HARSCO CORP
11-K, 1998-06-03
FABRICATED STRUCTURAL METAL PRODUCTS
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<PAGE>   1
                                    FORM 11-K


                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549



               [X] ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE
                SECURITIES EXCHANGE ACT OF 1934 [NO FEE REQUIRED]
                                       OR
          [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
                SECURITIES EXCHANGE ACT OF 1934 [NO FEE REQUIRED]


                   For the fiscal year ended December 31, 1997


                         HARSCO CORPORATION SAVINGS PLAN
                            (Full title of the Plan)



                               HARSCO CORPORATION
          (Name of issuer of the securities held pursuant to the Plan)



                            Camp Hill, PA 17001-8888
                     (Address of principal executive office)



                           Telephone - (717) 763-7064




                                     - 1 -
<PAGE>   2
Financial Statements and Exhibits

       (a)    Financial Statements.

       The financial statements filed as part of this report are listed in the
       Index to Financial Statements included herein.

       (b)    Exhibits.

              (1)  Consent of Independent Accountants

              (2)  Participant's Statement of Account

              (3) Appendix B to Harsco Corporation Savings Plan

              (4)  Description of Federal Tax Considerations





                                     - 2 -
<PAGE>   3
                         HARSCO CORPORATION SAVINGS PLAN

                          INDEX TO FINANCIAL STATEMENTS

                             FORM 11-K ANNUAL REPORT
                                 ---------------

                                    Form 11-K
<TABLE>
<CAPTION>
                                                                                                                    Pages

<S>                                                                                                                <C>
Report of Independent Accountants                                                                                    4-5

Financial Statements:
     Statements of Net Assets Available for Benefits with Fund Information:

                    December 31, 1997 - Non-Participant Directed:
                                        Harsco Common Stock Fund

                                      - Participant Directed:
                                        Harsco Common Stock Fund, Income Accumulation Fund, Fidelity
                                        Magellan Fund, S&P 500 Fund, International Equity Fund, Asset
                                        Allocation Fund, AIM Constellation Fund, Templeton Foreign Fund,
                                        Bond Index Fund and Participant Loans                                         6

                    December 31, 1996 - Non-Participant Directed:
                                        Harsco Common Stock Fund

                                      - Participant Directed:
                                        Harsco Common Stock Fund, Income Accumulation Fund, Fidelity
                                        Magellan Fund, S&P 500 Fund, International Equity Fund, Asset
                                        Allocation Fund, AIM Constellation Fund, Templeton Foreign Fund,
                                        Bond Index Fund and Participant Loans                                         7

     Statement of Changes in Net Assets Available for Benefits with Fund
     Information for the year ended:

                    December 31, 1997 - Non-Participant Directed:
                                        Harsco Common Stock Fund

                                      - Participant Directed:
                                        Harsco Common Stock Fund, Income Accumulation Fund, Fidelity
                                        Magellan Fund, S&P 500 Fund, International Equity Fund, Asset
                                        Allocation Fund, AIM Constellation Fund, Templeton Foreign Fund,
                                        Bond Index Fund and Participant Loans                                         8

     Notes to Financial Statements of Savings Plan                                                                  9-14

Supplemental Schedules:

     Assets Held for Investment Purposes as of December 31, 1997 - 27(a)*                                            15

     Reportable Transactions for the year ended December 31, 1997 - 27(d)*                                           16
</TABLE>

*        Refers to item numbers in Form 5500 (Annual Return/Report of Employee
         Benefit Plan) for the plan year ended December 31, 1997.




                                     - 3 -
<PAGE>   4
                        REPORT OF INDEPENDENT ACCOUNTANTS



To the Plan Administrative Committee
of the Harsco Corporation Savings Plan:

We have audited the accompanying financial statements of the Harsco Corporation
Savings Plan listed in the Index on page 3 of this Form 11-K. These financial
statements are the responsibility of the Plan Administrative Committee. Our
responsibility is to express an opinion on these financial statements based on
our audits.

We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement. An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements. An audit also includes
assessing the accounting principles used and significant estimates made by
management, as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.

In our opinion, the financial statements referred to above present fairly, in
all material respects, the net assets available for benefits of the Plan as of
December 31, 1997 and 1996, and the changes in net assets available for benefits
for the year ended December 31, 1997 in conformity with generally accepted
accounting principles.

Our audits were performed for the purpose of forming an opinion on the basic
financial statements taken as a whole. The supplemental schedules of assets held
for investment purposes and reportable transactions are presented for the
purpose of additional analysis and are not a required part of the basic
financial statements but are supplementary information required by the
Department of Labor's Rules and Regulations for Reporting and Disclosure under
the Employee Retirement Income Security Act of 1974. The Fund Information in the
statement of net assets available for benefits with fund information and the
statement of changes in net assets available for benefits with fund information
is presented for purposes of additional analysis rather than to present the net
assets available for plan benefits and changes in net assets available for plan
benefits of each fund. The supplemental schedules and fund information have been
subjected to the audit procedures applied in the audits of the basic financial
statements and, in our opinion, are fairly stated in all material respects in
relation to the basic financial statements taken as a whole.




                                     - 4 -
<PAGE>   5
As discussed in the notes to the supplemental schedules, information provided by
the Trustee and presented in the schedules of investments and reportable
transactions does not disclose the historical cost of certain plan assets held
by the Plan Trustee. Disclosure of this information is required by the
Department of Labor's Rules and Regulations for Reporting and Disclosure under
the Employee Retirement Income Security Act of 1974.




/s/  Coopers & Lybrand L.L.P.


COOPERS & LYBRAND L.L.P.
Philadelphia, Pennsylvania
May 22, 1998


                                     - 5 -
<PAGE>   6
                         HARSCO CORPORATION SAVINGS PLAN

      STATEMENT OF NET ASSETS AVAILABLE FOR BENEFITS WITH FUND INFORMATION

                                December 31, 1997

<TABLE>
<CAPTION>
                                                  Non-Participant
                                                     Directed                                  Participant Directed
                                                     Harsco         Harsco
                                                     Common         Common          Income         Fidelity         S & P     
                                                     Stock           Stock       Accumulation      Magellan          500      
                                    Total            Fund            Fund            Fund            Fund           Fund      

<S>                              <C>             <C>             <C>             <C>            <C>            <C>            
Assets

Investments, at fair value:
   Harsco Corporation 2,482,870
   shares of common stock        $ 107,073,769   $  57,048,904   $  50,024,865   $          --  $          --  $          --  

   Mutual Funds                     67,206,973              --              --      14,527,032     17,207,306     18,418,076  

   Short-term investments            1,021,208         519,192         411,477              --         90,539             --  

   Participant loans                 8,476,358              --              --              --             --             --  

                                 -------------   -------------   -------------   -------------  -------------  -------------  
Total investments                  183,778,308      57,568,096      50,436,342      14,527,032     17,297,845     18,418,076  
                                 -------------   -------------   -------------   -------------  -------------  -------------  

Contributions Receivable:

   Employer's                           49,990          49,990              --              --             --             --  

   Participants'                        93,511              --          43,332           9,474          8,855         14,110  

Interest Receivable                        141              68              59              --             14             --  


                                 -------------   -------------   -------------   -------------  -------------  -------------  
     Total receivables                 143,642          50,058          43,391           9,474          8,869         14,110  
                                 -------------   -------------   -------------   -------------  -------------  -------------  

     Total assets                  183,921,950      57,618,154      50,479,733      14,536,506     17,306,714     18,432,186  

Liabilities

Securities Purchased                   (41,651)        (22,192)        (19,459)             --             --             --  

                                 -------------   -------------   -------------   -------------  -------------  -------------  
     Net assets available for
     benefits                    $ 183,880,299   $  57,595,962   $  50,460,274   $  14,536,506  $  17,306,714  $  18,432,186  
                                 =============   =============   =============   =============  =============  =============  
</TABLE>

<TABLE>
<CAPTION>
                                                  
                                                           Participant Directed
                                 
                                  International    Asset            AIM          Templeton        Bond
                                     Equity      Allocation     Constellation     Foreign         Index     Participant
                                      Fund         Fund             Fund           Fund           Fund         Loans

<S>                              <C>            <C>            <C>            <C>            <C>            <C>          
Assets

Investments, at fair value:
   Harsco Corporation 2,482,870
   shares of common stock        $          --  $          --  $          --  $          --  $          --  $          --

   Mutual Funds                      2,012,218     10,241,174      3,071,092      1,254,460        475,615             --

   Short-term investments                   --             --             --             --             --             --

   Participant loans                        --             --             --             --             --      8,476,358

                                 -------------  -------------  -------------  -------------  -------------  -------------
Total investments                    2,012,218     10,241,174      3,071,092      1,254,460        475,615      8,476,358
                                 -------------  -------------  -------------  -------------  -------------  -------------

Contributions Receivable:

   Employer's                               --             --             --             --             --             --

   Participants'                         2,729          8,204          4,050          1,784            973             --

Interest Receivable                         --             --             --             --             --             --


                                 -------------  -------------  -------------  -------------  -------------  -------------
     Total receivables                   2,729          8,204          4,050          1,784            973             --
                                 -------------  -------------  -------------  -------------  -------------  -------------

     Total assets                    2,014,947     10,249,378      3,075,142      1,256,244        476,588      8,476,358

Liabilities

Securities Purchased                        --             --             --             --             --             --

                                 -------------  -------------  -------------  -------------  -------------  -------------
     Net assets available for
     benefits                    $   2,014,947  $  10,249,378  $   3,075,142  $   1,256,244  $     476,588  $   8,476,358
                                 =============  =============  =============  =============  =============  =============
</TABLE>

The accompanying notes are an integral part of the financial statements.



                                     - 6 -
<PAGE>   7
                         HARSCO CORPORATION SAVINGS PLAN

      STATEMENT OF NET ASSETS AVAILABLE FOR BENEFITS WITH FUND INFORMATION

                                December 31, 1996

<TABLE>
<CAPTION>
                                                Non-Participant
                                                   Directed                                   Participant Directed
                                                    Harsco          Harsco
                                                    Common          Common           Income        Fidelity        S & P     
                                                     Stock          Stock          Accumulation    Magellan         500      
                                    Total            Fund            Fund             Fund           Fund           Fund     
<S>                              <C>             <C>             <C>             <C>            <C>             <C>          
Assets

Investments, at fair value:
   Harsco Corporation 2,403,582
   shares of common stock        $  82,322,684   $  43,680,416   $  38,642,268   $          --  $          --   $          --

   Mutual Funds                     52,510,711              --              --      13,225,029     13,935,293      12,354,701

   Short-term investments            1,668,204         961,094         596,276              --        110,834              --

   Participant loans                 6,998,864              --              --              --             --              --
                                 -------------   -------------   -------------   -------------  -------------   -------------
Total investments                  143,500,463      44,641,510      39,238,544      13,225,029     14,046,127      12,354,701
                                 -------------   -------------   -------------   -------------  -------------   -------------

Contributions Receivable:

   Employer's                           44,757          44,757              --              --             --              --

   Participants'                        79,926              --          18,527           7,683         17,328          10,896

Interest Receivable                        214             106              94              --             14              --
                                 -------------   -------------   -------------   -------------  -------------   -------------
      Total receivables                124,897          44,863          18,621           7,683         17,342          10,896
                                 -------------   -------------   -------------   -------------  -------------   -------------

      Total assets                 143,625,360      44,686,373      39,257,165      13,232,712     14,063,469      12,365,597

Liabilities

Securities Purchased                  (600,689)       (306,014)       (270,718)             --        (23,957)             --
                                 -------------   -------------   -------------   -------------  -------------   -------------
      Net assets available for
      benefits                   $ 143,024,671   $  44,380,359   $  38,986,447   $  13,232,712  $  14,039,512   $  12,365,597
                                 =============   =============   =============   =============  =============   =============
</TABLE>

<TABLE>
<CAPTION>
                                                                    Participant Directed
                                 International       Asset            AIM         Templeton        Bond
                                     Equity        Allocation     Constellation    Foreign         Index      Participant
                                      Fund            Fund            Fund          Fund           Fund          Loans
<S>                                <C>            <C>            <C>            <C>            <C>            <C>          
Assets

Investments, at fair value:
   Harsco Corporation 2,403,582
   shares of common stock          $          --  $          --  $          --  $          --  $          --  $          --

   Mutual Funds                        2,035,760      8,231,690      1,901,144        602,453        224,641             --

   Short-term investments                     --             --             --             --             --             --

   Participant loans                          --             --             --             --             --      6,998,864
                                   -------------  -------------  -------------  -------------  -------------  -------------
Total investments                      2,035,760      8,231,690      1,901,144        602,453        224,641      6,998,864
                                   -------------  -------------  -------------  -------------  -------------  -------------

Contributions Receivable:

   Employer's                                 --             --             --             --             --             --

   Participants'                           3,453         12,073          6,211          2,278          1,477             --

Interest Receivable                           --             --             --             --             --             --

                                   -------------  -------------  -------------  -------------  -------------  -------------
      Total receivables                    3,453         12,073          6,211          2,278          1,477             --
                                   -------------  -------------  -------------  -------------  -------------  -------------

      Total assets                     2,039,213      8,243,763      1,907,355        604,731        226,118      6,998,864

Liabilities

Securities Purchased                          --             --             --             --             --             --
                                   -------------  -------------  -------------  -------------  -------------  -------------
      Net assets available for
      benefits                     $   2,039,213  $   8,243,763  $   1,907,355  $     604,731  $     226,118  $   6,998,864
                                   =============  =============  =============  =============  =============  =============
</TABLE>


The accompanying notes are an integral part of the financial statements.

                                     - 7 -
<PAGE>   8
                         HARSCO CORPORATION SAVINGS PLAN

 STATEMENT OF CHANGES IN NET ASSETS AVAILABLE FOR BENEFITS WITH FUND INFORMATION

                                December 31, 1997

<TABLE>
<CAPTION>
                                                              Non-Participant                                                       
                                                                  Directed                     Participant Directed
                                                                  Harsco         Harsco
                                                                  Common         Common         Income         Fidelity    S & P    
                                                                  Stock          Stock       Accumulation      Magellan     500     
                                                   Total          Fund           Fund            Fund         Fund          Fund    
<S>                                              <C>           <C>           <C>            <C>           <C>         <C>           
Additions to net assets attributed to:

Investment income
      Net appreciation/(depreciation) in the 
        fair value of investments                $ 30,602,348  $ 11,441,816  $ 10,466,453   $         --  $  2,506,372   $ 4,334,219

      Dividends                                     3,412,512     1,043,636       915,141             --     1,109,652            --

      Interest - collective investment fund           799,647            --            --        799,647            --            --
      Interest - short-term investments                62,159        36,473        21,245             --         4,441            --
      Interest - participant loans                    697,119            --            --             --            --            --
                                                 ------------  ------------  ------------   ------------  ------------   -----------
                                                   35,573,785    12,521,925    11,402,839        799,647     3,620,465     4,334,219

   Cash Contributions:
      Employer's                                    3,945,392     3,945,392            --             --            --            --

      Participant's                                14,313,604            --     4,910,189      1,430,371     2,320,328     2,610,122
                                                 ------------  ------------  ------------   ------------  ------------   -----------
Total additions                                    53,832,781    16,467,317    16,313,028      2,230,018     5,940,793     6,944,341
                                                 ------------  ------------  ------------   ------------  ------------   -----------

Deductions:
   Deductions from net assets attributed 
     to Employee withdrawals                       12,977,153     3,308,436     2,868,029      2,002,854     1,278,275     1,248,898
                                                 ------------  ------------  ------------   ------------  ------------   -----------
   Net increase/(decrease) prior to 
     Interfund transfers                           40,855,628    13,158,881    13,444,999        227,164     4,662,518     5,695,443

   Interfund transfers                                     --        56,722    (1,971,172)     1,076,630    (1,395,316)      371,146
                                                 ------------  ------------  ------------   ------------  ------------   -----------
   Net increase/(decrease)                         40,855,628    13,215,603    11,473,827      1,303,794     3,267,202     6,066,589

Net assets available for benefits:

      December 31, 1996                           143,024,671    44,380,359    38,986,447     13,232,712    14,039,512    12,365,597
                                                 ------------  ------------  ------------   ------------  ------------   -----------
      December 31, 1997                          $183,880,299  $ 57,595,962  $ 50,460,274   $ 14,536,506  $ 17,306,714   $18,432,186
                                                 ============  ============  ============   ============  ============   ===========
</TABLE>

<TABLE>
<CAPTION>
                                                 
                                                            Participant Directed
                                             
                                              International      Asset         AIM          Templeton       Bond
                                                 Equity       Allocation   Constellation     Foreign       Index       Participant
                                                  Fund          Fund           Fund          Fund           Fund          Loans
<S>                                          <C>            <C>            <C>           <C>            <C>            <C>         
Additions to net assets attributed to:

Investment income
      Net appreciation/(depreciation) in the 
        fair value of investments            $     (1,289)  $  1,850,008   $     55,566  $    (82,408)  $     31,611   $         --

      Dividends                                        --             --        219,392       124,691             --             --

      Interest - collective investment fund            --             --             --            --             --             --
      Interest - short-term investments                --             --             --            --             --             --
      Interest - participant loans                     --             --             --            --             --        697,119 
                                             ------------   ------------   ------------  ------------   ------------   ------------
                                                   (1,289)     1,850,008        274,958        42,283         31,611        697,119

   Cash Contributions:
      Employer's                                       --             --             --            --             --             --

      Participant's                               476,861      1,267,755        836,667       337,086        124,225             --
                                             ------------   ------------   ------------  ------------   ------------   ------------
Total additions                                   475,572      3,117,763      1,111,625       379,369        155,836        697,119
                                             ------------   ------------   ------------  ------------   ------------   ------------

Deductions:
   Deductions from net assets attributed 
     to Employee withdrawals                      177,452        795,495        250,566        44,274        301,569        701,305
                                             ------------   ------------   ------------  ------------   ------------   ------------
   Net increase/(decrease) prior to 
     Interfund transfers                          298,120      2,322,268        861,059       335,095       (145,733)        (4,186)

   Interfund transfers                           (322,386)      (316,653)       306,728       316,418        396,203      1,481,680
                                             ------------   ------------   ------------  ------------   ------------   ------------
   Net increase/(decrease)                        (24,266)     2,005,615      1,167,787       651,513        250,470      1,477,494

Net assets available for benefits:

      December 31, 1996                         2,039,213      8,243,763      1,907,355       604,731        226,118      6,998,864
                                             ------------   ------------   ------------  ------------   ------------   ------------
      December 31, 1997                      $  2,014,947   $ 10,249,378   $  3,075,142  $  1,256,244   $    476,588   $  8,476,358
                                             ============   ============   ============  ============   ============   ============
</TABLE>



The accompanying notes are an integral part of the financial statements.


                                     - 8 -
<PAGE>   9
                  NOTES TO FINANCIAL STATEMENTS OF SAVINGS PLAN


1.     General Description of Plan:

       The following description of the Harsco Corporation Savings Plan (the
       "Plan") provides only general information. Participants should refer to
       the Plan agreement for a more complete description of the Plan's
       provisions.

       The Plan is a defined contribution plan designed to comply with the
       requirements of the Employee Retirement Income Security Act of 1974
       ("ERISA") and with the requirements for qualification under Sections
       401(a) and 401(k) of the Internal Revenue Code (the "Code").

       All employees (including officers) who receive a stated weekly, hourly,
       monthly or annual rate of compensation and are employed by Harsco
       Corporation (the "Company") or any subsidiary of either the Company or a
       subsidiary which adopts this Plan with the approval of the Company shall
       be covered by, or remain covered by, this Plan, are deemed ("Eligible
       Employees"). Appendix B of the Plan and as amended from time to time,
       shall identify the collective bargaining units representing Eligible
       Employees under this Plan and the date as of which their coverage
       commenced. Effective August 1, 1996, new employees deemed an Eligible
       Employee under this plan are eligible to participate in the plan
       immediately upon their hire date. Prior to August 1, 1996, employees must
       have completed at least one thousand (1,000) hours of service during the
       twelve (12) month period beginning with the date of commencement of their
       employment to be considered an Eligible Employee.

       To participate in the Plan, an Eligible Employee must elect to contribute
       to the Plan through payroll deductions each pay period in whole
       percentages from 1% to 16% of compensation received for services as an
       employee of the Company or any subsidiary of the Company. The participant
       shall designate what percentage of such contributions will be "Pre-Tax
       Contributions" and what percentage will be "After-Tax Contributions." A
       participant who makes Matched Pre-Tax and/or Matched After-Tax
       Contributions in an aggregate amount of 6% of his compensation may also
       elect to contribute from 1% to 10% of his compensation as an Unmatched
       Pre-Tax and/or Unmatched After-Tax Contribution. In no event during the
       year may (a) Matched Pre-Tax and Matched After-Tax Contributions exceed
       6% of compensation, (b) Unmatched Pre-Tax and Unmatched After-Tax
       Contribution exceed 10% of compensation or (c) Pre-Tax Contributions
       exceed the amount specified by the Internal Revenue Service code which is
       $9,500. Pre-Tax Contributions shall constitute a reduction in the
       participant's taxable income for purposes of Section 401(k) of the Code
       but for the purpose of the Company's tax deductions, shall be considered
       contributions made by the Company. After-Tax Contributions will be
       considered to be the participant's contributions to the Plan and shall
       not constitute a reduction in the participant's taxable income for the
       purposes of Section 401(k) of the Code.


                                     - 9 -
<PAGE>   10
            NOTES TO FINANCIAL STATEMENTS OF SAVINGS PLAN, continued

1.     General Description of Plan: (Continued)

       Pursuant to the Plan, the Company will make contributions in cash to the
       Trustee for the account of each participant in an amount equal to 50% of
       the first 6% of such participants' compensation designated as Matched
       Pre-Tax Contributions and/or Matched After-Tax Contributions. These
       contributions are referred to as "Company Matching Contributions".

       Participants are immediately vested in their contributions plus actual
       earnings thereon. Vesting in the Company's Matching and Prior Match
       Accounts is based on years of vesting service. A Participant is 100%
       vested after five years of credited service.

       Custom Fund fees related to the Harsco Common Stock Fund and the Fidelity
       Magellan Fund are paid by the Company. Investment management fees related
       to the Fidelity Magellan Fund, the S&P 500 Fund, the International Equity
       Fund, the Asset Allocation Fund, the AIM Constellation Fund, and the
       Templeton Foreign Fund are paid by the Plan Participants. Participant
       directed investment fund change fees (not in excess of four changes per
       plan year) and Plan record keeping fees are paid by the Company.

       Participants may borrow from their fund accounts a minimum of $500 to a
       maximum of 50% of their vested account balance, not to exceed $50,000.
       Loan transactions are treated as a transfer to (from) the respective
       investment fund(s) from (to) the Participant Loans fund. The Participant
       may choose the loan repayment period, not to exceed five years. However,
       the term may be for any period not to exceed 15 years if the purpose of
       the loan is to acquire the Participant's principal residence. The loans
       are collateralized only by the portion of the Participant's Account from
       which the loan is made and bear interest at a rate commensurate with
       local prevailing rates as determined periodically by the Plan
       administrator. Interest rates on outstanding loans, based on the
       Trustee's prime rate plus one percent, ranged from 7.19% to 10.0%.
       Principal and interest is paid ratable through payroll deductions.

       While the Company has not expressed any intent to discontinue the Plan,
       it reserves the right to terminate the Plan at any time or discontinue
       contributions thereunder. In the event such discontinuance resulted in
       the termination of the Plan, the accounts of each affected employee who
       has not yet incurred a break in service shall be fully vested. Complete
       distributions or withdrawals would be distributed to Plan Participants
       and beneficiaries in proportion to their respective account balances.


                                     - 10 -
<PAGE>   11
            NOTES TO FINANCIAL STATEMENTS OF SAVINGS PLAN, continued

2.     Summary of Significant Accounting Policies:

       Basis of Accounting:

       The financial statements of the Plan are prepared under the accrual
       method of accounting.

       Investment Valuation:

       The Harsco Corporation Common Stock is stated at market value, which
       represents the closing price of the stock on the Composite Reporting Tape
       of the stock exchanges on the last day of trading of the calendar year.
       Shares in the Income Accumulation Fund, the Fidelity Magellan Fund, the
       S&P 500 Fund, the International Equity Fund, the Asset Allocation Fund,
       the AIM Constellation Fund, the Templeton Foreign Fund, and the Bond
       Index Fund, are all stated at fair value, which represents the closing
       price on the last day of trading of the calendar year. Short-term
       investments, which represent the temporary investment of funds until
       purchases of common stock are completed, are invested in the BZW Barclays
       Global Investors Money Market Fund, which are stated at fair value.

       Use of Estimates:

       The preparation of financial statements in conformity with generally
       accepted accounting principles requires management to make significant
       estimates and assumptions that affect the reported amounts of assets and
       liabilities and disclosures of contingent assets and liabilities at the
       date of the financial statements and the reported amounts of revenue and
       expenses during the reporting period. Actual results could differ from
       those estimates.

       Other:

       The Plan presents in the Statement of Changes in Net Assets Available for
       Benefits with Fund Information the net appreciation (depreciation) in the
       market value of its investments which consists of the realized gains or
       losses and the unrealized appreciation (depreciation) on those
       investments.

       The purchase and sales of investments are recorded on a trade-date basis.
       Dividend income is recorded on the ex-dividend date. Income from other
       investments is recorded as earned on an accrual basis.

       Both participants' and Company contributions are accrued in the period of
       the related payroll deductions. Forfeitures, a result of participant
       withdrawals prior to their full vesting in the Plan, are used to reduce
       the amount of future Company matching contributions.


                                     - 11 -
<PAGE>   12
            NOTES TO FINANCIAL STATEMENTS OF SAVINGS PLAN, continued

3.     Investment Programs:

       The Plan, comprised of participants' and Company contributions, is
       divided into the following funds described below.

       (1)    Harsco Common Stock Fund - (consisting of Common Stock purchased
              with Company and participants' contributions): a fund consisting
              of Common Stock of Harsco Corporation purchased in the open market
              or through privately negotiated transactions to the extent
              permitted by rules of the New York Stock Exchange and the
              Securities and Exchange Commission.

       (2)    Income Accumulation Fund - (consisting of investments purchased
              with participants' contributions): a fund consisting of
              investments in guaranteed investment contracts and synthetic
              guaranteed investment contracts that are individually negotiated
              between the Fund manager and the insurance companies and banks
              that issue them.

       (3)    Fidelity Magellan Fund - (consisting of investments purchased with
              participants' contributions): a fund consisting of shares of the
              Fidelity Magellan Mutual Fund which is managed by Fidelity
              Management and Research Company, Boston, Massachusetts.

       (4)    S&P 500 Fund - (consisting of investments purchased with
              participants' contributions): a fund consisting of investments in
              the same stocks and in substantially the same percentages as the
              S&P 500 Index.

       (5)    International Equity Fund - (consisting of investments purchased
              with participants' contributions): a fund consisting of
              investments in foreign stocks in the equity markets of Western
              European and Pacific Rim countries.

       (6)    Asset Allocation Fund - (consisting of investments purchased with
              participants' contributions): a fund consisting of investments
              among three asset classes consisting of S&P 500 Index common
              stocks, U.S. Treasury Bonds, and money market instruments.

       (7)    AIM Constellation Fund - (consisting of investments purchased with
              participants' contributions): a fund consisting of investments in
              common stocks with emphasis on medium-sized and smaller emerging
              growth companies which is managed by AIM Management Group Inc.,
              Houston, Texas.


                                     - 12 -
<PAGE>   13
            NOTES TO FINANCIAL STATEMENTS OF SAVINGS PLAN, continued

3.     Investment Programs:  (Continued)

       (8)    Templeton Foreign Fund - (consisting of investments purchased with
              participants' contributions): a fund consisting of investments in
              stocks and debt obligations of companies and governments outside
              the U.S. which is managed by Templeton Funds, Inc., St.
              Petersburg, Florida.

       (9)    Bond Index Fund - (consisting of investments purchased with
              participants' contributions): a fund consisting of investments in
              domestic bonds issued by the U.S. Treasury, U.S. government
              agencies, and high-quality bonds issued by U.S. corporations.

       If at any time it is not possible for the Trustee to purchase Common
       Stock of the Company as required for the Harsco Common Stock Fund, the
       Trustee will invest such funds in short-term obligations of the United
       States government or agencies thereof or in other types of short-term
       investments, including commercial paper (other than obligations of the
       Company or its affiliates).

       The Plan provides for various investment options as described above.
       Investment securities are exposed to various risks, such as interest
       rate, market and credit. Due to the level of risk associated with certain
       investment securities and the level of uncertainty related to changes in
       the value of investment securities, it is at least reasonably possible
       that changes in risks in the near term could materially affect
       participants' account balances and the amounts reported in the statement
       of net assets available for plan benefits and the statement of changes in
       net assets available for plan benefits.

       There were 5,388 participants at December 31, 1997 who participated in
       one or more of the nine investment funds. At December 31, 1997 the number
       of participants selecting each of the investment funds for their
       contributions was as follows:

       Harsco Corporation Common Stock Fund........................      5,306
       Income Accumulation Fund....................................      1,892
       Fidelity Magellan Fund......................................      2,529
       S & P 500 Stock Fund........................................      2,711
       International Equity Fund...................................        836
       Asset Allocation Fund.......................................      1,637
       AIM Constellation Fund......................................        736
       Templeton Foreign Fund......................................        416
       Bond Index Fund.............................................        270


                                     - 13 -
<PAGE>   14
            NOTES TO FINANCIAL STATEMENTS OF SAVINGS PLAN, continued

4.     Federal Income Taxes:

       The Company received a determination letter from the Internal Revenue
       Service on April 15, 1995, that the Plan, as amended September 15, 1994,
       is a qualified plan under Sections 401(a) and 401(k) of the Internal
       Revenue Code and is therefore exempt from Federal income taxes under the
       provisions of Section 501(a). The Plan has been amended since receiving
       the determination letter. However, the Plan administrator and the Plan's
       tax counsel believe that the Plan is designed and is currently being
       operated in compliance with the applicable provisions of the Internal
       Revenue Code.

5.     Harsco Corporation Common Stock Split:

       On November 19, 1996, the Board of Directors declared a two-for-one stock
       split on the Company's common stock. One additional share was issued for
       each share of common stock held by shareholders of record as of the close
       of business on January 15, 1997. New shares were distributed on February
       14, 1997. The effect of the stock split has been retroactively reflected
       in the Statement of Net Assets Available for Benefits with Fund
       Information for the year ended December 31, 1996.


                                     - 14 -
<PAGE>   15
                         HARSCO CORPORATION SAVINGS PLAN

           LINE 27a - SCHEDULE OF ASSETS HELD FOR INVESTMENT PURPOSES
                                    FORM 5500

                                December 31, 1997

<TABLE>
<CAPTION>
    (a)                                                                                                      (e)
   Party       Shares or                           (b) & (c)                                (d)            Current
In Interest      Units           Identity of Issue and Description of Investment            Cost            Value
- -----------   -----------        -----------------------------------------------        -------------     ---------
<S>           <C>                <C>                                                    <C>               <C>
                                 Common Stock:
     *         2,482,870            Harsco Corp. Common Stock, par value $1.25          $         (2)     $ 107,073,769
                                                                                                          -------------
                                      Total Common Stock                                                    107,073,769
                                                                                                          -------------
                     N/A         Participant Loans (1)                                            -0-         8,476,358
                                                                                                          -------------
                                 Mutual Funds:
                 905,017              Fidelity Magellan Fund                                      (2)        17,207,306
     *         1,041,081              Income Accumulation Fund                             14,527,032        14,527,032
     *           500,491              S & P 500 Fund                                       14,328,081        18,418,076
     *           141,706              International Equity Fund                             2,014,626         2,012,218
     *           388,659              Asset Allocation Fund                                 8,466,660        10,241,174
                 116,417              Aim Constellation Fund                                3,071,966         3,071,092
                 126,076              Templeton Foreign Fund                                1,346,825         1,254,460
     *            29,615              Bond Index Fund                                         457,914           475,615
                                                                                                          -------------
                                          Total Mutual Funds                                                 67,206,973
                                                                                                          -------------
     *               N/A         Short-Term Investments - BZW Barclays                      1,021,208         1,021,208
                                 Global Investors Money Market Fund                                       -------------
                                                                   
                                 Total Assets Held for Investment Purposes                                $ 183,778,308
                                                                                                          =============
</TABLE>

(1)      Participant Loans range up to fifteen years to maturity and interest
         rates on these loans ranged from 7.19% to 10.0%.

(2)      The historical cost information was not available from the trustee or
         custodian due to the cumulative nature of the costs in these funds.


                                      -15-
<PAGE>   16
                         HARSCO CORPORATION SAVINGS PLAN

               LINE 27d - SCHEDULE OF REPORTABLE (5%) TRANSACTIONS
                                    FORM 5500

                      For the year ended December 31, 1997

<TABLE>
<CAPTION>
                                                                                         (iii), (iv)
                                                              (i), (ii)                 Total Dollar
        (a)                            (b)                 Total Number of                Value of                    (v)
    Identity of                    Description              Purchases (P)                 Purchases               Net Gain or
  party involved                    of Asset              and/or Sales (S)              and/or Sales                (Loss)
- --------------------------------------------------------------------------------------------------------------------------------
<S>                          <C>                          <C>                       <C>                         <C>
Harsco Corporation,          Harsco Common                   (P)     146            $       7,458,835           $              -
   plan sponsor                Stock Fund                    (S)     107            $       6,446,426           $      3,170,110

Harsco Corporation           Income Accumulation             (P)     135            $       4,165,785           $              -
   plan sponsor                Fund                          (S)     118            $       3,663,428           $              -
</TABLE>


                                      -16-
<PAGE>   17
                                   SIGNATURES

         Pursuant to the requirements of the Securities Exchange Act of 1934,
the Plan Administrative Committee has duly caused this annual report to be
signed by the undersigned thereunto duly authorized.

                                      HARSCO CORPORATION SAVINGS PLAN

                                      BY       /s/ P. C. Coppock
                                               --------------------------
                                               P. C. Coppock
                                               Senior Vice President,
                                               Chief Administration Officer,
                                               General Counsel and Secretary
June 2, 1998


                                      -17-
<PAGE>   18
                         HARSCO CORPORATION SAVINGS PLAN
                           Annual Report on Form 11-K
                      for the year ended December 31, 1997

INDEX TO EXHIBITS

<TABLE>
<CAPTION>
Exhibit
Number            Data Required                                        Location in 11-K
<S>               <C>                                                  <C>
        1         Consent of Independent Accountants                   Page 19

        2         Participant's Statement of Account                   Pages 20 to 23

        3         Appendix "B" to Harsco                               Page 24 to 25
                     Savings Plan

        4         Description of Federal Tax                           Incorporated by reference
                    Considerations                                       from pages 50-56 Post Effective
                                                                         Amendment No. 2 to form S-8
                                                                         Registration Statement
                                                                         (Registration No. 33-5300)
                                                                         effective April 30, 1990.
</TABLE>


                                      -18-

<PAGE>   1
                                                                       EXHIBIT 1

                       CONSENT OF INDEPENDENT ACCOUNTANTS

We consent to the incorporation by reference in Post Effective Amendment No. 2
to Form S-8 Registration Statement (Registration No. 33-5300) of our report
dated May 22, 1998, on our audits of the net assets available for benefits of
the Harsco Corporation Savings Plan as of December 31, 1997 and 1996, and the
changes in net assets available for benefits for the year ended December 31,
1997. Our report, which includes explanatory paragraphs regarding (i)
supplemental schedules and fund information and (ii) information provided by the
trustee and presented in the schedules of investments and reportable
transactions, which does not disclose the historical cost of certain plan
assets.

/s/COOPERS & LYBRAND L.L.P.
COOPERS & LYBRAND L.L.P.

Philadelphia, Pennsylvania
June 2, 1998


                                      -19-

<PAGE>   1
                                                                       EXHIBIT 2

[HARSCO CORPORATION LOGO]

HARSCO CORPORATION SAVINGS PLAN

<TABLE>
<S>                                                                                 <C>                                 <C>
                                                                                    QUESTIONS?                          800-776-4015
                                                                                    Outside USA                         415-396-4015
                                                                                    TDD for hearing impaired            800-772-6009

                                                                                    Social Security
Participant Name                                                                    Birthdate
Participant Address                                                                 Hire Date
                                                                                    Adjusted Hire Date
</TABLE>

- --------------------------------------- --------------------------------------
ACCOUNT AT A GLANCE                          For the Period    JANUARY 1, 1997
                                             through         DECEMBER 31, 1997
- --------------------------------------- --------------------------------------
<TABLE>
<S>                                              <C>                                <C>                                          <C>
YOUR ACCOUNT BALANCE                                                                YOUR CONTRIBUTION PERCENTAGE
Ending balance                                   $0.00                              Pre-Tax                                       0%
Beginning balance                                 0.00                              After-Tax                                     0%

Net change                                       $0.00                              YOUR INVESTMENT ELECTIONS
                                                                                    Asset Allocation                              0%
                                                                                    Harsco Stock Fund                             0%
                                                                                    S&P 500 Stock                                 0%
                                                                                    Income Accumulation                           0%
                                                                                    Harsco Fidelity Magellan                      0%
                                                                                    International Equity                          0%
                                                                                    Templeton Foreign                             0%
                                                                                    Bond Index                                    0%
                                                                                    AIM Constellation                             0%
Vested balance                                   $0.00
                                                                                    TOTAL RETURN ON YOUR INVESTMENTS
                                                                                    3 months ending December 31, 1997             0%
                                                                                    12 months ending December 31, 1997            0%
</TABLE>

CONTRIBUTIONS

<TABLE>
<CAPTION>
                                        THIS              THIS               CURRENT           VESTED                VESTED
CONTRIBUTION TYPE                    QUARTER              YEAR               BALANCE                %               BALANCE
                                     -------             -----               -------           ------               -------
<S>                                  <C>                 <C>                 <C>               <C>                  <C>  
PRE-TAX                                $0.00             $0.00                 $0.00                0                 $0.00
AFTER TAX                                .00               .00                   .00                0                   .00
ROLLOVER                                 .00               .00                   .00                0                   .00
COMPANY MATCHING                         .00               .00                   .00                0                   .00
SHERWOOD PRIOR MATCH                     .00               .00                   .00                0                   .00
                                     -------             -----               -------           ------               -------
TOTAL                                  $0.00             $0.00                 $0.00                0                 $0.00
</TABLE>


                                      -20-
<PAGE>   2
Participant Name                                                      EXHIBIT 2
January 1, 1997 through December 31, 1997

<TABLE>
<CAPTION>
- ------------------------------------------------------------------ -----------------------------------------------------------------
ACCOUNT ACTIVITY
- ------------------------------------------------------------------ -----------------------------------------------------------------
                                                    AIM              ASSET            BOND             INCOME         FIDELITY
                               IN TRANSIT      CONSTELLATION      ALLOCATION          INDEX         ACCUMULATION      MAGELLAN
<S>                            <C>             <C>                <C>                 <C>           <C>               <C>  
BEGINNING BALANCE                 $0.00            $0.00             $0.00             $0.00            $0.00             $0.00

CONTRIBUTIONS                      0.00             0.00              0.00              0.00             0.00              0.00
FUND TRANSFERS                     0.00             0.00              0.00              0.00             0.00              0.00
DISBURSEMENTS                      0.00             0.00              0.00              0.00             0.00              0.00
DIVIDEND/INCOME PAID               0.00             0.00              0.00              0.00             0.00              0.00
CAPITAL GAINS PAID                 0.00             0.00              0.00              0.00             0.00              0.00

FUNDS GAIN/LOSS                    0.00             0.00              0.00              0.00             0.00              0.00

LOAN PAYMENTS                      0.00             0.00              0.00              0.00             0.00              0.00
LOAN ADJUSTMENTS                   0.00             0.00              0.00              0.00             0.00              0.00
INTEREST EARNED                    0.00             0.00              0.00              0.00             0.00              0.00

FEES                               0.00             0.00              0.00              0.00             0.00              0.00
FORFEITURES                        0.00             0.00              0.00              0.00             0.00              0.00
ADJUSTMENTS                        0.00             0.00              0.00              0.00             0.00              0.00
PURCHASES                          0.00             0.00              0.00              0.00             0.00              0.00
REDEMPTIONS                        0.00             0.00              0.00              0.00             0.00              0.00
                                  -----            -----             -----             -----            -----             -----
ENDING BALANCE                    $0.00            $0.00             $0.00             $0.00            $0.00             $0.00
</TABLE>

<TABLE>
<CAPTION>
                                                                                     HARSCO
                              INTERNATIONAL       S&P 500          TEMPLETON          STOCK           EMPLOYEE
                                 EQUITY            STOCK            FOREIGN           FUND              LOAN           TOTALS
<S>                           <C>                 <C>              <C>               <C>              <C>              <C>  
BEGINNING BALANCE                 $0.00            $0.00             $0.00             $0.00            $0.00             $0.00

CONTRIBUTIONS                      0.00             0.00              0.00              0.00             0.00              0.00
FUND TRANSFERS                     0.00             0.00              0.00              0.00             0.00              0.00
DISBURSEMENTS                      0.00             0.00              0.00              0.00             0.00              0.00
DIVIDEND/INCOME PAID               0.00             0.00              0.00              0.00             0.00              0.00
CAPITAL GAINS PAID                 0.00             0.00              0.00              0.00             0.00              0.00

FUNDS GAIN/LOSS                    0.00             0.00              0.00              0.00             0.00              0.00

LOAN PAYMENTS                      0.00             0.00              0.00              0.00             0.00              0.00
LOAN ADJUSTMENTS                   0.00             0.00              0.00              0.00             0.00              0.00
INTEREST EARNED                    0.00             0.00              0.00              0.00             0.00              0.00

FEES                               0.00             0.00              0.00              0.00             0.00              0.00
FORFEITURES                        0.00             0.00              0.00              0.00             0.00              0.00
ADJUSTMENTS                        0.00             0.00              0.00              0.00             0.00              0.00
PURCHASES                          0.00             0.00              0.00              0.00             0.00              0.00
REDEMPTIONS                        0.00             0.00              0.00              0.00             0.00              0.00
                                  -----            -----             -----             -----            -----             -----
ENDING BALANCE                    $0.00            $0.00             $0.00             $0.00            $0.00             $0.00
</TABLE>


                                      -21-
<PAGE>   3
                                                                       EXHIBIT 2
FUND PERFORMANCE SUMMARY           Returns for periods ending DECEMBER 31, 1997

<TABLE>
<CAPTION>
                                                                        AVERAGE ANNUAL TOTAL RETURNS
                                                               ------------------------------------------------------
INVESTMENTS                         THIS          JAN 1                                                                       SINCE
IN YOUR PLAN                     QUARTER        TO DATE          1 YEAR         3 YEAR         5 YEAR         10 YEAR     INCEPTION+
<S>                              <C>            <C>             <C>             <C>            <C>            <C>         <C>  
STOCK FUNDS
  AIM Constellation(3)             0.00%          0.00%          0.00%           0.00%          0.00%          0.00%         0.00%
  Harsco Fidelity Magellan(2)      0.00           0.00           0.00            0.00
  Harsco Stock Fund(2)             0.00           0.00           0.00            0.00
  International Equity(1)          0.00           0.00           0.00            0.00           0.00           0.00
  S&P 500 Stock(1)                 0.00           0.00           0.00            0.00           0.00           0.00
  Templeton Foreign(3)             0.00           0.00           0.00            0.00           0.00           0.00          0.00
COMBINATION FUNDS
  Asset Allocation(1)              0.00           0.00           0.00            0.00           0.00           0.00
FIXED INCOME FUNDS
  Bond Index(1)                    0.00           0.00           0.00            0.00           0.00           0.00
  Income Accumulation(1)           0.00           0.00           0.00            0.00           0.00           0.00
</TABLE>

+ Returns since inception for the funds in existence less than one year are not
annualized.

FUND DESCRIPTIONS

These graphs represent two kinds of POTENTIAL: STABILITY AND APPRECIATION. They
are based solely on the investment objective of the fund and DO NOT REPRESENT
ACTUAL OR IMPLIED PERFORMANCE.

STABILITY

refers to the fund's potential to maintain a stable value over shorter periods
of time.

[GRAPHIC]

Stability Example Graph:         A vertical bar graph with indications of "High"
                                 at the top and "Low" at at the bottom of the
                                 graph. Light grey shading extends from the
                                 bottom up to the middle of the graph.

APPRECIATION

refers to the fund's potential to increase in value over longer periods of time.

[GRAPHIC]

Appreciation Example             A vertical bar graph with indications of "High"
Graph:                           at the top and "Low" at at the bottom of the
                                 graph. Black shading extends from the bottom up
                                 to the middle of the graph.

(1)COLLECTIVE TRUST FUNDS

ASSET ALLOCATION

Invests in three asset classes: common stocks, U.S. Treasury bonds and money
market instruments. As the expected risk and return of these asset classes
change over time, the fund adjusts its mix in pursuit of a higher total return
consistent with reasonable risk.

[GRAPHIC]

Asset Allocation Fund            Two separate side by side vertical bar graphs
Graphs:                          indicating Stability and Appreciation in the
                                 Asset Allocation Fund.

                                 -        The Stability Graph for this fund has
                                          light grey shading extending from the
                                          bottom to approximately mid-point up
                                          the graph.

                                 -        The Appreciation Graph for this fund
                                          has black shading extending from the
                                          bottom to approximately three-quarters
                                          up the graph.

INTERNATIONAL EQUITY

Seeks to approximate the capitalization-weighted total rate of return of markets
for international equity securities traded outside the U.S.

[GRAPHIC]

International Equity Fund        Two separate side by side vertical bar graphs
Graphs -                         indicating Stability and Appreciation in the
                                 International Equity Fund.

                                 -        The Stability Graph for this fund has
                                          light grey shading extending from the
                                          bottom to approximately one-quarter up
                                          the graph.

                                 -        The Appreciation Graph for this fund
                                          has black shading extending from the
                                          bottom to approximately three-quarters
                                          up the graph.

BOND INDEX

Seeks to achieve a total rate of return equal to the total rate of return of all
outstanding U.S. Government and high-grade corporate bonds.

[GRAPHIC]

Bond Index Fund Graphs -         Two separate side by side vertical bar graphs
                                 indicating Stability and Appreciation in the
                                 Bond Index Fund.

                                 -        The Stability Graph for this fund has
                                          light grey shading extending from the
                                          bottom to approximately three-quarters
                                          up the graph.

                                 -        The Appreciation Graph for this fund
                                          has black shading extending from the
                                          bottom to approximately one-half up
                                          the graph.

S&P 500 STOCK

Seeks to approximate, as closely as practicable, the capitalization-weighted
total rate of return of the S&P 500 Index.

[GRAPHIC]

S & P 500 Stock Graphs -         Two separate side by side vertical bar graphs
                                 indicating Stability and Appreciation in the
                                 S & P 500 Stock Fund.

                                 -        The Stability Graph for this fund has
                                          light grey shading extending from the
                                          bottom to approximately one-fourth up
                                          the graph.

                                 -        The Appreciation Graph for this fund
                                          has black shading extending from the
                                          bottom to approximately three-quarters
                                          up the graph.

INCOME ACCUMULATION

Seeks to provide income without significant principal volatility. The fund
invests in guaranteed investment contracts (GIC's), short-term, fixed-income
securities and money market instruments.

[GRAPHIC]

Income Accumulation Fund         Two separate side by side vertical bar graphs
Graphs -                         indicating Stability and Appreciation in the
                                 Income Accumulation Fund.

                                 -        The Stability Graph for this fund has
                                          light grey shading extending from the
                                          bottom to approximately three-quarters
                                          up the graph.

                                 -        The Appreciation Graph for this fund
                                          has black shading extending from the
                                          bottom to approximately one-quarter up
                                          the graph.

(2)CUSTOM FUNDS

HARSCO FIDELITY MAGELLAN

Seeks capital appreciation by investing primarily in common stocks and
securities convertible into common stock of domestic, foreign and multinational
issuers of all sizes that offer potential for growth.

[GRAPHIC]

Harsco Fidelity Magellan         Two separate side by side vertical bar graphs
Fund Graphs -                    indicating Stability and Appreciation in the
                                 Harsco Fidelity Magellan Fund.

                                 -        The Stability Graph for this fund has
                                          light grey shading extending from the
                                          bottom to approximately one-third up
                                          the graph.

                                 -        The Appreciation Graph for this fund
                                          has black shading extending from the
                                          bottom to approximately three-quarters
                                          up the graph.

HARSCO STOCK FUND

Invests principally in the common stock of Harsco Corporation. Units of the fund
are valued on the basis of the market value of Harsco Corporation common stock.

[GRAPHIC]

Harsco Stock Fund Graphs -       Two separate side by side vertical bar graphs
                                 indicating Stability and Appreciation in the
                                 Harsco Stock Fund.

                                 -        The Stability Graph for this fund has
                                          light grey shading extending from the
                                          bottom to approximately one-fifth up
                                          the graph.

                                 -        The Appreciation Graph for this fund
                                          has black shading extending from the
                                          bottom to approximately three-quarters
                                          up the graph.

                                      -22-
<PAGE>   4
                                                                       EXHIBIT 2

(3)REGISTERED MUTUAL FUNDS
- --------------------------

AIM CONSTELLATION

Aggressively seeks capital appreciation by investing principally in common
stocks, with emphasis on medium-sized and smaller emerging growth companies.
Fund inception 04/30/76.

[GRAPH]

AIM Constellation Fund           Two separate side by side vertical bar graphs
Graphs:                          indicating Stability and Appreciation in the
                                 AIM Constellation Fund.

                                 -        The Stability Graph for this fund has
                                          light grey shading extending from the
                                          bottom to approximately one-fifth up
                                          the graph.

                                 -        The Appreciation Graph for this fund
                                          has black shading extending from the
                                          bottom to approximately four-fifths up
                                          the graph.

TEMPLETON FOREIGN (1)

Seeks long-term capital growth through a flexible policy of investing in stocks
and debt obligations of companies and governments outside of the U.S. Fund
inception 10/05/82.

[GRAPH]

Templeton Foreign Fund           Two separate side by side vertical bar graphs
Graphs:                          indicating Stability and Appreciation in the
                                 Templeton Foreign Fund.

                                 -        The Stability Graph for this fund has
                                          light grey shading extending from the
                                          bottom to approximately one-fifth up
                                          the graph.

                                 -        The Appreciation Graph for this fund
                                          has black shading extending from the
                                          bottom to approximately four-fifths up
                                          the graph.

- -------------------------------------------------------------------------------
IMPORTANT FUND INFORMATION
- -------------------------------------------------------------------------------

FOR ALL FUNDS

INVESTMENT RISK: FUNDS ARE NOT FDIC INSURED, ARE NOT OBLIGATIONS OR DEPOSITS OF
BARCLAYS GLOBAL INVESTORS, N.A. ("BGI"), ARE NOT GUARANTEED BY BGI AND INVOLVE
INVESTMENT RISK, INCLUDING POSSIBLE LOSS OF PRINCIPAL. THE PRINCIPAL AND YIELD
OF FUND SHARES OR PARTICIPATIONS WILL FLUCTUATE WITH CHANGES IN MARKET
CONDITIONS SO THAT AN INVESTOR'S SHARES OR PARTICIPATIONS, WHEN REDEEMED, MAY BE
WORTH MORE OR LESS THAN THEIR ORIGINAL COST. PAST PERFORMANCE IS NO GUARANTEE OF
FUTURE RESULTS. 

RETURNS: Total return figures are provided by the fund administrator. These
numbers are believed to be reliable but are unaudited and subject to revision.
To secure revised returns or to obtain prospectuses, call 1-800-776-4015.
Returns for periods over one year are annualized. 

AUTOMATED VOICE ANSWERLINE: To use the automated voice answer line, call
1-800-776-4015 and follow the instructions.

FOR COLLECTIVE TRUST FUNDS

SOURCE: Collective trust funds are unregistered collective investment funds that
are maintained and offered by Barclays Global Investors.

RETURNS: For all funds except the Money Market Fund and the U.S. Government
Money Market Fund, all income is reinvested in the funds and is reflected in the
unit value. 

RETURNS PRIOR TO INCEPTION: Daily fund inception dates vary; collective fund
returns prior to inception are principally for less-frequently-valued funds with
substantially similar investment strategies and have been adjusted for
management fees and estimated fund expenses. See individual fund fact sheets for
details. Results of a daily-valued fund may vary from those of a
less-frequently-valued fund.

FOR COMPANY CUSTOM FUNDS

SOURCE: Company custom funds are unregistered custom separate accounts
maintained by Barclays Global Investors and offered as an investment option by
the plan sponsor. 

RETURNS: All income is reinvested in the funds and is reflected in the unit 
value. Daily fund inception dates vary.

UNIT VALUE: The fund unit value and performance of a custom fund which is based
on an underlying mutual fund differs from the net asset value and performance of
the underlying mutual fund due to fees, expenses and crediting of income to
units rather than purchase of additional shares. The custom fund also maintains
cash holdings which may further contribute toward differences in performance
between fund units and the underlying mutual fund NAV.

HARSCO STOCK FUND: The fund maintains cash holdings which may account for the
differences in performance between fund units and common shares.

FOR REGISTERED MUTUAL FUNDS

PROSPECTUSES: You may obtain a fund prospectus by calling 1-800-776-4015. The
prospectus contains more complete information, including charges and expenses.
Please read it carefully before investing.

NON-AFFILIATION: The company sponsoring the plan through which these funds are
made available is not affiliated with any of the sponsor/distributors discussed
below.

RETURNS: Total return figures represent the change in value of an investment
over the specified periods and assume the reinvestment of dividends and capital
gains distributions.

RETURNS SINCE INCEPTION: Returns since inception for funds in existence less
than one year are not annualized; for funds in existence one year or longer,
average annual returns are given. Returns since inception are required for
mutual funds. Since the mutual funds may have existed for differing periods of
time, their returns since inception may not be comparable.

NAV INFORMATION: Fund net asset values are reported daily in most newspapers.

FOR AIM MUTUAL FUNDS

SPONSOR/DISTRIBUTOR: The AIM Constellation Fund is a mutual fund advised by A I
M Distributors, Inc. The fund is not affiliated with Barclays Global Investors.
Information for the AIM Constellation Fund provided by A I M Distributors, Inc.

EFFECT OF FEES ON PERFORMANCE: All total return calculations do not include the
maximum initial 5.5% sales charge. Investors in qualifying 401(k) plans purchase
shares and reinvest dividends and capital gains distributions at net asset
value, whereas investors outside the qualified plan must generally pay sales
charges as discussed in the fund's prospectus. For the period ending 12/31/97,
the annualized returns for the fund after sales charges were as follows: One
year, 6.71%; 5 years, 14.83%; and 10 years, 19.68%.

FOR TEMPLETON MUTUAL FUNDS

SPONSOR/DISTRIBUTOR: The Templeton Foreign Fund (I) is advised by Templeton,
Galbraith & Hansberger Ltd. and sponsored by Franklin/Templeton Distributors,
Inc. The fund is not affiliated with Barclays Global Investors. Information for
the Templeton Foreign Fund is provided by Templeton Franklin Services, Inc.

INVESTMENT RISK: THE TEMPLETON FOREIGN FUND (I)'S SHARE PRICE AND RETURN WILL
FLUCTUATE WITH MARKET CONDITIONS, CURRENCIES, AND THE ECONOMIC AND POLITICAL
CLIMATES WHERE INVESTMENTS ARE MADE. THESE SPECIAL RISK CONSIDERATIONS ARE
DISCUSSED IN THE PROSPECTUS.

EFFECT OF FEES ON PERFORMANCE: All total return calculations do not include the
maximum initial 5.75% sales charge. Investors in qualifying 401(k) plans
purchase shares and reinvest dividends and capital gains distributions at net
asset value, whereas investors outside the qualified plan must generally pay
sales charges as discussed in the fund's prospectus. Some plan-specific fees and
charges may apply. For the period ending 12/31/97, the annualized returns for
the fund after sales charges were as follows: One year, .54%; 5 years, 12.60%;
and 10 years, 12.71%. A 12b-1 plan was implemented May 1, 1994 which will affect
performance.

TRADEMARKS

- - S&P(R) S&P 500(R) and S&P MidCap 400(R) are trademarks of The McGraw-Hill
Companies, Inc. and have been licensed for use by MasterWorks Funds Inc. and BZW
Barclays Global Investors. The funds are not sponsored, endorsed, sold or
promoted by S&P, and S&P makes no representation or warranty, express or implied
regarding the advisability of investing in the funds.


                                      -23-

<PAGE>   1
                                                                       EXHIBIT 3

                         HARSCO CORPORATION SAVINGS PLAN

                                  APPENDIX "B"
                           COLLECTIVE BARGAINING UNITS

Collective Bargaining Units                                     Date of Coverage

International Brotherhood of                                      April 1, 1990
       Boilermakers, Iron Shipbuilders,
       Blacksmiths, Forgers & Helpers,
       Local Lodge No. 398 (P-K)

United Automobile, Aerospace and                                 January 1, 1992
Agricultural Implement Workers of America
       Local Union No. 2310 (T-W)

United Automobile Workers of America                               July 1, 1994
       Local Union No. 1016 (FRM)

International Brotherhood of                                       July 1, 1995
       Boilermakers, Iron Shipbuilders,
       Blacksmiths, Forgers and Helpers
       AFL-CIO-CFL Local Lodge D546 (IKG)

Independent Workers of North America                             October 1, 1993
       Local No. 50542 (IKG)

International Association of Bridge,                             October 1, 1995
       Structural and ornamental Iron Workers
       Shopmen's Local No. 527 (IKG)

United Steelworkers of America                                     July 1, 1995
       Local Union No. 2176
       Plant 1, Gadsden, AL (HKT)

United Steelworkers of America                                     July 1, 1996
       Local Union No. 6641
       Plant 4 & 6, Warren, OH (HKT)

United Steelworkers of America                                     July 1, 1996
       Local Union No. 2956
       Plant 20, Ashland, KY (HKT)
       Plant 39, Coalton, KY (HKT)

United Steelworkers of America
       Local Union No. 8628
       Plant 21, Brackenridge, PA (HKT)                            July 1, 1996
       Plant 96, Slippery Rock, PA (HKT)                           July 1, 1987

United Steelworkers of America                                     July 1, 1996
       Local Union No. 7372-01
       Plant 23, Owensboro, KY (HKT)


                                      -24-
<PAGE>   2
                                                                       EXHIBIT 3

                         HARSCO CORPORATION SAVINGS PLAN

                                  APPENDIX "B"
                           COLLECTIVE BARGAINING UNITS

United Steelworkers of America                                     July 1, 1996
       Local Union No. 4775
       Plant 27, Riverdale, IL (HKT)

United Steelworkers of America                                     July 1, 1996
       Local Union No. 9048
       Plant 36, Mansfield, OH (HKT)

United Steelworkers of America                                     July 1, 1996
       Local Union No. 9305
       Plant 53, Koppel, PA (HKT)

International Union of Operating Engineers                         July 1, 1985
       Local Union No. 66
       Plant 16, Lyndora, PA (HKT)

International Union of Operating Engineers                         July 1, 1990
       Local Union No. 101
       Plant 19, Kansas City, MO (HKT)


                                      -25-


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