As filed with the Securities and Exchange Commission on March 28, 1995. Registration No. 33-60478 ================================================================================ SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 -------------------- POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-8 REGISTRATION STATEMENT Under THE SECURITIES ACT OF 1933 -------------------- MARTIN MARIETTA CORPORATION (Exact name of registrant as specified in its charter) Maryland 52-1801551 (State or other jurisdiction of (I.R.S. Employer incorporation or organization) Identification No.) 6801 Rockledge Drive Bethesda, Maryland 20817 (Address of principal executive offices) Martin Marietta Energy Systems, Inc. 401(k) Savings Plan for Salaried Employees Martin Marietta Energy Systems, Inc. 401(k) Savings Plan for Hourly Employees Martin Marietta Energy Systems, Inc. Savings Plan for Salaried and Hourly Employees (Full title of the plan) Stephen M. Piper, Esquire Assistant General Counsel Martin Marietta 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) ================================================================================ EXPLANATORY STATEMENT --------------------- On March 15, 1995, Martin Marietta Corporation ("Martin Marietta") and Lockheed Corporation ("Lockheed") consummated the combination of the Lockheed businesses with the businesses of Martin Marietta (the "Combination") on the terms and conditions more fully described in Registration Statement No. 33-57645 on Form S-4 filed by Lockheed Martin Corporation ("Lockheed Martin") with the Commission on February 9, 1994. As a result of the Combination, each share of Martin Marietta common stock and each stock option outstanding under Martin Marietta's employee benefit and compensatory plans was converted into the right to receive one share of Lockheed Martin common stock or one Lockheed Martin stock option, as the case may be, and each share of Lockheed common stock and each stock option outstanding under Lockheed's employee benefit and compensatory plans was converted into the right to receive 1.63 shares of Lockheed Martin common stock or Lockheed Martin stock options, as the case may be. In addition, upon consummation of the Combination, each of Martin Marietta and Lockheed became a wholly-owned subsidiary of Lockheed Martin. Shares previously registered by Martin Marietta for use in connection with the Martin Marietta Energy Systems, Inc. 401(k) Savings Plan for Salaried Employees, the Martin Marietta Energy Systems, Inc. 401(k) Savings Plan for Hourly Employees and the Martin Marietta Energy Systems, Inc. Savings Plan for Salaried and Hourly Employees (the "Plans") on Registration Statement No. 33- 60478 on Form S-8 (the "Registration Statement") and not already issued will not be issued by Martin Marietta and, pursuant to Martin Marietta's undertakings in the Registration Statement, Martin Marietta files this Post-Effective Amendment No. 1 thereto to remove from registration the shares of Martin Marietta common stock registered thereunder which had not been issued as of closing of the Combination. Lockheed Martin has registered shares of its common stock to be issued in conjunction with the Plans. Item 8. Exhibits - ------ -------- Exhibit No. Description - ----------- ----------- 25 Powers of Attorney (incorporated by reference to Exhibit 25 to Registration Statement on Form S-8 (Reg. No. 33-60478) filed with the Commission on April 2, 1993). -2- 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 Post-Effective Amendment No. 1 to Registration Statement No. 33-60478 to be signed on its behalf by the undersigned, thereunto duly authorized, in the County of Montgomery, State of Maryland on the 28th day of March, 1995. MARTIN MARIETTA CORPORATION Date: March 28, 1995 By: /s/Jay A. Brozost -------------- Jay A. Brozost Vice President and Associate General Counsel Pursuant to the requirements of the Securities Act of 1933, this Post-Effective Amendment No. 1 to Registration Statement No. 33-60478 has been signed by the following persons in the capacities and on the dates indicated. Signature Title Date --------- ----- ---- /s/Norman R. Augustine Chairman and Chief March 28, 1995 ------------------------- Executive Officer Norman R. Augustine* (Principal Executive Officer) /s/Marcus C. Bennett Senior Vice President March 28, 1995 ------------------------- and Chief Financial Marcus C. Bennett* Officer (Principal Financial Officer and Principal Accounting Officer) /s/Lamar Alexander Director March 28, 1995 ------------------------- Lamar Alexander* /s/A. James Clark Director March 28, 1995 ------------------------- A. James Clark* /s/Edwin I. Colodny Director March 28, 1995 ------------------------- Edwin I. Colodny* /s/James L. Everett, III Director March 28, 1995 ------------------------- James L. Everett, III* /s/Edward L. Hennessy, Jr. Director March 28, 1995 ------------------------- Edward L. Hennessy, Jr.* -3- Signature Title Date --------- ----- ---- /s/Caleb B. Hurtt Director March 28, 1995 ------------------------- Caleb B. Hurtt* /s/Gwendolyn S. King Director March 28, 1995 ------------------------- Gwendolyn S. King* /s/Melvin R. Laird Director March 28, 1995 ------------------------- Melvin R. Laird* /s/Gordon S. Macklin Director March 28, 1995 ------------------------- Gordon S. Macklin* /s/Allen E. Murray Director March 28, 1995 ------------------------- Allen E. Murray* /s/John W. Vessey, Jr. Director March 28, 1995 ------------------------- John W. Vessey, Jr.* /s/A. Thomas Young Director March 28, 1995 ------------------------- A. Thomas Young* * By: /s/Stephen M. Piper March 28, 1995 ---------------- Stephen M. Piper Attorney-in-Fact** ** By authority of powers of attorney filed with this registration statement. -4-