ARMCO INC
10-K/A, 1994-06-30
STEEL WORKS, BLAST FURNACES & ROLLING MILLS (COKE OVENS)
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<PAGE>

This document is a copy of the Form 10-K/A Amendment No. 1 for the Form 11-K for
the Armco, Inc. Thrift Plan for Hourly Employees, Armco, Inc. Retirement and
Savings Plan and Empire - Detroit Steel Division 401(k) Plan for Hourly
Employees filed June 30, 1994 pursuant to a Rule 201 Temporary Hardship 
Exemption.



                                 UNITED STATES
                      SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C. 20549

                                  FORM 10-K/A
                                AMENDMENT NO. 1
(Mark One)
[X]  ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE
     SECURITIES EXCHANGE ACT OF 1934 [FEE REQUIRED]
     FOR THE FISCAL YEAR ENDED DECEMBER 31, 1993
                               -----------------

[ ]  TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE
     SECURITIES EXCHANGE ACT OF 1934 [NO FEE REQUIRED]
     FOR THE TRANSITION PERIOD FROM                           TO

                        Commission file number 1-873-2
                                               -------

                                  ARMCO INC.
                                  ----------
            (Exact name of registrant as specified in its charter)

                        Ohio                            31-0200500
         -----------------------------------  ---------------------------------
         (State or other jurisdiction of    (I.R.S. Employer Identification No.)
         incorporation or organization)

One Oxford Centre, 301 Grant Street, Pittsburgh, Pennsylvania        15219-1415
- --------------------------------------------------------------       ----------
         (Address of principal executive offices)                    (Zip Code)

Registrant's telephone number, including area code: 412/255-9800

Securities registered pursuant to Section 12(b) of the Act:

                                                 Name of Each Exchange
                Title of Each Class              on Which Registered
                -------------------              -------------------

  Class A Preferred Stock, without par value     New York Stock Exchange
  Class B Preferred Stock, $1 par value each     New York Stock Exchange
  Common Stock, $.01 par value each              New York Stock Exchange
  Rights to Purchase Participating
   Preferred Stock of Class A Preferred Stock    New York Stock Exchange
  Sinking Fund Debentures:                       New York Stock Exchange
        8.70%, due 1995
        9.20%, due 2000
        8.50%, due 2001
  11.375% Notes, due 1999                        New York Stock Exchange

Securities registered pursuant to Section 12(g) of the Act: None

     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 period 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
                                               -----     -----           

     Indicate by check mark if disclosure of delinquent filers pursuant to Item
405 of Regulation S-K ((S)229.405 of this chapter) is not contained herein, and
will not be contained, to the best of registrant's knowledge, in definitive
proxy or information statements incorporated by reference in Part III of this
Form 10-K or any amendment to this Form 10-K. [ ]

     The aggregate market value of voting stock held by nonaffiliates of Armco
Inc. (assuming solely for purposes of this Form, that all members of
registrant's Board of Directors are "affiliates") was approximately $778,557,626
as of February 28, 1994.

     As of the close of business on February 28, 1994, there were 104,103,174
shares of Common Stock outstanding.

Documents incorporated by reference herein include:
      Annual Report to Shareholders for the year ended December 31, 1993 --
Parts I, II, and IV of this report.

      Proxy Statement for the 1994 Annual Meeting of Shareholders filed with
the Commission under Rule  14a-6 of the Securities Exchange Act of 1934 in
connection with the Company's 1994 Annual Meeting of Shareholders -- Part III of
this report.
<PAGE>
 
ITEM 14.  EXHIBITS, FINANCIAL STATEMENT SCHEDULES, AND REPORTS ON FORM 8-K

I. DOCUMENTS FILED AS A PART OF THIS REPORT

  A.  FINANCIAL STATEMENTS                                               PAGE
                                                                         ----
  1.       Statement of Consolidated Operations for the
           Years Ended December 31,1993, 1992 and 1991                      *
                                                                             
  2.       Statement of Consolidated Financial Position as   
           of December 31, 1993 and 1992                                    *
                                                            
  3.       Statement of Consolidated Cash Flows for the        
           Years ended December 31, 1993, 1992 and 1991                     *  
           
  4.       Statement of Consolidated Shareholders' Equity    
           (Deficit) for the  Years Ended December 31, 1991, 
           1992 and 1993                                                    *  
                                                            
  5.       Notes to Financial Statements                                    *
                                                        
  6.       Independent Auditors' Report                                     *
                                     
  7.       Independent Auditors' Report                                 31 (1)
                                                               
  8.       Financial Statement Schedules for the Years               32-35 (1)
           Ended December 31, 1993, 1992 and 1991                        
           
              I -- Marketable Securities - Other Security      
                   Investments                             
              V -- Property, Plant and Equipment
             VI -- Accumulated Depreciation, Depletion and 
                   Amortization of Property, Plant and Equipment     
           VIII -- Valuation and Qualifying Accounts and Reserves 
                                                                       
  9.       Responsibility for Financial Reporting                           *
                                                        
 10.       Armco Steel Company, L. P. Consolidated Financial         36-59 (1)
           Statements and Financial Statement Schedules      
           as of December 31, 1991, 1992 and 1993 and for     
           the four years in the period ended December 31, 1993     
                                                                 
 11.       Armco Financial Services Group - companies to be          60-87 (1)
           sold Consolidated Financial Statements and Financial    
           Statement Schedules as of December 31, 1993 and
           1992 and for the years ended December 31, 1993, 1992
           and 1991                      
                                                                   
 12.       Annual Report on Form 11-K for the year ended                 6 (2)
           December 31, 1993 for the Armco Inc. Thrift Plan 
           for Hourly Employees             
            
 13.       Annual Report on Form 11-K for the year ended                22 (2)
           December 31, 1993 for the Armco Inc. Retirement       
           and Savings Plan 
                                     
 14.       Annual Report on Form 11-K for the year ended                39 (2)
           December 31, 1993 for the Empire-Detroit Steel      
           Division  01(K) Plan for Hourly Employees
  
<PAGE>
 
________________

*Incorporated in this annual report on Form 10-K by reference to pages 32-56 of
the Annual Report to Shareholders for the year ended December 31, 1993.

(1)  Included at this page in Registrant's Annual Report on Form 10-K for the
     year ended Decemabe4r 31, 1993, of which this is an amendment.

(2)  Page number in this Form 10K/A.


         FINANCIAL STATEMENTS AND FINANCIAL STATEMENT SCHEDULES OMITTED

  The financial statements and financial statement schedules for Armco Inc. and
Consolidated Subsidiaries, and for Armco Financial Services Group and Armco
Steel Company, L.P., other than those listed above, are omitted because of the
absence of conditions under which they are required, or because the information
is set forth in the notes to financial statements.

                                                             PAGE IN THIS FORM
     B.     EXHIBITS                                         10-K/A

     The following is an index of the exhibits included             --
     in the Form 10-K Annual Report.

     3(a).  Articles of Incorporation of Armco Inc.,
            as amended as of May 12, 1993 (1)                       --

     3(b).  Regulations of Armco Inc. (2)

     4.     Armco hereby agrees to furnish to the
            Securities and Exchange Commission, upon
            its request, a copy of each instrument defining
            the rights of holders of long-term debt of
            Armco and its subsidiaries omitted pursuant
            to Item 601(b)(4)(iii) of Regulation S-K.               --
 
    10(a).  Incentive Compensation Plan (3)*                        --
 
    10(b).  Deferred Compensation Plan for Directors (4)*           --
 
    10(c).  1983 Stock Option Plan (5)*                             --
 
    10(d).  Long-Term Incentive Compensation Plan (6)*              --

    10(e).  1993 Long-Term Incentive Plan of Armco Inc.*(7)         --
 
    10(f).  Severance Agreements (8)*                               --
 
    10(g).  1988 Stock Option Plan (9)*                             --
 
    10(h).  1988 Restricted Stock Plan (9)*                         --
 
    10(i).  Executive Supplemental Deferred Compensation 
            Plan Trust (10)*                                        --
 
    10(j).  Executive Supplemental Deferred Compensation 
            Plan (11)*                                              --

    10(k).  Rights Agreement dated as of June 27, 1986 between
            Armco Inc. and Harris Trust and Savings Bank, as
            amended as of June 24, 1988 (13)                        --
<PAGE>
 
   10(l).      Joint Venture Formation Agreement dated March 24, 
               1989 (14)                                                    --
 
   10(m).      Incentive Compensation Plan for Key Management (12)*         --
 
   10(n).      Pension Plan for Outside Directors (12)*                     --
 
   10(o).      Key Management Severance Policy (15)*                        --

   10(p).      Armco Inc. 1991 Long-Term Incentive Plan
               (Armco Inc. Long-Term Incentive Plan
               Performance Share Plan) (16)*                                --

   10(q).      Profit Sharing Plan for Armco Advanced
               Materials Company (17)*                                      --
 
   10(r).      Minimum Pension Plan (18)*                                   --
 
   10(s).      Stainless Steel Toll Rolling Services Agreement              --

   10(t).      Armco Inc. Noncontributory Pension Plan As Amended
               and Restated (Effective As Of January 1, 1989) (19)*         --
 
   10(u).      Armco Inc. Retirement and Savings Plan (19)*                 --
 
   11.         Computation of Income (Loss) Per Share (19)                  --

   13.         Annual Report to Shareholders for the year ended
               December 31, 1993.  (Filed for information only,
               except for those portions that are specifically
               incorporated in this Form 10-K Annual Report
               for the year ended December 31, 1993.) (19)                  --
 
   21.         List of subsidiaries of Armco Inc. (19)                      --
 
   23.         Independent Auditors' Consent (19)                           --

   23(a).      Independent Auditors' Consent                                21

   23(b).      Independent Auditors' Consent                                38

   23(c).      Independent Auditors' Consent                                50
 
   28.         Schedule P - Analysis of Losses and Loss Expenses (19)       --
 
   99.         Description of Armco Capital Stock (19)                      --

     The annual reports (Form 11-K) for the year ended December 31, 1993 for the
Armco Inc. Retirement and Savings Plan and the Armco Inc. Thrift Plan for Hourly
Employees will be filed by amendment as exhibits hereto, as permitted under Rule
15d-21.

     * Management contract or compensatory plan or arrangement required to be
       filed as an exhibit to the Form 10-K pursuant to Item 14(c) of Form 10-K.


- -------------------------
<PAGE>
 
(1) Incorporated by reference from Exhibit 4.2 to Armco's Quarterly Report on
    Form 10-Q for the quarter ended March 31, 1993.

(2) Incorporated by reference from Exhibit 3(b) to Armco's Quarterly Report on
    Form 10-Q for the quarter ended June 30, 1987.

(3) Incorporated by reference from Exhibits 10(a) to Armco's Annual Report on
    Form 10-K for the year ended December 31, 1980.

(4) Incorporated by reference from Exhibit 10(f) to Armco's Annual Report on
    Form 10-K for the year ended December 31, 1981.

(5) Incorporated by reference from Exhibit 19 to Armco's Quarterly Report on
    Form 10-Q for the quarter ended March 31, 1983.

(6) Incorporated by reference from Exhibit 10(g) to Armco's Annual Report on
    Form 10-K for the year ended December 31, 1983.

(7) Incorporated by reference from Exhibit 10 to Armco's Quarterly Report on
    Form 10-Q for the quarter ended March 31, 1993.

(8) Incorporated by reference from Exhibit 10(a) to Armco's Quarterly Report on
    Form 10-Q for the quarter ended June 30, 1988.

(9) Incorporated by reference from Exhibits 10(h) and 10(i) to Armco's Annual
    Report on Form 10-K for the year ended December 31, 1988.

(10) Incorporated by reference from Exhibit 10(b) to Armco's Quarterly Report on
     Form 10-Q for the quarter ended June 30, 1988.

(11) Incorporated by reference from Exhibit 10(c) to Armco's Quarterly Report on
     Form 10-Q for the quarter ended June 30, 1988.

(12) Incorporated by reference from Exhibit 10(o) and Exhibit 10(p) to Armco's
     Annual Report on Form 10-K for the year ended December 31, 1989.

(13) Incorporated by reference from Exhibit 1 to Armco's Form 8-A dated July 7,
     1986 and Exhibit 1.1 to Armco's Form 8 dated July 11, 1988.

(14) Incorporated by reference from Exhibit 10 to Armco's Form 8-K dated March
     27, 1989.
 
(15) Incorporated by reference from Exhibit 10(p) to Armco's Annual Report on
     Form 10-K for the year ended December 31, 1990.

(16) Incorporated by reference from Exhibit 10(p) to Armco's Annual Report on
     Form 10-K for the year ended December 31, 1991.

(17) Incorporated by reference from Exhibit 10(q) to Armco's Annual Report on
     Form 10-K for the year ended December 31, 1991.

(18) Incorporated by reference from Exhibit 10(r) to Armco's Annual Report on
     Form 10-K for the year ended December 31, 1991.

(19) Included in Registrant's Annual Report on Form 10-K for the year ended
     December 31, 1993, of which this is an amendment.
<PAGE>
 
                                   FORM 11-K


            FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS
              AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE
                        SECURITIES EXCHANGE ACT OF 1934


                ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE
                        SECURITIES EXCHANGE ACT OF 1934


                  For the fiscal year ended December 31, 1993


                                  ARMCO INC.
                       THRIFT PLAN FOR HOURLY EMPLOYEES
                       --------------------------------
                           (Full title of the Plan)


                                  ARMCO INC.
                                  ----------

                       (Name of Issuer of the securities
                          held pursuant to the Plan)


   One Oxford Centre, 301 Grant Street, Pittsburgh, Pennsylvania 15219-1415
   ------------------------------------------------------------------------
                   (Address of principal executive offices)

<PAGE>
 
                  ARMCO INC. THRIFT PLAN FOR HOURLY EMPLOYEES
                  -------------------------------------------

                               TABLE OF CONTENTS
<TABLE>
<CAPTION>
 
 
                                                                  Page
                                                                  -----
<S>                                                               <C>
 
INDEPENDENT AUDITORS' REPORT                                          3
 
FINANCIAL STATEMENTS:
 
 Statements of Net Assets Available for Benefits,
   December 31, 1993 and 1992                                       4-5
 
 Statements of Changes in Net Assets Available for Benefits,
   for the Years Ended December 31, 1993 and 1992                   6-7
 
 Notes to Financial Statements                                     8-11
 
SUPPLEMENTAL SCHEDULES:
 
 Item 27a - Schedule of Assets Held for Investment Purposes          12
 
 Item 27d - Schedule of Reportable Transactions                   13-14
 
</TABLE>
(Supplemental schedules other than those listed
above are not presented because of the absence of
the conditions under which they are required.)

                                      -2-
<PAGE>
 
INDEPENDENT AUDITORS' REPORT
- ----------------------------



To the Armco Inc.
   Thrift Plan for Hourly Employees:


We have audited the accompanying financial statements of the Armco Inc. Thrift
Plan for Hourly Employees as of December 31, 1993 and 1992 and for the years
then ended, listed in the foregoing table of contents.  These financial
statements are the responsibility of the Plan's management.  Our responsibility
is to express an opinion on these financial statements based on our audits.

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

In our opinion, such financial statements present fairly, in all material
respects, the net assets available for benefits of the Plan as of December 31,
1993 and 1992, and the changes in its net assets available for benefits for the
years then ended in conformity with generally accepted accounting principles.

Our audits were conducted for the purpose of forming an opinion on the basic
financial statements taken as a whole.  The supplemental schedules listed in the
foregoing table of contents 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 supplemental information by fund is presented for the
purpose of additional analysis of the basic financial statements rather than to
present information regarding the net assets available for benefits and changes
in net assets available for benefits of the individual funds, and is not a
required part of the basic financial statements.  The supplemental schedules
listed in the foregoing table of contents and supplemental information by fund
are the responsibility of the Plan's management.  Such supplemental schedules
and supplemental information by fund have been subjected to the auditing
procedures applied in our audits of the basic financial statements and, in our
opinion, are fairly stated in all material respects when considered in relation
to the basic financial statements taken as a whole.


/s/ DELOITTE & TOUCHE

Pittsburgh, Pennsylvania
June 25, 1994

                                      -3-
<PAGE>
 
                  ARMCO INC. THRIFT PLAN FOR HOURLY EMPLOYEES
                  -------------------------------------------

                STATEMENTS OF NET ASSETS AVAILABLE FOR BENEFITS
                               DECEMBER 31, 1993


<TABLE> 
<CAPTION> 
                                                                Supplemental Information By Fund
                                  -----------------------------------------------------------------------------------------------
                                                                                                  Inter-
                                  Corporation      Fixed        Equity       New       Equity    national
                                     Stock        Income        Income     Horizons    Index      Stock       Loan
ASSETS                               Fund          Fund          Fund        Fund       Fund       Fund       Fund        Total
- -------------------------------   -----------   -----------   ----------   --------   --------   --------   --------   -----------
<S>                               <C>           <C>           <C>          <C>        <C>        <C>        <C>        <C>
 
Investments - at fair value:
 Common Stock of Armco Inc.        $6,252,510                                                                          $ 6,252,510
 Fixed Income Fund                              $14,174,153                                                             14,174,153
 Equity Income Fund                                           $1,087,198                                                 1,087,198
 New Horizons Fund                                                         $578,199                                        578,199
 Equity Index Fund                                                                    $543,501                             543,501
 International Stock Fund                                                                        $192,834                  192,834
 Loans to participants                                                                                      $311,875       311,875
                                   ----------   -----------   -----------  --------   --------   --------   --------   ----------- 
TOTAL ASSETS AND
 NET ASSETS AVAILABLE
  FOR BENEFITS                     $6,252,510   $14,174,153   $1,087,198   $578,199   $543,501   $192,834   $311,875   $23,140,270
                                   ==========   ===========   ==========   ========   ========   ========   ========   ===========
</TABLE> 

See notes to financial statements.

                                      -4-
<PAGE>
 
                  ARMCO INC. THRIFT PLAN FOR HOURLY EMPLOYEES
                  -------------------------------------------

                STATEMENTS OF NET ASSETS AVAILABLE FOR BENEFITS
                               DECEMBER 31, 1992


<TABLE> 
<CAPTION>  
                                                                    Supplemental Information By Fund
                                ----------------------------------------------------------------------------------------------------
                                                                                                       Inter-
                                Corporation      Fixed       Equity     Growth      New      Equity   national
                                   Stock        Income       Income     Stock     Horizons   Index     Stock      Loan
ASSETS                             Fund          Fund         Fund       Fund       Fund      Fund      Fund      Fund     Total
- -----------------------------   -----------   -----------   --------   --------   --------   ------   --------  -------  -----------
<S>                             <C>           <C>           <C>        <C>        <C>        <C>      <C>       <C>      <C>
 
Receivables:
 Employer contributions          $   47,424                                                                              $    47,424
 Participant contributions            6,933   $    67,942   $  5,299   $  4,891   $  2,520   $   33    $   360                87,978
                                 ----------   -----------   --------   --------   --------   ------   -------- --------- -----------
 
         Total receivables           54,357        67,942      5,299      4,891      2,520       33        360               135,402
                                 ----------   -----------   --------   --------   --------   ------   -------- --------- -----------

Investments - at fair value:
 Common Stock of Armco Inc.       6,674,034                                                                                6,674,034
 Fixed Income Fund                             12,567,936                                                                 12,567,936
 Equity Income Fund                                          739,487                                                         739,487
 Growth Stock Fund                                                      496,833                                              496,833
 New Horizons Fund                                                                 337,391                                   337,391
 Equity Index Fund                                                                            8,177                            8,177
 International Stock Fund                                                                               13,950                13,950
 Loans to participants                                                                                          $231,389     231,389
                                 ----------   -----------   --------   --------   --------   ------   --------  -------- -----------
 
          Total investments       6,674,034    12,567,936    739,487    496,833    337,391    8,177     13,950   231,389 $21,069,197
                                 ----------   -----------   --------   --------   --------   ------   --------  -------- -----------
 
TOTAL ASSETS AND NET
   ASSETS AVAILABLE
   FOR BENEFITS                  $6,728,391   $12,635,878   $744,786   $501,724   $339,911   $8,210    $14,310  $231,389 $21,204,599
                                 ==========   ===========   ========   ========   ========   ======   ========  ======== ===========
</TABLE>

See notes to financial statements.

                                      -5-
<PAGE>
 
                  ARMCO INC. THRIFT PLAN FOR HOURLY EMPLOYEES
                  -------------------------------------------

           STATEMENTS OF CHANGES IN NET ASSETS AVAILABLE FOR BENEFITS
                          YEAR ENDED DECEMBER 31, 1993

<TABLE> 
<CAPTION> 
                                                        Supplemental Information By Fund
                                 -----------------------------------------------------------------------------
                                 Corporation      Fixed         Equity        Growth        New       Equity   
                                   Stock          Income        Income        Stock       Horizons    Index    
                                    Fund           Fund          Fund          Fund        Fund        Fund    
                                ------------   ------------   -----------   ----------   ---------   ---------  
<S>                             <C>            <C>            <C>           <C>          <C>        <C>        
                                                                                                               
Interest and dividends                         $ 1,017,511    $   73,532    $  29,414    $ 79,412   $    334   
                                                                                                               
Net appreciation                                                                                               
 (depreciation) in fair                                                                                        
   value of investments          $ (636,700)                      51,203       49,758       6,807        465   
                                                                                                               
                                                                                                               
Contributions by participants       120,496      1,259,119       116,058       96,565      58,214      3,171
                                                                                                               
Contributions by Armco Inc.         887,455          2,876           179          169         116   
                                                                                                               
Distributions to withdrawing                                                                                   
   participants                    (291,470)      (928,134)      (48,403)     (47,247)    (15,640)    (6,156)
                                                                                                               
Transfers among funds              (555,662)       186,903       149,843     (630,383)    109,379    537,477
                                 ----------    -----------    ----------    ---------    --------   --------   
                                                                                                               
NET INCREASE (DECREASE)                                                                                        
   IN NET ASSETS AVAILABLE                                                                                     
   FOR BENEFITS                    (475,881)     1,538,275       342,412     (501,724)    238,288    535,291   
                                                                                                               
NET ASSETS AVAILABLE FOR                                                                                       
   BENEFITS, BEGINNING                                                                                         
   OF YEAR                        6,728,391     12,635,878       744,786      501,724     339,911      8,210   
                                 ----------    -----------    ----------    ---------    --------   --------   
                                                                                                               
NET ASSETS AVAILABLE FOR                                                                                       
    BENEFITS, END OF YEAR        $6,252,510    $14,174,153    $1,087,198    $      --    $578,199   $543,501   
                                 ==========    ===========    ==========    =========    ========   ========   
<CAPTION> 
                                     Supplemental Information By Fund
                                 ----------------------------------------
                                International    
                                   Stock          Loan
                                    Fund          Fund           Total
                                -------------  -----------    -----------
<S>                             <C>            <C>             <C>        
Interest and dividends           $   4,131        $ 24,547     $1,228,881
                                                                          
Net appreciation                                                          
 (depreciation) in fair                                                   
   value of investments             16,387                       (512,080)
                                                                          
                                                                          
Contributions by participants       15,093                      1,668,716
                                                                          
Contributions by Armco Inc.                                       890,795
                                                                          
Distributions to withdrawing                                              
   participants                     (3,591)                    (1,340,641)
                                                                          
Transfers among funds              146,504          55,939
                                 ----------    -----------     ----------    
                                                                          
NET INCREASE (DECREASE)                                                   
   IN NET ASSETS AVAILABLE                                                
   FOR BENEFITS                    178,524          80,486      1,935,671
                                                                          
NET ASSETS AVAILABLE FOR                                                  
   BENEFITS, BEGINNING                                                    
   OF YEAR                          14,310         231,389     21,204,599
                                ----------     -----------     ----------  

NET ASSETS AVAILABLE FOR                                                    
    BENEFITS, END OF YEAR         $192,834        $311,875    $23,140,270
                                ==========     ===========    =========== 
</TABLE>

See notes to financial statements.

                                      -6-
<PAGE>
 
                  ARMCO INC. THRIFT PLAN FOR HOURLY EMPLOYEES
                  -------------------------------------------

           STATEMENTS OF CHANGES IN NET ASSETS AVAILABLE FOR BENEFITS
                          YEAR ENDED DECEMBER 31, 1992


<TABLE> 
<CAPTION>  
                                                      Supplemental Information By Fund
                                ------------------------------------------------------------------------
                                Corporation       Fixed        Equity      Growth        New      Equity 
                                   Stock          Income       Income       Stock     Horizons    Index  
                                    Fund           Fund         Fund        Fund        Fund       Fund  
                                ------------   ------------   ---------   ---------   ---------   ------ 
<S>                             <C>            <C>            <C>         <C>         <C>         <C>    
                                                                                                         
Interest and dividends                         $   988,572    $ 45,032    $ 30,261    $ 34,276    $  173 
                                                                                                         
Net appreciation                                                                                         
 (depreciation) in fair                                                                                  
   value of investments          $1,299,300                     42,045      (3,339)     (2,526)      350 
                                                                                                         
Contributions by participants       137,440      1,284,878      92,087      87,258      52,433       200 
                                                                                                         
Contributions by Armco Inc.         841,916          5,664         378          77         203           
                                                                                                         
Distributions to withdrawing                                                                             
   participants                    (245,811)      (755,776)    (14,083)    (26,193)    (26,635)          
                                                                                                         
Transfers among funds              (183,714)       167,943      11,237      29,926     (65,079)    2,000 
                                 ----------    -----------    --------    --------    --------    ------ 
                                                                                                         
NET INCREASE (DECREASE) IN                                                                               
   NET ASSETS AVAILABLE                                                                                  
   FOR BENEFITS                   1,849,131      1,691,281     176,696     117,990      (7,328)    2,723 
                                                                                                         
NET ASSETS AVAILABLE FOR                                                                                 
   BENEFITS, BEGINNING                                                                                   
   OF YEAR                        4,879,260     10,944,597     568,090     383,734     347,239     5,487 
                                 ----------    -----------    --------    --------    --------    ------ 
                                                                                                         
NET ASSETS AVAILABLE FOR                                                                                 
    BENEFITS, END OF YEAR        $6,728,391    $12,635,878    $744,786    $501,724    $339,911    $8,210 
                                 ==========    ===========    ========    ========    ========    ====== 
<CAPTION>                                                                                                          

                                   Supplemental Information By Fund
                              -----------------------------------------
                               International
                                   Stock           Loan
                                   Fund            Fund        Total                      
                              --------------    ----------   ----------
<S>                           <C>               <C>          <C> 
                             
Interest and dividends         $   485           $ 18,793    $1,117,592
                             
Net appreciation             
 (depreciation) in fair      
   value of investments           (888)                       1,334,942
                             
Contributions by participants    3,591                        1,657,887
                             
Contributions by Armco Inc.                                     848,238
                             
Distributions to withdrawing 
   participants                                              (1,068,498)
                             
Transfers among funds             (672)           38,359
                                -------         ---------   -----------
                             
NET INCREASE (DECREASE) IN   
   NET ASSETS AVAILABLE      
   FOR BENEFITS                  2,516            57,152      3,890,161                   
                             
NET ASSETS AVAILABLE FOR     
   BENEFITS, BEGINNING       
   OF YEAR                      11,794           174,237     17,314,438                   
                                -------         ---------   -----------
                             
NET ASSETS AVAILABLE FOR     
    BENEFITS, END OF YEAR      $14,310          $231,389    $21,204,599                   
                               =======          ========    ===========
</TABLE>

See notes to financial statements.

                                      -7-
<PAGE>
 
ARMCO INC. THRIFT PLAN FOR HOURLY EMPLOYEES
- -------------------------------------------

NOTES TO FINANCIAL STATEMENTS
YEARS ENDED DECEMBER 31, 1993 AND 1992
- --------------------------------------


1.  GENERAL

     The Armco Inc. Thrift Plan for Hourly Employees (the "Plan") is a defined
     contribution plan covering all hourly employees who are employed at a unit
     or subsidiary designated by the Benefit Plans Administrative Committee
     ("BPAC") as being eligible to participate.  The primary purpose is to
     encourage employee savings while providing an opportunity to invest in the
     common stock of Armco Inc. ("Armco").  Participants may elect to invest
     into the Plan through payroll deductions of up to 20% of eligible wages.
     In addition, for every dollar contributed by a participant, up to 5% of
     eligible wages depending on service attained as of the first of each
     quarter, Armco will match such contributions 100%, and for employees who
     are not eligible for current benefit accruals under any tax-qualified
     defined benefit pension plan sponsored by Armco, an additional 2% will be
     contributed to the participant's account.  All contributions, including any
     net accumulated earnings thereon, are 100% vested at all times.  The Plan
     allows participants to borrow funds from their accounts.

     T. Rowe Price Trust Company ("TRP") serves as the trustee of the Plan.  TRP
     also serves as an investment manager and recordkeeper for all participant
     accounts.

     Provisions of the Plan regarding participation, vesting, contributions,
     withdrawals, loans and other matters are more fully described in the
     Summary Plan Description.

2.   SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

     The following are the significant accounting policies followed by the Plan:

     a.   General - The accounting records of the Plan are maintained on the
          -------                                                           
          accrual basis of accounting.

     b.   Valuation of Investments - Quoted market prices are used to value
          ------------------------                                         
          investments, except for various group annuity contracts comprising the
          Fixed Income Fund which are valued at contract value.

     c.   Reclassification - Certain amounts in the 1992 financial statements
          ----------------                                                   
          have been reclassified to be consistent with the 1993 presentation.

3.   INVESTMENT PROGRAMS

     Upon enrollment or re-enrollment, the following investment options are
     available for participant contributions in increments of 10%:

     a.   Corporation Stock Fund - Investment in the common stock of Armco.
          ----------------------                                           

     b.   Fixed Income Fund - Investment contracts with insurance companies or
          -----------------                                                   
          banks and money market funds.

     c.   Equity Income Fund - TRP mutual fund investing in a diversified
          ------------------                                             
          portfolio of stocks and bonds.

     d.   Growth Stock Fund - TRP mutual fund investing in common stocks of
          -----------------                                                
          well-established growth companies.

     e.   New Horizons Fund - TRP mutual fund investing in common stocks of
          -----------------                                                
          small, emerging companies.

                                      -8-
<PAGE>
 
     f.   Equity Index Fund - TRP mutual fund investing in common stocks
          -----------------
          represented in the Standard & Poor's 500 Composite Stock Price Index.

     g.   International Stock Fund - TRP mutual fund investing primarily in
          ------------------------                                         
          common stocks of established non-United States companies.

     The Loan Fund was established by TRP to account for loans to participants.

     Participants may, once during each calendar quarter, change the investment
     options to which future contributions are to be allocated.  In addition,
     participants may, once during each calendar quarter, direct that all or a
     specified portion of their account, including any earnings thereon, held in
     any one or more investment funds be transferred from such investment fund
     or funds to any other investment fund or funds.

     Matching contributions of Armco are initially invested in common stock of
     Armco.  Such contributions may be transferred subsequently at the
     participant's request.  For employees who are not eligible for current
     benefit accruals under any tax-qualified defined benefit pension plan
     sponsored by Armco, the additional 2% Armco contribution is allocated to
     participants' accounts based on the participants' current investment
     elections.

     During 1993, Armco approved that effective January 1, 1994, the T. Rowe
     Price Balanced Fund will be offered to participants as a substitute for the
     Growth Stock Fund.  Additionally, Armco approved the transfer of
     participant account balances in the Growth Stock Fund to the Equity Index
     Fund.  Such transfers occurred on December 31, 1993.

4.   CONTRIBUTIONS

     Following are the pretax contributions from earnings of participants
     (contributions made in accordance with Section 401(k) of the Internal
     Revenue Code) included in Contributions by Participants in the accompanying
     Statements of Changes in Net Assets Available for Benefits:

<TABLE>
<CAPTION>
 
                                 Year Ended December 31
                                 ----------------------
                                    1993        1992
                                 ---------    ---------
   <S>                           <C>          <C>
 
   Corporation Stock Fund         $ 69,171     $ 74,531
   Fixed Income Fund               790,646      784,057
   Equity Income Fund               89,110       68,670
   Growth Stock Fund                71,877       58,026
   New Horizons Fund                45,605       39,296
   Equity Index Fund                 1,773           56
   International Stock Fund         11,052        1,255
</TABLE>

5.   TAX STATUS

     The Plan obtained its latest determination letter in 1990, in which the
     Internal Revenue Service stated that the Plan, as then designed, was in
     compliance with the applicable requirements of the Internal Revenue Code.
     The Plan has been amended since receiving the determination letter.  Armco
     believes that the Plan is currently designed and being operated in
     compliance with the applicable requirements of the Internal Revenue Code.
     Therefore, no provision for income taxes has been included in the Plan's
     financial statements.

                                      -9-
<PAGE>
 
6.   INVESTMENTS IN THE FIXED INCOME FUND

     The Plan's Fixed Income Fund holds various investment contracts with the
     Travelers Life Insurance Company ("Travelers"), Massachusetts Mutual Life
     Insurance Company ("Massachusetts Mutual"), the Bankers Trust Company
     ("Bankers Trust"), Provident National ("Provident"), Aetna Capital
     Management ("Aetna"), Metropolitan Life Insurance Company ("Metropolitan
     Life"), John Hancock Mutual Life Insurance Company ("John Hancock") and
     Prudential Asset Management ("Prudential").  Such investment contracts are
     presented at contract value in the accompanying financial statements which
     represents the principal amount of the contract plus accumulated interest.
     The interest rates on such contracts may be reduced or other penalties
     applied if the Plan allows investment in a competing fixed income fund
     established with another financial institution or takes other actions which
     are specified in the underlying contracts.

     Interest earned by the Fixed Income Fund is a composite of the interest
     earned under the various group annuity contracts and money market funds, as
     follows:

<TABLE>
<CAPTION>
 
                                               Investment
Contribution Period               Carrier         Rate    Effective Through
- --------------------------   -----------------   ------   -----------------
<S>                          <C>                 <C>      <C>
 
   January 1, 1988
     December 31, 1988       Travelers           10.47%    January 1, 1993
 
   January 1, 1989           Massachusetts
     September 30, 1989      Mutual               9.25     March 31, 1994
 
   October 1, 1989
     September 30, 1990      Bankers Trust        9.00     March 31, 1995
 
   October 1, 1990
     September 30, 1991      Provident            9.32     March 31, 1996
 
   December 31, 1990         Aetna                9.39     March 31, 1996
 
   October 1, 1991
     September 30, 1992      Metropolitan Life    8.02     March 31, 1997
 
   December 31, 1991         John Hancock         8.12     March 31, 1997
 
   October 1, 1992           Prudential           5.95     March 31, 1999
     September 30, 1993
 
   October 1, 1993
     March 31, 1994          TRP                  2.66     March 31, 1994
</TABLE>

                                      -10-
<PAGE>
 
     The Fixed Income Fund's investments as of December 31, 1993 and 1992 are as
follows:

<TABLE>
<CAPTION>
 
                    Description of Investment                          1993           1992
                    -------------------------                       -----------   ------------
<S>                                                                 <C>           <C>
 
   TRP Prime Reserve Fund, money market fund, 2.66%                 $ 1,476,188
   Massachusetts Mutual, Guaranteed Investment Contract, 9.25%          817,825    $ 1,443,741
   Bankers Trust, Guaranteed Investment Contract, 9.00%               3,420,493      3,138,070
   Provident, Guaranteed Investment Contract, 9.32%                   1,479,170      1,353,064
   Aetna, Guaranteed Investment Contract, 9.39%                       1,371,540      1,253,808
   Metropolitan Life, Guaranteed Investment Contract, 8.02%           1,464,844      1,356,081
   John Hancock, Guaranteed Investment Contract, 8.12%                1,169,828      1,081,972
   Prudential, Guaranteed Investment Contract, 5.95%                  2,974,265      2,941,200
                                                                    -----------    -----------
                                                                    $14,174,153    $12,567,936
                                                                    ===========    ===========
</TABLE>

7.   TRANSACTIONS WITH PARTIES IN INTEREST

     Armco provides to the Plan certain accounting and administrative services
     for which no fees are charged to the Plan.

8.   PLAN TERMINATION

     Although it has not expressed any intent to do so, Armco has the right,
     subject to the applicable collective bargaining agreements, to discontinue
     its contributions at any time and to terminate the Plan subject to the
     provisions of ERISA.  In the event of Plan termination, the interest of
     affected participants shall be distributed as provided by BPAC.


                                  * * * * * *

                                      -11-
<PAGE>
 
ARMCO INC. THRIFT PLAN FOR HOURLY EMPLOYEES
- -------------------------------------------

 

ITEM 27a - SCHEDULE OF ASSETS HELD FOR INVESTMENT PURPOSES
December 31, 1993
- -------------------------------------------------------------

<TABLE>
<CAPTION>
                                                                                           Current
Identity of Issue                  Description of Investment                  Cost          Value
- -----------------                  -------------------------               ----------     ----------
<S>                                <C>                                     <C>            <C> 
* Armco Inc.                       Common Stock, $.01 Par Value            $9,708,368     $6,252,510
 
* T. Rowe Price Trust
   Company                         Prime Reserve Fund                       1,476,188      1,476,188
 
John Hancock Mutual
   Life Insurance Company          Guaranteed Investment Contract, 8.12%    1,169,828      1,169,828
 
Massachusetts Mutual
   Life Insurance Company          Guaranteed Investment Contract, 9.25%      817,825        817,825
 
Bankers Trust Company              Guaranteed Investment Contract, 9.00%    3,420,493      3,420,493
 
Provident National                 Guaranteed Investment Contract, 9.32%    1,479,170      1,479,170
 
Aetna Capital
   Management                      Guaranteed Investment Contract, 9.39%    1,371,540      1,371,540
 
Metropolitan Life
   Insurance Company               Guaranteed Investment Contract, 8.02%    1,464,844      1,464,844
 
Prudential Asset
   Management                      Guaranteed Investment Contract, 5.95%    2,974,265      2,974,265
 
* T. Rowe Price Trust Company      Equity Income Fund                         952,820      1,087,198
 
* T. Rowe Price Trust Company      New Horizons Fund                          532,235        578,199
 
* T. Rowe Price Trust Company      Equity Index Fund                          543,166        543,501
 
* T. Rowe Price Trust Company      International Stock Fund                   177,962        192,834
 
* Participant Loans                Notes, 8.0% to 12.5%,
                                   due 12 to 180 months from date
                                   of loan                                    311,875        311,875
                                                                          -----------    -----------
 TOTAL                                                                    $26,400,579    $ 23,140,270
                                                                          ===========    ============

</TABLE> 

* Party-in-interest.

                                      -12-
<PAGE>
 
ARMCO INC. THRIFT PLAN FOR HOURLY EMPLOYEES
- -------------------------------------------

ITEM 27d - SCHEDULE OF REPORTABLE TRANSACTIONS
YEAR ENDED DECEMBER 31, 1993
- -----------------------------------------------


SERIES TRANSACTIONS, WHEN AGGREGATED, INVOLVING AN AMOUNT
IN EXCESS OF 5 PERCENT OF THE CURRENT VALUE OF PLAN ASSETS
- -----------------------------------------------------------

<TABLE>
<CAPTION>
                                                 Number     Number     Total        Total
                            Description            of         of      Amounts      Amounts      Net Gain
Identity of Issue          of Investment        Purchases   Sales    Purchased       Sold      or (Loss)
- --------------------   ----------------------   ---------   ------   ----------   ----------   ----------
<S>                    <C>                      <C>         <C>      <C>          <C>          <C>
 
Armco Inc.             Common Stock                   146      263   $1,007,951   $  291,470   $(426,925)
 
Prudential Asset       Guaranteed Investment
   Management          Contract, 5.95%                 66       40    1,350,405    1,451,802          --
 
T. Rowe Price          Price Reserve Fund              37       33    1,805,444      369,648          --
   Trust Company
</TABLE>

                                      -13-
<PAGE>
 
ARMCO INC. THRIFT PLAN FOR HOURLY EMPLOYEES
- -------------------------------------------

ITEM 27d - SCHEDULE OF REPORTABLE TRANSACTIONS
YEAR ENDED DECEMBER 31, 1993
- ----------------------------------------------


SINGLE TRANSACTIONS INVOLVING AN AMOUNT IN EXCESS
OF 5 PERCENT OF THE CURRENT VALUE OF PLAN ASSETS
- -------------------------------------------------

<TABLE> 
<CAPTION> 
                                                                              Current
                                                                  Cost         Value
                      Description         Purchase     Selling       of          of        Net Gain
Identity of Issue    of Investment         Price       Price     Investment  Investment   or (Loss)
- -----------------    -------------        -------      -------    ----------  ----------   ---------
<S>                  <C>                  <C>          <C>        <C>         <C>          <C> 
T. Rowe Price Trust 
 Company             Prime Reserve Fund   $1,243,487              $1,243,487  $1,243,487

</TABLE> 
                                      -14-
<PAGE>
 
                                  SIGNATURES


Pursuant to the requirements of the Securities Exchange Act of 1934, the Benefit
Plans Administrative Committee has duly caused this Annual Report on Form 11-K
to be signed by the undersigned thereunto duly authorized.


                                        ARMCO INC. THRIFT PLAN
                                        FOR HOURLY EMPLOYEES
                                        (The Plan)



                                        By:  /s/ James W. Edgerton
                                           ----------------------------------
                                           James W. Edgerton, Chairman
                                           Benefit Plan Administrative Committee


                                        By:  /s/ Barry M. Haller
                                           -------------------------------------
                                           Barry M. Haller, Member
                                           Benefit Plan Administrative Committee


                                        By:  /s/ Gregory R. Karavanich
                                           -------------------------------------
                                           Gregory R. Karavanich, Member
                                           Benefit Plan Administrative Committee


Dated:   June 29, 1994

                                      -15-
<PAGE>
 
                                                            Exhibit 24(a)



INDEPENDENT AUDITORS' CONSENT
- -----------------------------



We consent to the incorporation by reference in Registration Statement No.
33-54351 of Armco Inc. on Form S-8 of our report dated June 25, 1994,
appearing in this Annual Report on Form 11-K of the Armco Inc. Thrift Plan for
Hourly Employees for the year ended December 31, 1993.

/s/ DELOITTE & TOUCHE

DELOITTE & TOUCHE

Pittsburgh, Pennsylvania
June 29, 1994

                                      -16-
<PAGE>
 
                                   FORM 11-K


             FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS
               AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE
                        SECURITIES EXCHANGE ACT OF 1934


                 ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE
                        SECURITIES EXCHANGE ACT OF 1934


                  For the fiscal year ended December 31, 1993


                                   ARMCO INC.
                          RETIREMENT AND SAVINGS PLAN
                          ---------------------------
                            (Full title of the Plan)


                                   ARMCO INC.
                                   ----------
                       (Name of Issuer of the securities
                           held pursuant to the Plan)


    One Oxford Centre, 301 Grant Street, Pittsburgh, Pennsylvania 15219-1415
    ------------------------------------------------------------------------
                    (Address of principal executive offices)
<PAGE>
 
                    ARMCO INC. RETIREMENT AND SAVINGS PLAN
                    --------------------------------------

                               TABLE OF CONTENTS
<TABLE>
<CAPTION>
 
 
                                                                  Page
                                                                  -----
<S>                                                               <C>
 
INDEPENDENT AUDITORS' REPORT                                          3
 
FINANCIAL STATEMENTS:
 
 Statements of Net Assets Available for Benefits,
   December 31, 1993 and 1992                                       4-5
 
 Statements of Changes in Net Assets Available for Benefits,
   for the Years Ended December 31, 1993 and 1992                   6-7
 
 Notes to Financial Statements                                     8-12
 
SUPPLEMENTAL SCHEDULES:
 
 Item 27a - Schedule of Assets Held for Investment Purposes       13-14
 
 Item 27d - Schedule of Reportable Transactions                      15
 
</TABLE>
(Supplemental schedules other than those listed
above are not presented because of the absence of
the conditions under which they are required.)

                                      -2-
<PAGE>
 
INDEPENDENT AUDITORS' REPORT
- ----------------------------



To the Armco Inc.
   Retirement and Savings Plan:


We have audited the accompanying financial statements of the Armco Inc.
Retirement and Savings Plan as of December 31, 1993 and 1992 and for the years
then ended, listed in the foregoing table of contents.  These financial
statements are the responsibility of the Plan's management.  Our responsibility
is to express an opinion on these financial statements based on our audits.

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

In our opinion, such financial statements present fairly, in all material
respects, the net assets available for benefits of the Plan as of December 31,
1993 and 1992, and the changes in its net assets available for benefits for the
years then ended in conformity with generally accepted accounting principles.

Our audits were conducted for the purpose of forming an opinion on the basic
financial statements taken as a whole.  The supplemental schedules listed in the
foregoing table of contents 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 supplemental information by fund is presented for the
purpose of additional analysis of the basic financial statements rather than to
present information regarding the net assets available for benefits and changes
in net assets available for benefits of the individual funds, and is not a
required part of the basic financial statements.  The supplemental schedules
listed in the foregoing table of contents and supplemental information by fund
are the responsibility of the Plan's management.  Such supplemental schedules
and supplemental information by fund have been subjected to the auditing
procedures applied in our audits of the basic financial statements and, in our
opinion, are fairly stated in all material respects when considered in relation
to the basic financial statements taken as a whole.


/s/ DELOITTE & TOUCHE

DELOITTE & TOUCHE

Pittsburgh, Pennsylvania
June 25, 1994

                                      -3-
<PAGE>
 
                     ARMCO INC. RETIREMENT AND SAVINGS PLAN
                     --------------------------------------

                STATEMENTS OF NET ASSETS AVAILABLE FOR BENEFITS
                               DECEMBER 31, 1993
<TABLE>
<CAPTION>

                                                                   Supplemental Information By Fund
                               -----------------------------------------------------------------------------------------------------
                                                                                                 Inter-
                               Corporation     Fixed        Equity        New        Equity     national
                                  Stock        Income       Income      Horizons     Index       Stock        Loan
ASSETS                            Fund          Fund         Fund         Fund        Fund        Fund        Fund        Total
- -----------------------------  -----------  ------------  -----------  ----------  ----------  ----------  ----------  ------------
<S>                            <C>          <C>           <C>          <C>         <C>         <C>         <C>         <C>

Investments - at fair value:
  Common Stock of Armco Inc.   $15,586,629                                                                             $ 15,586,629
  Fixed Income Fund                         $112,669,426                                                                112,669,426
  Equity Income Fund                                      $32,139,796                                                    32,139,796
  New Horizons Fund                                                    $6,397,151                                         6,397,151
  Equity Index Fund                                                                $5,867,789                             5,867,789
  Internatonal Stock Fund                                                                      $4,767,290                 4,767,290
  Loans to participants                                                                                    $2,832,918     2,832,918
                               -----------  ------------  -----------  ----------  ----------  ----------  ----------  ------------
TOTAL ASSETS AND NET
ASSETS AVAILABLE FOR
BENEFITS                       $15,586,629  $112,669,426  $32,139,796  $6,397,151  $5,867,789  $4,767,290  $2,832,918  $180,260,999
                               ===========  ============  ===========  ==========  ==========  ==========  ==========  ============
</TABLE> 
See notes to financial statements.

                                      -4-
<PAGE>
 
                     ARMCO INC. RETIREMENT AND SAVINGS PLAN
                     --------------------------------------

                STATEMENTS OF NET ASSETS AVAILABLE FOR BENEFITS
                               DECEMBER 31, 1992
<TABLE>
<CAPTION>
                                         
                                                              Supplemental Information by Fund                        
                                          ------------------------------------------------------------------------    
                                          Corporation      Fixed       Equity       Growth       New       Equity     
                                             Stock        Income       Income       Stock      Horizons    Index      
ASSETS                                       Fund          Fund         Fund         Fund        Fund       Fund      
- ------                                    -----------  ------------  -----------  ----------  ----------  --------    
<S>                                       <C>          <C>           <C>          <C>         <C>         <C>         
Investments - at fair value:             
  Common Stock of Armco Inc.              $21,592,484                                                                 
  Fixed Income Fund                                    $123,604,003
  Equity Income Fund                                                 $30,333,540                                      
  Growth Stock Fund                                                               $4,189,531                          
  New Horizons Fund                                                                           $3,342,471              
  Equity Index Fund                                                                                       $432,778    
  International Stock Fund                                                                                                      
  Loans to participants                                                                                                    
                                          -----------  ------------  -----------  ----------  ----------  --------    
    Total investments                      21,592,484   123,604,003   30,333,540   4,189,531   3,342,471   432,778    
                                          -----------  ------------  -----------  ----------  ----------  --------    
                                                                                                                      
Receivables:                                                                                                          
  Participant contributions                                 288,405      177,161                                      
  Interfund receivable (payable)               (7,323)        2,015        5,308                                      
                                          -----------  ------------  -----------  ----------  ----------  --------    
      Total receivables                        (7,323)      290,420      182,469                                      
                                          -----------  -------------  ----------  ----------  ----------  --------    
      Total assets                         21,585,161   123,894,423   30,516,009   4,189,531   3,342,471   432,778    
                                                                                                                      
LIABILITIES                                                                                                           
- -----------                                                                                                           
                                                                                                                      
Other liabilities                                           (11,543)                                                  
Transfers to other plans                                    (89,208)                                                  
                                          -----------  ------------  -----------  ----------  ----------  --------    
NET ASSETS AVAILABLE FOR                                                                                              
BENEFITS                                  $21,585,161  $123,793,672  $30,516,009  $4,189,531  $3,342,471  $432,778    
                                          ===========  ============  ===========  ==========  ==========  ========     
                                          
<CAPTION> 
                                             Supplemental Information by Fund                        
                                         ----------------------------------------
                                         International                        
                                             Stock          Loan                                 
ASSETS                                        Fund          Fund        Total                    
- ------                                   --------------  ----------  ------------                  
<S>                                      <C>             <C>         <C>                         
    
Investments - at fair value:                                
  Common Stock of Armco Inc.                                         $ 21,592,484   
  Fixed Income Fund                                                   123,604,003                       
  Equity Income Fund                                                   30,333,540       
  Growth Stock Fund                                                     4,189,531  
  New Horizons Fund                                                     3,342,471 
  Equity Index Fund                                                       432,778 
  International Stock Fund               $     539,731                    539,731 
  Loans to participants                                  $2,668,900     2,668,900 
                                         -------------   ----------  ------------  
    Total investments                         539,731     2,668,900   186,703,438
                                         -------------   ----------  ------------  
                                          
Receivables:                              
  Participant contributions                                               465,566 
  Interfund receivable (payable)          
                                         -------------   ----------  ------------  
    Total receivables                                                     465,566   
                                         -------------   ----------  ------------  
    Total assets                               539,731    2,668,900   187,169,004   
                                                                                   
LIABILITIES                               
- -----------                               
                                                                                 
Other liabilities                                                         (11,543)            
Transfers to other plans                                                  (89,208)            
                                         -------------   ----------  ------------  
NET ASSETS AVAILABLE FOR                                                           
BENEFITS                                 $     539,731   $2,668,900  $187,068,253             
                                         =============   ==========  ============
</TABLE>
See notes to financial statements.

                                      -5-
<PAGE>
 
                     ARMCO INC. RETIREMENT AND SAVINGS PLAN
                     --------------------------------------

           STATEMENTS OF CHANGES IN NET ASSETS AVAILABLE FOR BENEFITS
                          YEAR ENDED DECEMBER 31, 1993

<TABLE>
<CAPTION>

                                                           Supplemental Information By Fund
                                ---------------------------------------------------------------------------------------

                                 Corporation        Fixed          Equity         Growth          New         Equity
                                    Stock          Income          Income         Stock        Horizons        Index
                                    Fund            Fund            Fund           Fund          Fund          Fund
                                -------------   -------------   ------------   ------------   -----------   -----------
<S>                             <C>             <C>             <C>            <C>            <C>           <C>
Interest and dividends                           $  8,342,608    $ 2,966,006    $   259,636    $  869,970    $   24,005

Net appreciation
 (depreciation)
   in fair value of
    investments                  $(1,308,950)                      1,400,400        447,570        37,999        53,824
                                                                                                                       
Contributions by participants        495,123        4,014,500      1,869,305      1,139,420       699,180       447,409
                                                                                                                       
Contributions by Armco Inc.          251,698        2,200,892        851,144        537,620       334,000       197,710
                                                                                                                       
Distributions to withdrawing                                                                                           
   participants                   (3,074,251)     (22,284,835)    (5,632,074)      (708,323)     (435,740)     (126,834)
                                                                                                                       
Transfers among funds             (1,922,856)      (2,151,190)       263,013     (5,777,307)    1,596,927     4,838,897
                                                                                                                       
Transfer out to other plans         (439,296)      (1,246,221)       (94,007)       (88,147)      (47,656)             
                                 -----------     ------------    -----------    -----------    ----------    ----------
                                                                                                                       
NET INCREASE  (DECREASE)                                                                                               
  IN NET ASSETS AVAILABLE                                                                                              
   FOR BENEFITS                   (5,998,532)     (11,124,246)     1,623,787     (4,189,531)    3,054,680     5,435,011
                                                                                                                       
NET ASSETS AVAILABLE FOR                                                                                               
   BENEFITS, BEGINNING                                                                                                 
   OF YEAR                        21,585,161      123,793,672     30,516,009      4,189,531     3,342,471       432,778
                                 -----------     ------------    -----------    -----------    ----------    ----------
                                                                                                                       
NET ASSETS AVAILABLE                                                                                                   
   FOR BENEFITS, END                                                                                                   
   OF YEAR                       $15,586,629     $112,669,426    $32,139,796    $        --    $6,397,151    $5,867,789
                                 ===========     ============    ===========    ===========    ==========    ========== 

<CAPTION>
                                       Supplemental Information By Fund
                                    ------------------------------------------
                                     International                                     
                                         Stock            Loan                   
                                         Fund             Fund           Total   
                                    --------------     -----------   -------------
<S>                                    <C>              <C>           <C>         
Interest and dividends                 $  101,344       $  205,628      12,769,197
                                                                                  
Net appreciation                                                                  
 (depreciation)                                                                   
   in fair value of                                                               
    investments                           586,667                        1,217,510
                                                                                  
Contributions by participants             428,338                        9,093,275
                                                                                  
Contributions by Armco Inc.               173,750                        4,546,814
                                                                                  
Distributions to withdrawing                                                      
   participants                          (135,766)                     (32,397,823)
                                                                                  
Transfers among funds                   3,114,438           38,078                
                                                                                  
Transfer out to other plans               (41,212)         (79,688)     (2,036,227)
                                    --------------     -----------   -------------
                                                                                  
NET INCREASE  (DECREASE)                                                          
  IN NET ASSETS AVAILABLE                                                         
   FOR BENEFITS                         4,227,559          164,018      (6,807,254)
                                                                                  
NET ASSETS AVAILABLE FOR                                                          
   BENEFITS, BEGINNING                                                            
   OF YEAR                                539,731        2,668,900     187,068,253
                                    --------------     -----------   -------------
                                                                                  
NET ASSETS AVAILABLE                                                              
   FOR BENEFITS, END                                                              
   OF YEAR                             $4,767,290       $2,832,918    $180,260,999
                                    ==============     ===========   ============= 


See notes to financial statements.
</TABLE> 

                                      -6-
<PAGE>
 
                     ARMCO INC. RETIREMENT AND SAVINGS PLAN
                     --------------------------------------

           STATEMENTS OF CHANGES IN NET ASSETS AVAILABLE FOR BENEFITS
                          YEAR ENDED DECEMBER 31, 1992
<TABLE>
<CAPTION>

                                                         Supplemental Information by Fund
                               -------------------------------------------------------------------------------------
                                Corporation       Fixed           Equity        Growth         New         Equity
                                   Stock          Income          Income         Stock       Horizons       Index
                                    Fund           Fund            Fund          Fund          Fund          Fund
                                ------------   -------------   ------------   -----------   -----------   ----------
<S>                             <C>            <C>             <C>            <C>           <C>           <C>
Interest and dividends                         $  6,332,920    $   453,185    $  253,827    $  338,479     $ 10,172

Net appreciation
 (depreciation) in fair
   value of investments         $ 3,756,397                        410,455        (5,431)      (26,119)      18,410

Contributions by participants       291,625       3,527,662        537,991       447,906       326,135       69,779

Contributions by Armco Inc.         182,586       2,137,848        359,169       259,550       189,318       41,278

Distributions to withdrawing
   participants                  (1,268,070)    (10,578,771)      (510,128)     (306,919)     (141,314)     (18,106)

Transfers among funds            (1,248,934)        446,754            897       (56,009)      410,925        5,212

Transfer in from other plans      3,488,972      47,387,025     23,397,013        70,823        84,911       64,794
                                -----------    ------------    -----------    ----------    ----------     --------

NET INCREASE IN NET
   ASSETS AVAILABLE
   FOR BENEFITS                   5,202,576      49,253,438     24,648,582       663,747     1,182,335      191,539

NET ASSETS AVAILABLE FOR
   BENEFITS, BEGINNING
   OF YEAR                       16,382,585      74,540,234      5,867,427     3,525,784     2,160,136      241,239
                                -----------    ------------    -----------    ----------    ----------     --------

NET ASSETS AVAILABLE FOR
    BENEFITS, END OF YEAR       $21,585,161    $123,793,672    $30,516,009    $4,189,531    $3,342,471     $432,778
                                ===========    ============    ===========    ==========    ==========     ========
<CAPTION> 

                                      Supplemental Information by Fund
                                  ------------------------------------------
                                  International 
                                      Stock           Loan
                                      Fund            Fund          Total
                                  -------------    ----------   ------------
<S>                               <C>              <C>          <C> 
Interest and dividends               $ 19,991      $   25,641   $  7,434,215

Net appreciation
 (depreciation) in fair
   value of investments               (50,726)                     4,102,986

Contributions by participants          90,143                      5,291,241

Contributions by Armco Inc.            52,378                      3,222,127

Distributions to withdrawing
   participants                        (9,048)                   (12,832,356)

Transfers among funds                 113,364         327,791

Transfer in from other plans           57,539       1,680,526     76,231,603
                                  -------------    ----------   ------------

NET INCREASE IN NET
   ASSETS AVAILABLE
   FOR BENEFITS                       273,641       2,033,958     83,449,816

NET ASSETS AVAILABLE FOR
   BENEFITS, BEGINNING
   OF YEAR                            266,090         634,942    103,618,437
                                  -------------    ----------   ------------

NET ASSETS AVAILABLE FOR
    BENEFITS, END OF YEAR            $539,731      $2,668,900   $187,068,253
                                  =============    ==========   ============
</TABLE> 
See notes to financial statements.

                                      -7-
<PAGE>
 
ARMCO INC. RETIREMENT AND SAVINGS PLAN
- --------------------------------------

NOTES TO FINANCIAL STATEMENTS
YEARS ENDED DECEMBER 31, 1993 AND 1992
- --------------------------------------


1.  GENERAL

     The Armco Inc. Retirement and Savings Plan (the "Plan") is a defined
     contribution plan covering all employees who are employed at a unit or
     subsidiary designated by the Benefit Plans Administrative Committee
     ("BPAC") as being eligible to participate.  The primary purpose is to
     encourage employee savings while providing an opportunity to invest in the
     common stock of Armco Inc. ("Armco").  Participants may elect to invest
     into the Plan through payroll deductions up to 20% of base salary.  In
     addition, for every dollar contributed by a participant, up to 5% of base
     salary depending on service attained as of the first of each quarter, Armco
     will match such contributions 100%, and for employees who are not eligible
     for current benefit accruals under any tax-qualified defined benefit
     pension plan sponsored by Armco, an additional 2% will be contributed to
     the participant's account.  All contributions, including any net
     accumulated earnings thereon, are 100% vested at all times.  The Plan
     allows participants to borrow funds from their accounts.

     T. Rowe Price Trust Company ("TRP") serves as the trustee of the Plan.  TRP
     also serves as an investment manager and recordkeeper for all participant
     accounts.

     Provisions of the Plan regarding participation, vesting, contributions,
     withdrawals, loans and other matters are more fully described in the
     Summary Plan Description.

2.   SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

     The following are the significant accounting policies followed by the Plan:

     a.   General - The accounting records of the Plan are maintained on the
          -------                                                           
          accrual basis of accounting.

     b.   Valuation of Investments - Quoted market prices are used to value
          ------------------------                                         
          investments, except for various group annuity contracts comprising the
          Fixed Income Fund which are valued at contract value.

3.   INVESTMENT PROGRAMS

     Upon enrollment or re-enrollment, the following investment options are
     available for participant contributions in increments of 10%:

     a.   Corporation Stock Fund - Investment in the common stock of Armco.
          ----------------------                                           

     b.   Fixed Income Fund - Investment contracts with insurance companies or
          -----------------                                                   
          banks and money market funds.

     c.   Equity Income Fund - TRP mutual fund investing in a diversified
          ------------------                                             
          portfolio of stocks and bonds.

     d.   Growth Stock Fund - TRP mutual fund investing in common stocks of
          -----------------                                                
          well-established growth companies.

     e.   New Horizons Fund - TRP mutual fund investing in common stocks of
          -----------------                                                
          small, emerging companies.

     f.   Equity Index Fund - TRP mutual fund investing in common stocks
          -----------------                                             
          represented in the Standard & Poor's 500 Composite Stock Price Index.

                                      -8-
<PAGE>
 
     g.   International Stock Fund - TRP mutual fund investing primarily in
          ------------------------                                         
          common stocks of established non-United States companies.

     The Loan Fund was established by TRP to account for loans to participants.

     Participants may, once during each calendar quarter, change the investment
     options to which future contributions are to be allocated.  In addition,
     participants may, once during each calendar quarter, direct that all or a
     specified portion of their account, including any earnings thereon, held in
     any one or more investment funds be transferred from such investment fund
     or funds to any other investment fund or funds.

     Contributions of Armco are allocated to participants' accounts based on the
     participants' current investment elections.

     During 1993, Armco approved that effective January 1, 1994, the T. Rowe
     Price Balanced Fund will be offered to participants as a substitute for the
     Growth Stock Fund.  Additionally, Armco approved the transfer of
     participant account balances in the Growth Stock Fund to the Equity Index
     Fund.  Such transfers occurred on December 31, 1993.

4.   CONTRIBUTIONS

     Following are the pretax contributions from earnings of participants
     (contributions made in accordance with Section 401(k) of the Internal
     Revenue Code) included in Contributions by Participants in the accompanying
     Statements of Changes in Net Assets Available for Benefits:

<TABLE>
<CAPTION>
                                        Year Ended December 31
                                 -----------------------------------
                                    1993                      1992
                                 ----------               ----------
   <S>                           <C>                      <C>
 
   Corporation Stock Fund        $  405,273               $  188,658
   Fixed Income Fund              3,174,132                2,440,620
   Equity Income Fund             1,729,381                  424,939
   Growth Stock Fund              1,043,877                  354,996
   New Horizons Fund                626,696                  261,931
   Equity Index Fund                430,728                   58,028
   International Stock Fund         383,628                   73,612
</TABLE>

5.   TAX STATUS

     The Plan obtained its latest determination letter in 1990, in which the
     Internal Revenue Service stated that the Plan, as then designed, was in
     compliance with the applicable requirements of the Internal Revenue Code.
     The Plan has been amended since receiving the determination letter.  Armco
     believes that the Plan is currently designed and being operated in
     compliance with the applicable requirements of the Internal Revenue Code.
     Therefore, no provision for income taxes has been included in the Plan's
     financial statements.

6.   INVESTMENTS IN THE FIXED INCOME FUND

     The Plan's Fixed Income Fund holds various investment contracts with the
     Travelers Life Insurance Company ("Travelers"), Massachusetts Mutual Life
     Insurance Company ("Massachusetts Mutual"), the Bankers Trust Company
     ("Bankers Trust"), Provident National ("Provident"), Aetna Capital
     Management ("Aetna"), Metropolitan Life Insurance Company ("Metropolitan
     Life"), John Hancock Mutual Life Insurance Company ("John Hancock") and
     Prudential Asset Management ("Prudential").  Such investment contracts are
     presented at contract value in the accompanying financial statements which
     represents the principal amount of the contract plus accumulated interest.
     The interest rates on such contracts may be reduced or other penalties
     applied if the

                                      -9-
<PAGE>
 
     Plan allows investment in a competing fixed income fund established with
     another financial institution or takes other actions which are specified in
     the underlying contracts.

     Interest earned by the Fixed Income Fund is a composite of the interest
     earned under the various group annuity contracts and money market funds, as
     follows:

<TABLE>
<CAPTION>
 
                                              Investment
Contribution Period              Carrier         Rate    Effective Through
- -------------------------   -----------------   ------   -----------------
<S>                         <C>                 <C>      <C>
 
   January 1, 1988
    December 31, 1988       Travelers           10.47%    January 1, 1993
 
   January 1, 1989          Massachusetts
    September 30, 1989      Mutual               9.25     March 31, 1994
 
   October 1, 1989
    September 30, 1990      Bankers Trust        9.00     March 31, 1995
 
   October 1, 1990
    September 30, 1991      Provident            9.32     March 31, 1996
 
   December 31, 1990        Aetna                9.39     March 31, 1996
 
   October 1, 1991
    September 30, 1992      Metropolitan Life    8.02     March 31, 1997
 
   December 31, 1991        John Hancock         8.12     March 31, 1997
 
   October 1, 1992          Prudential           5.95     March 31, 1999
    September 30, 1993
 
   October 1, 1993          TRP                  2.66     March 31, 1994
    March 31, 1994
</TABLE>


     In addition to the above investment contracts, various guaranteed
     investment contracts were received by the Plan on December 31, 1992 in
     connection with the merger of the Cyclops Profit Sharing Investment Plan
     into the Plan (see Note 9).  The contribution periods of these contracts
     range from 1989 through 1992, and these contracts are effective through
     dates ending in 1993 to 1995.

                                      -10-
<PAGE>
 
     The Fixed Income Fund's investments as of December 31, 1993 and 1992 are as
follows:

<TABLE>
<CAPTION>
 
        Description of Investment               1993              1992
        -------------------------            -------------     -----------
   <S>                                       <C>               <C>    
 
   TRP Prime Reserve Fund, money market
    fund, 2.66%                              $  5,339,386
   Massachusetts Mutual, Guaranteed
    Investment Contract, 9.25%                  7,399,342      $ 13,545,706
   Bankers Trust, Guaranteed Investment
    Contract, 9.00%                            16,928,453        15,530,705
   Provident, Guaranteed Investment
    Contract, 9.32%                             8,735,896         7,991,123
   Aetna, Guaranteed Investment
    Contract, 9.39%                            10,594,458         9,685,819
   Metropolitan Life, Guaranteed
    Investment Contract, 8.02%                  9,070,048         8,396,637
   John Hancock, Guaranteed Investment
    Contract, 8.12%                             8,169,504         7,555,960
   Prudential, Guaranteed Investment
    Contract, 5.95%                            34,373,658        27,972,466
   Bankers Trust, Guaranteed Investment
    Contract, 4.81%                                               2,016,671
   Bankers Trust, Guaranteed Investment
    Contract, 5.09%                                               1,739,121
   Canada Life, Guaranteed Investment
    Contract, 8.00%                             2,106,477         2,106,477
   Canada Life, Guaranteed Investment
    Contract, 8.10%                             2,080,977         2,081,865
   Commonwealth Life, Guaranteed
    Investment Contract, Variable                                 1,256,699
   Hartford Life, Guaranteed Investment
    Contract, Variable                                            3,046,943
   Hartford Life, Guaranteed Investment
    Contract, 6.42%                             2,002,733         2,002,945
   Life Insurance of Virginia Guaranteed
    Investment Contract, Variable                                 4,560,783
   Peoples Security Life, Guaranteed
    Investment Contract, Variable                                 2,052,386
   Prudential, Guaranteed Investment
    Contract, 7.59%                                               1,714,554   
   Prudential, Guaranteed Investment 
    Contract, 6.57%                             3,289,392         3,086,602
   State Mutual Life, Guaranteed
    Investment Contract, 6.11%                  1,007,502         2,015,004
   State Mutual Life, Guaranteed
    Investment Contract, 5.18%                  1,571,600         3,148,496
   United of Omaha, Guaranteed
    Investment Contract, 7.70%                                    2,097,041
                                             ------------      ------------
                                             $112,669,426      $123,604,003
                                             ============      ============
</TABLE>

7. TRANSACTIONS WITH PARTIES IN INTEREST

     Armco provides to the Plan certain accounting and administrative services
     for which no fees are charged to the Plan.

8.   PLAN TERMINATION

     Although it has not expressed any intent to do so, Armco has the right
     under the Plan to discontinue its contributions at any time and to
     terminate the Plan subject to the provisions of ERISA.  In the event of
     Plan termination, the interest of affected participants shall be
     distributed as provided by BPAC.

                                      -11-
<PAGE>
 
9.   PLAN TRANSFERS

     On April 24, 1992, a wholly owned subsidiary of Armco merged with and into
     Cyclops Industries, Inc., which then became a wholly owned subsidiary of
     Armco.  Subsequent to the merger, participants of the Cyclops Profit
     Sharing Investment Plan ("Cyclops Plan") became participants of the Plan on
     December 31, 1992.  Additionally on December 31, 1992, the Cyclops Plan's
     assets were merged into the Plan.  Under the terms of the plan merger,
     participant balances of the Cyclops Plan's Company Stock Fund and Fixed
     Income Fund were merged with the Plan's Corporation Stock Fund and Fixed
     Income Fund, respectively.  The Cyclops Plan's Common Stock Fund was merged
     into the Plan's Equity Income Fund.  Loans to participants were merged into
     the Plan's Loan Fund.  Net assets transferred to the Plan were as follows:

<TABLE>
<CAPTION>
 
       <S>                         <C>
       Corporation Stock Fund      $ 3,339,433
       Fixed Income Fund            46,084,419
       Equity Income Fund           23,144,810
       Loan Fund                     1,680,526
                                   -----------
                                   $74,249,188
                                   ===========
</TABLE> 

     The remaining plan transfers, as reflected on the 1992 Statement of Changes
     in Net Assets Available for Benefits, relate principally to the merger of
     the NN Administration, Inc. Profit Sharing Plan, another benefit plan
     sponsored by Armco, into the Plan effective January 1, 1992.

     On April 30, 1993 and as a result of Armco's reorganization of its research
     facility, certain personnel became employees of the Armco Steel Company,
     L.P.  In connection with the reorganization, approximately $2,030,000 of
     plan assets equal to the account balances of the transferred employees,
     were transferred to the Armco Steel Company, L. P. Thrift Plan.

10.  SUBSEQUENT EVENT

     In a Stock Purchase Agreement dated September 30, 1993, and amended and
     restated November 11, 1993 ("Agreement"), Armco sold its Armco Worldwide
                                              =                              
     Grinding Systems business.  The Agreement stated that plan assets equal to
     the transferred employees' account balances would be transferred into
     replacement plans established by the Buyer (GS Technologies) as soon as
     practicable after the closing date (November 11, 1993), but in no event
     later than the last day of the twelfth month following the closing date.
     Such assets were included in December 31, 1993 balances and were
     transferred to the established replacement plans on January 31, 1994.
     Amounts transferred were as follows:

<TABLE>
<CAPTION>
 
       <S>                           <C>
       Corporation Stock Fund        $1,301,784
       Fixed Income Fund              6,973,506
       International Stock Fund         457,442
       New Horizons Fund                913,659
       Equity Index Fund              1,011,368
       Equity Income Fund             1,662,908
       Loan Fund                        154,510
                                    -----------
                                    $12,475,177
                                    ===========
</TABLE> 


                                  * * * * * *

                                      -12-
<PAGE>
 
ARMCO INC. RETIREMENT AND SAVINGS PLAN
- --------------------------------------

ITEM 27a - SCHEDULE OF ASSETS HELD FOR INVESTMENT PURPOSES
DECEMBER 31, 1993
- -----------------------------------------------------------

<TABLE>
<CAPTION>
                                                                                             Current
Identity of Issue                         Description of Investment             Cost          Value
- -----------------                    -------------------------------------   -----------   ------------
<S>                                  <C>                                     <C>           <C>  
* Armco Inc.                         Common Stock, $.01 Par Value            $33,948,414    $15,586,629
 
John Hancock Mutual
  Life Insurance Company             Guaranteed Investment Contract, 8.12%     8,169,504      8,169,504
 
Massachusetts Mutual
  Life Insurance Company             Guaranteed Investment Contract, 9.25%     7,399,342      7,399,342
 
Bankers Trust Company                Guaranteed Investment Contract, 9.00%    16,928,453     16,928,453
 
Provident National                   Guaranteed Investment Contract, 9.32%     8,735,896      8,735,896
 
Aetna Capital Management             Guaranteed Investment Contract, 9.39%    10,594,458     10,594,458
 
Metropolitan Life Insurance
  Company                            Guaranteed Investment Contract, 8.02%     9,070,048      9,070,048
 
Prudential Asset Management          Guaranteed Investment Contract, 5.95%    34,373,658     34,373,658
 
Canada Life                          Guaranteed Investment Contract, 8.00%     2,106,477      2,106,477
 
Canada Life                          Guaranteed Investment Contract, 8.10%     2,080,977      2,080,977
 
Hartford Life                        Guaranteed Investment Contract, 6.42%     2,002,733      2,002,733
 
Prudential Asset Management          Guaranteed Investment Contract, 6.57%     3,289,392      3,289,392
 
State Mutual Life                    Guaranteed Investment Contract, 6.11%     1,007,502      1,007,502
 
State Mutual Life                    Guaranteed Investment Contract, 5.18%     1,571,600      1,571,600
 
* T. Rowe Price Trust Company        Prime Reserve Fund                        5,339,386      5,339,386
 
* T. Rowe Price Trust Company        Equity Income Fund                       29,788,406     32,139,796
 
* T. Rowe Price Trust Company        New Horizons Fund                         6,067,446      6,397,151
 
* T. Rowe Price Trust Company        Equity Index Fund                         5,790,537      5,867,789
(Continued)
</TABLE>

                                      -13-
<PAGE>
 
ARMCO INC. RETIREMENT AND SAVINGS PLAN
- --------------------------------------

ITEM 27a - SCHEDULE OF ASSETS HELD FOR INVESTMENT PURPOSES
DECEMBER 31, 1993 (CONTINUED)
- ----------------------------------------------------------

<TABLE>
<CAPTION>
                                                                                        Current
Identity of Issue                    Description of Investment           Cost            Value
- --------------------------------   ------------------------------    -------------   -------------
<S>                                <C>                               <C>             <C>
 
* T. Rowe Price Trust Company      International Stock Fund          $   4,258,959    $  4,767,290
 
* Participant Loans                Notes, 8.0% to 12.5%,
                                   due 12 to 180 months from date
                                   of loan                               2,832,918       2,832,918
                                                                      ------------    ------------
 
TOTAL                                                                 $195,356,106    $180,260,999
                                                                      ============    ============
</TABLE> 

* Party-in-interest.

                                      -14-
<PAGE>
 
ARMCO INC. RETIREMENT AND SAVINGS PLAN
- --------------------------------------

ITEM 27d - SCHEDULE OF REPORTABLE TRANSACTIONS
YEAR ENDED DECEMBER 31, 1993
- ----------------------------------------------


SERIES TRANSACTIONS, WHEN AGGREGATED, INVOLVING AN AMOUNT
IN EXCESS OF 5 PERCENT OF THE CURRENT VALUE OF PLAN ASSETS
- ------------------------------------------------------------

<TABLE>
<CAPTION>
                                                 Number     Number      Total          Total
                            Description            of         of       Amounts        Amounts      Net Gain
Identity of Issue          of Investment        Purchases   Sales     Purchased         Sold       or (Loss)
- --------------------   ----------------------   ---------   ------   ------------   ------------   ---------
<S>                    <C>                      <C>         <C>      <C>            <C>            <C>
 
Prudential Asset       Guaranteed Investment       139        77     $28,568,038     $24,110,144      $ --
  Management           Contract, 5.95%
 
T. Rowe Price          Prime Reserve Fund           40        27       9,305,799       3,934,641        --
  Trust Company
</TABLE>

                                      -15-
<PAGE>
 
                                  SIGNATURES


Pursuant to the requirements of the Securities Exchange Act of 1934, the Benefit
Plans Administrative Committee has duly caused this Annual Report on Form 11-K
to be signed by the undersigned thereunto duly authorized.


                                      ARMCO INC. RETIREMENT AND SAVINGS PLAN
                                      (The Plan)



                                      By:  /s/ James W. Edgerton
                                         --------------------------------------
                                         James W. Edgerton, Chairman
                                         Benefit Plan Administrative Committee


                                      By: /s/ Barry M. Haller
                                         --------------------------------------
                                         Barry M. Haller, Member
                                         Benefit Plan Administrative Committee


                                      By: /s/ Gregory R. Karavanich
                                         --------------------------------------
                                         Gregory R. Karavanich, Member
                                         Benefit Plan Administrative Committee


Dated:   June 29, 1994

                                      -16-
<PAGE>
 
                                                            Exhibit 24(a)



INDEPENDENT AUDITORS' CONSENT
- -----------------------------



We consent to the incorporation by reference in Registration Statement No.
33-54353 of Armco Inc. on Form S-8 of our report dated June 25, 1994,
appearing in this Annual Report on Form 11-K of the Armco Inc. Retirement and
Savings Plan for the year ended December 31, 1993.

/s/ DELOITTE & TOUCHE

DELOITTE & TOUCHE

Pittsburgh, Pennsylvania
June 29, 1994

                                      -17-
<PAGE>
 
                                   FORM 11-K


            FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS
              AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE
                        SECURITIES EXCHANGE ACT OF 1934


                ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE
                        SECURITIES EXCHANGE ACT OF 1934


                  For the fiscal year ended December 31, 1993


                     EMPIRE-DETROIT STEEL DIVISION 401(K)
                           PLAN FOR HOURLY EMPLOYEES
                           -------------------------
                           (Full title of the Plan)


                                  ARMCO INC.
                                  ----------
                       (Name of Issuer of the securities
                          held pursuant to the Plan)


   One Oxford Centre, 301 Grant Street, Pittsburgh, Pennsylvania 15219-1415
   ------------------------------------------------------------------------
                   (Address of principal executive offices)
<PAGE>
 
        EMPIRE-DETROIT STEEL DIVISION 401(K) PLAN FOR HOURLY EMPLOYEES
        --------------------------------------------------------------

                               TABLE OF CONTENTS


                                                                        Page
                                                                        ----

INDEPENDENT AUDITORS' REPORT                                              3

FINANCIAL STATEMENTS:

 Statements of Net Assets Available for Benefits,
  December 31, 1993 and 1992                                              4

 Statements of Changes in Net Assets Available for Benefits,
  for the Years Ended December 31, 1993 and 1992                          5

  Notes to Financial Statements                                         6-8

SUPPLEMENTAL SCHEDULES:

 Item 27a - Schedule of Assets Held for Investment Purposes               9

 Item 27d - Schedule of Reportable Transactions                          10

(Supplemental schedules other than those listed
above are not presented because of the absence of
the conditions under which they are required.)

                                      -2-
<PAGE>
 
INDEPENDENT AUDITORS' REPORT
- ----------------------------


To the Empire-Detroit Steel Division
   401(k) Plan for Hourly Employees:


We have audited the accompanying financial statements of the Empire-Detroit
Steel Division 401(k) Plan for Hourly Employees as of December 31, 1993 and 1992
and for the years then ended, listed in the foregoing table of contents.  These
financial statements are the responsibility of the Plan's management.  Our
responsibility is to express an opinion on these financial statements based on
our audits.

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

In our opinion, such financial statements present fairly, in all material
respects, the net assets available for benefits of the Plan as of December 31,
1993 and 1992, and the changes in its net assets available for benefits for the
years then ended in conformity with generally accepted accounting principles.

Our audits were conducted for the purpose of forming an opinion on the basic
financial statements taken as a whole.  The supplemental schedules listed in the
foregoing table of contents 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 supplemental information by fund is presented for the
purpose of additional analysis of the basic financial statements rather than to
present information regarding the net assets available for benefits and changes
in net assets available for benefits of the individual funds, and is not a
required part of the basic financial statements.  The supplemental schedules
listed in the foregoing table of contents and supplemental information by fund
are the responsibility of the Plan's management.  Such supplemental schedules
and supplemental information by fund have been subjected to the auditing
procedures applied in our audits of the basic financial statements and, in our
opinion, are fairly stated in all material respects when considered in relation
to the basic financial statements taken as a whole.

/s/ DELOITTE & TOUCHE

DELOITTE & TOUCHE


Pittsburgh, Pennsylvania
June 25, 1994

                                      -3-
<PAGE>
 
        EMPIRE-DETROIT STEEL DIVISION 401(K) PLAN FOR HOURLY EMPLOYEES
        --------------------------------------------------------------

                STATEMENTS OF NET ASSETS AVAILABLE FOR BENEFITS
                           DECEMBER 31, 1993 AND 1992
<TABLE>
<CAPTION>

                                                       1993                                                 1992
                              --------------------------------------------------------   ------------------------------------------
                                         Supplemental Information By Fund                      Supplemental Information By Fund
                              --------------------------------------------------------   ------------------------------------------
                                Stable      Equity     Company                            Fixed      Common    Company
                                Value       Income      Stock      Loan                   Income     Stock      Stock
                                 Fund        Fund       Fund       Fund       Total        Fund       Fund      Fund       Total
                              ----------  ----------   -------    -------   ----------   --------   --------   -------   ----------
<S>                          <C>          <C>          <C>        <C>       <C>          <C>        <C>        <C>       <C>
                                                                                      
ASSETS                                                                                
- ------                                                                                
Receivables:                                                                          
  Participant contributions                                                              $ 56,244   $ 36,712                $92,956
  Interest                                                                                             1,819                  1,819
  Transfers from other plans                                                               89,208                            89,208
                              ----------  ----------   -------    -------   ----------   --------   --------   -------   ----------
                                                                                      
             Total                                                                    
              receivables                                                                 145,452     38,531                183,983
                              ----------  ----------   -------    -------   ----------   --------   --------   -------   ----------
                                                                                      
Investments - at fair value:                                                          
  Common Stock of Armco Inc.                           $46,055             $    46,055                         $47,337       47,337
  Stable Value Common                                                                 
    Trust Fund                $1,546,520                                     1,546,520    830,722                           830,722
  Equity Income Fund                      $1,347,925                         1,347,925               693,898                693,898
  Loans to participants                                           $14,331       14,331      6,291        322       401        7,014
                              ----------  ----------   -------    -------   ----------   --------   --------   -------   ----------
                                                                                      
             Total                                                                    
              investments      1,546,520   1,347,925    46,055     14,331    2,954,831    837,013    694,220    47,738    1,578,971
                              ----------  ----------   -------    -------   ----------   --------   --------   -------   ----------
                                                                                      
TOTAL ASSETS AND                                                                      
NET ASSETS AVAILABLE                                                                  
FOR BENEFITS                  $1,546,520  $1,347,925   $46,055    $14,331   $2,954,831   $982,465   $732,751   $47,738   $1,762,954
                              ==========  ==========   =======    =======   ==========   ========   ========   =======   ==========
                                                          
</TABLE>                                                  
See notes to financial statements.

                                      -4-
<PAGE>
 
        EMPIRE-DETROIT STEEL DIVISION 401(K) PLAN FOR HOURLY EMPLOYEES
        --------------------------------------------------------------

           STATEMENTS OF CHANGES IN NET ASSETS AVAILABLE FOR BENEFITS
                     YEARS ENDED DECEMBER 31, 1993 AND 1992
<TABLE>
<CAPTION>
 
                                                 1993                                                     1992
                      -----------------------------------------------------------   -----------------------------------------------
                            Supplemental Information By Fund                         Supplemental Information By Fund
                      ----------------------------------------------                ----------------------------------
                         Stable       Equity      Company                            Fixed       Common      Company
                         Value        Income       Stock     Loan                    Income       Stock       Stock
                         Fund          Fund        Fund      Fund        Total        Fund        Fund        Fund         Total
                      -----------  ------------  --------   -------   -----------   ---------   ---------   ---------   -----------
<S>                   <C>          <C>           <C>        <C>       <C>           <C>         <C>         <C>         <C>
 
Interest and 
 dividends             $   71,898    $   85,101             $   664   $  157,663
 
Net investment gain
  from Master Trust                                                                  $ 36,396   $116,266    $ 26,354    $179,016
 
Net appreciation
 (depreciation)
  in fair value of
   investments                           47,835    $(4,315)               43,520
 
Contributions by 
 participants             584,916       443,089      2,632             1,030,637      496,354    216,356      14,707      727,417
 
Distributions to 
 withdrawing
 participants             (18,144)      (21,799)                         (39,943)     (30,579)   (11,455)     (3,879)     (45,913)
 
Transfers among 
 funds                    (74,615)       60,948              13,667                    24,242     57,807     (82,049)
                       ----------    ----------   -------   -------   ----------     --------   --------    --------   ----------
 
NET INCREASE
  (DECREASE) IN NET
  ASSETS AVAILABLE 
  FOR BENEFITS            564,055       615,174    (1,683)   14,331    1,191,877      526,413    378,974     (44,867)     860,520
 
NET ASSETS AVAILABLE
  FOR BENEFITS,
  BEGINNING OF YEAR       982,465       732,751    47,738              1,762,954      456,052    353,777      92,605      902,434
                       ----------    ----------   -------   -------   ----------     --------   --------    --------   ----------
 
NET ASSETS AVAILABLE
  FOR BENEFITS,
  END OF YEAR           $1,546,520   $1,347,925   $46,055   $14,331   $2,954,831     $982,465   $732,751    $ 47,738   $1,762,954
                        ==========   ==========   =======   =======   ==========     ========   ========    ========   ==========
</TABLE>
See notes to financial statements.

                                      -5-
<PAGE>
 
EMPIRE-DETROIT STEEL DIVISION 401(K)
PLAN FOR HOURLY EMPLOYEES
- ------------------------------------

NOTES TO FINANCIAL STATEMENTS
YEARS ENDED DECEMBER 31, 1993 AND 1992
- --------------------------------------


1.    DESCRIPTION OF THE PLAN

      The Empire-Detroit Steel Division 401(k) Plan for Hourly Employees (the
      "Plan") was established effective February 1, 1990 pursuant to collective
      bargaining agreements between the Empire-Detroit Steel Division ("Empire-
      Detroit") of Cyclops Corporation and the United Steelworkers of America,
      and between Empire-Detroit and the United Plant Guard Workers of America.
      Cyclops Corporation was a wholly owned subsidiary of Cyclops Industries,
      Inc. ("Cyclops").  On April 24, 1992, a wholly owned subsidiary of Armco
      Inc. ("Armco") merged with and into Cyclops, which then became a wholly
      owned subsidiary of Armco (see Note 5).  Prior to the merger, the Plan was
      sponsored by Cyclops and administered by a profit sharing committee as
      appointed by its Board of Directors.  Subsequent to the merger, Cyclops
      was liquidated and Armco assumed sponsorship of the Plan.  The Benefit
      Plans Administrative Committee ("BPAC") and the Benefit Plans Asset Review
      Committee, both of which are appointed by Armco's Board of Directors, are
      the Plan Administrators.  As of December 31, 1992, Armco transferred the
      trust assets from Pittsburgh National Bank to T. Rowe Price Trust Company
      ("TRP"), as successor trustee.  Effective on December 31, 1992, TRP also
      became the Plan's investment manager and recordkeeper for all participant
      accounts.  At the time, the Fixed Income Fund became known as the Stable
      Value Fund and the Common Stock Fund as the Equity Income Fund.

      Under the Plan, participants can elect to defer a portion of their
      earnings through contributions to the Plan.  Participants may elect to
      defer any whole percentage between 1% and 10% of their total cash
      compensation.  No participant's deferred contributions may exceed an
      annual limitation ($8,994 for 1993 and $8,728 for 1992) imposed by the
      Internal Revenue Code (the "Code").  Contributions by participants are
      invested in the Stable Value Fund (Fixed Income Fund prior to 1993),
      Equity Income Fund (Common Stock Fund prior to 1993) or Company Stock
      Fund, or a combination of such funds pursuant to limits as defined in the
      Plan with no more than 50% in the Company Stock Fund.

      The Plan is classified as a "defined contribution plan" under the Employee
      Retirement Income Security Act of 1974, as amended.  Beginning in 1992,
      employer matching contributions range from 0% to 3% of a participant's
      total cash compensation, depending on Empire-Detroit's before-tax income
      for such Plan year, as defined by the Plan.  Under the Plan, all employer
      contributions are to be directed to the Company Stock Fund and invested in
      Armco common stock (see Note 5).  During 1993 and 1992, no employer
      matching contributions were made to the Plan as Empire-Detroit's before-
      tax income was less than required, as defined by the Plan.  The
      contributions of a participant are fully vested at all times.
      Contributions by Armco will vest to participants following their
      completion of five years of service after February 1, 1990, regardless of
      their length of participation in the Plan.

      The value of a participant's account is payable in a lump sum upon
      termination of employment.  Withdrawals during active employment are
      permitted to the extent allowed by the Code.  Participants who have
      attained age 59 1/2 or older may withdraw any part or all of their
      contributions, together with any earnings thereon.  In the event of
      qualifying hardships which confront participants with certain immediate
      and heavy financial needs, as determined by the provisions of the Plan,
      participants may, with approval of BPAC, withdraw certain portions of
      their account.

      The accounts of participants whose employment is terminated because of
      retirement, total and permanent disability, permanent layoff or death
      become fully vested upon such event, if then not already vested, and their
      entire account balances are disbursed to them (or their beneficiary) in
      accordance with the Plan.  Otherwise, a termination of employment will
      result in the forfeiture of non-vested employer contributions.
      Forfeitures will be applied against and serve to reduce future
      contributions by Armco as required by the Plan.  If a participant resumes
      his service with Empire-Detroit within five years from the

                                      -6-
<PAGE>
 
      end of the Plan year in which the break-in service occurred, any forfeited
      amounts will be restored to the participant's account. Such restorations
      will be accounted for as Armco contributions in the year restored.

      All expenses incident to the administration of the Plan, excluding
      brokerage fees, commissions and investment management fees, are borne by
      Armco.  Brokerage fees, which are not material, are netted against the
      proceeds received on sales of securities and added to the cost basis of
      securities purchased.

      The Plan provides that participants may elect to transfer up to 100% of
      the value of their individual account balances invested in the Stable
      Value Fund (Fixed Income Fund prior to 1993) and Equity Income Fund
      (Common Stock Fund prior to 1993) to any other fund or funds, subject to
      the limitation that a transfer to the Company Stock Fund may not be in an
      amount which would result in more than 50% of the total value of a
      participant's account then being invested in the Company Stock Fund.  Only
      50% of a participant's contribution that is invested in the Company Stock
      Fund may be transferred at any one time.  Generally, participants may not
      transfer Armco contributions out of the Company Stock Fund.  However, if
      participants are at least 59 1/2, they may make a one-time election to
      transfer up to 50% of Armco contributions, as well as any earnings on
      those contributions, to the other funds.  An election to transfer funds
      may be made quarterly in any Plan year, and notice of the election must be
      given at least 30 days prior to the effective date.  All transfers are
      effective on January 1, April 1, July 1 or October 1 of the Plan year.

      The Plan permits participants who experience a qualifying financial
      hardship to borrow from their vested account balances, subject to certain
      limitations.  Under one such limitation, the principal amount of the loan
      may not exceed the lesser of 50% of the participant's vested balance or
      $50,000.  Fixed rate interest, which is set at the time of the loan
      application approval, is paid by the participant and deposited in the
      participant's account as investment earnings.  Loans are payable within
      five years.  However, this period may be extended to up to 15 years if the
      loan is used to purchase a primary residence.  Effective on January 1,
      1993, TRP, as successor recordkeeper, established a loan fund to account
      for loans to participants.

2.    SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

      a.  Basis of Presentation - The accompanying financial statements have
          ---------------------                                             
          been prepared on an accrual basis.

      b.  Investments - Investments in the common stock of Armco (see Note 5)
          -----------                                                        
          and TRP mutual funds are presented at fair value, based primarily on
          quotations obtained from active markets, such as national securities
          exchanges.

      c.  Reclassification - Certain amounts in the 1992 financial statements
          ----------------                                                   
          have been reclassified to be consistent with the 1993 presentation.

3.    INVESTMENTS

      Prior to December 31, 1992, the Plan's investment assets consisted of an
      interest in a master trust account with Pittsburgh National Bank.  The
      master trust was made up of the following three funds:  (1) Fixed Income
      Fund, (2) Common Stock Fund and (3) Company Stock Fund.  Prior to the
      transfer of plan assets to TRP as successor trustee, the Plan had an
      interest in each fund during 1992.  Use of the master trust permitted the
      commingling of the assets of two plans of Armco and its subsidiaries for
      investment and administrative purposes.  Although assets were commingled
      in the master trust, Pittsburgh National Bank maintained records for the
      purpose of allocating changes in the net assets of the master trust to the
      participating plans.  During 1992, the Plan's pro rata interest in the
      Fixed Income Fund, Common Stock Fund and Company Stock Fund were 2.1%,
      3.1% and 1.4%, respectively.

      Investments held in the master trust were principally guaranteed
      investment contracts, common stocks and Armco common stock (see Note 5).
      Fair values of common stocks, including common stock of

                                      -7-
<PAGE>
 
      Armco, were generally determined by the quoted closing price on the last
      day of the period. Investment contracts with insurance companies were
      valued at contract value.

      On December 31, 1992, the Plan's interest in the master trust's Fixed
      Income Fund and Common Stock Fund were invested in the TRP Stable Value
      Common Trust Fund and TRP Equity Income Fund, respectively.  The TRP
      Stable Value Common Trust Fund invests in guaranteed investment contracts;
      the TRP Equity Income Fund invests in a diversified portfolio of stocks
      and bonds.  The investments of the Company Stock Fund continue to be
      invested in the common stock of Armco (see Note 5).  These investments
      continue to be held by the respective funds in 1993.

4.    TAX STATUS

      No request for determination has been made to the Internal Revenue Service
      ("IRS") that the Plan meets the requirements of Section 401(a) of the Code
      and is entitled to exemption from federal income tax under the provisions
      of Section 501(a) of the Code.  Armco intends, in view of the recent
      release by the IRS of new guidelines covering requests for determination,
      to request in due course a determination letter on behalf of the Plan.
      Armco believes that the Plan is currently designed and being operated in
      compliance with the applicable requirements of the Code.  Therefore, no
      provision for income taxes has been included in the Plan's financial
      statements.

5.    MERGER WITH ARMCO INC.

      Under the terms of the merger agreement, each share of Cyclops common
      stock outstanding at the effective time of the merger, subject to certain
      Armco tax considerations, was converted into $11.00 in cash and 1.99
      shares of Armco common stock.

      Upon the consummation of the merger agreement, participants made certain
      elections regarding their account balances.  Participants who had account
      balances in the Company Stock Fund were required to elect how the
      distribution resulting from the conversion of Cyclops common stock to
      Armco common shares and cash would be invested.  The cash distribution had
      to be reallocated and invested in either the Fixed Income Fund or Common
      Stock Fund, or in a combination with a portion of such cash distribution
      invested in each fund.  Participants also could elect to retain in the
      Company Stock Fund all of the Armco common shares received from the
      distribution or direct the trustee to sell all or a portion of such shares
      and to reinvest the proceeds thereof in either the Fixed Income Fund or
      Common Stock Fund, or in a combination of such funds.

      Subsequent to the merger, direction of contributions to, or transfer of
      any account balances into, the Company Stock Fund was temporarily frozen.
      Participants were only able to direct their contributions to either the
      Stable Value Fund (Fixed Income Fund prior to 1993) or Equity Income Fund
      (Common Stock Fund prior to 1993), or in a combination of such funds.
      During 1993, Armco made certain regulatory filings with the Securities
      Exchange Commission, so that participants again can direct contributions
      to the Company Stock Fund.

6.  TRANSACTIONS WITH PARTIES IN INTEREST

      Armco provides to the Plan certain accounting and administrative services
      for which no fees are charged to the Plan.

7.    PLAN TERMINATION

      Although it has not expressed any intent to do so, Armco has the right,
      subject to the applicable collective bargaining agreements, to terminate
      the Plan by action of its Board of Directors.  The Plan may also be
      amended as necessary, to ensure compliance with the Code or other legal
      requirements.  In the event of a Plan termination, participants will
      become 100% vested in their accounts.

                                     ******

                                      -8-
<PAGE>
 
EMPIRE-DETROIT STEEL DIVISION 401(K)
PLAN FOR HOURLY EMPLOYEES
- ------------------------------------
 
ITEM 27a - SCHEDULE OF ASSETS HELD FOR INVESTMENT PURPOSES
DECEMBER 31, 1993
- ----------------------------------------------------------

<TABLE> 
<CAPTION> 
                                                                        Current
Identity of Issue        Description of Investment            Cost       Value
- -----------------        -------------------------            ----      ----------
<S>                      <C>                               <C>          <C>  
*Armco Inc.              Common Stock, $.01 Par Value      $   62,868   $   46,055
 
*T. Rowe Price           Equity Income Fund                 1,301,515    1,347,925
    Trust Company
 
*T. Rowe Price           Stable Value Common Trust Fund     1,546,520    1,546,520
    Trust Company
 
*Participant Loans       Notes, 8.0% to 12.5%, due 12 to
                         180 months from date of loan          14,331       14,331
                                                           ----------   ----------
 
TOTAL                                                      $2,925,234   $2,954,831
                                                           ==========   ==========
 
</TABLE>

*Party-in-interest.

                                      -9-
<PAGE>
 
EMPIRE-DETROIT STEEL DIVISION 401(k)
PLAN FOR HOURLY EMPLOYEES
- ------------------------------------

ITEM 27d - SCHEDULE OF REPORTABLE TRANSACTIONS
YEAR ENDED DECEMBER 31, 1993
- ---------------------------------------------- 

SERIES TRANSACTIONS, WHEN AGGREGATED, INVOLVING AN AMOUNT IN EXCESS
OF 5 PERCENT OF THE CURRENT VALUE OF PLAN ASSETS
- -------------------------------------------------------------------

<TABLE>
<CAPTION>
                                                  Number     Number     Total      Total
                                  Description       of         of      Amounts    Amounts   Net Gain
Identity of Issue                of Investment   Purchases   Sales    Purchased    Sold     or (Loss)
- ------------------------------   -------------   ---------   ------   ---------   -------   ---------
<S>                              <C>             <C>         <C>      <C>         <C>       <C>
 
T. Rowe Price Trust Company      Stable Value
                                  Common Trust
                                  Fund               16         6      $584,916   $18,144     $  ---
 
T. Rowe Price Trust Company      Equity Income
                                  Fund               13         6       443,089    21,799      1,427
</TABLE>

                                      -10-
<PAGE>
 
                                  SIGNATURES
                                  ----------


Pursuant to the requirements of the Securities Exchange Act of 1934, the Benefit
Plans Administrative Committee has duly caused this Annual Report on Form 11-K
to be signed by the undersigned thereunto duly authorized.


                                      EMPIRE-DETROIT STEEL DIVISION
                                      401(K) PLAN FOR HOURLY EMPLOYEES
                                      (The Plan)



                                      By: /s/ James W. Edgerton
                                          -------------------------------------
                                          James W. Edgerton, Chairman
                                          Benefit Plan Administrative Committee


                                      By: /s/ Barry M. Hal
                                          -------------------------------------
                                          Barry M. Haller, Member
                                          Benefit Plan Administrative Committee


                                      By: /s/ Gregory R. Karavanich
                                          -------------------------------------
                                          Gregory R. Karavanich, Member
                                          Benefit Plan Administrative Committee


Dated:   June 29, 1994

                                      -11-
<PAGE>
 
INDEPENDENT AUDITORS' CONSENT
- -----------------------------



We consent to the incorporation by reference to Registration Statement No. 33-
65946 of Armco Inc. on Form S-8 of our report dated June 25, 1994, appearing in
this Annual Report on Form 11-K of the Empire-Detroit Steel Division 401(k) Plan
for Hourly Employees for the year ended December 31, 1993.

/s/ DELOITTE & TOUCHE

DELOITTE & TOUCHE

Pittsburgh, Pennsylvania
June 29, 1994

                                      -12-


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