LOCKHEED MARTIN CORP
S-8, 1995-03-15
GUIDED MISSILES & SPACE VEHICLES & PARTS
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<PAGE>
 
    As filed with the Securities and Exchange Commission on March 15, 1995.
                                                       Registration No. 33-
- --------------------------------------------------------------------------------

                       SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C.  20549

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

                                    FORM S-8

                             REGISTRATION STATEMENT
                                     Under
                           THE SECURITIES ACT OF 1933

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

                          LOCKHEED MARTIN CORPORATION
             (Exact name of registrant as specified in its charter)


        Maryland                                      52-1893632
(State or other jurisdiction of           (I.R.S. Employer Identification No.)
incorporation or organization)    


                              6801 Rockledge Drive
                            Bethesda, Maryland 20817
                    (Address of principal executive offices)

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

                          Martin Marietta Corporation
                            Performance Sharing Plan
                            (Full title of the plan)

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

                           Stephen M. Piper, Esquire
                           Assistant General Counsel
                          Lockheed Martin Corporation
                              6801 Rockledge Drive
                            Bethesda, Maryland 20817
                                 (301) 897-6000
 (Name, address, including zip code, and telephone number, including area code,
                             of agent for service)

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

                        CALCULATION OF REGISTRATION FEE
<TABLE>
<CAPTION>
- ---------------------------------------------------------------------------------------------------
                                             Proposed           Proposed
                                              maximum           maximum
Title of securities       Amount to be    offering price       aggregate            Amount of
to be registered          registered(*)    per share(**)   offering price(**)  registration fee(**)
<S>                      <C>              <C>              <C>                 <C>
- ---------------------------------------------------------------------------------------------------
 
Common Stock, par
value $1.00 per share..    18,582,406     $26.52           $492,805,407.10     $169,934.09
</TABLE>
- --------------------------------------------------------------------------------

(*)  In addition, pursuant to Rule 416(c) under the Securities Act of 1933, this
     Registration Statement also covers an indeterminate amount of plan
     interests to be offered or sold pursuant to the plan to which this
     Registration Statement relates.

(**) At the time of the filing of this Registration Statement on Form S-8, there
     is no market for the Registrant's securities to be offered.  Accordingly,
     the fee has been computed, pursuant to Rule 457(h)(1) and guidance provided
     by the Office of Chief Counsel, based on the book value of the securities
     to be offered as of December 31, 1994.

- --------------------------------------------------------------------------------
<PAGE>
 
                                    PART II

               INFORMATION REQUIRED IN THE REGISTRATION STATEMENT


Item 3.  Incorporation of Documents by Reference.
         --------------------------------------- 

          The following documents filed by the Registrant, Martin Marietta 
Corporation, Lockheed Corporation or the Plan with the Securities and Exchange
Commission (the "Commission") are incorporated by reference and made a part
hereof:

          (a) The Registrant's Joint Proxy Statement/Prospectus filed pursuant
to Registration Statement No. 33-57645 on Form S-4 filed with the Commission on
February 9, 1995;

          (b) The description of the Registrant's Common Stock contained in the
Registrant's Registration Statement on Form 8-B filed with the Commission
pursuant to Section 12 of the Securities Exchange Act of 1934 (the "Exchange
Act") (as amended on Form 8-B/A filed on March 9, 1995), and any amendment or
report filed for the purpose of updating such description; and

          (c) Martin Marietta Corporation's Current Report on Form 8-K filed
with the Commission on February 13, 1995;

          (d) Martin Marietta Corporation's Current Report on Form 8-K filed
with the Commission on February 17, 1995;

          (e) Lockheed Corporation's Current Report on Form 8-K filed with the
Commission on February 21, 1995;

          (f) Martin Marietta Corporation Performance Sharing Plan Annual Report
on Form 11-K for the year ended December 31, 1993 filed with the Commission on
June 29, 1994; and

          (g) The Registrant's Current Report on Form 8-K filed with the
Commission on March 15, 1995.


          All documents subsequently filed by the Registrant, Martin Marietta
Corporation, Lockheed Corporation or the Plan pursuant to Sections 13(a), 13(c),
14 or 15(d) of the Exchange Act prior to filing of a post-effective amendment
which indicates that all securities offered have been sold or which deregisters
all securities then remaining unsold, shall be deemed to be incorporated by
reference into this Registration Statement and to be a part hereof from the date
of the filing of such documents.


Item 4.  Description of Securities.
         ------------------------- 

          Not Applicable

                                      -1-
<PAGE>
 
Item 5.  Interests of Named Experts and Counsel.
         -------------------------------------- 

          The Opinion of Counsel as to the legality of the securities being
issued (constituting Exhibit 5) has been rendered by counsel who is a full-time
employee of the Registrant and, as such, is eligible to participate in the Plan.


Item 6.  Indemnification of Directors and Officers.
         ----------------------------------------- 

          The Maryland General Corporation Law authorizes Maryland corporations
to limit the liability of directors and officers to the corporation or its
stockholders for money damages, except (a) to the extent that it is proved that
the person actually received an improper benefit or profit in money, property or
services, for the amount of the benefit or profit in money, property or services
actually received, (b) to the extent that a judgment or other final adjudication
adverse to the person is entered in a proceeding based on a finding that the
person's action or failure to act was the result of active and deliberate
dishonesty and was material to the cause of action adjudicated in the proceeding
or (c) in respect of certain other actions not applicable to the Registrant.
Under the Maryland General Corporation Law, unless limited by charter,
indemnification is mandatory if a director or an officer has been successful on
the merits or otherwise in the defense of any proceeding by reason of his or her
service as a director unless such indemnification is not otherwise permitted as
described in the following sentence. Indemnification is permissive unless it is
established that (a) the act or omission of the director was material to the
matter giving rise to the proceeding and was committed in bad faith or was the
result of active and deliberate dishonesty, (b) the director actually received
an improper personal benefit in money, property or services or (c) in the case
of any criminal proceeding, the director had reasonable cause to believe his or
her act or omission was unlawful.  In addition to the foregoing, a court of
appropriate jurisdiction may under certain circumstances order indemnification
if it determines that the director or officer is fairly and reasonably entitled
to indemnification in view of all the relevant circumstances, whether or not the
director or officer has met the standards of conduct set forth in the preceding
sentence or has been adjudged liable on the basis that a personal benefit was
improperly received in a proceeding charging improper personal benefit to the
director or officer.  If the proceeding was an action by or in the right of the
corporation or involved a determination that the director or officer received an
improper personal benefit, however, no indemnification may be made if the
individual is adjudged liable to the corporation, except to the extent of
expenses approved by a court of competent jurisdiction.

          Article XI of the charter of the Registrant limits the liability of
directors and officers to the fullest extent permitted by the Maryland General
Corporation Law.  Article XI of the charter of the Registrant also authorizes
the Registrant to adopt by-laws

                                      -2-
<PAGE>
 
or resolutions to provide for the indemnification of directors and officers.
Article VI of the By-laws of the Registrant provides for the indemnification of
the Registrant's directors and officers to the fullest extent permitted by the
Maryland General Corporation Law.  In addition, the Registrant's directors and
officers are covered by certain insurance policies maintained by the Registrant.


Item 7.  Exemption from Registration Claimed.
         ----------------------------------- 

     Not Applicable


Item 8.  Exhibits.
         -------- 

     4.  Martin Marietta Corporation Performance Sharing Plan.

     5.  Opinion of Stephen M. Piper, Esquire

  23-A.  Consent of Ernst & Young LLP (Washington, D.C.).

  23-B.  Consent of Ernst & Young LLP (Los Angeles, CA).

  23-C.  Consent of KPMG Peat Marwick LLP.

  23-D.  Consent of Arthur Andersen LLP.

  23-E.  Consent of Stephen M. Piper, Esquire (contained in Exhibit 5 hereof).

    25.  Powers of Attorney (included as an exhibit to a Registration Statement
         on Form S-8 relating to Lockheed Martin Corporation Directors Deferred
         Stock Plan filed by the Registrant with the Commission on March 15,
         1994 and incorporated herein by reference).

     The Registrant hereby undertakes that the Registrant will submit or has
submitted the Plan and any amendment thereto to the Internal Revenue Service
("IRS") in a timely manner and has made or will make all changes required by the
IRS in order to qualify the Plan.


Item 9.   Undertakings.
          ------------ 

     (a) The undersigned Registrant hereby undertakes:

          (1) To file, during any period in which offers or sales are being
made, a post-effective amendment to this registration statement:

              (i) To include any prospectus required by section 10(a)(3) of the
Securities Act of 1933;

                                      -3-
<PAGE>
 
          (ii)  To reflect in the prospectus any facts or events arising after
the effective date of the registration statement (or the most recent post-
effective amendment thereof) which, individually or in the aggregate, represent
a fundamental change in the information set forth in the registration statement;

          (iii)  To include any material information with respect to the
plan of distribution not previously disclosed in the registration statement or
any material change to such information in the registration statement;

     Provided, however, that subparagraphs (1)(i) and (1)(ii) do not apply if
the information required to be included in a post-effective amendment by those
paragraphs is contained in periodic reports filed by the Registrant pursuant to
section 13 or section 15(d) of the Securities Exchange Act of 1934 that are
incorporated by reference in the registration statement.

          (2) That, for the purpose of determining any liability under the
Securities Act of 1933, each such post-effective amendment shall be deemed to be
a new registration statement relating to the securities offered therein, and the
offering of such securities at that time shall be deemed to be the initial bona
fide offering thereof.

          (3) To remove from registration by means of a post-effective amendment
any of the securities being registered which remain unsold at the termination of
the offering.

     (b) The undersigned Registrant hereby undertakes that, for purposes of
determining any liability under the Securities Act of 1933, each filing of the
Registrant's annual report pursuant to section 13(a) or section 15(d) of the
Securities Exchange Act of 1934 (and, where applicable, each filing of an
employee benefit plan's annual report pursuant to Section 15(d) of the
Securities Exchange Act of 1934) that is incorporated by reference in the
registration statement shall be deemed to be a new registration statement
relating to the securities offered therein, and the offering of such securities
at that time shall be deemed to be the initial bona fide offering thereof.

     (c) Insofar as indemnification for liabilities arising under the Securities
Act of 1933 may be permitted to directors, officers and controlling persons of
the Registrant pursuant to the foregoing provisions, or otherwise, the
Registrant has been advised that in the opinion of the Securities and Exchange
Commission such indemnification is against public policy as expressed in the Act
and is, therefore, unenforceable.  In the event that a claim for indemnification
against such liabilities (other than the payment by the Registrant of expenses
incurred or paid by a director, officer or controlling person of the Registrant
in the successful defense of any action, suit or proceeding) is asserted by such
director, officer or controlling person in connection with the securities being
registered, the Registrant will, unless in the opinion of its

                                      -4-
<PAGE>
 
counsel the matter has been settled by controlling precedent, submit to a court
of appropriate jurisdiction the question whether such indemnification by it is
against public policy as expressed in the Act and will be governed by the final
adjudication of such issue.

                                      -5-
<PAGE>
 
                                   SIGNATURES


     Pursuant to the requirements of the Securities Act of 1933, the Registrant
certifies that it has reasonable grounds to believe that it meets all of the
requirements for filing on Form S-8 and has duly caused this registration
statement to be signed on its behalf by the undersigned, thereunto duly
authorized, in the County of Montgomery, State of Maryland.

                          LOCKHEED MARTIN CORPORATION

Date:  March 15, 1995      By:  /s/ Frank H. Menaker, Jr.
                                    ---------------------
                                    Frank H. Menaker, Jr.
                                    Vice President and
                                    General Counsel


     Pursuant to the requirements of the Securities Act of 1933, the trustees
(or other persons who administer the Plan) have duly caused this registration
statement to be signed on its behalf by the undersigned, thereunto duly
authorized, in the County of Montgomery, State of Maryland.

Date:  March 15, 1995           MARTIN MARIETTA CORPORATION
                                PERFORMANCE SHARING PLAN


                           By:  /s/ Thomas F. Kinstle
                                    -----------------
                                    Thomas F. Kinstle
                                    Vice President --
                                    Employee Benefits


     Pursuant to the requirements of the Securities Act of 1933, this report has
been signed below by the following persons in the capacities and on the date
indicated.
<PAGE>
 
     Signature                  Title                      Date
     ---------                  -----                      ----
                                                        
/s/  Daniel M. Tellep           Chairman of the            March 15, 1995
     ----------------           Board and Chief         
     Daniel M. Tellep*          Executive Officer       
                                and Director            
                                                        
/s/  Marcus C. Bennett          Senior Vice                March 15, 1995
     ---------------            President, Chief        
     Marcus C. Bennett*         Financial Officer       
                                and Director            
                                                        
/s/  Robert E. Rulon            Controller and Chief       March 15, 1995
     ---------------            Accounting Officer      
     Robert E. Rulon*

/s/  Norman R. Augustine        Director                   March 15, 1995
     -------------------
     Norman R. Augustine*

/s/  Lynne V. Cheney            Director                   March 15, 1995
     ---------------
     Lynne V. Cheney*

/s/  Edwin I. Colodny           Director                   March 15, 1995
     ----------------
     Edwin I. Colodny*

/s/  Lodwrick M. Cook           Director                   March 15, 1995
     ----------------
     Lodwrick M. Cook*

/s/  James L. Everett, III      Director                   March 15, 1995
     ---------------------
     James L. Everett, III*

/s/  Houston I. Flournoy        Director                   March 15, 1995
     -------------------
     Houston I. Flournoy*

/s/  James F. Gibbons           Director                   March 15, 1995
     ----------------
     James F. Gibbons*

/s/  Edward E. Hood, Jr.        Director                   March 15, 1995
     -------------------
     Edward E. Hood, Jr.*

/s/  Caleb B. Hurtt             Director                   March 15, 1995
     --------------
     Caleb B. Hurtt*

/s/  Gwendolyn S. King          Director                   March 15, 1995
     -----------------
     Gwendolyn S. King*
<PAGE>
 
     Signature                  Title                      Date
     ---------                  -----                      ----

/s/  Lawrence O. Kitchen        Director                   March 15, 1995
     -------------------
     Lawrence O. Kitchen*

/s/  Gordon S. Macklin          Director                   March 15, 1995
     -----------------
     Gordon S. Macklin*

/s/  Vincent N. Marafino        Director                   March 15, 1995
     -------------------
     Vincent N. Marafino*

/s/  Eugene F. Murphy           Director                   March 15, 1995
     ----------------
     Eugene F. Murphy*

/s/  Allen E. Murray            Director                   March 15, 1995
     ---------------
     Allen E. Murray*

/s/  Frank Savage               Director                   March 15, 1995
     ------------
     Frank Savage*

/s/  Carlisle A.H. Trost        Director                   March 15, 1995
     -------------------
     Carlisle A.H. Trost*

/s/  James R. Ukropina          Director                   March 15, 1995
     -----------------
     James R. Ukropina*

            *By:  /s/ Stephen M. Piper                     March 15, 1995
                      ----------------
                     (Stephen M. Piper, Attorney-in-fact**)

- --------------------
**By authority of Powers of Attorney filed with this Registration
  Statement on Form S-8
<PAGE>
 
                                 EXHIBIT INDEX

<TABLE> 
<CAPTION> 
     Exhibit                                                               Page
     Number                   Description                                   No.
     ------                   -----------                                  ----
     <S>      <C>                                                          <C> 
          4.  Martin Marietta Corporation Performance Sharing Plan.

          5.  Opinion of Stephen M. Piper, Esquire

       23-A.  Consent of Ernst & Young LLP (Washington, D.C.).

       23-B.  Consent of Ernst & Young LLP (Los Angeles, CA).

       23-C.  Consent of KPMG Peat Marwick LLP.

       23-D.  Consent of Arthur Andersen LLP.

       23-E.  Consent of Stephen M. Piper, Esquire (contained in Exhibit
              5 hereof).

         25.  Powers of Attorney (included as an exhibit to a Registration
              Statement on Form S-8 relating to Lockheed Martin Corporation
              Directors Deferred Stock Plan filed by the Registrant with the
              Commission on March 15, 1994 and incorporated herein by
              reference). 
</TABLE>

<PAGE>

                                                                       EXHIBIT 4
 
                                                               November 14, 1994



                          MARTIN MARIETTA CORPORATION
                          ---------------------------


                            PERFORMANCE SHARING PLAN
                            ------------------------





                        Effective April 2, 1993, Except

                             as Otherwise Provided
<PAGE>
 
                               Table of Contents


INTRODUCTION...............................................................   1
 
ARTICLE I..................................................................   1
 
DEFINITIONS................................................................   1
      (1)    ACCOUNT.......................................................   1
      (2)    ADMINISTRATIVE COMMITTEE......................................   1
      (3)    BASE SALARY...................................................   1
      (4)    BASIC CODA CONTRIBUTIONS......................................   1
      (5)    BASIC THRIFT CONTRIBUTIONS....................................   2
      (6)    BENEFICIARY...................................................   2
      (7)    BOARD OF DIRECTORS............................................   2
      (8)    CLOSING DATE..................................................   2
      (9)    CODA CONTRIBUTIONS............................................   2
      (10)   CODE..........................................................   3
      (11)   CORPORATION...................................................   3
      (12)   EMPLOYEE......................................................   3
      (13)   EMPLOYER......................................................   3
      (14)   EMPLOYING COMPANY.............................................   3
      (15)   EMPLOYMENT COMMENCEMENT DATE..................................   3
      (16)   ERISA.........................................................   4
      (17)   HIGHLY COMPENSATED EMPLOYEE...................................   4
      (18)   INVESTMENT FUNDS..............................................   4
      (19)   LIMITED PARTICIPANT...........................................   4
      (20)   MAKE-UP CONTRIBUTION:.........................................   4
      (21)   MATCHING CONTRIBUTION.........................................   4
      (22)   MONTHLY MATCHING CONTRIBUTION.................................   4
      (23)   PARTICIPANT...................................................   5
      (24)   PLAN..........................................................   5
      (25)   PLAN ADMINISTRATOR............................................   5
      (26)   PLAN YEAR.....................................................   5
      (27)   REEMPLOYMENT COMMENCEMENT DATE................................   5
      (28)   RETIREMENT....................................................   5
      (29)   ROLLOVER ACCOUNT..............................................   6
      (30)   SPECIAL CONTRIBUTION..........................................   6
      (31)   SPECIAL PARTICIPANT...........................................   6
      (32)   SPOUSE........................................................   6
      (33)   SPOUSE'S CONSENT..............................................   6
      (34)   SUPPLEMENTAL CODA CONTRIBUTIONS...............................   7
      (35)   SUPPLEMENTAL THRIFT CONTRIBUTIONS.............................   7
      (36)   THRIFT CONTRIBUTIONS..........................................   7
      (37)   TRANSFERRED EMPLOYEE..........................................   7
      (38)   TRUST.........................................................   8
      (39)   TRUST FUND....................................................   8
      (40)   TRUSTEE.......................................................   8
      (41)   VALUATION DATE................................................   8
 
<PAGE>
 
ARTICLE II..................................................................   9
 
EFFECTIVE DATE, ELIGIBILITY, AND PARTICIPATION..............................   9
      (1)    EFFECTIVE DATE.................................................   9
      (2)    ELIGIBILITY AND PARTICIPATION..................................   9
 
ARTICLE III.................................................................  11
 
CONTRIBUTIONS...............................................................  11
      (1)    CONTRIBUTION ELECTIONS.........................................  11
      (2)    CODA CONTRIBUTIONS.............................................  13
      (3)    THRIFT CONTRIBUTIONS...........................................  16
      (4)    MAKE-UP CONTRIBUTION...........................................  17
      (5)    ROLLOVER CONTRIBUTIONS.........................................  18
      (6)    CORPORATION MATCHING CONTRIBUTIONS.............................  19
             (a)     Amount.................................................  19
                     ------
             (b)     Determination..........................................  21
                     -------------
      (7)    LIMIT ON TOTAL CORPORATION CONTRIBUTIONS.......................  22
      (8)    MULTIPLE USE LIMITATION........................................  22
      (9)    PLAN TO PLAN TRANSFER..........................................  22
 
ARTICLE IV..................................................................  24
 
WITHDRAWALS.................................................................  24
      (1)    THRIFT, CODA, ROLLOVER, AND MATCHING
             CONTRIBUTIONS..................................................  24
      (2)    HARDSHIP WITHDRAWALS...........................................  25
      (3)    WITHDRAWAL AT AGE 59 1/2.......................................  27
      (4)    PROCEDURE FOR WITHDRAWAL.......................................  27
      (5)    VALUATION PROCEDURES...........................................  27
 
ARTICLE V...................................................................  28
 
PERFORMANCE SHARING TRUST...................................................  28
      (1)    CONTRIBUTIONS..................................................  28
      (2)    TRUST FUND.....................................................  28
      (3)    PURCHASE OF MARTIN MARIETTA CORPORATION
             SHARES.........................................................  29
      (4)    VOTING AND TENDERING OF MARTIN MARIETTA 
             CORPORATION SHARES.............................................  30
             (a)   In General...............................................  30
                   ----------
             (b)   Voting of Company Stock..................................  30
                   -----------------------
             (c)   Tender Offer.............................................  31
                   ------------
             (d)   Confidentiality..........................................  32
                   ---------------
             (e)   Distribution of Materials................................  32
                   -------------------------
             (f)   Procedures...............................................  33
                   ----------
 
ARTICLE VI..................................................................  34
 
ALLOCATIONS TO PARTICIPANTS.................................................  34

                                      ii
 
<PAGE>
 
      (1)   PARTICIPANT ACCOUNTS............................................  34
      (2)   VALUATION OF ACCOUNTS...........................................  37
      (3)   APPLICATION OF FORFEITURES......................................  37
      (4)   MAXIMUM ADDITIONS...............................................  37
 
ARTICLE VII.................................................................  45
 
ACCOUNT DISTRIBUTION:
  RETIREMENT; DISABILITY; DEATH; TRANSFER; LAYOFF; TERMINATION..............  45
      (1)   ELIGIBILITY FOR AND DISTRIBUTION OF ACCOUNT:
            RETIREMENT, DISABILITY, DEATH, AND LAYOFF.......................  45
      (2)   ELIGIBILITY FOR AND DISTRIBUTION OF ACCOUNT:
            OTHER TERMINATION OF EMPLOYMENT.................................  45
      (3)   ELIGIBILITY FOR AND DISTRIBUTION OF ACCOUNT: 
            TRANSFERS OF EMPLOYMENT.........................................  46
      (4)   PAYMENT OF PARTICIPANT ACCOUNT..................................  47
      (5)   OTHER DISTRIBUTIONS.............................................  50
      (6)   QUALIFIED DOMESTIC RELATIONS ORDERS.............................  50
      (7)   ADDITIONAL DISTRIBUTION RULES...................................  50
             (a)   Distributions of Small Amounts...........................  50
                   ------------------------------
             (b)   Distribution Due Dates...................................  51
                   ----------------------
             (c)   Minimum Distribution Requirements........................  51
                   ---------------------------------
             (d)   Rollovers to Other Plans.................................  53
                   ------------------------
 
ARTICLE VIII................................................................  55
 
LOANS TO PARTICIPANTS.......................................................  55
      (1)   AVAILABILITY OF LOANS TO PARTICIPANTS...........................  55
      (2)   TERMS AND CONDITIONS OF LOANS TO PARTICIPANTS...................  55
                             
             (a)   Amount of Loan...........................................  55
                   --------------
             (b)   Investment Status of Loan................................  56
                   -------------------------
             (c)   Application for Loan.....................................  56
                   --------------------
             (d)   Length of Loan...........................................  56
                   --------------
             (e)   Prepayment...............................................  57
                   ----------
             (f)   Notes, Interest, and Withholding.........................  57
                   --------------------------------
             (g)   Security.................................................  57
                   --------
             (h)   Other Terms and Conditions...............................  57
                   --------------------------
             (i)   No Prohibited Transactions...............................  58
                   ------------------------
 
ARTICLE IX..................................................................  59
 
ADMINISTRATION..............................................................  59
      (1)   FIDUCIARIES.....................................................  59
      (2)   ADMINISTRATIVE COMMITTEE........................................  59
      (3)   POWERS OF THE ADMINISTRATIVE COMMITTEE..........................  59
      (4)   UNIFORM ADMINISTRATION..........................................  60
      (5)   CONCLUSIVENESS OF ACTION........................................  60
      (6)   EMPLOYMENT OF COUNSEL...........................................  60
      (7)   ALLOCATION OR DELEGATION OF RESPONSIBILITIES 
            AND DUTIES......................................................  61

                                     iii
<PAGE>
 
      (8)   LIABILITY LIMITED...............................................  61
      (9)   INDEMNIFICATION AND INSURANCE...................................  61
 
ARTICLE X...................................................................  63
 
AMENDMENT, TERMINATION, MERGER, AND CONSOLIDATION                             63
      (1)   AMENDMENT OF PLAN:..............................................  63
      (2)   TERMINATION OF PLAN.............................................  63
      (3)   MERGER, CONSOLIDATION, OR TRANSFER..............................  63
      (4)   LIMITATIONS ON AMENDMENT OR TERMINATION.........................  64
 
ARTICLE XI..................................................................  65
 
CLAIMS PROCEDURE............................................................  65
      (1)   CLAIMS FOR BENEFITS.............................................  65
      (2)   REVIEW OF CLAIM.................................................  65
 
ARTICLE XII.................................................................  67
 
MISCELLANEOUS...............................................................  67
      (1)   TOP-HEAVY PROVISIONS............................................  67
      (2)   PROHIBITION AGAINST ALIENATION..................................  69
      (3)   RELATIONSHIP BETWEEN EMPLOYING COMPANIES AND
            EMPLOYEES.......................................................  69
      (4)   PARTICIPANTS' BENEFITS LIMITED TO ASSETS........................  70
      (5)   TITLES AND HEADINGS.............................................  70
      (6)   GENDER AND NUMBER...............................................  70
      (7)   APPLICABLE LAW..................................................  70
      (8)   INABILITY TO LOCATE PAYEE.......................................  70
      (9)   INCOMPETENCE OF PAYEE...........................................  71
      (10)  DEALING WITH THE TRUSTEE........................................  71
      (11)  RETURN OF CONTRIBUTIONS.........................................  71
      (12)  SEPARABILITY....................................................  72

                                      iv
<PAGE>
 
                          MARTIN MARIETTA CORPORATION

                            PERFORMANCE SHARING PLAN

                                  INTRODUCTION

          The Performance Sharing Plan (the "Plan") was established, effective
April 1, 1978, by the Board of Directors of Martin Marietta Corporation (the
"Corporation") to provide employees with the opportunity to participate in a
systematic, substantial, and personal savings and retirement program which will
provide a way to reward employees based on total Corporation performance.

          The Plan was amended, effective June 1, 1982, to expand the investment
options available to employees to include a Martin Marietta Common Stock Fund.
It was further amended, effective for payroll periods beginning on or after
October 1, 1983, to provide the tax savings and retirement incentives available
with a "cash or deferred arrangement" ("CODA") permitted under Section 401(k) of
the Internal Revenue Code.  Effective January 1, 1989, the Plan was amended and
restated to comply with the Tax Reform Act of 1986.  Effective December 1, 1990,
the Plan's participation, investment and withdrawal provisions were amended.

          Effective July 31, 1991, the procedure for investment transfers was
further liberalized by changing from 10% to 5% the increments in which
investment changes may be made.  Later in 1991, another amendment, effective
October 1, 1991, changed the Plan's definitions of Base Salary and Employees,
and clarified the Plan's provisions with regard to the timing of account
distributions.  Effective as of the closing date of the transaction contemplated
by the agreement executed by General Electric Company and Martin Marietta
Corporation on November 22, 1992, the Plan was amended and restated to provide
for the inclusion of additional participants in connection with such transaction
and to make other changes affecting all participants.   On January 14, 1993, the
Plan was again amended and restated to clarify various minor issues related to
the Plan and the General Electric transaction.  On May 2, 1994, the Plan was
further amended to provide for coverage of employees of General Dynamics
Corporation (and its affiliates) who became employees of the Company as of the
closing date of the December 21, 1993 Agreement.

          On June 24, 1994, an amendment to the Plan was adopted providing for
the transfer of the participant account balances of salaried employees from the
Martin Marietta
<PAGE>
 
Corporation Superior Stone Division Employees Profit Sharing Plan to this Plan.

             Lastly, on November 14, 1994, the Plan was again amended and
restated generally effective April 2, 1993.

          This Plan and the Trust created thereby are for the exclusive benefit
of participating employees and their beneficiaries.  They are designed to comply
with the Employee Retirement Income Security Act of 1974, as amended, and to
qualify under Section 401(a) of the Internal Revenue Code of 1986, as amended,
as a profit-sharing plan with a qualified cash or deferred arrangement as
defined in Section 401(k)(2) of the Code.  Except as provided in the Plan, in no
manner shall any assets in the Trust revert to the Corporation.

                                       2
<PAGE>
 
                                   ARTICLE I
                                  DEFINITIONS

          The following words and phrases when used in this Plan with an initial
capital letter, unless the context clearly indicates otherwise, shall have the
following meanings:

(1)   ACCOUNT:

      The individual interest of a Participant in the Trust Fund as determined
      as of each Valuation Date and reflected in the records maintained by the
      record-keeper designated by the Corporation for this purpose.

(2)   ADMINISTRATIVE COMMITTEE:

      The Administrative Committee provided for in Article IX.

(3)   BASE SALARY:

      Actual annual earnings of the Employee paid by an Employing Company,
      determined each pay period, and without regard to any salary reduction
      agreement described in Section (9) of this Article; including overtime,
      shift differential, salary continuation payments, commissions and other
      variable compensation plan payments, lump sum merit payments in lieu of a
      salary increase, any elective contributions made by an Employing Company
      on behalf of a Participant that are excludable from taxable compensation
      under Code Section 125, and rate guarantees; but excluding compensation
      for foreign services that is excludable by the Participant under Code
      section 911, sickness and accident benefits, discretionary incentive
      compensation, bonuses, severance pay, compensation in lieu of vacation
      time, any payments for education allowance, relocation allowance, overseas
      or domestic allowances, rental allowance, rental assistance, travel
      allowance, vacation allowance, mortgage allowance, imputed income and
      employer contributions (other than CODA Contributions or contributions
      under a plan subject to Code Section 125) to this or any other benefit
      plan.  Notwithstanding the foregoing, Base Salary shall not include any
      amount over $200,000, or, effective January 1, 1994, $150,000 (increased
      in accordance with Sections 401(a)(17) and 415(d) of the Code).

(4)   BASIC CODA CONTRIBUTIONS:

      Basic CODA Contributions are pre-tax contributions elected by a
      Participant pursuant to Article III(2)(a)(i).
<PAGE>
 
(5)   BASIC THRIFT CONTRIBUTIONS:

      Basic Thrift Contributions are after-tax contributions elected by a
      Participant pursuant to Article III(3)(a).

(6)   BENEFICIARY:

      The person or persons designated by the Participant to receive any payment
      from the Trust Fund after the death of a Participant.  A designation of a
      beneficiary other than the Participant's Spouse will not be valid unless
      accompanied by a Spouse's consent that complies with Article I(30).  Such
      person or persons shall be designated in writing on forms provided for
      this purpose by the Administrative Committee and may be changed from time
      to time by similar written notice to the Administrative Committee
      including a Spouse's Consent, if applicable.  In the absence of such a
      written designation, the Beneficiaries shall be (i) the Participant's
      Spouse or (ii) if there is no Spouse surviving the Participant, the
      Participant's heirs, in such proportions as they would inherit his estate
      in accordance with the applicable laws of intestacy.

(7)   BOARD OF DIRECTORS:

      The Board of Directors of the Corporation.

(8)   CLOSING DATE:

      April 2, 1993, the date of the closing of the November 22, 1992,
      transaction agreement executed by the Corporation, General Electric
      Company, and Parent Corporation.

(9)   CODA CONTRIBUTIONS:

      CODA Contributions are pre-tax contributions made under a "cash or
      deferred arrangement" by the Corporation on a Participant's behalf
      pursuant to an election by the Participant under which he agrees to have
      his Base Salary reduced by a specified percentage, and the Corporation
      agrees to contribute an amount equal to such reduction to the Plan as CODA
      Contributions.  All CODA Contributions shall be identified and separately
      accounted for either as Basic CODA Contributions or as Supplemental CODA
      Contributions.  CODA Contributions are intended to constitute employer
      Contributions made on an elective basis under a qualified cash or deferred
      arrangement within the meaning of Section 401(k)(2) of the Code.

                                       2
<PAGE>
 
(10)  CODE:

      The Internal Revenue Code of 1986, as amended from time to time.

(11)  CORPORATION:

      Martin Marietta Corporation.

(12)  EMPLOYEE:

      An employee of an Employing Company who is included in a group of
      employees designated by the Board of Directors as eligible for
      participation in this Plan, excluding, however, an employee who is not a
      citizen and resident of the United States.  To the extent required by Code
      Section 414(n), a "leased" worker shall be treated as an Employee but
      shall not be eligible to participate in this Plan.  To the extent required
      by Code Section 414(o), individuals who are not otherwise Employees shall
      be treated as Employees but shall not be eligible to participate in this
      Plan.

(13)  EMPLOYER:

      An Employing Company and those employers required to be aggregated with
      any Employing Company under Sections 414(b), (c), (m), or (o) of the Code.

(14)  EMPLOYING COMPANY:

      (a) The Corporation;
      (b) A member (or functional unit of a member) of a controlled group of
      corporations, within the meaning of Code Section 1563(a)(1), of which the
      Corporation is a common parent, determined without regard to Section
      1563(e)(3)(C) and which has been designated as an Employing Company by the
      Board of Directors (or its delegate); or
      (c) An entity (or functional unit of an entity) under common control,
      within the meaning of Code Section 414(c), with the Corporation and which
      has been designated as an Employing Company by the Board of Directors (or
      its delegate).

(15)  EMPLOYMENT COMMENCEMENT DATE:

      The date for which an employee is first employed by an Employing Company.

                                       3
<PAGE>
 
(16)  ERISA:

      The Employee Retirement Income Security Act of 1974, Pub. L. No. 93-406,
      88 Stat. 829, as amended from time to time.

(17)  HIGHLY COMPENSATED EMPLOYEE:

      An Employee who is a highly compensated employee under Section 414(q) of
      the Code.

(18)  INVESTMENT FUNDS:

      The separate funds described in Article VI(1)(d), in which CODA and Thrift
      Contributions and Matching Contributions to the Plan are invested.

(19)  LIMITED PARTICIPANT:

      An Employee who has either not yet met all the participation requirements
      of the Plan or who has not made a contribution election as provided in
      Article III, but who has transferred into the Trust Fund a Rollover
      Contribution as provided in Article III.  A Limited Participant shall be
      deemed a Participant for purposes of Articles IV through XII of this Plan.

(20)  MAKE-UP CONTRIBUTION:

      Contribution made by a Participant pursuant to Article III(4). For
      purposes of Articles IV through XII, Make-Up Contributions shall be deemed
      Thrift Contributions.  Make-Up Contributions attributable to missed Basic
      CODA and Basic Thrift Contributions shall be deemed Basic Thrift
      Contributions.  Make-Up Contributions attributable to missed Supplemental
      CODA and Supplemental Thrift Contributions shall be deemed Supplemental
      Thrift Contributions.

(21)  MATCHING CONTRIBUTION:

      Contributions made by the Employer pursuant to Article III (6).  For Plan
      Years beginning prior to January 1, 1992, Matching Contributions were
      referred to as Performance Sharing Distributions.

(22)  MONTHLY MATCHING CONTRIBUTION:

      The Monthly Matching Contribution is the portion of the Corporation's
      Matching Contribution that is made on a monthly basis for each Participant
      and is comprised of (i)

                                       4
<PAGE>
 
      all of the Matching Contribution allocable to the Accounts of Transferred
      Employees, and (ii) 25% of the Basic CODA and Basic Thrift Contributions
      for all other Participants, provided, however, that Monthly Matching
      Contributions shall be comprised of all Matching Contributions effective
      January 1, 1994.

(23)  PARTICIPANT:

      An Employee (or former Employee) who has met (or once met) all the
      requirements for participation in this Plan and has made a contribution
      election as provided in Article III and who continues to have rights or
      contingent rights to benefits under this Plan.

(24)  PLAN:

      The Martin Marietta Corporation Performance Sharing Plan, the terms of
      which are herein set forth.

(25)  PLAN ADMINISTRATOR:

      Martin Marietta Corporation.

(26)  PLAN YEAR:

      The twelve-month period beginning each January 1 and ending on the next
      following December 31.

(27)  REEMPLOYMENT COMMENCEMENT DATE:

      The first date on which a former employee, after having terminated
      service, is again employed by an Employing Company.

(28)  RETIREMENT:

      Termination from employment with the Employer on or after the date on
      which the Participant becomes eligible for early retirement under the
      terms of an applicable pension plan.  An applicable pension plan means a
      qualified pension plan maintained by an Employing Company providing
      retirement benefits for Employees.  For those Participants who are not
      eligible for retirement under the terms of an applicable pension plan,
      retirement shall be deemed to occur on termination of employment if such
      Participant has attained the age of 55, and has five years of service with
      the Employer.

                                       5
<PAGE>
 
(29)  ROLLOVER ACCOUNT:

      The portion of an Account reflecting Rollover Contributions made by the
      Participant or a Limited Participant as provided in Article III(4) and as
      adjusted each Valuation Date.

(30)  SPECIAL CONTRIBUTION:

      The property transferred to this Plan on behalf of a Participant or
      Special Participant pursuant to Article III(9).  For purposes of Articles
      IV through XII, Special Contributions shall be deemed Matching
      Contributions, or such other type of contribution as shall be deemed
      appropriate by the Plan Administrator.

(31)  SPECIAL PARTICIPANT:

      A participant or former participant of another plan whose account has been
      transferred to this Plan pursuant to Article III(9) and who is not an
      Employee otherwise eligible for participation in this Plan under Article
      II(2)(d).  A Special Participant shall be deemed a Participant for
      purposes of Articles IV through XII of this Plan.

(32)  SPOUSE:

      The lawful wife of a male Participant, or the lawful husband of a female
      Participant, on the date of the Participant's death.

(33)  SPOUSE'S CONSENT:

      A Spouse's Consent to the Participant's designation of a Beneficiary other
      than the Spouse which meets the requirements of this paragraph.  It must
      be in writing; it must acknowledge the effect of the selection of another
      Beneficiary; and the Spouse's signature must be witnessed by a Plan
      representative or notary public and acknowledged in writing on a form
      distributed for such purpose by a Plan representative or notary public.
      Notwithstanding this consent requirement, if the Participant establishes
      to the satisfaction of a Plan representative that such written consent
      cannot be obtained because:

             (a)  there is no Spouse;

             (b)  the Spouse cannot be located;

                                       6
<PAGE>
 
             (c) of other circumstances as the Secretary of the Treasury may by
             regulations prescribe,

      the Participant's Beneficiary designation will be considered valid.  Any
      consent required under this provision will be valid only with respect to
      the Spouse who signs the consent and only with respect to the Beneficiary
      designated in that consent.  A Spouse's Consent may be revoked at any time
      and upon revocation the alternate Beneficiary designation shall become
      invalid.

(34)  SUPPLEMENTAL CODA CONTRIBUTIONS:

      Supplemental CODA Contributions are pre-tax contributions elected by a
      Participant pursuant to Article III(2)(a)(ii).

(35)  SUPPLEMENTAL THRIFT CONTRIBUTIONS:

      Supplemental Thrift Contributions are after-tax contributions elected by a
      Participant pursuant to Article III(3)(b).

(36)  THRIFT CONTRIBUTIONS:

      Thrift Contributions are after-tax Contributions made to the Plan by a
      Participant pursuant to an election by the Participant to have a specified
      percentage of his Base Salary deducted from pay and contributed to the
      Plan as Thrift Contributions on his behalf.  All Thrift Contributions
      shall be identified and separately accounted for either as Basic Thrift
      Contributions or as Supplemental Thrift Contributions.  Thrift
      Contributions are intended to constitute employee Contributions within the
      meaning of Section 414(h)(1) of the Code.

(37)  TRANSFERRED EMPLOYEE:

      Any Employee of the Company who, on the day before the Closing Date, was
      employed by General Electric Company (or who was on layoff status) and
      became an Employee of the Company on or after the Closing Date as a result
      of the transaction pursuant to the agreement between the Company, General
      Electric Company, and Parent Corporation dated November 22, 1992 (the
      "Transaction Agreement"), as well as any Employee of the Company who,
      after the Closing Date, became employed with the Company in a facility or
      location of the Company that, prior to the Closing Date, was a facility or
      location of the Aerospace businesses of General Electric Company
      transferred to the Company as a result of the Transaction Agreement
      ("Aerospace Location"), provided, however, that no person shall become a
                              --------                                        
      Transferred Employee

                                       7
<PAGE>
 
      after the Closing Date who, prior to becoming employed at an Aerospace
      Location, was employed by the Company at a facility or location other than
      an Aerospace Location.  A person's status as a Transferred Employee shall
      not change if he is transferred to another Employing Company.

(38)  TRUST:

      The Trust established to receive the Contributions provided for in the
      Plan.

(39)  TRUST FUND:

      The assets held in the Trust under the Plan.

(40)  TRUSTEE:

      The Trustee(s) of the Trust Fund(s) established pursuant to this Plan,
      including any successor Trustee(s).

(41)  VALUATION DATE:

      The last business day of each calendar month.

                                       8
<PAGE>
 
                                   ARTICLE II

                 EFFECTIVE DATE, ELIGIBILITY, AND PARTICIPATION



(1)   EFFECTIVE DATE:

      The Plan, as amended and restated herein, is effective as of April 2,
      1993, or such other later date as indicated herein.

(2)   ELIGIBILITY AND PARTICIPATION:

      (a)    Each Employee who was a Participant immediately before the
             Effective Date shall continue as a Participant.  An Employee who
             was not a Participant, but was eligible to become one immediately
             before the Effective Date, may become a Participant thereafter by
             making an election as provided in subsection (d) of this Section.

      (b)    Each Transferred Employee shall be eligible to become a Participant
             as of the first day of employment by an Employing Company.

      (c)    An individual who does not qualify under (a) or (b) shall be
             eligible to become a Participant on the first pay period of the
             month following the latest of (i) the end of the six-month period
             beginning on his Employment Commencement Date or Reemployment
             Commencement Date; or (ii) the date on which he becomes an
             Employee.

      (d)    An Employee's prior active employment with General Dynamics shall
             be counted towards satisfying the requirement of (c) if the
             Employee falls within one of the following categories:

             (i)     Each Employee who was employed by General Dynamics on May
                     1, 1994 and who became an Employee on May 2, 1994;

             (ii)    Each Employee who was on layoff status with General
                     Dynamics as of May 1, 1994 and who was subsequently
                     recalled by an Employing Company.

             (iii)   Any person who, as of May 2, 1994, was receiving long term
                     disability benefits

                                       9
<PAGE>
 
                     under a Plan sponsored by an Employing Company for former
                     General Dynamics employees and who subsequently becomes an
                     Employee, if he or she does so within 30 days after he or
                     she is no longer eligible to receive long term disability
                     benefits.

      (e)    An Employee's prior active employment with Gould, Inc. shall be
             counted towards satisfying the requirement of (c) if the Employee
             was employed by Gould, Inc. on September 30, 1988 and became an
             Employee on October 1, 1988.

      (f)    A former Employee who previously met the requirements of subsection
             (a), (b), or (c) and again becomes an Employee shall be eligible to
             participate in the Plan on the first day of the first month
             following the date on which he again becomes an Employee.
             Otherwise, a former Employee will become eligible to participate in
             this Plan as provided in subsection (c).

      (g)    Participation in this Plan is voluntary.  Any Employee who is
             eligible to be a Participant may become a Participant as of the
             date specified in Article III(b) by completing and filing an
             application form provided by the Plan Administrator for that
             purpose or by performing other enrollment procedures required by
             the Plan Administrator, which shall include an agreement under
             which he elects CODA Contributions, Thrift Contributions, or both,
             in accordance with Article III.

      (h)    A Limited Participant shall be eligible to participate in the Plan,
             for the purpose of making a Rollover Contribution as provided in
             Article III as of his Employment Commencement Date or his
             Reemployment Commencement Date.

      (i)    A Special Participant shall be eligible to participate in the Plan
             for purposes of the investment and distribution of the Account
             established on his behalf as the result of the transfer of assets
             from another plan to this Plan pursuant to Article III(9).

                                      10
<PAGE>
 
                                  ARTICLE III
                                 CONTRIBUTIONS



(1)   CONTRIBUTION ELECTIONS:

      (a)    As required by Article II(2)(e), an Employee must enter into an
             agreement in a form acceptable to the Plan Administrator under
             which he elects CODA Contributions (see Section (2)), Thrift
             Contributions (see Section (3)), or both, in order to become a
             Participant.  Subject to the limitations of Sections (2) and (3) of
             this Article, the Participant's Contribution election must specify
             the percentages of the Participant's Base Salary to be contributed
             to the Trust Fund as CODA Contributions and/or Thrift
             Contributions.  The elected percentages must be in multiples of l%
             of Base Salary.  A Participant may elect Supplemental CODA
             Contributions or Supplemental Thrift Contributions only if the
             Basic CODA Contributions and Basic Thrift Contributions which will
             be made by him, or on his behalf, are at the maximum level
             permitted under Sections (2)(a)(i) and (3)(a) of this Article.

      (b)    A Participant's contribution election shall become effective as
             follows:

             (i)     An existing contribution election of an Employee who was a
                     Participant immediately before and after the Effective Date
                     shall remain in effect until such time as it is changed or
                     suspended in accordance with the terms of this Plan.

             (ii)    The contribution election of an Employee who has
                     voluntarily suspended contributions shall be effective as
                     of the first pay period of the month following the month
                     that the Plan Administrator receives the contribution
                     election, provided such receipt occurs on or before the
                     20th of the month.  If the Plan Administrator receives a
                     contribution election after the 20th of any month, such
                     election shall be effective as of the first pay period of
                     the second month following the month that the Plan
                     Administrator receives the contribution election.

                                      11
<PAGE>
 
             (iii)  The contribution election for any Employee who meets the
                    eligibility requirements of Article II (other than a
                    Participant described in subparagraphs (i), or (ii) above
                    shall be effective as of the first pay period of the month
                    following the month that the Plan Administrator receives the
                    contribution election, provided such receipt occurs on or
                    before the 20th of the month. If the Plan Administrator
                    receives a contribution election after the 20th of any
                    month, such election shall be effective as of the first pay
                    period of the second month following the month that the Plan
                    Administrator receives the contribution election.

      (c)    Subject to the limitations of Sections (2) and (3) of this Article,
             a Participant's Contribution election shall remain in effect until
             (i) the Participant changes or suspends the election as provided in
             subsection (d) of this Section, or (ii) the Participant is
             suspended from making contributions as a result of a withdrawal
             pursuant to Article IV(1) or IV(2).  If a Participant ceases to be
             an Employee, his Contribution election will be terminated, and no
             further CODA and Thrift Contributions will be made under this
             Article to the Plan unless and until he again becomes an Employee
             and a new agreement becomes effective.  In the event of an
             adjustment in Base Salary, the dollar amount of Contributions shall
             thereafter be automatically adjusted in accordance with the
             percentages set forth in the Contribution election which is in
             effect at the time the adjustment in Base Salary is made.

      (d)    A Participant may suspend or change the level of either category of
             CODA or Thrift Contributions effective as of the first pay period
             of the month after the Plan Administrator or his delegate receives
             notice of such modification of Contribution election provided such
             receipt occurs on or before the 20th of the month.  If the Plan
             Administrator receives notice of a contribution modification after
             the 20th of any month, such modification shall be effective as of
             the first pay period of the second month following the month that
             the Plan Administrator receives such notice.  The notice shall be
             in accordance with requirements established

                                      12
<PAGE>
 
             by the Plan Administrator for such purpose.  A Contribution
             election, as so modified, shall thereafter remain in effect as
             provided in subsection (c).

      (e)    Any CODA Contributions and Thrift Contributions made pursuant to a
             Participant's Contribution election shall be paid into the Trust
             Fund for investment according to the investment options selected by
             the Participant.  Such Contributions and earnings thereon shall not
             be subject to forfeiture.

(2)   CODA CONTRIBUTIONS:

      (a)    CODA Contributions consist of Basic CODA Contributions and
             Supplemental CODA Contributions.  A Participant may elect:

             (i)     Basic CODA Contributions at a rate of up to 6% (7% for
                     Employees with three or more years of service as of the
                     beginning of the Plan Year for which the Contribution is
                     being made) of his Base Salary for the portion of the Plan
                     Year during which he makes such Basic CODA Contributions,

             (ii)    Supplemental CODA Contributions at a rate of up to 9% (8%
                     for Employees with three or more years of service as of the
                     beginning of the Plan Year for which the contribution is
                     being made) of Base Salary, and

             (iii)   For any Transferred Employee, any additional Basic and
                     Supplemental CODA Contributions necessary in order to avoid
                     a reduction in CODA Contributions for the 1993 Plan Year
                     due to a delay, if any, in enrollment of such Transferred
                     Employee following the Closing Date, in accordance with
                     procedures established by the Plan Administrator.

      (b)    Notwithstanding the foregoing, CODA Contributions shall be subject
             to the following further limitations:

             (i)     The sum of a Participant's total CODA Contributions to this
                     Plan and elective deferrals to any other plan maintained by
                     the Employer shall not exceed the limitation

                                      13
<PAGE>
 
                     established pursuant to Section 402(g) of the Code for that
                     Plan Year; and

             (ii)    The CODA Contributions of any Highly Compensated Employee
                     shall be limited as necessary to ensure that the Plan
                     satisfies one of the two tests relating to CODA
                     Contributions contained in Section 401(k)(3)(A) of the Code
                     and Treasury Reg. 1.401(k)-1(b)(2).

             (iii)   At the election of the Plan Administrator, Qualified
                     Matching Contributions as defined in  Treasury Reg.
                     1.401(k)-1(g)(3) which were allocated to Participants for a
                     Plan Year may be treated as elective contributions for
                     purposes of satisfying the tests referred to in Article
                     III(2)(b)(ii).  In addition, the Corporation, on behalf of
                     Employing Companies, may make Qualified Nonelective
                     Contributions (as defined in Treasury Reg. (S)1.401(k)-
                     1(g)(13)) ("QNECs") for all or some Participants, which
                     shall be treated as elective contributions for purposes of
                     the tests referred to in Article III(2)(b)(ii).  These
                     QNECs shall be allocated among the Accounts of Participants
                     in proportion to their Compensation for the Plan Year,
                     except to the extent that the Plan Administrator elects by
                     written notice to allocate the QNECs only among specific
                     Participants in the manner it designates.  QNECs may not be
                     withdrawn before the date they could be withdrawn if deemed
                     CODA Contributions.

                     The Administrative Committee shall undertake to monitor the
                     level of CODA Contributions under the Plan in a manner that
                     will enable affected Participants to have advance notice,
                     whenever practicable, as to what level of CODA
                     Contributions will be accepted consistent with the
                     limitations set forth above.  Notwithstanding any other
                     provisions of this Article, the Administrative Committee
                     shall reduce the elected percentage of CODA Contributions
                     (beginning first with any Supplemental CODA Contributions),
                     if the Administrative Committee determines in its sole
                     discretion that such reduction is necessary to assure

                                      14
<PAGE>
 
                     compliance with the limitations set forth above.

      (c)    Once any Participant's CODA Contributions under this Plan and any
             other plans maintained by the Employer (or, for Plan Year 1993,
             General Electric Company) reach the limitation in Section 402(g) of
             the Code, Contributions for the rest of the Plan Year that would
             have been CODA Contributions but for the limitation in Code Section
             402(g) will be deemed to be Thrift Contributions.  If a Participant
             notifies the Plan Administrator in writing not later than the first
             March 1 following the close of the Participant's taxable year that,
             notwithstanding the first sentence of this paragraph, the sum of
             all the elective deferrals made by the Participant to all plans in
             which he participated in that taxable year exceeded the limitation
             in Section 402(g) of the Code, then the amount identified by the
             Participant as exceeding the limitation and the allocable portion
             of the income earned on the excess deferral during the Plan Year in
             which the Contribution was made shall be distributed to the
             Participant.

      (d)    If a Participant's elected percentage of CODA Contributions must be
             limited under paragraph (ii) of subsection 2(b) above the required
             reduction shall be recharacterized as Basic or Supplemental Thrift
             Contributions and retained in the Plan.  For the purposes of this
             subsection 2(d), CODA Contributions (beginning with Supplemental
             CODA Contributions) will be reduced for the Highly Compensated
             Employees with the highest percentage of CODA Contributions
             relative to the Employee's compensation as necessary to bring such
             CODA Contributions into compliance with such limitations.  The
             amount of the reduction shall be increased by the amount of any
             income (or decreased by the amount of any loss) allocable to the
             Plan Year for which the CODA Contribution was made.  In determining
             whether the limitations set forth above have been met, the
             Administrative Committee will use each Participant's compensation
             (as defined in Section 414(s) of the Code) for the portion of the
             Plan Year during which such individual was eligible to be a
             Participant.  Any reduction of an election of CODA Contributions
             under this subsection shall be made on a reasonable and
             nondiscriminatory basis.  Nothing contained in this subsection
             shall be interpreted to limit the Committee's right to reduce,
             curtail, or

                                      15
<PAGE>
 
             make a distribution of any form of Contributions under the Plan in
             order to satisfy the requirements of Article VI(4).

(3)   THRIFT CONTRIBUTIONS:

      Thrift Contributions consist of Basic Thrift Contributions and
      Supplemental Thrift Contributions.  A Participant may elect to make:

      (a)    Basic Thrift Contributions at a rate (applied to his Base Salary
             for the portion of the Plan Year during which he makes such Basic
             Thrift Contributions) up to the difference between 6% (7% for
             Employees who have at least three years of service by the beginning
             of the Plan Year for which the Contribution is being made) and the
             rate of Basic CODA Contributions in effect for the same pay period;

      (b)    Supplemental Thrift Contributions at a rate (applied to his Base
             Salary for the portion of the Plan Year during which he makes such
             Supplemental Thrift Contributions) up to the difference between 11%
             (10% for Employees with at least three or more years of service as
             of the end of the previous Plan Year) and the rate of Supplemental
             CODA Contributions in effect for the same pay period; and

      (c)    For any Transferred Employee, any additional Basic and Supplemental
             Thrift Contributions necessary in order to avoid a reduction in
             Thrift Contributions for the 1993 Plan Year due to a delay, if any,
             in enrollment of such Transferred Employee following the Closing
             Date, in accordance with procedures established by the Plan
             Administrator.

      (d)    Notwithstanding the foregoing, Thrift Contributions of any Highly
             Compensated Employee shall be limited as necessary to ensure that
             the Plan satisfies one of the two tests relating to Contributions
             contained in Section 401(m)(2)(A) of the Code and Treas. Reg.
             1.401(m)-1(b).

      (e)    The Administrative Committee shall undertake to monitor the level
             of Thrift Contributions under the Plan in a manner that will enable
             affected Participants to have advance notice, whenever practicable,
             as to what level of Thrift Contributions will be accepted
             consistent with the

                                      16
<PAGE>
 
             limitations set forth above.  Notwithstanding any other provisions
             of this Article, the Administrative Committee shall reduce the
             elected percentage of Thrift Contributions (beginning first with
             any Supplemental Thrift Contributions), if the Administrative
             Committee determines in its sole discretion that such reduction is
             necessary to assure compliance with the limitations set forth
             above.

      (f)    If a Participant's elected percentage of Thrift Contributions
             nevertheless exceeds the percentage that is permissible under the
             limitations set forth above, the Participant shall be deemed to
             have elected that the required reduction shall instead be
             distributed to him.  For the purposes of this section, Thrift
             Contributions (beginning with Supplemental Thrift Contributions)
             will be reduced for the Highly Compensated Employees with the
             highest percentage of Thrift Contributions and Matching
             Contributions relative to the Employee's compensation as necessary
             to bring such Thrift Contributions into compliance with such
             limitations.  The reduction shall be increased by the amount of any
             income (or decreased by the amount of any loss) allocable to the
             Plan Year for which the Thrift Contribution was made.  In
             determining whether the limitations set forth above have been met,
             the Administrative Committee will use each Participant's
             compensation (as defined in Section 414(s) of the Code) for the
             portion of the Plan Year during which such individual was eligible
             to be a Participant.  Any reduction of Thrift Contributions under
             this subsection shall be made on a reasonable and nondiscriminatory
             basis.  Nothing contained in this subsection shall be interpreted
             to limit the Committee's right to reduce, curtail, or make a
             distribution of any form of contributions under the Plan in order
             to satisfy the requirements of Article VI(4).

(4)   MAKE-UP CONTRIBUTION:

      Effective January 1, 1995, a Participant who returns to work after a
      qualified absence without pay may elect to make a Make-up Contribution on
      an after-tax basis.  The amount of the Make-Up Contribution shall be no
      greater than the sum of the CODA Contributions and Thrift Contributions
      the Participant would have made during the first six months of the
      qualified absence had he not been absent, based upon

                                      17
<PAGE>
 
      his compensation and contribution rate immediately prior to his absence.
      A Make-up Contribution may be made either in a lump sum payment within one
      month after return to work or by payroll deduction over a period not to
      exceed twelve months after return to work.  The amount of the permissible
      Make-up Contribution may be restricted by Internal Revenue Code
      limitations on a Participant's Contributions within a Plan Year.  For the
      purpose of this Article III(4), a qualified absence is a continuous
      absence of more than two weeks without pay for any reason for which an
      employee is granted credited service under any defined benefit plan of an
      Employing Company in which the Participant participates.

(5)   ROLLOVER CONTRIBUTIONS:

      (a)    Subject to the approval of the Administrative Committee, a
             Participant or a Limited Participant who:

             (i)     receives a distribution from an employee trust described in
                     Section 401(a) of the Code, which trust is exempt from tax
                     under Section 501(a) of the Code, or from an annuity plan
                     qualified under Section 403(a) of the Code, which
                     distribution represents an Eligible Rollover Distribution,
                     as defined in Section VII 7(d), or

             (ii)    has an individual retirement account, an individual
                     retirement annuity (other than an endowment contract), or a
                     retirement bond within the meaning of Section 408(a) or
                     Section 408(b) of the Code, respectively, the assets of
                     which are derived solely from a distribution described in
                     (i) above which was invested in such account, annuity or
                     bond within the 60 day period following the date such
                     distribution was made, may make a Rollover Contribution, or
                     have a Rollover Contribution made on his behalf, into the
                     Trust Fund.

             A Rollover Contribution must be made in cash in an amount equal to
             or less than the entire distribution described in (i) (plus any
             amount withheld by the distributing plan as income tax withholding
             and plus any earnings on such distribution while it was in a
             rollover individual retirement account) less the amount of employee
             Contributions referred to in Section 402(a)(5)(B) of the Code, or
             equal to or

                                      18
<PAGE>
 
             less than the full value of the account, annuity or bond described
             in (ii), whichever is applicable.  If a distribution described in
             (i) above consists of property other than cash, which has not been
             sold prior to the Contribution to the Trust Fund, then the maximum
             Rollover Contribution shall be further limited to the cash portion
             of that distribution.  Such Rollover Contribution may not be made
             later than the 60th calendar day after receipt of the distribution
             described in (i) or the full value of the account, annuity or bond
             described in (ii).

      (b)    A separate Rollover Account shall be established in the name of
             each Limited Participant or Participant who makes a Rollover
             Contribution.  The Rollover Account shall immediately be 100%
             vested and nonforfeitable.  No Matching Contributions will be made
             with respect to a Rollover Contribution.  A Rollover Contribution
             may be withdrawn on account of Hardship as described in Article IV
             or will otherwise be payable in accordance with the provisions of
             Article VII.

(6)   CORPORATION MATCHING CONTRIBUTIONS:

      (a)    Amount.
             ------ 

             (i)     Subject to the provisions of subsections (b) and (c), the
                     Corporation, on behalf of the Employing Companies, shall
                     make a Matching Contribution, as set forth in Article V, to
                     the Account of each Participant who was an Employee at the
                     end of a month in an amount equal to a percentage of the
                     Basic CODA and Basic Thrift Contributions and Make-Up
                     Contributions (to the extent attributable to missed Basic
                     CODA and Basic Thrift Contributions) made by or on behalf
                     of each such Participant.

             (ii)    The amount of the Matching Contribution for each
                     Transferred Employee (and, effective January 1, 1994, for
                     all Employees other than Transferred Employees) shall be
                     50% of such Transferred Employee's Basic CODA and Basic
                     Thrift Contributions and Make-Up Contributions (to the
                     extent attributable to missed Basic CODA and Basic Thrift
                     Contributions).  Subject to the provisions of subsection
                     (b), the amount of the

                                      19
<PAGE>
 
                     Matching Contribution for Employees other than Transferred
                     Employees for years prior to January 1, 1994 shall be based
                     on a Return on Shareholders' Equity (ROE) formula
                     calculated as follows:

                     (A)   The ROE for each year of the three years immediately
                           preceding such Plan Year shall be averaged.  For any
                           year in which the ROE was less than 10%, a 10% ROE
                           will be used for that year in calculating the
                           formula.

                     (B)   If the average ROE so calculated is greater than
                           11.7%, the three-year average ROE shall be used as
                           the midpoint and the Matching Contribution for such
                           Plan Year shall equal 50.5% of Basic CODA and Thrift
                           Contributions, as adjusted under the following
                           sentence.  For each 0.1% (rounded to the nearest
                           0.1%) by which the actual ROE for such Plan Year
                           varies, upward or downward, from the three-year
                           average, a 1.5% increase or decrease from the 50.5%
                           midpoint shall be made accordingly; provided,
                           however, that the Matching Contribution shall not be
                           greater than 100% or less than 25% of the Basic CODA
                           and Thrift Contributions made by or on behalf of the
                           Participant in such Plan Year; or

                     If the average ROE so calculated is 11.7% or less, the
Matching Contribution shall be determined as follows:

<TABLE> 
<CAPTION> 

             Actual ROE                Matching Contribution
         for Such Plan Year            as a percent of Basic            
     (rounded to nearest 0.1%)     CODA and Thrift Contributions 
     -------------------------     -----------------------------
     <S>                           <C> 
             Less than 10%                      25%

             10% to 14.9%                25% plus 1.5%
                                         for each 0.1%
                                         by which actual
                                         ROE exceeds 10%

             15% and Greater                    100%
</TABLE> 

                                      20
<PAGE>
 
                     (C) For any Plan Year for which the calculation of the 
                         Matching Contribution in accordance with paragraphs (A)
                         and (B) above is distorted by the occurrence during
                         such Plan Year of an extraordinary, non-recurring event
                         which, under generally accepted accounting principles,
                         is reported as one of the following components of the
                         Corporation's total net income: discontinued
                         operations, extraordinary items or cumulative effect of
                         an accounting change; the Board of Directors, in its
                         discretion, may declare a Matching Contribution based
                         on the Corporation's performance without taking into
                         account the effect of such extraordinary non-recurring
                         event. The calculations for subsequent Plan Years shall
                         be made in accordance with paragraphs (A) and (B) above
                         taking into account any action taken by the Board of
                         Directors pursuant to this paragraph (C).

             (iii)   For purposes of the Plan, Return on Shareholders' Equity
                     (ROE) means the quotient of Return divided by Shareholders'
                     Equity expressed as a percentage.  The term "Return" will
                     mean the Corporation's Net Earnings for the year.  The term
                     "Shareholders' Equity" will mean the average of
                     Shareholders' Equity at the beginning of the year and at
                     the end of the year.

      (b)    Determination.  The Administrative Committee shall determine the
             -------------                                                   
             amount of Matching Contribution to be contributed to the Plan.
             Such determination, and any determination under Section (6), shall
             be final and conclusive and shall not be subject to change as a
             result of a subsequent adjustment of the Corporation records.  The
             determination by the Administrative Committee of the Matching
             Contribution or the earnings on which such distributions are based
             shall be binding on the Trustee and all Participants and shall not
             be subject to review in any manner.  Neither the Trustee,
             Participants, nor any person interested in the Trust Fund shall
             have any right to question that

                                      21
<PAGE>
 
             action, the judgment of the Administrative Committee, the accuracy
             of the books of account or other data, or the method of accounting
             upon which the Administrative Committee might rely.  The Trustee
             shall have no right or duty to inquire into the amount of the
             Corporation's Contribution, but shall be accountable only for funds
             actually received.

      (c)    Matching Contributions are subject to the limitations contained in
             Code Section 401(m) and Treas. Reg. 1.401(m)-1.  If Matching
             Contributions allocated to a Participant and Thrift Contributions
             (if any) made by such Participant must be reduced to satisfy such
             limitations, then the required reduction shall be made first to
             such Participant's Supplemental Thrift Contributions.  If further
             reductions are necessary, then such reductions shall be made on a
             reasonable and nondiscriminatory way so as to maintain the Plan's
             compliance with Section 401(a)(4) of the Code as well as Sections
             401(k) and 401(m).

(7)   LIMIT ON TOTAL CORPORATION CONTRIBUTIONS:

      The total amount of Matching Contributions and CODA Contributions for a
      taxable year shall not be greater than the maximum amount of Contributions
      permitted by law as a tax deductible expense to the Employing Companies
      for such taxable year under Section 404 of the Code, or under any other
      applicable provisions of the Code.

(8)   MULTIPLE USE LIMITATION:

      CODA Contributions, Thrift Contributions, and Matching Contributions are
      also subject to the limitation contained in Code Section 401(m)(9) and
      Treas. Reg. 1.401(m)-2.  In order to ensure that the Plan complies with
      such limitation, the Administrative Committee may make reductions by
      employing any of the methods contained in Articles III(2)(c), III(3)(e),
      and III(5)(c) so long as such reductions are applied in a reasonable and
      nondiscriminatory manner.

(9)   PLAN TO PLAN TRANSFER:

      (a)    Subject to the approval and direction of the Administrative
             Committee, the Trustee may accept as part of the Trust Fund, assets
             and liabilities transferred from a plan qualified under Section

                                      22
<PAGE>
 
             401(a) and a trust qualified under Section 501(a) of the Code that
             is sponsored by an Employer or received as a result of a merger or
             consolidation of such a plan into this Plan.

      (b)    If such property is allocable to current Participants in the Plan,
             it shall be credited to Participants' Accounts in accordance with
             applicable law, as directed by the Administrative Committee.

      (c)    If such property is allocable to Special Participants, it shall be
             credited to accounts established for the Special Participants, as
             directed by the Administrative Committee.

      (d)    In no event, however, shall any Participant or Special Participant
             suffer the reduction or elimination of any optional form of benefit
             offered under the plan from which Special Contributions allocable
             to him or her was transferred.  However, any such optional form of
             benefit shall apply only to the Special Contributions and not to
             other Contributions made under this Plan.  Any Participant or
             Special Participant who is  in pay status at the time of the
             transfer shall remain in pay status after the transfer.

                                      23
<PAGE>
 
                                   ARTICLE IV
                                  WITHDRAWALS

(1)   THRIFT, CODA, ROLLOVER, AND MATCHING CONTRIBUTIONS:

      Subject to Section 3 below, a Participant who is still employed by an
Employer may withdraw, at any time after attaining age 59 1/2, all or part of
the portion of his Accounts in the Plan.  A Participant may, in the event of the
Participant's Hardship pursuant to Section 2 below, withdraw at any time prior
to reaching age 59 1/2 any portion of his Account attributable to his Thrift,
CODA (other than earnings on CODA Contributions after 1988), or Rollover
Contributions, provided that the Participant will be subject to a six-month
suspension of contributions to the Plan in accordance with Section 2 below.  In
addition, a Participant may withdraw certain amounts from the Plan under other
circumstances, as follows:

      (a)    A Participant who has not attained age 59 1/2 may make up to seven
             withdrawals for any purpose during any 12-month period of any
             portion of his Account attributable to Basic Thrift Contributions
             made to the Plan before 1987 or Supplemental Thrift Contributions
             (regardless of when made).  Any withdrawal exceeding the amount of
             Thrift Contributions made by a Participant on or prior to December
             31, 1986 (reduced by the amount of any prior withdrawals) shall
             include an allocable portion of income earned on the Participant's
             Thrift Contributions.

      (b)    A Participant who has not attained age 59 1/2 may make one
             withdrawal for any purpose during any 12-month period of any Basic
             Thrift Contributions made to the Plan after 1986 but before the
             Closing Date.

      (c)    A Participant who has not attained age 59 1/2 may withdraw any or
             all of the portion of his account attributable to his Basic Thrift
             Contributions made to the Plan after the Closing Date, provided
             that he will be subject to a six-month suspension from making any
             Thrift Contributions, after which suspension period he may resume
             making Thrift Contributions by entering into a new agreement in
             accordance with the requirements of Section (1) of Article III.

                                      24
<PAGE>
 
(2)   HARDSHIP WITHDRAWALS:

      (a)    A Participant may withdraw an amount from the portion of his
             Account attributable to CODA Contributions, Thrift Contributions,
             or Rollover Contributions on account of a Hardship.  A Participant
             shall be deemed to have incurred a Hardship only if he demonstrates
             to the satisfaction of the Administrative Committee that the
             distribution is necessary on account of an immediate and heavy
             financial need of the Participant and is necessary to satisfy the
             need.  The amount withdrawn may not exceed the amount determined by
             the Committee to be required to meet the immediate financial need
             and not reasonably available from other resources of the
             Participant and in no event may it exceed the Participant's total
             CODA, Thrift, and Rollover Contributions, reduced by any previous
             withdrawals and outstanding loans and increased by any income
             earned on CODA Contributions on or before December 31, 1988 and
             income allocated to Rollover and Thrift Contributions.  In
             determining the existence of a Hardship and the amount required to
             be distributed to meet the need created by the Hardship, the
             Committee shall act in accordance with uniform and
             nondiscriminatory standards and on the basis of such information
             and evidence as it shall reasonably require from the  Participant.
             Any withdrawal on account of hardship shall be paid first from a
             Participant's Thrift Contributions made prior to 1987, second from
             a Participant's Thrift Contributions made after 1986, third from
             Rollover Contributions, fourth from income earned on CODA
             Contributions prior to December 31, 1988, fifth from Supplemental
             CODA Contributions, and sixth from Basic CODA Contributions.

      (b)    A request for a withdrawal will be considered to be on account of
             an immediate and heavy financial need if the withdrawal is for

             (i)     unreimbursable expenses for medical care (as defined in
                     Section 213(d) of the Code) previously incurred by the
                     employee, the employee's spouse or any dependents of the
                     employee or necessary for these persons to obtain medical
                     care (as defined in Section 213(d) of the Code) in advance
                     of medical treatment;

                                      25
<PAGE>
 
             (ii)    costs directly related to the purchase of a principal
                     residence for the employee (excluding mortgage payments);

             (iii)   payment of tuition and related educational fees for the
                     next 12-months of post-secondary education for the
                     employee, or the employee's spouse, children or dependents;

             (iv)    payments necessary to prevent the eviction of the employee
                     from the employee's principal residence or foreclosure on
                     the mortgage on that residence; or

             (v)     other extraordinary and non-recurring events which in the
                     opinion of the Administrative Committee constitute a
                     hardship creating an immediate and heavy financial need.

      (c)    A withdrawal will generally be considered necessary to satisfy an
             immediate and heavy financial need if:

             (i)     the distribution is not in excess of the amount of the
                     immediate and heavy financial need (including, to the
                     extent requested by the Participant, any amounts necessary
                     to pay any income taxes or penalties reasonably anticipated
                     to result from the distribution);

             (ii)    the employee has obtained all distributions other than
                     hardship distributions, and all nontaxable loans currently
                     available under all plans maintained by the Employer; and

             (iii)   the Participant submits a written representation that the
                     need cannot be satisfied through reimbursement or
                     compensation by insurance or otherwise, liquidation of the
                     employee's assets, cessation of CODA and Thrift
                     Contributions, other distributions or loans from any
                     Employer's plan, or by borrowing from Commercial sources on
                     reasonable commercial terms.

      (d)    A Participant who withdraws any or all of the portion of his
             Accounts because of a Hardship shall have his CODA Contributions or
             any Thrift Contributions to this Plan suspended for a period of

                                      26
<PAGE>
 
             six months following such withdrawal (such suspension to be
             effective as soon as administratively practicable following such
             withdrawal) after which time he may resume making Thrift and/or
             CODA Contributions by entering into a new agreement in accordance
             with the requirements of Section (1) of Article III.

(3)   WITHDRAWAL AT AGE 59 1/2:

      Any Participant who is at least 59 1/2 may withdraw all or part of his
      Account attributable to Rollover Contributions, Matching Contributions and
      CODA Contributions, subject to the following limitations:

      (a)    Once such a withdrawal is made, another withdrawal under this
             Article IV(3) will not be permitted during the twenty-four month
             period following the date of the payment of the withdrawal to the
             Participant; and

      (b)    The minimum amount of any withdrawal authorized under this Article
             IV(3) is $1,000.

(4)   PROCEDURE FOR WITHDRAWAL:

      A Participant may withdraw amounts under this Article only upon following
      procedures established by the Plan Administrator.  Withdrawals shall be
      distributed as soon as practicable after completion of such procedures
      and, in the case of a Hardship withdrawal, determination of a Hardship in
      accordance with the Plan's normal processing standards.

(5)   VALUATION PROCEDURES:

      Each withdrawal shall be charged to the Participant's Account on the
      Valuation Date immediately preceding the date on which the distribution is
      determined in accordance with Article VI(2).  In the event that the
      portion (Thrift, CODA, or Rollover) of the Participant's Account from
      which the withdrawal is made is invested in more than one Investment Fund
      at the time of any withdrawal, the amount withdrawn shall be charged to
      each Investment Fund in proportion to the value of the investment of such
      portion of his Account in such Fund on such Valuation Date.

                                      27
<PAGE>
 
                                   ARTICLE V
                           PERFORMANCE SHARING TRUST

(1)   CONTRIBUTIONS:

      (a)    All Contributions under the Plan will be paid into a Trust Fund
             established pursuant to an agreement between the Corporation and
             the Trustee.  The Corporation's Monthly Matching Contribution shall
             be made to the Trust Fund as soon as practicable after the end of
             each month to which such Contribution is attributable.  The
             Corporation's Matching Contribution which is not a Monthly Matching
             Contribution will be made to the Trust Fund as soon as practicable
             after the end of each Plan Year, in one or more installments, but
             not later than the time prescribed by law for filing the
             Corporation's Federal income tax return for such Plan Year,
             including extensions thereof, provided, that, except as otherwise
             provided in Section VII(3), a Participant (other than a Participant
             who left the Plan during the Plan Year under the provisions of
             Section VII(1)) must be an Employee at the end of the Plan Year
             with respect to which such Matching Contribution (other than a
             Monthly Matching Contribution) is made.  CODA and Thrift
             Contributions will be transferred to the Trustee each month, but in
             no case later than 30 days after the end of the Plan Year.

      (b)    The Trust Fund will be held, invested, and disbursed by the Trustee
             from time to time acting in accordance with the provisions of the
             Plan and the Trust Agreement.  The Trustee, at its discretion, will
             also be entitled to vote all stock held in the Trust, other than
             shares in the Martin Marietta Common Stock Fund which will be voted
             in accordance with the provisions of Section (4).  All benefits
             payable under the Plan will be paid from the Trust Fund.

(2)   TRUST FUND:

      (a)    The Corporation has established a Performance Sharing Trust Fund
             pursuant to a trust agreement between the Corporation and Banker's
             Trust Company, New York, New York.

      (b)    The Board of Directors may, at its discretion, from time to time
             appoint an investment manager or

                                      28
<PAGE>
 
             managers or name a fiduciary to direct the Trustee with respect to
             the investment of all or any part of the Trust Fund.  The Trust
             Fund is for the exclusive benefit of Participants and their
             Beneficiaries and may also be used to pay any reasonable expenses
             arising from the operation of the Plan, including Trustee fees and
             expenses to the extent the latter are not paid directly by the
             Corporation.  In no event shall any part of the corpus or income of
             the Trust Fund be used for, or diverted to, any other purpose.  In
             no event shall any Contribution by the Corporation to this Trust
             Fund or income therefrom revert to the Corporation except as
             provided in Articles IX and XI(11).

      (c)    No person shall have any interest in or right to the Trust Fund or
             any part thereof, except as expressly provided in the Plan.

      (d)    No liability for payments under the Plan shall be imposed upon the
             Plan Administrator, the Administrative Committee, the Corporation,
             the Employing Companies, or the officers, directors, or
             stockholders of the Corporation or Employing Companies, except as,
             and only to the extent, expressly provided by law and none of the
             foregoing nor any fiduciary guarantees against investment loss or
             asset depreciation.

(3)   PURCHASE OF MARTIN MARIETTA CORPORATION SHARES:

      (a)    The Trustee shall purchase any Martin Marietta Corporation shares
             required for the Plan, or cause such shares to be purchased, in the
             open market or by private purchase, including purchase from the
             Corporation.  Any purchase from the Corporation shall be made at a
             price equal to the closing price per share as reported for New York
             Stock Exchange Composite Transactions on the date of purchase or,
             if no sales were made on that date, at the closing price on the
             next preceding day on which sales were made.  All purchases by the
             Trustee shall normally be made pursuant to a pre-existing, non-
             discretionary purchase agreement between the Corporation and the
             Trustee.

      (b)    The Trustee may temporarily hold in cash, may deposit at reasonable
             interest rates with banks and may invest in short-term cash
             equivalents which are highly liquid and of high quality, funds
             applicable

                                      29
<PAGE>
 
             to the purchase of Martin Marietta shares pending investment of
             such funds in such shares.

(4)   VOTING AND TENDERING OF MARTIN MARIETTA CORPORATION SHARES:

      (a)    In General.
             ---------- 

             Each Participant who has an account balance invested in the Martin
             Marietta Common Stock Fund, is for the purposes of Article V(4),
             hereby designated a named fiduciary with respect to any decision
             which under this Article V(4) is subject to Participant direction.
             The Trustee shall respond to a tender offer or vote shares of
             Martin Marietta Corporation Common Stock held in the Martin
             Marietta Common Stock Fund as of the applicable record date through
             proxy or consent, as the case may be, in each case in accordance
             with the directions of Participants received either directly by the
             Trustee or from a recordkeeping agent retained by the Trustee or
             the Corporation (the "Tabulation Service") with respect to such
             votes and tender offers.

      (b)    Voting of Company Stock.
             ----------------------- 

             Each Participant is entitled to direct the Trustee as to the manner
             in which shares of Martin Marietta Corporation Common Stock
             attributable to the investment of his Account in the Martin
             Marietta Common Stock Fund are to be voted.  Upon receipt of such
             instructions, either directly or through a Tabulation Service, the
             Trustee shall vote such shares as instructed.  Each Participant who
             issues timely and proper directions with respect to the shares of
             Martin Marietta Corporation Common Stock attributable to the
             investment of his Account in the Martin Marietta Common Stock Fund
             shall be deemed to have issued timely and proper directions with
             respect to a proportionate share of Martin Marietta Corporation
             Common Stock held in the Martin Marietta Common Stock Fund for
             which timely or proper directions were not received and the Trustee
             shall vote shares of Martin Marietta Common Stock for which the
             Trustee received no timely or proper voting instructions in the
             same manner and in the same proportion, as the shares for which the
             Trustee received timely and proper voting instructions are voted.

                                      30
<PAGE>
 
      (c)    Tender Offer.
             ------------ 

             (i)     Applicability.  The provisions of this Article V(4)(c)
                     -------------                                         
                     shall apply in the event any person, either alone or in
                     conjunction with others, makes a tender offer, exchange
                     offer, or otherwise offers to purchase or solicit an offer
                     to sell to such person one percent (1%) or more of the
                     outstanding shares of Martin Marietta Corporation Common
                     Stock (either singly in one offer or any offer which when
                     combined with all other offers made in the immediately
                     preceding twelve (12) months would exceed 1%) (herein
                     referred to as a "tender offer").  As to any such tender
                     offer, each Participant shall have the right to direct the
                     Trustee as to the response to be made with respect to the
                     shares attributable to the investment of his Account in the
                     Martin Marietta Common Stock Fund.

             (ii)    Instructions to Trustee.  A Trustee may not take any action
                     -----------------------                                    
                     in response to a tender offer except as otherwise provided
                     in this Article V(4)(c).  Each Participant is entitled to
                     direct the Trustee either directly or through the
                     Tabulation Service to sell, offer to sell, exchange or
                     otherwise dispose of the shares attributable to the
                     investment of his Account in the Martin Marietta Common
                     Stock Fund in accordance with the provisions, conditions
                     and terms of such tender offer and the provisions of this
                     Article V(4)(c) or to decline to sell, offer to sell,
                     exchange or otherwise dispose of such shares.  The Trustee
                     shall sell, offer to sell, exchange or otherwise dispose of
                     the shares with respect to which it has received timely and
                     valid directions to do so under this Article V(4)(c).  To
                     the extent to which Participants do not issue timely or
                     valid directions to the Trustee as to how to respond to the
                     tender offer with respect to shares attributable to
                     investments in the Martin Marietta Common Stock Fund, such
                     individuals shall be deemed to have directed the Trustee
                     that such shares shall remain

                                      31
<PAGE>
 
                     invested in Martin Marietta Corporation Common Stock.

      (d)    Confidentiality.  All instructions received by the Tabulation
             ---------------                                              
             Service and/or the Trustee from Participants regarding the voting
             or responding to a tender offer under this Article V(4)(c) shall be
             confidential and shall not be divulged to the Employer or to any
             director, officer, employee or agent of the Employer, it being the
             intent of this Article V(4) to ensure that the Employer (and its
             directors, officers, employees and agents) cannot determine the
             instructions given by any individual employee.

      (e)    Distribution of Materials.
             ------------------------- 

             (i)     Voting - Before each annual or special meeting of
                     ------                                           
                     shareholders of the Corporation there shall be sent by the
                     Corporation to the Trustee a copy of the proxy solicitation
                     material for such meeting, together with a form requesting
                     instructions to the Trustee on how to vote the shares
                     attributable to such Participant's investment of his
                     Account in the Martin Marietta Common Stock Fund.
                     Instructions to the Trustee shall be in such form and
                     pursuant to such regulations as the Administrative
                     Committee may prescribe.  The Trustee shall promptly
                     distribute the proxy solicitation materials and the
                     instruction form to each Participant.

             (ii)    Tender Offer - With respect to any tender offer, the
                     ------------                                        
                     Trustee shall distribute any materials made available to it
                     by the person issuing the tender offer as well as any
                     materials the Corporation or the Administrative Committee
                     considers appropriate or helpful to Participants in
                     responding to the tender offer and a form requesting
                     instructions to the Trustee as to how to respond to the
                     tender offer with respect to shares attributable to each
                     such Participant's investment of his Account in the Martin
                     Marietta Common Stock Fund.

                                      32
<PAGE>
 
      (f)    Procedures.  The Administrative Committee may from time to time
             ----------                                                     
             develop additional procedures for the distribution of materials and
             the collection and tabulation of Participant instructions by the
             Trustee.

                                      33
<PAGE>
 
                                   ARTICLE VI
                          ALLOCATIONS TO PARTICIPANTS


(1)   PARTICIPANT ACCOUNTS:

      (a)    An Account shall be established for each Participant.  The Plan
             Administrator shall keep appropriate books and records showing the
             respective interests of all the Participants hereunder or the Plan
             Administrator may delegate that responsibility to the Trustee or to
             a third party recordkeeper.

      (b)    The Corporation's Matching Contributions shall be allocated to and
             among the Participants to which such Contribution is applicable, as
             provided in Article III(5).

      (c)    CODA, Thrift and Rollover Contributions shall be allocated to the
             Participant's Account as of the Valuation Date for the month for
             which the Contribution is applicable, but no later than the last
             day of the Plan Year for which they are made.

      (d)    Each Participant must elect, at the time the Participant's Account
             is established, the Investment Fund or Funds (in 5% increments) in
             which Thrift, CODA, Matching,  and Rollover Contributions will be
             invested, according to the following options:

             (i)     Indexed Equity Fund ("Fund A") -- an equities fund invested
                     in common stock and designed by the Trustee to provide
                     investment results that closely approximate the overall
                     performance of the Standard and Poor's 500 Index.

             (ii)    Fixed Income Fund ("Fund B") -- a fixed income fund
                     invested in fixed income vehicles, including short-term
                     U.S. Treasury obligations or other obligations which carry
                     the full-faith and credit of the U.S. Government and
                     contracts with an insurance company or companies under
                     agreements which shall contain provisions that the
                     insurance company or companies will guarantee repayment in
                     full of such amounts transferred to the insurance company
                     or companies plus interest at a fixed annual rate for a
                     specified period.

                                      34
<PAGE>
 
             (iii)   Martin Marietta Common Stock Fund ("Fund C") -- a fund
                     invested, to the extent permitted by law, up to 100% in the
                     Corporation's common shares.

             (iv)    Intermediate Term Investment Grade Bond Fund ("Fund D") --
                     a Fund invested in publicly traded U.S. Treasury
                     obligations or other obligations which carry the full faith
                     and credit of the U.S. Government as well as corporate
                     fixed income securities with an average grade by Standard &
                     Poor's Corporation of AA (or equivalent grade by another
                     widely recognized bond rating organization) or better and
                     an average maturity of three to five years.

             (v)     Long Term Investment Grade Bond Fund ("Fund E") -- a Fund
                     invested in publicly traded U.S. Treasury obligations or
                     other obligations which carry the full faith and credit of
                     the U.S. Government as well as corporate fixed income
                     securities with an average maturity of approximately 10
                     years and an average grade by Standard & Poor's Corporation
                     of AA (or equivalent grade by another widely recognized
                     bond rating organization) or better.

             (vi)    Notwithstanding the foregoing, no portion of the Account of
                     a Participant who is an executive officer or director of
                     the Corporation may be invested in the Martin Marietta
                     Common Stock Fund except as set forth in subsection (e).
                     Also, notwithstanding the foregoing, the Trustee may, at
                     its sole discretion, invest amounts in money market funds,
                     checking accounts, or the like, pending investment in Funds
                     A, B, C, D, or E.

      (e)    Investments in the Martin Marietta Common Stock Fund attributable
             to Matching Contributions may be transferred to any other Fund by a
             Participant in accordance with paragraph (f) below; provided,
             however, that transfers by a Participant who is an executive
             officer or director may only be made pursuant to an election that
             (i) is made at least six months after the date of the Participant's
             last election to make a transfer into or out of the

                                      35
<PAGE>
 
             Martin Marietta Common Stock Fund, and (ii) occurs during the
             "window period" set forth in Securities and Exchange Commission
             Rule 16b-3(e)(3).

      (f)    A Participant may elect to change his investment election for
             future Rollover, Matching, CODA and Thrift Contributions once each
             calendar month in 5% increments.  Additionally, up to six times
             each Plan Year, a Participant may change the investment mix of the
             portion of his Account attributable to CODA, Thrift, Rollover or
             Matching Contributions by designating the proportion (in 5%
             increments) of previously invested Contributions and associated
             earnings to be invested in another Investment Fund described in
             subsection (d) above.  Notwithstanding the foregoing, except as
             provided in (e), a Participant who is an executive officer or
             director of the Corporation may not make transfers into or out of
             the Martin Marietta Common Stock Fund and a Participant who is
             receiving installment payments under Article VII(4)(c) may only
             invest his Account in the Fixed Income Fund or the Intermediate
             Term Investment Grade Bond Fund.

                     Any change pursuant to this subsection is to be by
             application to the Plan Administrator or his delegate in a manner
             designated by the Plan Administrator for that purpose.  Change of
             Investment Funds for future Contributions will be effective as of
             the first pay period of the month following the month that the Plan
             Administrator receives the investment election, provided such
             receipt occurs on or before the 20th of the month.  If the Plan
             Administrator receives an investment election after the 20th of any
             month, such election shall be effective as of the first pay period
             of the second month following the month that the Plan Administrator
             receives the investment election.  Reinvestment of all or part of
             an existing Account balance will be effective as of the close of
             business on the final business day of the month in which the Plan
             Administrator receives the investment election, provided that if
             the Plan Administrator receives the investment election after
             midnight of the final business day of any month but before the
             first day of the following month, then such investment election
             shall be effective as of the close of business of the final
             business day of the month after the month in which the Plan
             Administrator receives the investment election.

                                      36
<PAGE>
 
      (g)    If a Special Participant does not designate an investment fund for
             his or her Special Contributions, those Contributions shall be
             invested in the Fixed Income Fund ("Fund B"), until such time as
             the Special Participant designates an investment fund or receives a
             distribution of his Account.

(2)   VALUATION OF ACCOUNTS:

      As of each Valuation Date, the Trustee shall determine the Value of each
      Investment Fund.  As of any applicable date, the value of each Account
      shall be expressed in terms of its cash value.

(3)   APPLICATION OF FORFEITURES:

      As of the last day in each Plan Year, the Administrative Committee shall
      determine the total amount forfeited to the Plan during such Plan Year
      under Section XII(8).  Forfeitures shall be applied and used as soon as
      possible to reduce the Corporation's Matching Contribution.

(4)   MAXIMUM ADDITIONS:

      (a)    Notwithstanding anything contained herein to the contrary, the
             Annual Additions made to a Participant's Account for any Plan Year
             together with the Annual Additions on behalf of the Participant
             under any other Defined Contribution Plan of the Employer for the
             Plan Year shall not exceed the lesser of (i) $30,000 (or if
             greater, 1/4 of the dollar limitation in effect under Code Section
             415(b)(1)(A), or (ii) 25% of the Participant's Compensation for
             such Plan Year.  For purposes of this Section 4, the term "Annual
             Additions" shall include contributions to a Defined Contribution
             Plan sponsored by General Electric Company for 1993 and the term
             "Compensation" shall include Compensation in 1993 received from
             General Electric Company.

                     Annual Additions shall include all Employer Contributions
             allocated to a Participant's Account under this Plan (i.e.,
             Matching Contributions and CODA Contributions) and to his Account
             under any other Defined Contribution Plan of the Employer, plus all
             employee Contributions (including Thrift Contributions) but
             excluding any Rollover Contributions.

                                      37
<PAGE>
 
      (b)    If a Participant's Annual Additions would exceed the limitations of
             subsection (a), the necessary reductions in Annual Additions shall
             be made in the following order:  first, under this Plan, and
             secondly, under any other Defined Contribution Plan.  Any
             reductions required under this Plan, to satisfy the limitations of
             subsection (a), shall be made first, by reducing the amount of the
             Participant's Supplemental Thrift Contributions to the extent such
             reductions will reduce the Annual Additions; second, by reducing
             the amount of the Participant's Supplemental CODA Contributions;
             third, by reducing the amount of the Participant's Basic Thrift
             Contributions to the extent such reduction will reduce the Annual
             Additions, which shall thereby reduce the amount of related
             Matching Contributions; fourth, by reducing the amount of the
             Participant's Basic CODA Contributions, which shall similarly
             reduce the amount of related Matching Contributions; and fifth, by
             reducing any remaining Matching Contributions.

      (c)    If a Participant has at any time been a Participant in any Defined
             Benefit Plan maintained by an Employing Company, then for any Plan
             Year, the sum of the Defined Benefit Plan Fraction and the Defined
             Contribution Plan Fraction shall not exceed l.0.  If the
             limitations of this subsection (c) are exceeded, then the
             Participant's accrued benefit under the Defined Benefit Plan shall
             be reduced to the extent necessary to reduce the sum of the Defined
             Benefit Plan Fraction and the Defined Contribution Plan Fraction to
             1.0.  If after such reduction, the sum of these two fractions still
             exceeds 1.0, then the Participants' Annual Additions will be
             reduced in accordance with subsection (b).

      (d)    If, notwithstanding subsection (a) through (c), the Annual
             Additions to a Participant's Account for any Plan Year would cause
             the limitations contained in subsection (a) or (c) to be exceeded
             by reason of a reasonable error in estimating a Participant's
             Compensation, as a result of a reasonable error in determining the
             amount of CODA Contributions that may be made with respect to any
             Participant or other circumstances which the Internal Revenue
             Service deems sufficient to invoke the rules of this provision,
             then such Annual Additions shall be reduced to the extent necessary
             to satisfy such

                                      38
<PAGE>
 
             limitations in the following manner and in the following order:

             (i)     The first reduction shall consist of Supplemental Thrift
                     Contributions included in such Annual Additions, which,
                     together with any earnings attributable thereto, shall be
                     returned to such Participant;

             (ii)    The second reduction, if necessary, shall consist of Basic
                     Thrift Contributions included in such Annual Additions,
                     which, together with any earnings thereon, shall be
                     returned to such Participant and the Participant's Account
                     shall also be reduced by the amount of related Matching
                     Contributions, including any earnings attributable thereto;

             (iii)   The third reduction, if necessary, shall consist of CODA
                     Contributions, which, together with any earnings thereon,
                     shall be returned to such Participant; any reduction of
                     Basic CODA Contributions shall also cause the Participant's
                     Account to be reduced by the amount of related Matching
                     Contributions, including any earnings attributable thereto.

      (e)    Any reduction of Matching Contributions under subsection (d)(ii) or
             (iii), shall be held unallocated in a suspense account for that
             Plan Year and allocated in lieu of Matching Contributions for the
             next Plan Year (and succeeding Plan Years, as necessary) for all
             Participants in the Plan.  All investment gains or other income
             less investment losses allocated to the suspense account shall
             similarly be applied in lieu of Matching Contributions in the next
             Plan Year and succeeding Plan Years and treated as Annual Additions
             when allocated to Participants' Accounts.

      (f)    In applying subsection (c) to any Participant, the numerator of the
             Defined Contribution Plan Fraction for any Plan Year after 1982
             shall be reduced, but not below zero, by the amount (determined
             under regulations issued by the Secretary of the Treasury) by which
             the numerator of the Defined Contribution Plan Fraction for the
             1982 Plan Year must be reduced so that the sum of the Defined
             Benefit Plan Fraction

                                      39
<PAGE>
 
             and the Defined Contribution Plan Fraction for the 1982 Plan Year
             equals l.0.

      (g)    For purposes of this Section, the following definitions apply:

             (i)     "Defined Contribution Plan" and "Defined Benefit Plan"
                     shall have the meanings set forth in Section 415(k) of the
                     Code and the regulations thereunder.

             (ii)    "Defined Benefit Plan Fraction" for any Plan Year means a
                     fraction:  the numerator of which is the projected annual
                     benefit of a Participant (the annual benefit to which such
                     Participant would be entitled under the terms of the
                     Defined Benefit Plan on the assumptions that he continues
                     employment until his normal retirement age as determined
                     under the terms of such Defined Benefit Plan, or current
                     age, if older, that his Compensation continues at the same
                     rate as in effect in the Plan Year under consideration
                     until the date of his normal retirement age, or current
                     age, if older, and that all other relevant factors used to
                     determine benefits under such Defined Benefit Plan remain
                     constant as of the current Plan Year for all future Plan
                     Years) under all Defined Benefit Plans ever maintained by
                     any Employing Company determined as of the close of the
                     Plan Year, and the denominator of which is the lesser of:

                     (A)   the product of l.25 multiplied by the dollar
                           limitation in effect for such Plan Year under Section
                           415(b)(1)(A) of the Code, or, if greater, by the
                           Participant's 1982 Accrued Benefit under all Defined
                           Benefit Plans; or

                     (B)   the product of l.4 multiplied by the amount which may
                           be taken into account under Section 415(b)(1)(B) of
                           the Code with respect to the Participant under such
                           Plans for such Plan Year.

             (iii)   "Defined Contribution Plan Fraction" means a fraction:  the
                     numerator of which is the sum

                                      40
<PAGE>
 
                     of the Annual Additions to the Participant's accounts as of
                     the close of the Plan Year and all prior Plan Years under
                     all Defined Contribution Plans ever maintained by any
                     Employing Company, and the denominator of which is the sum
                     of the lesser of the following amounts determined for such
                     Plan Year and for each prior Plan Year included in the
                     Participant's service with the Employer:

                     (A)   the product of l.25 multiplied by the dollar
                           limitation in effect for such Plan Year under Section
                           415(c)(1)(A) of the Code (determined without regard
                           to Section 415(c)(6)); or

                     (B)   the product of l.4 multiplied by the amount which may
                           be taken into account under Section 415(c)(1)(B) of
                           the Code with respect to the Participant under such
                           Plans for the Plan Year.

             (iv)    At the election of the Administrative Committee, in
                     determining the Defined Contribution Plan Fraction with
                     respect to any Plan Year after 1982, the amount taken into
                     account under (iii) as the denominator with respect to each
                     Participant for all Plan Years before 1983 shall be an
                     amount equal to the product of:

                     (A)   the denominator of the Defined Contribution Plan
                           Fraction (computed under Section 415(e)(3)(B) of the
                           Code as in effect on December 31, 1982) for the 1982
                           Plan Year, multiplied by

                     (B)   the Transition Fraction.

             (v)     "Transition Fraction" means a fraction:  the numerator of
                     which is the lesser of

                     (A)   $51,875, or

                     (B)   l.4 multiplied by 25% of the Compensation of the
                           Participant for 1981; and the denominator of which is
                           the lesser of

                                      41
<PAGE>
 
                           (1)  $41,500, or

                           (2)   25% of the Compensation of the Participant for
                                 1981.

             (vi)    "1982 Accrued Benefit" means the Participant's accrued
                     benefit under all Defined Benefit Plans ever maintained by
                     an Employing Company, computed as of December 31, 1982,
                     when expressed as an annual benefit (within the meaning of
                     Section 415(b)(2) of the Code as in effect before the
                     enactment of the Tax Equity and Fiscal Responsibility Act
                     of 1982); provided, however, that there shall not be taken
                     into account any change in the terms and conditions of any
                     such Plan after July 1, 1982, nor any cost-of-living
                     adjustment occurring after July 1, 1982.

             (vii)   "Compensation" for a Plan Year shall include the following,
                     but not the items listed in clause (viii):

                     (A)   The Participant's wages, salaries, bonuses, fees for
                           professional services, and other amounts received
                           (without regard to whether or not an amount is paid
                           in cash) for personal services actually rendered in
                           the course of employment with any Employer, including
                           earned income from sources outside the United States
                           (as defined in Code Section 911(b)), whether or not
                           excludable from gross income under Section 911 or
                           deductible under Section 913;

                     (B)   Amounts received by the Participant through accident
                           and health insurance for personal injuries or
                           sickness, but only to the extent that these amounts
                           are includable in the Participant's gross income
                           under Code Sections 104(a)(3), 105(a) or (h);

                     (C)   Amounts paid or reimbursed by any Employer for moving
                           expenses incurred by a Participant, but only to the
                           extent that these amounts are not

                                      42
<PAGE>
 
                           deductible by the Participant under Code Section 217;

                     (D)   The value of a nonqualified stock option granted to a
                           Participant by any Employer, but only to the extent
                           that the value of the option is includable in the
                           gross income of the Participant for the taxable year
                           in which granted; and

                     (E)   The amount includable in the gross income of a
                           Participant upon his making an election under Code
                           Section 83(b) to include in income the value of
                           property transferred in connection with his
                           performance of services for any Employer in the
                           taxable year of the transfer.

             (viii)  "Compensation" for a Plan Year shall not include:

                     (A)   Contributions made by an Employer to this or any
                           other plan of deferred compensation to the extent
                           that, before the application of this Section and the
                           Code Section 415 limitations, the Contributions are
                           not includable in the Participant's gross income for
                           the taxable year in which contributed; Contributions
                           to simplified employee pension plans to the extent
                           deductible by the Participant under Code Section
                           219(b)(7); or distributions from a plan of deferred
                           compensation, other than an unfunded plan;

                     (B)   Amounts realized from the exercise of a nonqualified
                           stock option, or from the sale, exchange, or other
                           disposition of stock acquired under a qualified stock
                           option, or when restricted property held by a
                           Participant either becomes freely transferable or is
                           no longer subject to a substantial risk of
                           forfeiture; or

                                      43
<PAGE>
 
                     (C)   Other imputed income and amounts that receive special
                           tax benefits, such as premiums for group term life
                           insurance to the extent that they are not includable
                           in the Participant's gross income.

             (ix)    Solely for purposes of this Section, in applying the
                     definition of Employer, the phrase "more than 50 percent"
                     shall be substituted for the phrase "at least 80 percent"
                     wherever the latter phrase appears in Code Section
                     1563(a)(1).

                                      44
<PAGE>
 
                                  ARTICLE VII

                             ACCOUNT DISTRIBUTION:
          RETIREMENT; DISABILITY; DEATH; TRANSFER; LAYOFF; TERMINATION


(1)   ELIGIBILITY FOR AND DISTRIBUTION OF ACCOUNT: RETIREMENT, DISABILITY,
      DEATH, AND LAYOFF:

      (a)    A Participant shall be eligible to receive the entire amount to the
             credit of his Account in the event of the Participant's:

             (i)     Retirement from active service;

             (ii)    Total and permanent disability for which the Participant
                     would be eligible to receive long-term disability benefits
                     under an Employer's group insurance plan;

             (iii)   Death occurring while an Employee; or

             (iv)    Termination of employment by layoff due to lack of work.

      (b)    In the event of the death of a Participant, payment of such
             Participant's Account shall be made to his Beneficiary.

(2)   ELIGIBILITY FOR AND DISTRIBUTION OF ACCOUNT:  OTHER TERMINATION OF
      EMPLOYMENT:

      (a)    If the employment of a Participant is terminated otherwise than by
             Retirement, death, disability, or layoff due to lack of work, such
             Participant shall be eligible to receive the total amount in his
             Account.

      (b)    If a former Participant to whom a distribution was made under
             subsection (a) prior to the Closing Date again becomes an Employee
             before the expiration of five consecutive Plan Years, beginning
             with the Plan Year in which the employee separated from service,
             the amount which was previously forfeited, if any, will be restored
             to his Account upon the repayment to the Plan of the portion of the
             prior distribution attributable to Matching Contributions, valued
             as of the Valuation Date applicable to the date of the
             distribution.  Upon receipt of a properly completed notice to the
             Plan Administrator, the repayment will

                                      45
<PAGE>
 
             be credited to the Plan Years for which the distribution was made
             and the Participant will be 100 percent vested in his Account.
             Such repayment must be made before the later of (i) five years
             after the date of separation from service or (ii) two years after
             the date of re-employment.  For purposes of this paragraph, the
             first Plan Year in which an individual is absent from work on the
             last day of the Plan Year by reason of a maternity or paternity
             absence described in Section 203(b)(3)(E) of ERISA shall be
             disregarded.

(3)   ELIGIBILITY FOR AND DISTRIBUTION OF ACCOUNT:  TRANSFERS OF EMPLOYMENT:

      (a)    If a Participant is transferred to a class of employment not
             covered by this Plan, no further Contributions shall be made by or
             on behalf of such Participant under the Plan for the Plan Year in
             which the transfer occurred.  An Employee who transfers from one
             subsidiary, division, or business unit within the Employer shall
             not be eligible for a distribution.  Upon actual severance from
             service with the Employer, such Participant shall receive a
             distribution as set forth in Section (1) or (2) above, whichever is
             applicable.  The provisions of this Article VII (3) shall also
             apply in the case of a Participant(s) who is transferred to a class
             of employment not covered by the Plan by virtue of the
             Corporation's divestiture or sale of all or part of an Employing
             Company.  In such case, the Trustee, at the direction of the
             Administrative Committee, may transfer the Account of such
             Participant(s) to a trust qualified under Section 501(a) of the
             Code holding the assets of a plan qualified under Section 401(a) of
             the Code.

      (b)    A Participant who is transferred from Martin Marietta Corporation
             to Martin Marietta Specialty Components, Inc. ("MMSC") and who is
             not a Highly Compensated Employee as of the date of transfer may
             elect to have his or her Account transferred to the trust holding
             the assets of the Martin Marietta Specialty Components, Inc.
             Savings and Security Plan.  Elections under this subparagraph (b)
             must be effected as follows:

             (i)     A Participant who transferred to MMSC on or before November
                     14, 1994 must make his or her election no later than
                     January 14, 1994.

                                      46
<PAGE>
 
 (ii)        A Participant who transfers to MMSC after November 14, 1994, must
             make his or her election within six months after the date he or she
             is transferred.

 At the direction of the Administrative Committee, the Trustee shall effect the 
 transfer of the Accounts of those eligible Participants who make timely 
elections.


(4)   PAYMENT OF PARTICIPANT ACCOUNT:

      (a)    A terminated Employee or Beneficiary who is eligible for a
             distribution from the Plan pursuant to Section (1) or (2) shall
             make an application therefor to the Plan Administrator or his
             delegate in a manner designated by the Plan Administrator.  Unless
             a different election is in effect under subsection (b) or (c), the
             distribution will be made:

             (i)     As a single distribution as soon as practicable, in
                     accordance with the Plan's normal processing standards and
                     procedures.  The Valuation Date for the distribution will
                     be the last day of the month preceding the month in which
                     the Participant's payment record is submitted to the Plan's
                     recordkeeper.

                                      -OR-

             (ii)    If so requested by the Employee or Beneficiary on the
                     application, as a single distribution to be issued as soon
                     as practicable on or after the last day of February of the
                     next succeeding Plan Year in which such Employee's service
                     shall have terminated, valued as of the January 31 of such
                     succeeding Plan Year.

      (b)    (i)     An Employee may elect to make an irrevocable election that
                     the payment of his Account be deferred and be made in a
                     single lump sum payment as soon as practicable after his
                     attainment of age 65, or if so requested by the
                     Participant's surviving spouse, as a deferred lump sum
                     payment as soon as practicable after the surviving spouse's
                     attainment of age 65, (or if earlier, the

                                      47
<PAGE>
 
                     date on which the Employee would have attained age 70 1/2),
                     or as a single lump sum distribution as described in
                     Sections 4(a)(i) and (ii) above.  The deferred lump sum
                     payment will be paid in a lump sum equal to its value on
                     the last day of the month in which the Employee (or
                     surviving spouse) attains age 65 (or would have attained
                     age 70 1/2 where applicable).

             (ii)    Effective January 1, 1995, an Employee may elect to defer
                     payment and may at any time thereafter prior to reaching
                     age 70 1/2, elect to receive a lump sum distribution or, at
                     any time after reaching age 55 but prior to age 70 1/2,
                     elect to receive annual installments pursuant to subsection
                     (c). The Valuation Date for the lump sum distribution will
                     be the last day of the month preceding the month in which
                     the Participant's application is submitted to the Plan's
                     recordkeeper.

      (c)    An Employee whose employment terminates on or after age 55 and who
             has 5 years of service, and effective January 1, 1995, an Employee
             or terminated Employee who is between 55 and 70 and 1/2 years old
             may elect to have his Account paid to him in annual installments
             over a fixed number of years, not to exceed the lesser of 25 years
             or the number of years until the Participant's attainment of age
             84, as follows:

             (i)     The first annual payment will be made as soon as
                     practicable, on or after the last day of the month in which
                     the Participant elects to have the installment payment
                     begin, but in no event later than the time specified in
                     Section 4(a)(ii).  All subsequent installments will be paid
                     on each succeeding anniversary of the first installment or
                     as soon as practicable thereafter.  The amount of each
                     annual payment will be determined by dividing the value of
                     the Employee's account balance (determined in accordance
                     with subsection (iv) below) by the number of years
                     remaining in the payment schedule.

                                      48
<PAGE>
 
             (ii)    Each Employee who elects the installment option may also
                     elect to make interim withdrawals of amounts not less than
                     $1,000 at any time after the payment of the first
                     installment has been made; provided that an Employee who
                     elects such an interim withdrawal may not make another
                     interim withdrawal for at least 24 months following the
                     Employee's prior interim withdrawal.

             (iii)   In the event that at any Valuation Date, the balance in an
                     Employee's Account is $1,000 or less, the entire Account
                     balance will be distributed to him on the next date for
                     which an installment payment is scheduled or an interim
                     withdrawal is elected.  Such distribution will be in full
                     satisfaction of such Employee's rights under this Plan.

             (iv)    In the event the Participant dies prior to a complete
                     distribution of his Account, the balance of his Account
                     will be paid in a single lump sum payment to his
                     Beneficiary in accordance with (a) or (b) above.

             (v)     All payments under this paragraph 4(c) shall be valued as
                     of the Valuation Date preceding the month in which the
                     payment is scheduled to be made.

             (vi)    Once an Employee has elected the installment option
                     provided in this paragraph 4(c), his entire Account balance
                     will be transferred to the Fixed Income Fund.

      (d)    With respect to the portion of an Account invested in the Indexed
             Equity Fund, the Fixed Income Fund, or the Intermediate Term
             Investment Grade Bond Fund, distributions shall be made in cash.
             With respect to the portion of an Account invested in the Martin
             Marietta Common Stock Fund, distributions shall be made in shares
             of the Corporation (with cash in lieu of any fractional share)
             unless cash is requested.

      (e)    Notwithstanding subsections (a) and (b), no distribution shall be
             made pursuant to Section (4) if, at the time such distribution
             would be made, the Participant has been reemployed by an Employing
             Company.

                                      49
<PAGE>
 
(5)   OTHER DISTRIBUTIONS:

      (a)    In the event that a loan made to a Participant under Article VIII
             is in default and the Administrative Committee determines that it
             is necessary for a distribution to be made under the Plan in order
             to cure such default and that such a distribution could be made
             under the terms of this Plan and Treas. Reg. (S)1.401(k)-1(d), the
             Committee, with notice to the Participant, shall cause a
             distribution to be made on behalf of the Participant under the Plan
             which shall be applied by the Committee to the unpaid balance of
             the loan, including accrued interest.  Such distribution shall be
             charged against the Participant's Account in the following manner:
             first, to the portion attributable to Supplemental Thrift
             Contributions; second, to the portion attributable to Supplemental
             CODA Contributions, if the Participant is over age 59-l/2; third,
             to the portion attributable to Basic Thrift Contributions; fourth,
             to the portion attributable to Basic CODA Contributions, if the
             Participant is over age 59-l/2; fifth, to the portion attributable
             to Supplemental, and then Basic, CODA Contributions qualifying for
             withdrawal under Article IV(2); and sixth, to the portion
             attributable to Matching Contributions.  Any such distribution
             shall be treated as a withdrawal by the Participant and shall be
             subject to whatever restrictions are applicable under Article IV.

(6)   QUALIFIED DOMESTIC RELATIONS ORDERS:

      Payments shall be made in accordance with any order determined by the Plan
      Administrator to be a qualified domestic relations order except that
      payments may be made only in the form of a lump sum distribution in
      accordance with Article VII (4).  Notwithstanding the foregoing, a payment
      under a qualified domestic relations order may commence at the time set
      forth in the order, even if such time would be earlier than the date on
      which the amount would otherwise be payable to the Participant under
      Article VII(1) or (2).

(7)   ADDITIONAL DISTRIBUTION RULES:

      (a)    Distributions of Small Amounts.
             ------------------------------ 

             In the event a Participant's Account exceeds $3500 as of the
             Valuation Date immediately preceding his

                                      50
<PAGE>
 
             termination of employment, then his Account will not be distributed
             to him prior to his attainment of age 65 without written consent of
             the Participant.  If a Participant's Account is $3500 or less as of
             such date, then the Account shall be distributed in a single lump
             sum without consent of the Participant.

      (b)    Distribution Due Dates.  The distribution of a Participant's
             ----------------------                                      
             Account shall begin not later than the sixtieth day after the close
             of the Plan Year in which the latest of the following dates 
             occurs -

             (i)     the date on which the Participant attains age 65;

             (ii)    the tenth anniversary of the year in which the Participant
                     commenced participation in the Plan; or

             (iii)   the date on which the Participant terminates service with
                     the Employer.

      (c)    Minimum Distribution Requirements.
             --------------------------------- 

             The provisions of this Article VII(7)(c) shall apply
             notwithstanding any other provision of the Plan to the contrary.
             Article VII(7)(c) shall be applied in accordance with Section
             401(a)(9) of the Code and any regulations issued under that
             Section, including the minimum distribution incidental benefit
             requirement contained in Section 401(a)(9)(G) of the Code.
   
             (i)     Commencement of benefit payments.
                     -------------------------------- 

                     Notwithstanding any provision in this Plan to the contrary,
                     payment of a Participant's Account must commence no later
                     than the first day of April of the calendar year following
                     the year in which the Participant attains age 70 1/2;
                     provided however that in the case of a Participant who
                     attains age 70 1/2 before January 1, 1988, payment need not
                     commence until the first day of April of the calendar year
                     following the calendar year in which the later of the
                     Participant's attainment of age 70 1/2 or retirement.

                                      51
<PAGE>
 
             (ii)    Death of the Participant.
                     ------------------------ 

                     If the Participant dies after payment of his interest has
                     commenced, the remaining portion of such interest shall be
                     paid at least as rapidly under the method of payment being
                     used prior to the Participant's death.  If the Participant
                     dies before payment of his interest commences, the
                     Participant's entire interest must be completed by December
                     31 of the calendar year containing the fifth anniversary of
                     the Participant's death except to the extent that an
                     election is made to receive payment in accordance with (x)
                     or (y) below:

                           (x)   if any portion of the Participant's interest is
                                 payable to a designated beneficiary and such
                                 payments are to be made over the life or life
                                 expectancy of the designated beneficiary, such
                                 payments shall commence no later than December
                                 31 of the calendar year immediately following
                                 the calendar year of the Participant's death;

                           (y)   if, however, the designated beneficiary
                                 referred to in (x) is the Participant's
                                 surviving Spouse, the date on which payments
                                 are required to begin in accordance with (x)
                                 above is not required to be earlier than the
                                 later of (1) December 31 of the calendar year
                                 immediately following the calendar year in
                                 which the Participant died, or (2) December 31
                                 of the calendar year in which the Participant
                                 would have attained age 70 1/2; if, however,
                                 the Spouse dies before such payments begin,
                                 subsequent payments shall be made as if the
                                 Spouse had been the Participant.

                                      52
<PAGE>
 
                           Any election must be made before distributions would
                           commence under (x) or (y).

      (d)    Rollovers to Other Plans:
             ------------------------ 

             (i)     Notwithstanding any contrary provision of the Plan, a
                     Distributee may elect, at the time and in the manner
                     prescribed by the Plan Administrator, to have any portion
                     of an Eligible Rollover Distribution paid directly to an
                     Eligible Retirement Plan specified by the Distributee in a
                     Direct Rollover.

             (ii)    The special capitalized terms used only in this Section
                     shall have the meanings specified below:

                     (A)   "Eligible Rollover Distribution" means any
                           distribution of all or any portion of the balance to
                           the credit of the Distributee, except that an
                           Eligible Rollover Distribution does not include:  (1)
                           any distribution that is one of a series of
                           substantially equal periodic payments (not less
                           frequently than annually) made for the life (or life
                           expectancy) of the Distributee or the joint lives (or
                           joint life expectancies) of the Distributee and the
                           Distributee's designated Beneficiary, or for a
                           specified period of ten years or more; (2) any
                           distribution to the extent such distribution is
                           required under Section 401(a)(9) of the Code; and (3)
                           the portion of any distribution that is not
                           includable in gross income (determined without regard
                           to the exclusion for net unrealized appreciation with
                           respect to employer securities).

                     (B)   "Eligible Retirement Plan" means an individual
                           retirement account described in Section 408(a) of the
                           Code, an individual retirement annuity described in
                           Section 408(b) of the Code, an annuity plan described
                           in

                                      53
<PAGE>
 
                           Section 403(a) of the Code, or a qualified trust
                           described in Section 401(a) of the Code, that accepts
                           the Distributee's Eligible Rollover Distribution.
                           However, in the case of an Eligible Rollover
                           Distribution to a surviving Spouse, only an
                           individual retirement account or individual
                           retirement annuity shall be an Eligible Retirement
                           Plan.

                     (C)   "Distributee" means an Employee or former Employee.
                           In addition, the Employee's or former Employee's
                           surviving Spouse and the Employee's or former
                           Employee's Spouse or former Spouse who is the
                           alternate payee under a qualified domestic relations
                           order, as defined in Section 414(p) of the Code, are
                           Distributees with regard to the interest of the
                           Spouse or former Spouse.

                     (D)   "Direct Rollover" means a payment by the Plan to the
                           Eligible Retirement Plan specified by the
                           Distributee.

             (iii)   The provisions of this subsection VII(7)(d) shall apply
                     only to distributions made after December 31, 1992 and only
                     to the extent required by the plan qualification rules of
                     Section 401(a) of the Code.

                                      54
<PAGE>
 
                                  ARTICLE VIII
                             LOANS TO PARTICIPANTS

(1)   AVAILABILITY OF LOANS TO PARTICIPANTS:

      (a)    The Administrative Committee may, in its discretion and effective
             at such time as it specifies, provide for the availability of loans
             from the Plan to Employees on whose behalf CODA Contributions have
             been made and any other Participant or Beneficiary who is a party
             in interest within the meaning of Section 3(14) of ERISA.  If the
             Administrative Committee institutes such a loan program, the loans
             shall be made pursuant to the provisions and limitations of this
             Article.

      (b)    No loan shall be made by the Plan without the approval of the
             Administrative Committee or its delegate, whose action thereon
             shall be final.  No loan shall be made to a Participant who is not
             an Employee of an Employing Company or a party in interest within
             the meaning of Section 3(14) of ERISA at the time the loan
             application is made to the Committee.

      (c)    The Administrative Committee may establish rules governing the
             granting of loans, provided that such rules are not inconsistent
             with the provisions of this Article and that loans are made
             available to all Participants on a reasonably equivalent basis.
             These rules may limit the number of loans a Participant may
             receive, require payment of loan processing fees by the Participant
             (either directly or out of his Account) or establish any other
             requirements the Administrative Committee determines to be
             necessary or desirable.

(2)   TERMS AND CONDITIONS OF LOANS TO PARTICIPANTS:

      Any loan by the Plan to a Participant shall satisfy the following
      requirements:

      (a)    Amount of Loan.
             -------------- 

             At the time the loan is made, the principal amount of the loan,
             plus the outstanding balance (principal plus accrued interest) due
             on any other loans to the Participant from the Plan, shall not
             exceed the lesser of (i) $50,000 or (ii) one-half of the value of
             the Participant's Account.  The $50,000 limit

                                      55
<PAGE>
 
             shall be reduced by the highest outstanding balance of all
             qualified retirement plan loans to the Participant during the one-
             year period ending on the day before the date on which the loan is
             made.  A "qualified retirement plan loan" is any loan from this
             Plan or any other qualified retirement plan of the Employer.

      (b)    Investment Status of Loan.
             ------------------------- 

             Each loan shall be treated as an investment of the Trust Fund as a
             whole or, if the Administrative Committee so directs, as an
             investment of a specified portion of the Trust Fund, such as a
             borrower's Account.

      (c)    Application for Loan.
             -------------------- 

             The Participant must give the Administrative Committee adequate
             notice, as determined by the Committee, of the amount of the loan
             being requested and the desired time for receiving the loan.

      (d)    Length of Loan.
             -------------- 

             (i)     The Participant shall be required to repay the loan in
                     approximately equal installments of principal and interest
                     over a period not in excess of five years, or such shorter
                     period as the Administrative Committee may designate.  The
                     five-year limit shall not apply to any loan the proceeds of
                     which are applied by the Participant to acquire or
                     construct any dwelling unit that is to be used within a
                     reasonable time after the loan is made as the principal
                     residence of the Participant or of a member of his family.
                     In the latter case, the loan shall be for a maximum of 15
                     years.

             (ii)    The principal amount of the loan, together with all accrued
                     interest, shall immediately become due when the Participant
                     is no longer employed by an Employing Company and is no
                     longer a party in interest under Section 3(14) of ERISA.

                                      56
<PAGE>
 
      (e)    Prepayment.
             ---------- 

             After four months from the date the loan is made, the Participant
             shall be permitted to repay the loan in whole prior to maturity,
             without penalty.

      (f)    Notes, Interest, and Withholding.
             -------------------------------- 

             The Administrative Committee may require that the loan be evidenced
             by a promissory note executed by the Participant and delivered to
             the Administrative Committee, and shall bear interest at a
             reasonable rate determined by the Committee.  For this purpose, the
             Committee will use a rate of interest which provides the Plan with
             a return commensurate with the interest rates charged by persons in
             the business of lending money for loans under similar
             circumstances.  Repayment of principal and payment of interest will
             be made in installments not less frequently than quarterly and
             normally will be effected through payroll withholding, and the
             Participant shall execute any necessary documents to accomplish
             this as a condition to approval of the loan.

      (g)    Security.
             -------- 

             The loan shall be secured by an assignment of the Participant's
             right, title and interest in and to his Account in the Plan.  No
             more than 50% of the value of the Participant's Account balance
             (measured at the time the loan is made) may be used to secure a
             loan.

      (h)    Other Terms and Conditions.
             -------------------------- 

             The Administrative Committee shall fix such other terms and
             conditions of the loan as it deems necessary to comply with legal
             requirements, to maintain the qualification of the Plan and Trust
             under Section 401(a) of the Code, to qualify as exempt from the
             prohibited transaction rules of the Code or ERISA, or to prevent
             the treatment of the loan for tax purposes as a distribution to the
             Participant.  The Committee, in its discretion for any reason, may
             fix other terms and conditions of the loan, not inconsistent with
             the provisions of this Article VIII.

                                      57
<PAGE>
 
      (i)    No Prohibited Transactions.
             -------------------------- 

             No loan shall be made unless such loan is exempt from the tax
             imposed on prohibited transactions by Section 4975 of the Code (or
             would be exempt from such tax if the Participant were a
             disqualified person as defined in Section 4975(e)(2) of the Code)
             by reason of Section 4975(d)(1) of the Code.

                                      58
<PAGE>
 
                                   ARTICLE IX
                                 ADMINISTRATION

(1)   FIDUCIARIES:

      The Plan Administrator is a named fiduciary and shall have such
      responsibilities with respect to the Plan as are prescribed by law.
      Fiduciaries may serve in more than one fiduciary capacity with respect to
      the Plan.

(2)   ADMINISTRATIVE COMMITTEE:

      The Plan shall be administered by the Plan Administrator and an
      Administrative Committee consisting of at least three members who shall be
      appointed from time to time by the Board of Directors or pursuant to
      authorities granted by them.  Members of the Administrative Committee may
      participate in the benefits under the Plan provided they are otherwise
      eligible to do so, but a member shall not be entitled to vote or act upon
      any matter, or sign any documents, relating specifically to his own
      participation under the Plan except when it relates to benefits generally.
      Except as otherwise provided by the Board of Directors, no member of the
      Administrative Committee shall receive any compensation for his services
      as such.  Members of the Administrative Committee and all persons who
      serve as fiduciaries or who handle property or funds of the Plan shall be
      bonded in a manner and amount required by law.

(3)   POWERS OF THE ADMINISTRATIVE COMMITTEE:

      The Administrative Committee shall have full power and discretion to
      administer the Plan in all of its details, such power to include, but not
      be limited to the following:

      (a)    To make and enforce such rules and regulations as it shall deem
             necessary or proper for the efficient administration of the Plan;

      (b)    To interpret the Plan, in good faith;

      (c)    To correct defects, supply omissions, and reconcile inconsistencies
             to the extent necessary to effectuate the purposes of the Plan;

      (d)    To decide all questions concerning the Plan and the eligibility of
             any person to participate in the Plan;


                                      59
<PAGE>
 
      (e)    To determine and advise the amount of benefits which shall be
             payable to any Participant or Beneficiary;

      (f)    To authorize the payment of benefits by written notice to the
             Trustee; and

      (g)    To file or cause to be filed all such annual reports, returns,
             schedules, registrations, descriptions, financial statements, and
             other statements as may be required by any federal or state
             statute, agency, or authority within the time prescribed by law or
             regulation for filing such documents.

(4)   UNIFORM ADMINISTRATION:

      Whenever, in the administration of the Plan, any action by the
      Administrative Committee is required, such action shall be uniform in
      nature as applied to all persons similarly situated.

(5)   CONCLUSIVENESS OF ACTION:

      Except as provided in Article IX(2), the Administrative Committee shall
      have the exclusive right to determine any question arising in connection
      with the interpretation, application or administration of the Plan, and
      its determination in good faith shall be conclusive and binding upon all
      parties concerned, including, without limitation, any and all employees,
      Participants, spouses, Beneficiaries, heirs, distributees, estates,
      executors, administrators, and assigns.

(6)   EMPLOYMENT OF COUNSEL:

      The Administrative Committee may employ such counsel, who may be counsel
      for the Corporation, accountants, agents, and other persons to perform
      clerical and other services as it may require in carrying out the
      provisions of the Plan, and shall charge the fees, charges, and costs
      resulting from such employment as an expense to the Trust Fund to the
      extent not paid by the Corporation.  Except as otherwise provided by law,
      persons employed by the Administrative Committee as counsel, agents, or
      otherwise may include members of the Committee, of the Board of Directors
      of any Employer, or firms with which any such members are associated as
      partners, employees, or otherwise.  Persons serving on the Committee shall
      be fully protected in acting or refraining from acting in accordance with
      the advice of counsel.

                                      60
<PAGE>
 
(7)   ALLOCATION OR DELEGATION OF RESPONSIBILITIES AND DUTIES:

      The Administrative Committee may allocate or delegate any or all of its
      responsibilities and duties hereunder to one or more persons, firms,
      corporations, or associations, who may or may not be members of the
      Committee, or Employing Companies or Employees.  Any such allocation or
      delegation shall be effected by a written instrument signed by an
      authorized member of the Committee and by the party or parties to whom any
      responsibilities shall be allocated or any duties delegated, and setting
      forth the responsibilities or duties so allocated or delegated.

(8)   LIABILITY LIMITED:

      Neither the Plan Administrator, the Administrative Committee or any member
      thereof, any Employer or any officer, director, or employee thereof, any
      party to whom the Administrative Committee shall have allocated any
      responsibility or delegated any duty pursuant to Section (7) nor any other
      party acting at the request of the Administrative Committee or the Board
      of Directors shall be liable for any act or omission connected with or
      related to the Plan or the administration thereof, except in case of his
      own negligence or willful misconduct and except as otherwise provided by
      federal law.  Except as otherwise provided by federal law, the
      Corporation, any other Employing Company, and their officers, directors,
      and employees, and each member of the Administrative Committee, shall be
      entitled to rely conclusively on all tables, valuations, certificates,
      opinions and reports that shall be furnished by any actuary, accountant,
      trustee, insurance company, counsel or other expert who shall be employed
      or engaged by the Corporation, another Employer or the Administrative
      Committee, and shall be fully protected in respect of any action taken or
      omitted to be taken by them in good faith in reliance thereon; and any
      action so taken or omitted shall be conclusive upon all persons affected
      thereby.

(9)   INDEMNIFICATION AND INSURANCE:

      To the extent permitted by law, the Employing Companies shall and do
      hereby jointly and severally indemnify and agree to hold harmless any and
      all parties protected under Section (8), from all loss, damage, or
      liability, joint or several, including payment of expenses in connection
      with defense against any such claim, for their acts, omissions and
      conduct, and for the acts, omissions and conduct of their duly appointed
      agents, in the administration of the

                                      61
<PAGE>
 
      Plan, which acts, omissions, or conduct constitutes or is alleged to
      constitute a breach of such party's fiduciary or other responsibilities
      under ERISA or any other law, except for those acts, omissions, or conduct
      resulting from his own willful misconduct, willful failure to act, or
      gross negligence; provided, however, that if any party would otherwise be
      entitled to indemnification hereunder in respect of any liability and such
      party shall be insured against loss as a result of such liability by any
      insurance contract or contracts, such party shall be entitled to
      indemnification hereunder only to the extent by which the amount of such
      liability shall exceed the amount thereof payable under such insurance
      contract or contracts.

                                      62
<PAGE>
 
                                   ARTICLE X
               AMENDMENT, TERMINATION, MERGER, AND CONSOLIDATION

(1)   AMENDMENT OF PLAN:

      The Board of Directors of the Corporation (or any person to whom such
      authority has been delegated by the Board) may, except as provided in
      Section (4), amend any or all provisions of this Plan at any time by
      written instrument identified as an amendment of the Plan effective as of
      a specified date.

(2)   TERMINATION OF PLAN:

      The Corporation expects to continue the Plan indefinitely.  However,
      except as provided in Section (4), the Corporation shall have the right at
      any time to terminate the Plan in whole or in part by suspending or
      discontinuing Contributions hereunder in whole or in part, or to otherwise
      terminate the Plan.  In accordance with any amendment to the Plan that may
      be adopted in connection with any such termination, the Corporation may
      after such termination continue the Plan and Trust in effect for the
      purpose of making distributions under the Plan as they become payable, or
      may authorize the distribution of all or any part of the assets of the
      Trust Fund as to which the Plan has been terminated.  In the event of
      termination the Committee shall continue to administer the Plan and the
      Trustee shall continue to administer the Trust as herein provided for
      application and disbursement in accordance with the Plan and as directed
      by the Corporation.

(3)   MERGER, CONSOLIDATION, OR TRANSFER:

      In the case of any merger or any consolidation with or transfer of assets
      or liabilities to any other plan and trust, each Participant and
      Beneficiary in the Plan must be entitled to receive a benefit immediately
      after the merger, consolidation or transfer, if such plan were then
      terminated, equal to or greater than the benefit he would have been
      entitled to receive immediately before the merger, consolidation, or
      transfer if the Plan had then been terminated.  No merger, consolidation,
      or transfer shall take place unless such other plan and trust are
      qualified under Code Section 401(a), or if such merger, consolidation, or
      transfer would cause this Plan to cease to be a qualified plan.

                                      63
<PAGE>
 
(4)   LIMITATIONS ON AMENDMENT OR TERMINATION:

      (a)    The Corporation shall not have the power to amend or terminate the
             Plan in such manner as would cause or permit any part of the assets
             of the Plan held in the Trust Fund to be diverted to purposes other
             than for the exclusive benefit of Participants and Beneficiaries,
             or as would cause or permit any portion of such assets to revert to
             or become the property of the Employing Companies, except as
             otherwise provided in Article XI(11).  The Corporation shall not
             have the right to modify or amend the Plan in such manner as to
             reduce the accrued benefit of any Participant or Beneficiary, to
             deprive any Participant or Beneficiary of any benefit to which any
             one of them was entitled under the Plan by reason of Contributions
             made prior thereto, or adversely to affect the rights and duties of
             the Administrative Committee or the Trustee without its consent in
             writing, unless such modification or amendment is necessary to
             conform the Plan to, or to satisfy or continue to satisfy the
             conditions of, any applicable law, including ERISA, governmental
             regulations or rulings, or to cause the Plan to meet or to continue
             to meet the requirements for qualification of the Plan under
             Section 401(a) of the Code, or any similar statute enacted as a
             successor thereto.

                                      64
<PAGE>
 
                                   ARTICLE XI
                                CLAIMS PROCEDURE

(1)   CLAIMS FOR BENEFITS:

      Any Participant or Beneficiary who shall believe that he has become
      entitled to a benefit hereunder and who, after filing the application
      referred to in Article VII(4), shall not have received, or commenced
      receiving, a distribution of such benefit, pursuant to the provisions of
      Article VII, or who shall believe that he is entitled to a benefit
      hereunder in excess of the benefit that he shall have received, or
      commenced receiving, may file a written claim for such benefit or
      increased benefit with the Administrative Committee at any time up to the
      end of the calendar year next following the calendar year in which he
      allegedly became entitled to receive a distribution of such benefit.  Such
      written claim shall set forth the Participant's or Beneficiary's name and
      address and shall include a statement of the facts and a reference to the
      pertinent provisions of the Plan upon which such claim is based.  Within
      ninety (90) days after such claim is filed, the Committee shall provide
      the claimant with written notice of its decision with respect to such
      claim.  If such claim shall be denied in whole or in part, the Committee
      shall, in such written notice to the claimant, set forth in a manner
      calculated to be understood by the claimant, the specific reason or
      reasons for denial; specific references to pertinent provisions of the
      Plan upon which the denial is based; a description of any additional
      material or information necessary for the claimant to perfect his claim
      and an explanation as to why such material or information is necessary;
      and an explanation of the provisions for review of claims set forth in
      Section (2) of this Article.  If special circumstances require additional
      time, the Committee may extend the period allowed for notice of its
      decision by a period not to exceed ninety (90) days. Written notice of
      such extension, stating the circumstances requiring the extension and the
      date by which a final decision is expected, shall be provided to the
      claimant before the expiration of the initial ninety (90) day period.  A
      claimant who shall not timely file his claim as required shall to the
      extent permitted by law be conclusively deemed to have waived any right to
      contest the determination of the Administrative Committee.

(2)   REVIEW OF CLAIM:

      A Participant or Beneficiary whose claim for benefits shall have been
      denied may appeal such denial to the Vice

                                      65
<PAGE>
 
      President, Employee Benefits of the Corporation and receive a full and
      fair review of his claim by filing with the Vice President, Employee
      Benefits a written application for review at any time within sixty (60)
      days after receipt from the Administrative Committee of the written notice
      of denial of his claim provided for in Section 1.  A Participant or
      Beneficiary who shall submit a timely written application for review shall
      be entitled to review any and all documents pertinent to his claim and may
      submit issues and comments to the Vice President, Employee Benefits in
      writing.  In the discretion of the Vice President, Employee Benefits a
      hearing may be held.  Not later than sixty (60) days after receipt of a
      written application for review, the Vice President, Employee Benefits
      shall give the claimant written notice of his decision on review, which
      shall set forth in a manner calculated to be understood by the claimant
      specific reasons for his decision and specific references to the pertinent
      provisions of the Plan upon which the decision is based.  If special
      circumstances, including but not limited to the need for a hearing as
      determined by the Vice President, Employee Benefits, shall require
      additional time for making a decision on review, the period for decision
      may be extended by not more than sixty (60) days.  Written notice of such
      extension, stating the circumstances requiring the extension and the date
      by which a final decision is expected, shall be provided to the claimant
      before the expiration of the initial sixty (60) day period.  Even if the
      period for decision is extended under this section, a decision shall be
      made as soon as possible.  The decision of the Vice President, Employee
      Benefits shall to the extent permitted by law, be final and binding on all
      parties.

                                      66
<PAGE>
 
                                  ARTICLE XII
                                 MISCELLANEOUS

(1)   TOP-HEAVY PROVISIONS:

      The following provisions shall become effective in any Plan Year
      subsequent to the 1983 Plan Year in which this Plan is a Top-Heavy Plan.

      (a)    Top-Heavy Plan Status.  This Plan will be a Top-Heavy Plan for a
             given Plan Year if as of the last day of the preceding Plan Year
             either of the following situations occur:

             (i)     The ratio of the Accrued Benefits of Participants in this
                     Plan who are Key Employees to the Accrued Benefits for all
                     Participants in this Plan exceeds six-tenths (.6), or,

             (ii)    This Plan is part of a Required Aggregation Group, and the
                     ratio of the Accrued Benefits of Participants in any of the
                     aggregated plans who are Key Employees to the Accrued
                     Benefits of all Participants in the aggregated plans
                     exceeds six-tenths (.6).

             Notwithstanding anything in (a) to the contrary, this Plan shall
             not be a Top-Heavy Plan in any Plan Year in which this Plan is part
             of a Required or Permissive Aggregation Group which is not Top-
             Heavy.  Neither shall this Plan be a Top-Heavy Plan if it is part
             of a Permissive Aggregation Group which is Top-Heavy but this Plan
             is not required to be part of a Required Aggregation Group.

      (b)    Definitions.

             Key Employee.  A Key Employee is a Key Employee as defined in
             Section 416(i) of the Code.  Compensation taken into account in
             determining who is a Key Employee shall have the same meaning as
             "Compensation" under Article VI(4)(g)(vii).

             Accrued Benefit.  The Accrued Benefit is the account balance of the
             Participant in this Plan or any other defined Contribution plan and
             in the case of a defined benefit plan, the Accrued Benefit as
             defined under such plan, including any distribution from the Plan
             within the five-year period ending on the last

                                      67
<PAGE>
 
             day of the preceding Plan Year.  If any individual has not received
             any Compensation from any Employer (other than benefits under the
             Plan) at any time during the five-year period ending on the last
             day of the preceding Plan Year, any Accrued Benefit for such
             individual shall not be taken into account.

             Required Aggregation Group.  The term Required Aggregation Group
             means all of the qualified plans of the Employer in which a Key
             Employee is a Participant, or which are necessary for a plan to
             satisfy the requirements of Sections 401(a)(4) or 410 of the Code.

             Permissive Aggregation Group.  The term Permissive Aggregation
             Group means all of the plans of the Employer which are included in
             the Required Aggregation Group plus any plans of the Employer which
             are not included in the Required Aggregation Group, but which
             satisfy the requirements of Sections 401(a)(4)and 410 of the Code
             when considered together with the Required Aggregation Group.

             Limitation Year.  The term Limitation Year means the Plan Year.

      (c)    Minimum Benefit.  The yearly minimum Contribution to this Plan for
             an employee with respect to Plan Years during which this Plan is
             Top-Heavy, shall be equal to the lesser of (i) 3% of the
             Participant's Compensation for such Plan Year; or (ii) the highest
             percentage of Compensation contributed on behalf of a Key Employee
             to this Plan in the form of CODA Contributions or Matching
             Contributions.  The minimum Contribution shall be made regardless
             of whether the Employee was a Participant in the Plan during such
             Top-Heavy Plan Years provided that he was eligible to participate.
             However, if any employee eligible to participate in this Plan
             receives the minimum benefit required under Section 416 of the Code
             under any defined benefit plan maintained by the Employer, this
             paragraph (c) shall not be applicable.

      (d)    Excessively Top-Heavy Plan.  In the event the ratio described in
             paragraph (a) of this Article XI(1) exceeds nine-tenths (.9), then
             the definitions of the Defined Benefit Fraction and the Defined
             Contribution Fraction in Article VI(4) (g)(ii) and

                                      68
<PAGE>
 
             (iii) shall be changed by substituting in the denominator of each
             Fraction "100 percent" instead of "125 percent."  For any
             Limitation Year in which the Plan is a Top-Heavy Plan, but not an
             Excessively Top-Heavy Plan, the percentage described in the minimum
             Contribution provision of paragraph (c) shall be 4% in lieu of 3%
             indicated therein.

(2)   PROHIBITION AGAINST ALIENATION:

      Except as otherwise provided in this Plan, no Participant or Beneficiary
      shall have any right to withdraw, assign (either at law or in equity),
      pledge, transfer, appropriate, encumber, commute, alienate, or anticipate
      his interest in the Plan and Trust, or any payments to be made hereunder,
      and no benefits, payments, rights, or interest of such a person under the
      Plan shall be in any way subject to any legal or equitable process to levy
      or execute upon, charge, garnish, or attach the same for payment of any
      claim against such person except pursuant to a Qualified Domestic
      Relations Order, nor shall any such person have any right of any kind
      whatsoever with respect to the Plan and Trust, or any estate or interest
      therein, or with respect to any other property or rights, other than the
      right to receive such distributions as are made out of the Trust, as and
      when the same are or shall become due and payable under the terms of the
      Plan.  Any attempt to transfer, pledge, or levy upon or otherwise alienate
      an interest of a Participant or Beneficiary shall be invalid unless made
      pursuant to a Qualified Domestic Relations Order.

(3)   RELATIONSHIP BETWEEN EMPLOYING COMPANIES AND EMPLOYEES:

      The adoption and maintenance of the Plan shall not be deemed to constitute
      or modify a contract between any Employer and any Employee or Participant
      or to be a consideration or inducement for or condition of the performance
      of services by any person.  Nothing herein contained shall be deemed to
      give to any Employee or Participant the right to continue in the service
      of any Employer, to interfere with the right of an Employer to discharge
      any Employee or Participant at any time, or to give an Employer the right
      to require an Employee or Participant to remain in its service or to
      interfere with his right to terminate his service at any time.

                                      69
<PAGE>
 
(4)   PARTICIPANTS' BENEFITS LIMITED TO ASSETS:

      Each Participant by his participation in the Plan and Trust, shall be
      conclusively deemed to have agreed to look solely to the Trust Fund, and
      not to any other person, entity, or assets for the payment of any benefit
      to which he may be entitled by reason of his participation, and to have
      consented to all of the terms and conditions of the Plan, as the same may
      be amended from time to time, and shall be bound thereby with the same
      force and effect as if he were a party to this Plan.

(5)   TITLES AND HEADINGS:

      The titles and headings of the articles and sections in this Plan are
      placed herein for convenience of reference only, and in case of any
      conflicts, the text of this Plan, rather than the titles or headings,
      shall control.

(6)   GENDER AND NUMBER:

      The masculine pronoun, wherever used herein, shall include the feminine
      pronoun, and the singular shall include the plural, except where the
      context requires otherwise.

(7)   APPLICABLE LAW:

      The provisions of this Plan shall be construed according to the laws of
      the State of Maryland, except to the extent that they are preempted by
      ERISA, or by other federal law.  The Plan is intended to comply with ERISA
      and the Code, and to contain a qualified cash or deferred arrangement
      within the meaning of Code Section 401(k), and shall be interpreted and
      construed accordingly.

(8)   INABILITY TO LOCATE PAYEE:

      Anything to the contrary herein notwithstanding, if the Administrative
      Committee is unable, after a reasonable effort, to locate any Participant
      or Beneficiary to whom an amount is distributable hereunder, such amount
      shall be forfeited. Notwithstanding the foregoing, however, such amount
      shall be reinstated, by means of an additional Contribution by the
      Corporation if and when a valid claim for the forfeited amount is
      subsequently made by such Participant or Beneficiary or if the
      Administrative Committee receives proof of death of such person,
      satisfactory to the Committee; in such case, payment of the reinstated
      amount shall be made in accordance with the provisions of this Plan.  No
      such additional Contribution

                                      70
<PAGE>
 
      shall reduce the Matching Contributions otherwise required.  Any benefits
      lost by reason of applicable state law relating to escheat or abandoned
      property shall be considered forfeited but shall not be subject to
      reinstatement.

(9)   INCOMPETENCE OF PAYEE:

      In the event any benefit is payable to a minor or incompetent, to a person
      otherwise under legal disability, or to a person who, in the sole judgment
      of the Administrative Committee is by reason of advanced age, illness, or
      other physical or mental incapacity incapable of handling the disposition
      of his property, the Committee may direct the Trustee to apply the whole,
      or any part of such benefit, directly to the care, comfort, maintenance,
      support, education, or use of such person, or pay or distribute the whole
      or any part of such benefit to (a) the parent of such person, (b) the
      guardian, committee, or other legal representative, wherever appointed, of
      such person, (c) the person with whom such person resides, (d) any person
      having the care and control of such person, or (e) such person personally.
      The receipt by the person to whom any such payment or distribution is so
      made shall constitute a full and complete discharge of the right of
      affected Participants, former Participants, and Beneficiaries under the
      Plan.

(10)  DEALING WITH THE TRUSTEE:

      No person dealing with the Trustee shall be obliged to see to the
      application of any property paid or delivered to the Trustee or to inquire
      into the expediency or propriety of any transaction or the Trustee's
      authority to consummate the same, except as may specifically be required
      of such person under ERISA.

(11)  RETURN OF CONTRIBUTIONS:

      (a)    All Contributions to the Plan are expressly conditioned on the
             initial qualification of the Plan under Section 401 of the Code,
             and if such qualification shall be denied, the Participants (with
             respect to Thrift Contributions) and the Corporation (with respect
             to all other Contributions) shall be entitled to receive a return
             of Contributions made after the effective date of such denial, net
             of any losses attributable thereto and together with any earnings
             thereon, as soon as

                                      71
<PAGE>
 
             practicable but in any event within one year after the denial of
             qualification of the Plan.

      (b)    The Corporation's Contributions to the Plan are conditioned upon
             the deductibility of such Contributions under Section 404 of the
             Code for the taxable year for which made, and the Corporation shall
             be entitled to receive a return of any Contribution, net of any
             losses attributable thereto, to the extent its deduction is
             disallowed, within one year after such disallowance.

      (c)    If a Contribution is made to the Plan by the Corporation and/or a
             Participant by a mistake of fact, the Corporation and/or such
             Participant shall be entitled to receive a return of such
             Contribution, net of any losses attributable thereto and, in the
             case of a Participant, together with any earnings thereon, within
             one year after the making of such Contribution.

(12)  SEPARABILITY:

      If any provision of this Plan is found, held or deemed to be void,
      unlawful, or unenforceable under any applicable statute or other
      controlling law, the remainder of this Plan shall continue in full force
      and effect.

             IN WITNESS WHEREOF this amended and restated Plan was executed as
of ___________________, 1994.

                                 MARTIN MARIETTA CORPORATION



Date                             By:
     --------------------           ------------------------

                              Title:
                                    ------------------------



WITNESS:



  ________________________________

                                      72
<PAGE>
 
            THIS PAGE MUST BE KEPT AS THE LAST PAGE OF THE DOCUMENT.



  SoftSolution Network ID: WDC-40018.2        Type: MISC

<PAGE>
 
                                                                       EXHIBIT 5
 
           [LETTERHEAD OF LOCKHEED MARTIN CORPORATION APPEARS HERE]



                                March 15, 1995


Lockheed Martin Corporation
6801 Rockledge Drive
Bethesda, Maryland 20817

          Re:  Martin Marietta Corporation Performance Sharing
               Plan (the "Plan")

Ladies and Gentlemen:

      I submit this opinion to you in connection with the filing with the 
Securities and Exchange Commission of a registration statement on Form S-8 (the 
"Registration Statement") on the date hereof. The Registration Statement 
registers shares of common stock ("Common Stock") of Lockheed Martin Corporation
(the "Corporation") for use in connection with the Plan. The Plan contemplates 
that Common Stock may be treasury or authorized but unissued shares or may be 
acquired in the open market. As Assistant General Counsel of the Corporation, I 
have examined such corporate records, certificates and other documents and have 
reviewed such questions of law as I deemed necessary or appropriate for the 
purpose of this opinion.

      Based upon that examination and review, I advise you that in my opinion:

      (i)  the Corporation has been duly incorporated and is validly existing 
           under the laws of the State of Maryland; and

      (ii) to the extent that the operation of the Plan results in the issuance
           of Common Stock, such shares of Common Stock have been duly and
           validly authorized and, when issued in accordance with the terms set
           forth in the Registration Statement, will be legally issued, fully
           paid and nonassessable.

      I hereby consent to the filing of this opinion as an exhibit to the 
Registration Statement and to the reference to my opinion in the Registration 
Statement.

                                           Very truly yours,

                                           /s/ Stephen M. Piper

                                           Stephen M. Piper
                                           Assistant General Counsel
                                           Lockheed Martin Corporation


<PAGE>
 
 
                                                                    EXHIBIT 23-A

              CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS

          We consent to the incorporation by reference in Lockheed Martin
Corporation's Registration Statement (Form S-8) pertaining to the Martin
Marietta Corporation Performance Sharing Plan of: (a) our report dated January
20, 1995, with respect to the consolidated financial statements of Martin
Marietta Corporation and subsidiaries for the year ended December 31, 1994,
included in its Current Report (Form 8-K), dated February 17, 1995; (b) our
report dated November 1, 1994, with respect to the consolidated balance sheet of
Lockheed Martin Corporation as of October 31, 1994, included in its Registration
Statement (Form S-4 No. 33-57645), dated February 9, 1995; and (c) our report
dated May 20, 1994, with respect to the financial statements of the Martin
Marietta Corporation Performance Sharing Plan included in the Plan's Annual
Report (Form 11-K) for the year ended December 31, 1993; all filed with the
Securities and Exchange Commission.


                                                 ERNST & YOUNG LLP


Washington, D.C.
March 13, 1995



<PAGE>
 
                                                                    EXHIBIT 23-B


              CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS

     We consent to the incorporation by reference in Lockheed Martin
Corporation's Registration Statement (Form S-8) pertaining to the Martin
Marietta Corporation Performance Sharing Plan of our report dated January 31,
1995, with respect to the consolidated financial statements of Lockheed
Corporation for the year ended December 25, 1994, included in its Current Report
(Form 8-K), dated February 21, 1995, filed with the Securities and Exchange
Commission.

                                                               ERNST & YOUNG LLP

Los Angeles, California
March 13, 1995


<PAGE>
 
 
                                                                    EXHIBIT 23-C

             CONSENT OF KPMG PEAT MARWICK LLP INDEPENDENT AUDITORS


The Board of Directors
General Electric Company:
The Board of Directors
Martin Marietta Corporation:

       We consent to the incorporation by reference in this Registration 
Statement on Form S-8 of Lockheed Martin Corporation of our report, dated 
February 3, 1993, relating to the consolidated financial statements of GE 
Aerospace Businesses as of December 31, 1992 and 1991 and for each of the years 
in the two-year period ended December 31, 1992, which report is incorporated by 
reference in the December 31, 1993 annual report on Form 10-K of Martin Marietta
Corporation, which is incorporated herein by reference.


Harrisburg, Pennsylvania
March 13, 1995



<PAGE>
 
                                                                    EXHIBIT 23-D
 
                        CONSENT OF ARTHUR ANDERSEN LLP
                        INDEPENDENT PUBLIC ACCOUNTANTS

As independent public accountants, we hereby consent to the incorporation by 
reference in this registration statement on Form S-8 of our report dated January
20, 1994 on our audits of the combined financial statements of the General 
Dynamics Space Systems Group as of December 31, 1993 and 1992 and for each of 
the three years in the period ended December 31, 1993 included in the Martin 
Marietta Corporation's Form 8-K dated May 13, 1994, which is incorporated by 
reference into the Lockheed Martin Corporation registration statement on Form 
S-4 dated February 9, 1995.


                                                 ARTHUR ANDERSEN LLP


San Diego, California
March 13, 1995



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