
                                CHARLEVOIX PLANT

<TABLE>
<CAPTION>
                      SENIORITY 
NAME                    DATE
<S>                   <C>
Michael Borths        6/12/66
Jim Zeitler           6/5/67
Drew Young, Jr.       6/12/67
John Bascom           7/24/67
Gary Loder            7/24/67
Dick Mitchell         7/24/67
Joseph McCann         7/25/67
Roger Kerr            7/31/67
Lenard Nelson         8/7/67
Gerald Bell           8/7/67
Harold Archey         8/28/67
Dennis Spence         9/5/67
Al Towsley            9/7/67
Richard Elzinga       9/10/67
Tony Resch            9/28/67
Tom Oleksy            12/4/67
Tracy Curtis          12/11/67
Stanley Johnston      5/27/68
Howard Herriman       7/22/68
John Borths           8/26/68
Gary Zipp             9/30/68
Richard Putman        6/2/69
Floyd Genia           2/11/70
Patrick Kerr          8/31/70
Paul Parrish          9/14/70
Gary Nelson           9/22/70
Robert Holtzman       9/24/70
Nathaniel Herriman    4/12/71
David Coen            6/17/71
Randall Williams      11/16/71
John Leadabrand       5/25/72
Tom Browe             7/10/73
Eugene Towsley        10/8/73
Kenneth Balch         11/19/73
Jeffrey Pines         11/19/73
Chester Drenth        1/2/74
William Novotny       1/2/74
Edmond Drew           3/12/75
Gary Field            8/18/75
Jerry Drost           1/6/76
Ray Dixon             2/9/76
Curtis Meixsell       9/14/76
Delbert Batdorff      8/22/77
Bruce Meggison        11/21/77
Ronald Celaschi       11/22/77
Glenn Alexander       2/12/79
James Parrish         2/19/79
Clyde Allison         2/19/79
Robert Wirgau         2/19/79
Gabriel Campbell      2/19/79
Michael Bales         5/7/79
Brian Price           5/8/79
Loren Purvis          5/8/79
Dan Gillespie         5/8/79
James Klooster        5/14/79
Bejamin Drost         7/23/79
Lindsay Thayer        7/23/79
Vernon Matthews       7/30/79
Mike Raecke           7/30/79
Robert Geer           9/17/79
Clinton Blanchard     9/17/79
Mary McDonough        9/17/79
Carol Hobbs           9/24/79
Nathan Himebauch      11/26/79
Nathan Klooster       11/26/79
Dennis Daly           12/10/79
William Webster       3/31/80
Daniel Hutterer       4/14/80
Steven Zwolanek       4/14/80
John Fritsch          4/14/80
Richard Seibert       5/15/80
Dennis Kohlbeck       6/23/80
George McClellan      9/8/80
Jesse Salinas         9/8/80
Walter Holm           9/8/80
Gerald Johnson        1/28/81
Henry Archey          1/28/81
Larry Swanson         2/11/81
Timothy Carey         2/26/81
Louis Raymond         4/22/85
David Storm           5/13/85
James Shooks          8/12/85
</TABLE>



                                      1
<PAGE>   62

<TABLE>
<CAPTION>

                     SENIORITY 
   NAME                DATE
<S>                   <C>
Gary Spencley         11/3/86
James Herriman        1/26/87
Bernie DeVries        2/23/87
Bruce Wood            9/21/87
Byron Ingalls         7/25/88
Richard Elzinga, Jr.  3/13/89
Cash Clark            12/20/89
John Coates           12/26/89
Dennis Dominic        2/25/91
Dennis Looze          2/25/91
Kevin Deming          2/25/91
Anthony Kleiber       5/28/91
Joe Left              4/27/92
Andrew Johnson        10/4/93
Michael Whitley       10/25/93
Gregg Swanson         4/24/94
Jeffrey Novotny       4/25/94
Tom Allen             3/6/95
Kevin Deschermeier    3/6/95
Larry Cross           3/13/95
John Peebles          10/9/95
Curtis Rhodes         10/9/95
Archie Cole           2/12/96
Tom Herriman          2/12/96
Matt Johnson          2/12/96
Julie Blanchard       3/11/96
Jeff Smith            11/18/96
Ryan Celaschi         11/18/96
Jason Parrish         11/3/97
Randy Zipp            11/3/97
Pat Martin            1/26/98
Maryanne Pfister      2/16/98
Michael Anderson      6/11/98
</TABLE>





                                       2

<PAGE>   1
                                                               EXHIBIT 99.4





                                   AGREEMENT

                                    between

                                SOUTHDOWN, INC.

                                      and

                           INTERNATIONAL BROTHERHOOD
                                OF BOILERMAKERS,
                            CEMENT, LIME, GYPSUM AND
                            ALLIED WORKERS DIVISION

                               LOCAL LODGE D-357





                                   Effective
                                 March 1, 1998
                                    through
                               February 28, 2003
<PAGE>   2
                                AGREEMENT INDEX

<TABLE>
<S>                                                                                                                    <C>
AGREEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

PREAMBLE  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

ARTICLE 1 - PURPOSE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

ARTICLE 2 - RECOGNITION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

ARTICLE 3 - EMPLOYMENT  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

ARTICLE 4 - MANAGEMENT  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

ARTICLE 5 - UNION ACTIVITY  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

ARTICLE 6 - SENIORITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

ARTICLE 7 - WORKFORCE CHANGES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

ARTICLE 8 - PROMOTIONS AND TRANSFERS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

ARTICLE 9 - HOURS AND WORK SCHEDULES  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  10

ARTICLE 10 - OVERTIME . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  11

ARTICLE 11 - WAGES  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  14

ARTICLE 12 - HOLIDAYS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  14

ARTICLE 13 - VACATIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  16

ARTICLE 14 - JURY DUTY - WITNESS PAY  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  18

ARTICLE 15 - FUNERAL LEAVE  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  18

ARTICLE 16 - MILITARY RESERVE SUMMER CAMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  19

ARTICLE 17 - SAFETY AND HEALTH  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  19

ARTICLE 18 - LEAVES OF ABSENCE  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  20

ARTICLE 19 - INFORMATION  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  21

ARTICLE 20 - INCAPACITATED EMPLOYEES  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  21

ARTICLE 21 - FURNISHING OF TOOLS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  22
</TABLE>
<PAGE>   3
<TABLE>
<S>                                                                                                                    <C>
ARTICLE 22 - COPIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  22

ARTICLE 23 - GRIEVANCE PROCEDURE  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  22

ARTICLE 24 - STRIKES AND LOCKOUTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  24

ARTICLE 25 - LEGISLATION  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  25

ARTICLE 26 - OVERTIME LUNCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  25

ARTICLE 27 - DUES CHECK-OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  25

ARTICLE 28 - SCOPE OF AGREEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  27

ARTICLE 29 - PAST PRACTICE  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  28

ARTICLE 30 - SKILLS TRAINING  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  28

ARTICLE 31 - TERMS OF AGREEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  28

SCHEDULE AWAGE GROUP TRAINING REQUIREMENTS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  30

SCHEDULE BWAGE RATES  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  32
</TABLE>
<PAGE>   4
                                   AGREEMENT


         This Agreement, dated March 1, 1998 is made by and between SOUTHDOWN,
         INC. and the INTERNATIONAL BROTHERHOOD OF BOILERMAKERS, CEMENT, LIME,
         GYPSUM, AND ALLIED WORKERS DIVISION, LOCAL LODGE NO. D357, referred to
         respectively as the "Company" and the "Union."


                                    PREAMBLE

         Both the Union and the Company agree that the successful operation of
         the Plant is in the best interests of the Union, its membership, the
         Company and the Committee at large.  And the best way to insure a
         successful operation is to utilize a cooperative approach to problem
         solving that utilizes input from all interested parties and
         communicate the results of decisions, and the basis for them, to those
         affected.  While a cooperative approach does not specify current or
         future action, it requires a commitment to communication,
         understanding and the future that both the Union and the Company are
         willing to make.

         In an effort to promote communication and understanding, a monthly
         meeting will be held between Union leadership and Plant management to
         discuss non-contractual issues regarding the present and future
         operation of the Plant, such as expected production and profitability,
         potential changes in working conditions and potential sources of
         improvement.  Items specifically not to be discussed include
         grievances and contractual disputes.


ARTICLE 1 - PURPOSE

         1.1     It is the object of the parties to this Agreement to protect
                 the best interests of the employees and of the Company and to
                 abide by this Agreement.


ARTICLE 2 - RECOGNITION

         2.1     Pursuant to and in conformity with the National Labor
                 Relations Act, as amended, and the certification by the
                 National Labor Relations Board, dated January 20, 1956, the
                 Company recognizes the Union as the exclusive bargaining
                 agency for all production and maintenance employees at the
                 Company's plant, Atlas storage facilities, and quarries
                 located at Fairborn, and Xenia, Ohio, but excluding all Office
                 Clerical Employees, Guards, Professional Employees, and
                 Supervisors as defined in the Act.

ARTICLE 3 - EMPLOYMENT

         3.1     (1) The Company shall not discriminate against any employee
                     because of membership in or activity in behalf of the
                     Union.





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                 (2) The Company agrees that 90 consecutive calendar days from
                     the last date of hire or rehire (but not less than 60 days
                     during each of which work was actually performed) each
                     permanent employee shall have made application for
                     membership in the Union as a condition of continued
                     employment, subject to applicable law.

         3.2     All provisions of this agreement shall be applied to all
                 employees without regard to race, color, sex, religion, creed,
                 age, national status or veteran status.  The Company and the
                 Union will comply with all federal and state laws concerning
                 the rights of workers including the Americans with
                 Disabilities Act and the Family and Medical Leave Act.

         3.3     (1) a.   All production and maintenance work customarily
                          performed by the Company in its own plant, Atlas
                          storage facilities, and quarries with its own
                          employees shall continue to be performed by the
                          Company with its own employees as long as, in the
                          opinion of management, the Company has facilities and
                          equipment and available trained personnel to
                          economically and efficiently perform the work
                          required, within the time limits within which work
                          must be performed.

                     b.   The Company agrees to notify the Local Union in
                          writing with a copy to the International
                          Representative who serves the Local Union at least
                          fourteen (14) days in advance of the date the Company
                          expects to begin work utilizing any subcontractors
                          (if such notice is reasonably possible) and to meet
                          with the Union upon request by the Union for
                          explanation of the reasons (the Company does not have
                          the facilities and/or equipment and/or available
                          trained personnel to economically and efficiently
                          perform the work required within the time limits
                          within which work must be performed in the opinion of
                          management) causing the Company to decide to contract
                          out any production and/or maintenance work.  It is
                          understood that the Company will take into
                          consideration any facts or recommendations brought to
                          its attention with regard to the Company's decision
                          to subcontract production and/or maintenance work
                          normally performed by bargaining unit employees and
                          will consider utilizing plant resources, equipment
                          and trained personnel; it is further agreed that
                          after following the above procedure it will be the
                          Company's decision in deciding whether or not to
                          subcontract.

                 (2) Section 3.3 (1) above does not apply to new construction
                     or major modification work or to the outsourcing of
                     cement, clinker, and raw materials.  It is hereby agreed
                     that the Company may, in its exclusive judgment,
                     subcontract any work in connection with or related to new
                     construction or major modification.

         3.4     It is understood and agreed that during the normal course of
                 operations it may be necessary for non-bargaining unit
                 employees to perform some bargaining unit work from time to
                 time. Such work will include corrective action; instruction or
                 training





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                 of employees; demonstration; inspection or testing of
                 equipment; work of an emergency nature; and development work
                 for new processes and/or procedures.


ARTICLE 4 - MANAGEMENT

         4.1     The Union recognizes that the management of the plant, the
                 direction of the working forces, including the right to hire,
                 discipline for just cause, the right to make and change and
                 enforce (after posting) rules for the maintenance of
                 discipline and safety; the exclusive rights to determine
                 partial or permanent discontinuance or shutdown of operations
                 (the Company's only obligation when exercising this right is
                 to bargain with the Union over the effects of that decision);
                 the right to promote, or transfer employees; the right to
                 transfer and relieve employees from duty because of lack of
                 work or other legitimate reason, and the right to establish
                 and change the working schedules and duties of employees are
                 vested in the Company, except as otherwise provided in the
                 Agreement.  The listing of specific rights in this Agreement
                 is not intended to be nor shall be considered restrictive of
                 or a waiver of any of the rights of management not listed and
                 not specifically surrendered herein, whether or not such
                 rights have been exercised by the Company in the past.


ARTICLE 5 - UNION ACTIVITY

         5.1     The Union Grievance Committee representing the employees in
                 matters other than negotiations and consisting of not more
                 than three (3) employees and the recording secretary shall
                 meet with the Company once a month on specified days, except
                 by mutual agreement a meeting may be postponed or canceled.
                 Provided, however, that matters pertaining to discharges or
                 other matters that cannot be reasonably delayed until the time
                 of the next regular meeting may be presented at any time by
                 mutual agreement.  The normal meeting day for the monthly
                 meeting shall be the third Thursday of each month.  Should
                 such day be unavailable for either party at any particular
                 meeting, sufficient notice shall be given to the other party
                 and arrangements made for later meeting.

         5.2     Insofar as practical, meetings will be conveniently scheduled
                 so as to complete all business within the normal working day
                 for day employees.  Any employee who is scheduled to work
                 during the hours the meeting is held and who attends the
                 meeting will be compensated only by multiplying his regular
                 classified hourly wage rate by the straight time hours he
                 attends the meeting.

         5.3     When a meeting is scheduled at which a representative of the
                 International Union or a representative of the Company from
                 Corporate Headquarters will attend, any member of the
                 committee who is scheduled to work the third shift immediately
                 preceding the meeting will be excused from working the third
                 shift and will be compensated by multiplying eight (8) hours
                 at his regular classified hourly wage rate plus shift
                 differential if the employee has attended the meeting.





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         5.4     Any member of the committee who is scheduled to work the
                 second shift immediately following the meeting will be excused
                 from working the second shift if the employee has attended the
                 meeting for six (6) hours.  In the event the employee is
                 excused from working the second shift, he will be compensated
                 by multiplying eight (8) hours at his regular classified
                 hourly wage rate plus shift differential.

         5.5     Any employee who is receiving sickness and accident benefits,
                 or Workers' Compensation Benefits for the day of the meeting
                 or who is absent due to disciplinary layoff shall not receive
                 any compensation under this article.

         5.6     Two members of the negotiating committee will be paid for
                 actual straight time spent in attendance at negotiating
                 meetings with the Fairborn plant not to exceed eight (8) hours
                 pay at any meeting.  The Union Negotiating Committee
                 representing the employees in negotiations shall consist of
                 not more than four (4) employees which shall include local
                 Union officers.

         5.7     Where possible, a member of the Grievance Committee shall be
                 notified before any employee is suspended from work.  If a
                 member of the Grievance Committee is not notified prior to
                 suspension, he shall be notified as soon as practical
                 thereafter.

         5.8     The Company and the Union Grievance Committee shall meet prior
                 to a discharge of an employee to review the facts of the case.

         5.9     (1) Where there is a discussion between an hourly employee and
                     a supervisor that is intended as a disciplinary measure
                     resulting in written warning, the employee may request
                     that a grievance committeeman, job steward or other
                     designated employee be present.

                 (2) It shall be the responsibility of the Union to appoint and
                     have available on each shift a committeeman, job steward
                     or other employee designated for purposes of this Section
                     who shall be identified to the Company in writing.

                 (3) It is not the intent of this Section to expand the total
                     number of committeemen as provided for in Article 5.1.

         5.10    Union activities shall not be conducted during working hours,
                 except that, with the consent of the Company, a member or
                 members of the Union Grievance Committee may try to adjust an
                 existing problem between the Union and the Company.  There
                 shall be one (1) steward on each rotating shift who may, in
                 the absence of a committee member, try to adjust an existing
                 problem.  Such consent will not be unreasonably withheld or
                 delayed.  Local Union officers and stewards off duty and
                 representatives of the International Union shall, upon
                 permission from the Company, be permitted on the Company's
                 premises to investigate grievances.  Such permission shall
                 come from the Plant Manager or his designee and will not be
                 unreasonably withheld or delayed.





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         5.11    An International Representative, upon permission from the
                 Plant Manager or his designee, may be present at any of the
                 above-mentioned meetings.


ARTICLE 6 - SENIORITY

         6.1     The following factors shall apply in the awarding of all jobs:

                 a.  For Wage Group Position 7
                     Qualifications of the applicant which shall include:
                     ability to perform the work, aptitude as determined by the
                     applicant achieving a minimum correct score of 70% on the
                     mechanical aptitude test published by the Psychological
                     Corporation, where testing is required as identified in
                     the Schedule A Wage Group Training requirements, skills,
                     Fairborn plant experience, other work experience, training
                     for the job and attendance.

                 b.  For Wage Group Positions 6 and below
                     Selection will be based upon seniority, providing the
                     employee is eligible for consideration based on all other
                     requirements of this Article.


         6.2     The selected bidder, provided he is capable of performing the
                 essential job functions, will be allowed to demonstrate his
                 abilities to perform as required.  It must be reasonable to
                 assume that such employee will be capable of performing and
                 learning the duties of such job.  Employees who have been
                 disqualified in the past for failing to demonstrate the
                 capability of performing and learning the duties of a new job
                 may be prevented from being selected for a higher rated job
                 bid award. The employee selected shall be given a fair trial
                 period as determined by the Company. The Company will provide
                 periodic written performance evaluations until the employee is
                 either qualified or disqualified.  If after a fair trial
                 period, in the judgement of the Company, the employee fails to
                 qualify, he shall be returned to his former position and the
                 next bidder be given consideration.  Employees who receive
                 repeated disciplinary tickets, relevant to job performance in
                 the twelve (12) months prior to bidding the job, will not be
                 given consideration for advancement to Wage Group 4 and above
                 or to the Entry Level Training Program.  However, if in the
                 judgement of the Company, due to unforeseen circumstances
                 there are no qualified bidders for Wage Groups 6 and 7, the
                 Company may fill Wage Groups 6 and 7 from any source.

         6.3     (1) As to employees on the payroll when this Agreement becomes
                     effective, seniority is defined as the length of
                     continuous service with the Company. Seniority rights,
                     once established, start from the last date of hire;
                     provided, however, that an employee shall not have any
                     seniority rights until after ninety (90) consecutive
                     calendar days (60 work days) following his last date of
                     hire by the Company.  Such employee shall not have
                     recourse to the grievance procedure of this Agreement and
                     may be laid off or discharged as exclusively determined by
                     the Company.





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                 (2) Probationary or temporary employees do not qualify for
                     group medical/dental benefits.

                 (3) Temporary employees may be employed between May 1 and
                     October 1.  This time period may be extended by mutual
                     agreement. They will not be subject to the 90 day
                     probationary requirements but will be treated as
                     probationary employees and may be terminated for any
                     reason during their entire period of employment.
                     Temporary employees may not be employed if there are
                     permanent bargaining unit employees with recall rights on
                     layoff.

         6.4     An employee's employment shall be terminated and the 
                 employee's seniority shall be lost by:

                     (1)  discharge for cause;
                     (2)  voluntary quit;
                     (3)  failure to notify the Company of the employee's
                          intention to return to work after layoff within three
                          (3) working days, and to actually report to work
                          within seven (7) working days (unless the latter
                          period is extended in writing by the Company) after
                          he has been notified by certified mail at his last
                          address appearing on the Company's records to report
                          to work;
                     (4)  voluntarily retire;
                     (5)  absent for seventy-two (72) or more consecutive hours
                          without notifying his foreman or obtaining the
                          approval of such absence.  This employee(s) will be
                          viewed as a voluntary quit unless the employee's
                          physical condition prevents proper notification.
                     (6)  failure to return from a medical leave of absence
                          (occupational or non-occupational) after a period of
                          twenty-four (24) consecutive months.
                     (7)  failure to return from layoff after a period of three
                          (3) consecutive years.

         6.5     During a continuous period of absence, an employee absent due
                 to layoff shall retain recall rights for a period not to
                 exceed three (3) years.  Employees will accrue seniority equal
                 to their years of service or three (3) years, whichever is
                 less.

         6.6     When a vacancy occurs for which a laid off employee is
                 qualified, he will be given certified mail notice of recall at
                 his last address as shown on Company records.  The employee
                 must notify the Company of the employee's intention to return
                 to work within three (3) working days and must report to work
                 within seven (7) working days (unless the latter period is
                 extended in writing by the Company) after he has been notified
                 by certified mail. If the employee is reinstated, he shall be
                 credited with seniority as prescribed above; if the employee
                 does not respond or refuses the recall, it shall be viewed as
                 a voluntary quit and he will forfeit all seniority and the
                 Company may fill the vacancy with a new employee.





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         6.7     (1) An employee on continuous absence due to disability shall
                     accrue seniority for a period not to exceed twenty-four
                     (24) months.  Should such an employee be declared totally
                     and permanently disabled prior to twenty-four (24) months,
                     such employee's name shall be removed from the payroll and
                     a certified mail notice to this effect will be sent to his
                     last address as shown on Company records.

                 (2) An employee returning from medical leave who is physically
                     able to return to work will return to his former position
                     or be allowed to bump to any job for which he is
                     physically capable of performing.  Qualification will be
                     handled as in the normal bidding procedure.

         6.8     Should an employee in the bargaining unit be promoted to a
                 supervisory position outside the coverage of this Agreement
                 and later after promotion be demoted, his seniority will be
                 reinstated in the amount he had when promoted. Any employee
                 promoted to a supervisory position after March 1, 1994 may
                 only be permitted to return to the bargaining unit within one
                 (1) year of the promotion.

         6.9     Seniority lists agreed to by and between the Company and the
                 Union shall be posted on the bulletin board as of May 1 and
                 November 1 of each year.  Corrections shall be made in the
                 seniority lists when it is proven an employee is placed in the
                 wrong position on said list, but all requests for corrections
                 must be made within thirty (30) calendar days from date of
                 posting or the list shall be valid as posted.

         6.10    When the Company declares that a full time shift exists, where
                 possible, employees in the classification affected may
                 exercise their seniority to choose that full time shift.  An
                 employee may exercise his seniority no more than twice per
                 calendar year for shift selection.

         6.11    Senior employees in the labor force shall be given preference
                 to filling any temporary job with a higher wage rate.
                 However, the Company has the right to fill such temporary job
                 with another senior qualified laborer, if such employee became
                 qualified in the position in question while he was the senior
                 laborer, or under the bid system.  If no one in the labor
                 force is qualified, the most senior laborer will be trained
                 for the job.


ARTICLE 7 - WORKFORCE CHANGES

         7.1     Should the Company reduce the workforce due to layoff or any
                 other reason, the Company will give the Union reasonable
                 advance notice of same and, upon request by the Union,
                 promptly meet to review and explain such reductions.

         7.2     (1) If the Company determines that the number of employees in
                     any job classification(s) are to be reduced or eliminated,
                     the decision as to which employee or employees are to be
                     removed from a job classification, shall be made by
                     seniority.  However, in classifications in Wage Groups 6
                     and 7 and in positions with training programs, the Company
                     may have to deviate from





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                     seniority to retain needed skills to ensure efficient 
                     operations.

                 (2) Any employee so removed from a job classification in
                     accordance with paragraph 7.2 (1) above, may exercise his
                     seniority to move into any other job classification for
                     which he is qualified.  Consequently, if this procedure
                     results in the Company declaring that the number of
                     employees in the job classification to which the employee
                     has transferred must be reduced, the same procedure shall
                     be utilized.  Any subsequent transfers as a result of the
                     above procedure will result with the least senior employee
                     or group of employees being laid off.

                 (3) "Qualified" for purposes of this paragraph 7.2 (2) shall
                     mean that an employee must be able to perform all duties
                     connected with the job classification within ten (10)
                     working days.  It is further understood that the Company
                     shall allow the employee to demonstrate his abilities to
                     perform as required.  It must be reasonable to assume that
                     such employee will be capable of performing the duties of
                     such job. For positions in Wage Groups 6 and 7, an
                     employee wishing to exercise seniority must have been
                     assigned to the position before, been fully qualified, and
                     left that job in good standing.

                 (4) Employees will be recalled in the reverse order that they
                     were laid off.

         7.3     In the event the Company declares a temporary reduction in the
                 workforce due to a curtailment or shutdown because of business
                 or any other conditions, employees retained to perform
                 necessary work shall be selected on the following basis:

                 (1) Senior employees, whose regular jobs are not required,
                     shall have the option of accepting available work for
                     which they are qualified or accepting layoff, except that,

                 (2) The Company has the right to require that senior employees
                     work during the shutdown if there are not junior employees
                     with the necessary qualifications to perform the required
                     work.

                 (3) "Qualified" for purposes of paragraph 7.3 (1) shall mean
                     that an employee must be able to perform all duties
                     connected with the job classification without any training
                     and within five (5) working days.

         7.4     The Company's decision concerning qualification as used in
                 this Article is subject to the grievance procedure.

         7.5     Should the Company permanently shut down the present
                 facilities affording employment to the employees comprising
                 the bargaining unit (the present facilities shall be deemed to
                 have been permanently shut down if all productive facilities
                 are abandoned even though shipping facilities continue to
                 operate) the Company shall mail a notice informing each
                 affected employee that his employment with the Company has
                 been terminated because of permanent shutdown.  The notice
                 shall be given in accordance with applicable federal law.





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         7.6     New bargaining unit jobs, or bargaining unit jobs that have
                 experienced significant changes in duties, equipment, or
                 requirements will be discussed in the monthly Labor-Management
                 meeting.


ARTICLE 8 - PROMOTIONS AND TRANSFERS

         8.1     When the Company determines a vacancy exists, other than a
                 minimum pay job, the Company will post a notice of such fact,
                 such notice to remain posted for a period of at least
                 seventy-two (72) consecutive hours, not including Saturdays,
                 Sundays, or holidays.  This notice shall state rates of pay,
                 hours, and job requirements.  Employees who wish the job shall
                 be considered in the manner provided herein in Article 6.1 and
                 6.2 and the successful applicant's name will be posted within
                 seven (7) days after the bids are opened, except where testing
                 is required. No job bids may be withdrawn by an employee once
                 the job is awarded. Said delay will not exceed fifteen (15)
                 days, unless additional time is agreed to between the Union
                 and Company.  The successful bidder will be placed on the job
                 within as reasonable a time as possible from the date of
                 posting award but will continue to receive his previously
                 established rate until the Company determines he is qualified
                 to perform the bid job.  In the event of the successful
                 applicant's failure to qualify in the opinion of the Company,
                 then it is understood that said employee is to be restored to
                 his former position and standing.  Employees will submit their
                 bid to their supervisor and will be given a receipt for the
                 bid.

         8.2     Laborers who are assigned to fill a job vacancy, as a result
                 of no one being awarded the job through the bidding procedure,
                 are entitled to return to laborer when there is an employee
                 with less seniority who is a permanent laborer.  The Company
                 will not require any employee other than a laborer to fill, on
                 a permanent basis, a job vacancy of a different classification
                 than his own which is not filled through the bidding
                 procedure.  This Section does not preclude the Company from
                 hiring new employees to fill such a job vacancy, nor does it
                 affect the Company's right to temporarily assign any employee
                 to such a job vacancy.

         8.3     If within twenty-four (24) months following his assignment to
                 a new job under this procedure, an employee applies for
                 another new job of equal or lower classification, the Company
                 may, at its discretion, disregard such application.  This
                 provision does not apply to employees successfully bidding
                 into the Entry Level Training Program.

         8.4     Temporary Reassignment.  An employee who is temporarily
                 assigned by his supervisor to perform work of a higher paid
                 job classification will be paid the rate of such higher job
                 classification for time actually worked.  An employee
                 temporarily assigned by his supervisor to perform work in an
                 equal or lower paid classification will be paid the base
                 hourly wage rate of his permanent classification.

         8.5     In no event shall the Company be requested or required to post
                 any job temporarily vacated by reason of vacations, illness,
                 or injury.  The Company, at its discretion,





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                 may create temporary jobs not to exceed one hundred twenty
                 (120) work days.  Successful bidders bidding down on such
                 temporary jobs will be placed in labor classification upon
                 completion of the job.  Should the Company determine that any
                 temporary job becomes permanent, the Company shall post the
                 job as provided in Article 8.1.  Such 120 day limitation shall
                 not apply to temporary jobs posted for reason of filling
                 vacancies caused by illness or injury to an employee.


ARTICLE 9 - HOURS AND WORK SCHEDULES

         9.1     The work week of each employee shall start at 7:30 a.m. on
                 Sunday morning.  A work day shall be the twenty-four (24) hour
                 period commencing at 7:30 a.m. each day.

         9.2     Each employee shall perform work assigned to him by the
                 Company, and no employee shall absent himself from his work
                 without consent of the Company.  Consent will be given by the
                 Company for a reasonable excuse.

         9.3     Nothing in this Agreement shall be construed as a guarantee of
                 hours of work per day or per week, or of days of work per
                 week.

         9.4     Work schedules for each work week will be posted by Friday of
                 the previous week prior to the end of the first shift only if
                 there is a change in hours, shift or days scheduled from the
                 previously posted schedule.  It is the employee's
                 responsibility to check his schedule.  If an employee's work
                 schedule is changed after the end of the first shift of the
                 preceding Friday, he shall be compensated with a thirty-five
                 dollars ($35.00) premium for the first eight hours worked in
                 his new schedule and the premium shall be paid in addition to
                 whatever compensation the employee is otherwise entitled to
                 receive under any other section of this Agreement unless the
                 reason for the change was outside the Company's control such
                 as fire, flood, storm, or another act of God. Every reasonable
                 effort will be made to notify employees in advance of their
                 reporting for work.

         9.5     Unless a regular employee shall be specifically instructed not
                 to report to work at least twelve (12) hours before the
                 starting time of his regular assigned shift, he shall be
                 considered as having been ordered to report, and shall be
                 given a minimum of four (4) hours' work, excepting when causes
                 beyond the control of the Company make it impossible to give
                 the required notice, in which case no minimum hours of work
                 shall be given.  Notices referred to in this paragraph shall
                 be deemed to have been given when a reasonable effort has been
                 made by the Company to give such notice orally or in writing
                 to such employee.

         9.6     In the event an employee commences work on his shift and work
                 ceases during his shift for any reason and there is no other
                 available work for him, he shall be paid a minimum of eight
                 (8) hours, except when causes beyond the control of the
                 Company make it impossible, in which case no minimum hours of
                 work shall be given.





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         9.7     Work performed by reason of changes of schedules or
                 reassignment of employees, as herein above provided, shall not
                 be construed as constituting work in excess of regular
                 scheduled working time.

         9.8     One-half (1/2) hour at time and one-half shall be paid for
                 any scheduled lunch period interrupted by a work assignment,
                 and either prior to or subsequent to the regular lunch period,
                 reasonable time for lunch shall be granted with pay for same
                 at the employee's regular rate.

         9.9     It is agreed that the Company's right to a seven (7) day per
                 week continuous operation is in no way affected.

         9.10    Any employee detained from work on account of sickness or
                 other good reason shall notify either the plant personnel
                 office or his foreman in accordance with the Company's A & T
                 Policy.  When an employee has been absent from his job for
                 good cause, he must notify the plant personnel office or his
                 foreman of his intentions to report back for work before the
                 end of the last shift he would have worked had he not been
                 absent.  If an employee fails to give the above notice, the
                 Company will not be obligated to provide work nor minimum pay
                 for him.

         9.11    Whenever a layoff is planned because of a change or reduction
                 in plant production requirements, the Company will, not less
                 than five (5) calendar days prior to the effective date of the
                 layoff, post a bulletin stating the expected extent of such
                 layoff and the expected effect on the work force.  In the
                 event the required notice is not given in accordance with the
                 above, the Company will pay the laid off employee(s) the
                 scheduled time lost at the applicable straight time shift rate
                 up to five (5) days pay.  The five (5) calendar days period
                 shall commence on the day following the posting of the notice.
                 The foregoing does not apply to disciplinary layoffs and
                 layoffs because of curtailment made necessary by disaster or
                 emergency conditions affecting the ability of the Company to
                 physically operate the Plant.


ARTICLE 10 - OVERTIME

         10.1    It is recognized that overtime work is necessary and essential
                 in the Company's operation.  An employee may request relief
                 from scheduled overtime by advising his foreman of his request
                 not later than twenty four (24) hours prior to the start of
                 the overtime assignment.  If the required work cannot be
                 performed by voluntary overtime, the employee lowest in
                 seniority in the required classification shall be assigned the
                 overtime work. If overtime becomes excessive in any given
                 classification, it will be discussed in Labor-Management
                 meetings.





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<PAGE>   15
         10.2    Overtime rates shall be as follows:


<TABLE>
<CAPTION>
                                                            SCHEDULED RATES             CALLOUT RATES
                                                            ---------------             -------------
                 <S>                                        <C>     <C>              <C>      <C>
                 (1) Regular Day/Week

                     Over 8 hrs/40 hrs                              1 1/2x                    1 1/2x
                     Over 12 hrs/Day                                2 x                       2 x
                     12 hrs Overlap/Shift                           2 x                       2 x

                 (2) 6th Day/Scheduled Off-Day

                     1st 12 hrs                                     1 1/2x                    1 1/2x
                     Over 12 hrs                                    2 x                       2 x

                 (3) 7th Day Worked

                     1st 12 hrs                                     2 x                       2 x
                     Over 12 hrs                                    2 1/2x                    2 1/2x

                 (4) Sundays Worked *

                     1st 8 hrs                                      1 1/2x                    2 x
                     Over 8 hrs                                     1 1/2x                    2 x
                     Over 12 hrs                                    2 x                       2 1/2x

                 (5) Holidays

                     1st 8 hrs **                                   1 1/2x                    2 x
                     Over 8 hrs                                     1 1/2x                    2 x
                     Over 12 hrs                                    2 x                       2 1/2x
</TABLE>

         NOTES

         *If an employee is scheduled to work on Sunday, (the twenty-four (24)
         hour period from 7:30 a.m. on Sunday to 7:30 a.m. Monday), the
         employee shall be compensated at one and one half (1 1/2) times his
         straight time hourly rate.

         **Plus eight (8) hours holiday pay if eligible.

         10.3    In the event an employee works more than twelve (12) hours in
                 his work day, and is being paid at the rate of double time,
                 his rate of pay shall not be reduced when his work continues
                 into, or overlaps his regular shift.  However, the Company may
                 exercise the following option:

                 (1) Send the employee home at any time during the shift,
                     provided the remainder of the shift is paid for at
                     straight time.  Such employee cannot be called back to
                     work until he has been off duty for eight (8) consecutive
                     hours.  Time paid for under this provision shall be
                     counted as time worked for the purpose of equalization of
                     overtime only.

         10.4    Callouts

                 (1) If an employee is called out after his regular shift and
                     after leaving the plant, or on off days, he shall be paid
                     a minimum of four (4) hours pay at the applicable callout
                     rate.





                                       12
<PAGE>   16
                 (2) It is understood that if an employee is called back to
                     work, he may be required to perform any duties related to
                     his classification in connection with breakdowns or
                     emergency situations in addition to the duties for which
                     he was called out.  If such employee is notified twelve
                     (12) hours or more in advance of his shift, the four (4)
                     hour minimum will not apply.

                 (3) If an employee is called out before his scheduled shift,
                     and he works over into his scheduled shift, he shall
                     receive the applicable callout rate until the expiration
                     of the four hour call-out guarantee, and then shall
                     receive the applicable straight time rate for the
                     remainder of his scheduled shift.

         10.5    Overtime Rules

                 (1) There shall be no pyramiding or duplication of overtime or
                     premium pay.

                 (2) Employees who work in excess of their regular scheduled
                     working time shall not be sent home to equalize such
                     overtime.

                 (3) Employees who work more than 15 minutes past the end of
                     their regularly scheduled shift in any one day, will be
                     paid for one (1) hour at the applicable rate.  Time worked
                     over one (1) hour will be paid in 15 minute increments.

                 (4) The Company agrees that, over each calendar year, it will
                     make a reasonable attempt to allocate overtime equally
                     among employees within the same classification within
                     which the overtime occurs.  Overtime lists will be posted
                     monthly.  An employee working on a job shall be given
                     first consideration if any overtime is needed to finish
                     the job.

                 (5) If an employee is asked to work overtime and he does not
                     so work, he shall be charged on the overtime chart for the
                     amount of hours worked on that job by the employee who
                     accepted the overtime.

                 (6) An employee shall be eligible for seventh (7th) day worked
                     overtime rates only if such employee has worked and
                     completed the sixth (6th) day in a work week.  An employee
                     who is absent a full shift or less without being excused
                     during his regular work week will not be eligible for
                     seventh (7th) day overtime rates and will not be eligible
                     for sixth (6th) day overtime rates until such employee has
                     worked forty (40) regular hours.

                 (7) When overtime is available within a classification,
                     everyone in that classification should be called prior to
                     offering the overtime to anyone outside the
                     classification.


         10.6    If a holiday falls on an employee's normally scheduled work
                 day, it shall be counted as a day worked toward the
                 calculation of overtime.





                                       13
<PAGE>   17

ARTICLE 11 - WAGES

         11.1    It is agreed that for the duration of this Agreement, the wage
                 groups and the rates of pay shall be those set in Schedule "A"
                 and "B" attached hereto.

         11.2    All regularly scheduled work beginning between the hours of
                 5:00 a.m. to 10:00 a.m. will be considered as day shift work.

         11.3    All regularly scheduled and/or consecutive work beginning
                 after 3:00 p.m. and before 1:00 a.m. will be considered as
                 night shift work.

         11.4    Each employee regularly scheduled to work the night shift
                 shall be paid a premium of fifty-five cents for all hours
                 worked by that employee on that work day. This premium rate
                 does not apply to day workers even though they may work over
                 into the night shift.  However, if a day shift worker is
                 scheduled to take the place of a regularly scheduled shift
                 worker, then the premium rate applies.

         11.5    Employees who begin their normal shift outside the hours
                 designated in 11.2 or 11.3 will be paid the night shift
                 premium for hours actually worked after 3:00 p.m. and before
                 5:00 a.m.

         11.6    Group Leader:  Group leaders are responsible to assist the
                 Company.  The Company will determine when the need for a group
                 leader exists.  Group leader positions will be filled through
                 the job bidding procedure.  Employees assigned as group
                 leaders shall receive a premium of $1.50 per hour over Wage
                 Group Seven.


ARTICLE 12 - HOLIDAYS

         12.1    (1) The following eleven (11) days shall be considered
                     holidays:

                          New Year's Day           Thanksgiving Day
                          Good Friday              Day after Thanksgiving
                          Memorial Day             Christmas Eve
                          Independence Day         Christmas Day
                          Labor Day                President's Day
                          New Year's Eve

                 (2) If any of these holidays fall on Sunday, the following
                     Monday shall be considered the holiday.  When Christmas
                     Day or New Year's Day fall on a Sunday or Monday, the
                     Christmas Eve and New Year's Eve holiday will be
                     celebrated on the Saturday preceding Christmas Day or New
                     Year's Day.  For the purposes of this Article, a holiday
                     shall be defined as a twenty-four (24) hour period
                     beginning at the start of the regular scheduled day shift
                     on the holiday.





                                       14
<PAGE>   18
         12.2    Employees who do not work on the holidays specified herein
                 shall receive as holiday pay, eight (8) hours pay at their
                 regular straight time hourly rate, exclusive of shift
                 differentials, provided they meet all of the following
                 conditions:

                 (1) Probationary or temporary employees do not qualify for
                     holiday pay.

                 (2) The employee shall have worked his last scheduled working
                     day prior to and his next scheduled working day after such
                     holiday unless excused.

                 (3) In no event shall a holiday be paid for unless an employee
                     has also worked during the thirty (30) day period
                     immediately preceding or immediately following the holiday
                     except that the thirty (30) day limitation shall not apply
                     if the employee was temporarily absent from work because
                     of sickness or accident.

         12.3    Employees scheduled or notified to work on a holiday, but
                 failing to report for and perform such work, unless excused by
                 the Company, shall not be entitled to any holiday pay.

         12.4    If a holiday occurs during an employee's vacation, he shall
                 receive eight (8) hours pay at the straight time rate of his
                 permanently assigned classification, in addition to vacation
                 pay.

         12.5    If an employee is scheduled to work on a holiday, but then is
                 instructed by the Company not to work without seventy-two (72)
                 hours notice, he shall receive for that holiday eight (8)
                 hours pay at two (2) times his regular straight time hourly
                 rate.

         12.6    The phrase "straight time hourly wage rate" as used solely in
                 this Article, shall mean the higher of either the employee's
                 regular straight time hourly wage rate or the highest straight
                 time hourly wage rate for a job on which the employee works at
                 least eight (8) consecutive hours in the workweek in which the
                 holiday falls provided that the hours worked are on the day
                 before or the day after the holiday whether previously
                 scheduled or not.


ARTICLE 13 - VACATIONS

         13.1    An employee will be eligible for vacation as follows:

                 (1) For an employee who has been in the continuous service of
                     the Company for more than one (1) year, the length of
                     vacation shall be two (2) weeks.

                 (2) For an employee who has been in the continuous service of
                     the Company for more than eight (8) years, the length of
                     vacation shall be three (3) weeks.





                                       15
<PAGE>   19
                 (3) For an employee who has been in the continuous service of
                     the Company for more than fifteen (15) years, the length
                     of vacation shall be four (4) weeks.

                 (4) For an employee who has been in the continuous service of
                     the Company for more than twenty-five (25) years, the
                     length of vacation shall be five (5) weeks.

         13.2    Vacation pay shall include appropriate shift differential for
                 those on fixed shifts.  Employees working on rotating shifts
                 shall be paid an average of the rates for the rotating shifts
                 involved.

         13.3    Vacation pay shall be computed by multiplying the number of
                 hours in the regularly scheduled workweek by the straight time
                 hourly rate of pay, but shall in no event be more than
                 forty-eight (48) or less than forty (40) hours pay subject to
                 the provisions listed in 13.5 and 13.6 below.  Vacation pay
                 will be computed at the rate for the permanently assigned
                 classification on which an employee is working at the time he
                 takes his vacation; however, if the employee has held a single
                 higher rated classification for more than six (6) months
                 during the year preceding his vacation, he will receive
                 vacation pay computed at the higher rate.

         13.4    Employees shall be eligible for their full appropriate
                 vacation as of January 1, if they have been in the continuous
                 service of the Company and have worked 1200 hours or more
                 during the previous calendar year.  Employees who have worked
                 less than 1200 hours during the previous calendar year shall
                 have their vacation computed on the basis of 1/12 for each 100
                 hours worked.  An employee shall be considered as having
                 worked for the purpose of vacation eligibility on the basis of
                 an eight (8) hour day and a forty (40) hour week during
                 absence from work because of illness or injury for a period
                 not to exceed 400 hours.

         13.5    An employee who qualified for a vacation and who leaves the
                 employ of the Company for any of the reasons hereinafter set
                 forth shall receive vacation pay for the unused and pro rata
                 portion of his vacation:

                 (1) Retirement
                 (2) Lay off
                 (3) Illness
                 (4) Voluntary quit with two (2) weeks notice to the Company
                 (5) In the event of the employee's death to his surviving
                     spouse or to the estate

         13.6    An employee who voluntarily quits without two (2) weeks notice
                 to the Company or who is discharged will not receive vacation
                 pay for the unused portion of his vacation.

         13.7    Any pro rata vacation shall be computed as outlined in Section
                 13.4 of this Article.

         13.8    Vacations may be taken at any time at the employee's
                 convenience, provided ample notice is given the Company and
                 provided previous arrangements with the Company





                                       16
<PAGE>   20
                 have been made and approved.  Vacation requests must be made
                 by January 15.  Where requested vacation periods conflict,
                 seniority will have preference.  Such seniority can only be
                 used once prior to February 1, when the schedule is posted.
                 Vacation periods not scheduled prior to February 1, may be
                 scheduled on a first come, first serve basis until April 1.
                 After April 1, vacations may be scheduled whenever they do not
                 cause scheduling or operational problems.  Vacations shall
                 include (without pay) regular days off prior, and subsequent
                 to the paid days of the vacation periods. No employee may take
                 more than two (2) consecutive weeks vacation during the months
                 of June, July and August.

         13.9    Vacations must be taken during the calendar year.  Employees
                 entitled to vacations shall be permitted to take such
                 vacations in separate periods of not less than five (5)
                 consecutive workdays each.  However, one (1) week of vacation
                 can be used one day at a time provided:

                 1)  The employee makes a request at least seventy-two (72)
                     hours in advance, and;

                 2)  The request is granted by the Company,

                 3)  Employees may use the days vacation to cover an illness or
                     injury provided the Company is notified as soon as
                     possible but no later than 30 minutes before the start of
                     the shift. The Company will require the employee make a
                     request for a one day vacation for illness/injury in
                     writing before payment will be authorized.

                 4)  Any employee with a current disciplinary warning for
                     absenteeism on file will be ineligible for one day
                     vacations under paragraph 3 of this section.

                 The intent is to arrange absences so that the Company will not
                 incur penalties and, as such, the Company may disallow
                 specific requests for a personal leave.

         13.10   An employee may request vacation pay, up to a maximum of two
                 (2) weeks per year, in lieu of time off provided it is
                 approved by the Company.

ARTICLE 14 - JURY DUTY - WITNESS PAY

         14.1    It is agreed that the Company shall make up the wage loss
                 incurred by a regular employee (as distinguished from a
                 probationary employee) because of jury service by payment of
                 the difference between the amount received for such jury
                 service on the day such employee would have been regularly
                 scheduled to work and his regular rate of pay computed on the
                 same basis as daily vacation pay.  Any employee reporting for
                 jury duty will not be required to work his regular shift that
                 calendar day or with the Company's approval an adjoining day
                 may be substituted for third shift employees.  The employee
                 will be excused for the entire day without loss of pay.  Hours
                 spent on jury service and paid for hereunder shall be
                 considered as time actually worked for all overtime purposes.
                 Further as outlined above, the Company





                                       17
<PAGE>   21
                 shall make up the wage loss incurred by an employee when
                 subpoenaed as a witness in an action when the employee is
                 neither the plaintiff nor defendant or in a matter to which
                 the Company has no detrimental interest.

         14.2    To receive pay from the Company under this provision, the
                 employee must provide the Company with a statement signed by
                 an official of the court certifying as to the employee's
                 service as a juror or court witness or appearance in court for
                 such purposes, the date or dates of attendance, and the
                 compensation paid him exclusive of any transportation and/or
                 subsistence allowance.


ARTICLE 15 - FUNERAL LEAVE

         15.1    An employee (as distinguished from a probationary employee)
                 upon notification to the Company of the death of his or her
                 father, mother, spouse, son, daughter, son-in-law,
                 daughter-in-law, brother, sister, stepfather, stepmother,
                 stepson, stepdaughter, half-sister, half-brother,
                 mother-in-law, father-in-law, brother-in-law, sister-in-law,
                 employee's grandparents, spouse's grandparents, or
                 grandchildren, shall be granted up to and including his or her
                 next three (3) scheduled working days off with pay (up to four
                 (4) days off with pay if the employee is required to travel
                 beyond a radius of 500 miles).  Payment by the Company for
                 such time lost shall be on the basis of eight (8) hours per
                 day at the employee's regular straight time hourly rate,
                 including shift differential.  To be eligible for benefit
                 under this Article, the employee must supply reasonable
                 documentary evidence of the covered death, family
                 relationship, and attendance at the funeral or service.

         15.2    As used herein, brother-in-law is defined to mean (1) the
                 brother of one's husband or wife, (2) the husband of one's
                 sister, (3) the husband of the sister of one's spouse, and
                 sister-in-law is defined to mean (1) the sister of one's
                 husband or wife, (2) the wife of one's brother, (3) the wife
                 of the brother of one's spouse.

         15.3    The above clause shall not apply to an employee who is laid
                 off, except that when an employee is notified to return to
                 work effective on or before the date of the funeral, he shall
                 be granted full funeral leave with pay.


ARTICLE 16 - MILITARY RESERVE SUMMER CAMP

         16.1    Active employees with one (1) year seniority and who are in
                 the Reserve of any branch of the military service, including
                 the National Guard, who are required to attend a summer
                 encampment as part of their reserve obligation shall receive
                 from the Company the difference between the amount of pay
                 received for such summer encampment and his regular straight
                 time hourly rate of pay for up to a maximum of two (2) weeks
                 per calendar year.





                                       18
<PAGE>   22
ARTICLE 17 - SAFETY AND HEALTH

         17.1    A Joint Safety and Health Committee shall be established
                 consisting of four (4) members, two (2) appointed by the
                 Company and two (2) appointed by the Local Union.  In the
                 event that a member is absent from a meeting of the Committee,
                 his alternate may attend and when in attendance shall exercise
                 the duties of the member.

         17.2    The Joint Committee shall meet as often as necessary, but not
                 less than once each month, at a regularly scheduled time and
                 place for the purpose of jointly considering, inspecting,
                 investigating, and reviewing health and safety conditions and
                 practices and investigating accidents, and for the purpose of
                 jointly and effectively making constructive recommendations
                 with respect thereto, including but not limited to the
                 implementation of corrective measures to eliminate unhealthy
                 and unsafe conditions and practices and to improve existing
                 health and safety conditions and practices.  All matters
                 considered and handled by the Committee shall be reduced to
                 writing, and joint minutes of all meetings of the Committee
                 shall be made and maintained.  One Union representative to the
                 Committee will accompany a Federal or State investigator on a
                 walk-around inspection or investigation and will attend any
                 pre or post inspection conferences.

         17.3    All time spent in connection with the work of the Committee by
                 a Union representative including all time spent in pre or post
                 inspection conferences and walk-around time spent in relation
                 to Federal and State inspection and investigations as provided
                 for above, shall be compensated at the employee's regular
                 straight-time hourly wage rate.  Any time spent during the
                 hours the employee is scheduled to work shall count toward the
                 calculation of any penalty or premium pay section of this
                 Agreement including, but not limited to daily or weekly
                 overtime.  Any time spent outside the hours the employee is
                 scheduled to work shall not count toward the calculation of
                 any penalty or premium pay section of this Agreement.  No time
                 spent outside of the hours the employee is scheduled to work
                 shall be compensated at a rate greater than one (1) times the
                 employee's straight-time hourly wage rate.

         17.4    Any employee who believes his job presents a hazard to his
                 safety or health may request through his immediate supervisor,
                 an immediate review of his job by the Joint Safety and Health
                 Committee.

         17.5    No employee shall be disciplined or discharged for refusing to
                 work on a job if his refusal is based on a bona fide claim
                 that said job is not safe or might unduly endanger his health
                 or safety.

         17.6    The Company will furnish prescription ground safety glasses to
                 bargaining unit employees, including the cost of the
                 prescription.  Glasses will not be replaced more frequently
                 than one (1) per year, unless damaged or broken during the
                 performance of duties.

         17.7    (1) Should the Company require an employee to wear foot
                     protection, the Company will reimburse the employee for
                     the purchase of safety shoes for use by the





                                       19
<PAGE>   23
                     employee.  The annual reimbursement for active employees
                     shall be up to $170 per calendar year.  Employees must
                     provide the Company with a written proof of purchase if
                     not purchased through a Company authorized safety shoe
                     supplier.

                 (2) In instances where the safety shoes are damaged on the
                     job, those shoes will be turned in and the employee may
                     purchase another pair of shoes as above.


ARTICLE 18 - LEAVES OF ABSENCE

         18.1    Upon request, leave of absence from work may be granted by the
                 Company on account of sickness, death, or for sufficient
                 reason personal to such employee for a period not to exceed
                 ninety (90) calendar days on such occasions when the Company's
                 business will not suffer because of such absence.  Upon proper
                 showing of reason therefore, this period may be extended with
                 the consent of both the Company and the Union.

         18.2    Any employee elected or appointed to a full time position with
                 the International Brotherhood of Boilermakers, Cement, Lime,
                 Gypsum, and Allied Workers, or Local Union or the AFL-CIO or
                 any of its subordinate bodies, shall be granted an indefinite
                 leave of absence, providing thirty (30) days notice is given
                 the Company prior to the beginning of such leave.  During such
                 leave seniority shall accumulate.  Insurance benefits shall be
                 suspended after thirty (30) days of such leave and will again
                 be in effect the first day of returning to work with the
                 Company.  Upon returning to work, such employee will be
                 reinstated on his former job, providing it is still in
                 existence; if not, he shall be eligible to apply for any job
                 within the Bargaining Unit by means of the existing bidding
                 procedure, or by bumping.  The Company agrees to consent to
                 the absence of no more than one (1) employee at any time under
                 Paragraph 18.2.

         18.3    No employee covered by this Agreement shall accept wages or
                 salary while on leave of absence.  Any employee absent from
                 work in accordance with the foregoing provisions shall not
                 lose seniority, wage rate, or position, if physically fit upon
                 return to work.  Should an employee accept a position for
                 wages or salary while on leave of absence, such employee will
                 terminate employment, and if re-employed, must be treated as a
                 new employee.

         18.4    The Company agrees to consent to the absence of no more than
                 four (4) employees at any time from work, upon proper notice,
                 on account of business appertaining to the business of the
                 Local Union or International Union on such occasions when the
                 Company's business will not suffer because of such absence.
                 Any employee absent from work in accordance with the foregoing
                 provisions shall not lose his seniority, wage rate, or
                 position.





                                       20
<PAGE>   24
ARTICLE 19 - INFORMATION

         19.1    The Company shall, twice each year, upon written request by
                 the Union, furnish a seniority list based upon the first day
                 of the last continuous employment of each employee, setting
                 forth payroll number, name, date employed, classification,
                 rate of pay, department, date of birth, and address as shown
                 on the Company's records.

         19.2    The Company will notify the recording secretary of the Union
                 promptly as to names and dates of employment of new employees,
                 birth dates, job classifications, severances, transfers, and
                 temporary transfers extending beyond fifteen (15) days.

         19.3    The Company will notify the Union as to leaves of absences of
                 over thirty (30) days.

         19.4    The Company will furnish a bulletin board for the exclusive
                 use of the Union at each time clock location.

         19.5    The Company will notify the Union in writing when an employee
                 terminates employment due to disability or retirement.


ARTICLE 20 - INCAPACITATED EMPLOYEES

         20.1    Any employee who becomes incapacitated and, on the basis of
                 competent medical opinion, cannot perform the essential job
                 functions of their regular job may, with mutual agreement
                 between the Company and the Union,
                     a.   elect to exercise their plant seniority through the
                          bumping procedure,
                     b.   be placed in a temporary assignment,
                     c.   be placed in a vacant job, or
                     d.   be placed in another job,
                 provided the employee can perform the job within a reasonable
                 amount of time.  In placing an incapacitated employee under
                 this provision, the parties will take into consideration
                 seniority and fair placement of any other employee who may be
                 displaced by such assignment.

         20.2    Any employee who is displaced by an incapacitated employee
                 pursuant to paragraph 20.1 of this Section may exercise their
                 plant seniority to bump into another position within the
                 bargaining unit at the plant for which they are qualified in
                 the same manner as provided for in the job bidding procedures.

         20.3    The Company may require a second medical opinion regarding the
                 employee's incapacitation.  Such examination will be at
                 Company expense.


ARTICLE 21 - FURNISHING OF TOOLS

         21.1    The Company shall furnish all tools and equipment for its
                 employees, except to maintenance employees, in which case
                 these employees shall furnish their own hand tools.  In case
                 of breakage or loss, the Company will replace or repair such
                 tools;





                                       21
<PAGE>   25
                 such breakage or loss shall be reported immediately to the
                 Company.  "Hand Tools" as used herein shall not include socket
                 sets, wrenches more than twelve (12) inches long, and all
                 other specialized tools related to the work of the mechanical,
                 maintenance, and skilled trades.


ARTICLE 22 - COPIES

         22.1    The Labor Agreement, Pension Plan, and Insurance Plan will be
                 printed at Company expense.  The Company will provide each
                 member with a copy of the booklet.


ARTICLE 23 - GRIEVANCE PROCEDURE

         23.1    Should differences arise between the Company and the Union, or
                 an individual employed by the Company, as to the meaning and
                 application of the provisions of this Agreement, an earnest
                 effort shall be made by the parties to settle such differences
                 promptly and in the following manner:

                 (1) STEP I.  The complaint, within fifteen (15) days of its
                     occurrence, or the occurrence of the matter out of which
                     the complaint arises, may be taken up by the employee
                     involved, with or without Union representation, with his
                     Team Leader.  If the issue is not resolved verbally, the
                     matter shall be reduced to writing, stating specific
                     article(s) and paragraph(s) of the Contract that are
                     alleged to have been violated.  This will be presented to
                     the employee's Team Leader within 10 days for the
                     grievance to be considered and processed.  The grievance
                     will be answered in writing within five (5) days.

                 (2) STEP II.  If no satisfactory settlement is reached in Step
                     I, the matter shall be presented to the Plant Manager
                     and/or Designee within five (5) days from the date of
                     answer by the Team Leader. The Plant Manager and/or the
                     Director of Industrial Relations will meet with the
                     Grievance Committee to hear and discuss the grievance at
                     the monthly grievance meeting unless the matter requires
                     immediate attention.  The Company shall answer the
                     grievance in writing within five (5) days after said
                     meeting.

                 (3) STEP III.  If no agreement is reached in Step II, the
                     Committee may, within five (5) days of the receipt of the
                     above answer, refer the matter to higher officials of the
                     Company and the Union, who may attend a meeting to be held
                     within thirty (30) days upon request.

                 (4) STEP IV.

                     a.   Any grievance not settled in Step III above may be
                          referred to arbitration.  Notice to refer a grievance
                          to arbitration shall be given in writing within
                          fifteen (15) days after being notified of the
                          decision rendered in Step III or the





                                       22
<PAGE>   26
                          matter will be considered closed.  Only one (1)
                          grievance (Arbitrability and grievance to be
                          considered as a single grievance) may be submitted to
                          or under review by any one (1) Arbitrator at any one
                          (1) time unless by the prior mutual written consent
                          of the parties.

                     b.   In the event the parties are unable to agree upon an
                          Arbitrator within seven (7) days after arbitration is
                          invoked, then they shall jointly petition the Federal
                          Mediation and Conciliation Service, which shall
                          submit a panel of seven (7) qualified arbitrators,
                          and the parties shall select a single arbitrator from
                          such panel.  The Arbitrator shall be appointed by
                          mutual consent of the parties hereto.  If the
                          arbitrators included in this panel are unacceptable
                          to either party, a second panel shall be requested
                          from the Federal Mediation and Conciliation Service
                          and a single arbitrator selected from this panel.

                     c.   Any grievance referred to arbitration shall be heard
                          as soon as possible and a decision rendered within
                          thirty (30) days of the hearing or the date of
                          postmark of the post hearing briefs.  The arbitrator
                          shall have no power to add to or subtract from or
                          change, modify or amend any of the provisions of this
                          Agreement.  The decision rendered by the Arbitrator
                          will be final and binding upon the Union, the
                          Company, the grievant, and all the employees covered
                          by this Agreement.  The Arbitrator selected pursuant
                          to this Article shall interpret and apply the terms
                          of this Agreement; he/she shall not substitute
                          his/her discretion and judgment for that of the
                          Company.  If the Arbitrator finds that a
                          dischargeable offense was committed by the employee,
                          he/she shall not substitute his/her judgment for that
                          of the Company as to whether discharge or a more
                          lenient penalty was appropriate in a particular case.

                     d.   It is expressly agreed that no Arbitrator shall have
                          the authority to decide any matter involving the
                          exercise of a right reserved to management under this
                          Agreement.

                     e.   Each party hereto shall pay the expense incurred in
                          the presentation of its own case, and the expenses
                          incidental to the services of the Arbitrator,
                          including the cost of the transcript, shall be shared
                          equally by the Company and the Union.

         23.2    Any grievance growing out of a discharge or suspension must be
                 submitted in writing by the aggrieved employee directly to the
                 Union and from the Union to the Plant Manager or his designee
                 within forty-eight (48) hours of the discharge or suspension
                 or it will not be recognized and action taken shall be final.

         23.3    The time limits referred to in the foregoing paragraphs
                 exclude Saturdays, Sundays, and holidays.





                                      23
<PAGE>   27
         23.4    Any grievance not presented or appealed within the time limits
                 provided, unless mutually agreed to extend the time, shall be
                 considered settled on the basis of the decision which was not
                 appealed and shall be final and binding on the parties
                 involved.

         23.5    Grievances presented in any of the regular steps set forth and
                 not answered within the time specified or as the same may be
                 extended by mutual agreement shall be considered appealed to
                 the next step of the grievance procedure.

         23.6    Disciplinary letters issued to employees will remain in the
                 Company's employee file.  At the end of the twelve (12) month
                 period, the disciplinary letters will not be held against the
                 employee.


ARTICLE 24 - STRIKES AND LOCKOUTS

         24.1    The Union agrees that there shall be no picketing (organized
                 and intentional) or strikes by the Union, or by its members,
                 of any kind or degree whatsoever, or walkout, suspension of
                 work, slowdowns, limiting of production, or any other
                 interference or stoppage, total or partial, of the Company's
                 Fairborn, Ohio operations for any reason whatsoever, such
                 reasons including, but not limited to, unfair labor practices
                 by the Company or any other Employer.  It is further agreed
                 that neither the Union nor its members shall engage in the
                 above prohibited conduct in support of picketing, strikes or
                 any labor dispute actions engaged in by any other organization
                 or person.  In addition to any other recourse or remedy
                 available to the Company for violation of the terms of this
                 Article by the Union and/or any Union member, the Company may
                 discharge or otherwise discipline any employee who authorizes,
                 causes, engages in, sanctions, recognizes, or assists in any
                 violation of this Article.  The Company will not engage in any
                 lockouts during the term of this Agreement.


ARTICLE 25 - LEGISLATION

         25.1    In the event laws are passed which conflict with any
                 provisions of this Agreement, or any provision or provisions
                 of this Agreement shall be declared void in whole or in part,
                 or shall be declared not to affect any employee or employees
                 by law or final decision by competent authority, then such
                 provisions or parts thereof shall be eliminated here from and
                 the matter covered by such eliminated provisions may be
                 reopened for negotiation, but the remaining provisions of the
                 Agreement shall remain in full force and effect.


ARTICLE 26 - OVERTIME LUNCH

         26.1    Any employee who works more than ten (10) consecutive hours,
                 regardless of whether such hours are scheduled or unscheduled,
                 shall be given a lunch or lunch allowance.  Any employee who
                 works in excess of fourteen (14) consecutive hours





                                      24
<PAGE>   28
                 shall be provided with an additional lunch or lunch allowance.
                 Such option will be available at the end of every four (4)
                 consecutive hours worked thereafter.

         26.2    Any employee who is called out and works more than four (4)
                 consecutive hours on the callout shall be given a lunch or
                 lunch allowance.  In addition, said employee shall be provided
                 with an additional lunch or lunch allowance every four (4)
                 consecutive hours worked thereafter.

         26.3    There shall be no duplication of lunches or lunch allowances
                 under the foregoing sections 26.1 and 26.2.  Any lunch
                 allowance(s) earned under the foregoing shall be paid weekly
                 on the employee's paycheck.

         26.4    Overtime lunch periods, not to exceed thirty (30) minutes,
                 will be assigned by the Team Leader.

         26.5    Lunch allowance will be $7.00.


ARTICLE 27 - DUES CHECK-OFF

         27.1    Check-off:  During the term of this Agreement, the Company
                 will continue to check off monthly dues, and initiation fees,
                 each as designated by the Treasurer of the Local Union, as
                 membership dues in the Union on the basis of and for the term
                 of individually signed voluntary check-off authorization
                 cards, a copy of which is reproduced below, or hereafter
                 submitted to the Company.  The Company shall promptly remit
                 any and all amounts so deducted to the Treasurer of the Local
                 Union with a list of the employees from whom the deduction was
                 checked off.

         27.2    On or before the last Friday of each calendar month the Union
                 shall submit to the Company a summary list of cards
                 transmitted in each month.

         27.3    Dues for a given month shall be deducted from the last payday
                 in that month; deductions on the basis of authorization cards
                 submitted to the Company shall commence with respect to dues
                 for the month in which the Company receives such authorization
                 cards.

         27.4    Unless the Company is otherwise notified, the only Union
                 membership dues to be deducted for payment to the Union from
                 the pay of the employee who has furnished an authorization
                 shall be the monthly Union dues.  The Company will deduct
                 initiation fees when notified, by notation on the list
                 referred to in 27.1 above, and assessments as designated by
                 the Treasurer of the Local Union.

         27.5    The Union shall indemnify the Company and hold it harmless
                 against any and all suits, claims, demands and liabilities
                 that shall arise out of or by reason of any action that shall
                 be taken or not taken by the Company for the purpose of
                 complying with the foregoing provisions of this Article, or in
                 reliance on any list or certificate which shall have been
                 furnished to the Company by the Union under any such
                 provisions.


                                      25


<PAGE>   29
         27.6
                            Date: 
                                 --------------------

                 I, _________________________________, do hereby authorize and
                 direct the Company to deduct from my earnings, accumulated to
                 my credit during the first pay period ending in the calendar
                 month, initiation fees and membership dues charged against me
                 by the INTERNATIONAL BROTHERHOOD OF BOILERMAKERS, CEMENT,
                 LIME, GYPSUM AND ALLIED WORKERS DIVISION AFL-CIO LOCAL LODGE
                 D357, and remit the amount so deducted to said Union upon
                 presentation of a formal demand by the proper authorities of
                 said Union.

                 This assignment and authorization shall be irrevocable for one
                 (1) year from the above date, or termination of the current
                 collective bargaining agreement between SOUTHDOWN, INC. and
                 the INTERNATIONAL BROTHERHOOD OF BOILERMAKERS, CEMENT, LIME,
                 GYPSUM AND ALLIED WORKERS DIVISION AFL-CIO LOCAL LODGE D357,
                 whichever is the shorter period, and shall remain in effect
                 thereafter until revoked by me in writing.

                                      Signed: 
                                              -------------------------
                                      Employee Clock Number:
                                                            -----------


                 Witness: 
                         --------------------------
                 Southdown, Inc.


ARTICLE 28 - SCOPE OF AGREEMENT

         28.1    During the term of this Agreement the Company will provide
                 employees with participation in the Southdown, Inc. Medical
                 Network Plan, the Southdown, Inc. Group Dental Benefit Plan,
                 the Southdown, Inc. Life Insurance and Accidental Death and
                 Dismemberment Plan, the Southdown, Inc. Long Term Disability
                 Plan, the Southdown, Inc. Pension Plan, the Southdown Inc.
                 Retirement Savings Plan and the Southdown, Inc. Voluntary Life
                 Insurance Plan, including all amendments and modifications to
                 said plans during the life of this Agreement, on the same
                 basis as the benefits and eligibility requirements are
                 provided to Southdown, Inc.'s salaried employees.

         28.2    During the life of and for the term of this agreement dated
                 March 1, 1998, the Company will provide post retirement
                 medical insurance coverage to all eligible





                                      26
<PAGE>   30
                 employees covered under this bargaining unit who retire after
                 having achieved the age of 62 with at least 15 years of
                 company service. The provisions of this coverage will be the
                 same as the benefits and eligibility requirements provided for
                 in the Southdown Inc. Retiree Medical Insurance Plan which are
                 subject to modification.

         28.3    SICKNESS AND ACCIDENT BENEFITS

                 If a permanent employee (non-probationary/non temporary) is
                 absent from work due to disability, sickness and accident
                 benefits are payable.  The disability must prevent the
                 employee from performing the duties of the job because of a
                 non-occupational sickness or injury.  This benefit is payable
                 if confined to a hospital or home.

                 After a waiting period of one (1) week (waived if the employee
                 is hospitalized as an in-patient), the disability benefits are
                 payable at a rate of fifty-five dollars ($55) per day for a
                 maximum of five days per week. A disabled employee may receive
                 weekly sickness and accident benefits during the period of
                 disability not to exceed five (5) months.  It is the
                 employee's responsibility to make application for this benefit
                 and the attending physician must document the nature of the
                 disability and expected date of return to work. While an
                 employee is off work due to a disability and receiving weekly
                 sickness and accident benefits, that employee will not be
                 required to pay the contribution for group medical/dental
                 insurance for those weeks he is receiving S & A benefits.

                 No benefits shall be payable for the following:

                 1.  disability which you are not under the direct care of a
                     licensed physician.
                 2.  sickness or injury which is purposefully self-inflicted
                     while sane or insane.
                 3.  disability due to an injury arising out of the course of
                     employment.
                 4.  disability due to disease which benefits are payable under
                     Worker's Compensation, Occupational Disease or similar
                     law.

                 This benefit terminates upon retirement or upon termination 
                 of employment.

                 Any active employee currently not participating in the long
                 term disability (LTD) plan and who applies for LTD and is
                 rejected, will be eligible for up to fifty-two (52) weeks of
                 short term disability benefits.


ARTICLE 29 - PAST PRACTICE

         29.1    All previous side letters, ad hoc agreements and informal
                 understandings or past practices are hereby revoked, withdrawn
                 and canceled and none shall survive the execution of this
                 contract and no provision shall have any force or effect
                 whatsoever either as past practice, special written agreement,
                 oral agreement, informal understanding or otherwise unless
                 expressly contained herein.





                                      27
<PAGE>   31
ARTICLE 30 - SKILLS TRAINING

         30.1    The Company is committed to providing employees with both
                 formal and informal training to improve their job skills.


ARTICLE 31 - TERMS OF AGREEMENT

         31.1    After ratification by the members of the respective Local
                 Union, this Agreement shall become effective and remain in
                 force and effect and be binding upon the parties hereto from
                 March 1, 1998, to and including February 28, 2003, and it
                 shall continue to be in full force and effect thereafter from
                 year to year until either party on or before January 31, of
                 any year, beginning 2003, gives written notice to the other
                 party of its desire or intention either to alter and modify or
                 terminate the same.  If such notice is given, the parties
                 hereto shall begin negotiations not later than February 15 in
                 such year.

IN WITNESS WHEREOF, the Union has caused this Agreement to be executed in its
name, after due authorization by a vote of a majority of its members, and the
Company has caused it to be executed in its name, by its duly authorized
representatives.

INTERNATIONAL BROTHERHOOD                  SOUTHDOWN, INC.
OF BOILERMAKERS, CEMENT,
LIME, GYPSUM AND ALLIED
WORKERS, DIVISION LOCAL
LODGE NO. D-357

<TABLE>
<S>                                                         <C>
By:                                                         By:                                                 
   ---------------------------------------------               -------------------------------------------------
         William A. Smith                                           Bernard M. Reuland

By:                                                         By:                                                 
   ---------------------------------------------               -------------------------------------------------
         David R. Gullett                                           Lawrence L. Hoffis

By:                                                         By:                                                 
   ---------------------------------------------               -------------------------------------------------
         Gary L. Warner                                             David E. Tiller

By:                                                         By:                                                 
   ---------------------------------------------               -------------------------------------------------
         Gerald A. Day                                              Daniel J. Peters

By:                                        
   ----------------------------------------
         Phillip R. Nawman
</TABLE>





                                      28
<PAGE>   32
                                   SCHEDULE A

                        WAGE GROUP TRAINING REQUIREMENTS

<TABLE>
<CAPTION>
WAGE GROUP ONE                                              TESTING REQUIREMENTS
- --------------                                              --------------------
<S>                       <C>                               <C>
                          Laborer                           No Testing


WAGE GROUP TWO                                              TESTING REQUIREMENTS

                          General Equipment                 Demonstration of ability to perform after 
                          Operator                          training

                          Assistant Stockroom               Demonstration of ability to perform after training

                          Entry Level                       Testing and regular evaluation before
                          Training Program                  advancement

                          Dust Collector
                          Garage
                          Maintenance
                          Electrical
                          Instrument

WAGE GROUP THREE                                            TESTING REQUIREMENTS

                          Second Level                      Testing and regular evaluation before
                          Training Program                  advancement

                          Dust Collector
                          Garage
                          Maintenance
                          Electrical
                          Instrument

                          General Plant Maintenance         Demonstration of ability to perform


WAGE GROUP FOUR                                             TESTING REQUIREMENTS

                          Packhouse Operator                Fork lift training and demonstration of ability to perform
                                                            after training

                          Material Operators                Completion of approved driver's training program and
                                                            demonstration of ability to perform after training

                          Process Material Handler          Completion of approved driver's training program and
                                                            demonstration of ability to perform after training

                          Storekeeper                       Demonstration of ability to perform after training
</TABLE>





                                       29
<PAGE>   33
                                   SCHEDULE A
                                  (Continued)


<TABLE>
<CAPTION>
WAGE GROUP FOUR                                            TESTING REQUIREMENTS
- ---------------                                            --------------------
<S>                      <C>                                <C>
                          Dust Collector Specialist         Testing as required in Training Program

                          Third Level                       Testing and regular evaluation before
                          Training Program                  advancement

                          Garage
                          Maintenance
                          Electrical
                          Instrument


WAGE GROUP FIVE                                             TESTING REQUIREMENTS

                          Fourth Level                      Testing and regular evaluation before
                          Training Program                  advancement

                          Garage
                          Maintenance
                          Electrical
                          Instrument


WAGE GROUP SIX                                              TESTING REQUIREMENTS


                          Utility Equipment                 Completion of approved driver's training
                          Operators A                       program and demonstration of ability to perform after
                                                            training

                          Inventory Specialist              Demonstration of ability to perform after training and
                                                            testing after orientation period

                          Process Utility                   Demonstration of ability to perform after training and
                                                            testing after orientation period

                          Physical Tester                   Demonstration of ability to perform after training and
                                                            testing after orientation period

                          Laboratory Technician             Demonstration of ability to perform after training and
                                                            testing after orientation period

                          Journeyman                        Completion of Training Program 
                                                            and demonstration of ability to perform all
                                                            tasks of Journeyman

                          Maintenance                       
                          Garage                             
                          Electric
                          Instrument


WAGE GROUP SEVEN                                            TESTING REQUIREMENTS

                          Process Controller                Demonstration of ability to perform after training

</TABLE>




                                       30
<PAGE>   34
                                   SCHEDULE B

                                   WAGE RATES


                        Wage Rates and Lump Sum Bonuses

<TABLE>
<CAPTION>
                                    3/1/98           3/1/99           3/1/00       3/1/01       3/1/02
                                    -------          ------           ------       ------       ------
<S>                                  <C>           <C>                 <C>       <C>              <C>
Wage increase                          +50c.         $1,400              +40c.     $1,400         +40c.
or bonus  per hour                   bonus         per hour            bonus     per hour
</TABLE>


Lump sum bonuses will be paid to active employees and will be included as base
earnings for pension calculations.


<TABLE>
<CAPTION>
For years starting                    3/1/98           3/1/00           3/1/02
                                      ------           ------           ------
<S>                                    <C>             <C>              <C>
Wage Group One                         $12.00         $12.40           $12.80

Wage Group Two                         $13.92         $14.32           $14.72

Wage Group Three                       $15.21         $15.61           $16.01

Wage Group Four*                       $16.26         $16.66           $17.06

Wage Group Five                        $17.04         $17.44           $17.84

Wage Group Six                         $17.56         $17.96           $18.36

Wage Group Seven                       $17.97         $18.37           $18.77
</TABLE>


*While the Packhouse Operator, included in Wage Group Four, performs work in
Richcolor process, a 25c. premium per hour worked is paid.





                                       31


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