UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

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

Date of report (Date of earliest event reported)           November 29, 2005          

Martin Marietta Materials, Inc.

(Exact Name of Registrant as Specified in Its Charter)

North Carolina

(State or Other Jurisdiction of Incorporation)

1-12744		56-1848578
(Commission File Number)		(IRS Employer Identification No.)
2710 Wycliff Road, Raleigh, North Carolina		27607
(Address of Principal Executive Offices)		(Zip Code)

(919) 781-4550

(Registrant’s Telephone Number, Including Area Code)

Not Applicable

(Former Name or Former Address, if Changed Since Last Report)

     Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

     o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

     o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

     o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

     o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 7.01 Regulation FD Disclosure.

The Board of Directors of Martin Marietta Materials, Inc. announced the elections of Daniel G. Shephard and Bruce A. Vaio as Executive Vice Presidents of the Corporation and the promotions of Anne H. Lloyd and Roselyn R. Bar to Senior Vice Presidents of the Corporation.

Item 9.01 Financial Statements and Exhibits.

(c) Exhibits

99.1

Press Release dated November 29, 2005, announcing the elections of Daniel G. Shephard and Bruce A. Vaio as Executive Vice Presidents of the Corporation and the promotions of Anne H. Lloyd and Roselyn R. Bar to Senior Vice Presidents of the Corporation.

SIGNATURES

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

		MARTIN MARIETTA MATERIALS, INC.
		(Registrant)
Date: November 29, 2005		By:		/s/ Anne H. Lloyd
				Anne H. Lloyd, Senior Vice President and Chief Financial Officer

EXHIBIT INDEX

Exhibit No.		Description
99.1		Press Release dated November 29, 2005, announcing the elections of Daniel G. Shephard and Bruce A. Vaio as Executive Vice Presidents of the Corporation and the promotions of Anne H. Lloyd and Roselyn R. Bar to Senior Vice Presidents of the Corporation.

EXHIBIT 99.1

FOR IMMEDIATE RELEASE		Contact:		Anne H. Lloyd
				Vice President, Chief Financial
				Officer and Chief Accounting Officer
				(919) 783-4660
				www.martinmarietta.com

MARTIN MARIETTA MATERIALS, INC.
ANNOUNCES SENIOR MANAGEMENT PROMOTIONS

RALEIGH, North Carolina (November 29, 2005) – Martin Marietta Materials, Inc. (NYSE:MLM), today announced that its Board of Directors had elected Daniel G. Shephard and Bruce A. Vaio as Executive Vice Presidents of the Corporation. They also announced the promotion of Anne H. Lloyd and Roselyn R. Bar to Senior Vice Presidents.

Dan Shephard (47) currently has responsibility for the Magnesia Specialties Division and Aggregates operations in Indiana, Ohio, West Virginia, Virginia, and Maryland. He is also responsible for Business Development, Capital Planning, and Operations Services for the Corporation. Mr. Shephard is a graduate of Alfred University with a B.S. in Accounting. He has over 15 years of service at Martin Marietta.

Bruce Vaio (45) is responsible for the Company’s aggregates operations in the Southwest and will be responsible for all of the Company’s western operations beginning January 1, 2006. He joined Martin Marietta in 1998 as part of the Redland-Texas acquisition. He is a graduate of the University of Denver with a B.A. in Political Science and holds an MBA from the University of Phoenix.

Anne Lloyd (44) joined Martin Marietta in 1998 as Controller and Chief Accounting Officer from Ernst and Young. She was appointed Chief Financial Officer of the Company in June of 2005. Ms. Lloyd is a CPA and a graduate of the University of North Carolina-Chapel Hill with a B.S. in Accounting.

Roselyn Bar (47) is General Counsel and Corporate Secretary for the Corporation and also manages the corporate Environment, Land, and Natural Resources function. Prior to joining Martin Marietta in 1994, she was in private practice with the Skadden, Arps, Slate, Meagher & Flom law firm in the New York and Los Angeles offices. Ms. Bar holds a B.A. from the University of Rochester and completed her J.D. degree at the Brooklyn School of Law.

Commenting on the promotions, Stephen P. Zelnak, Jr., Chairman and CEO of Martin Marietta Materials, stated, “This group of senior managers has an exceptional track record of performance and high achievement. Each of them has contributed greatly to the success of Martin Marietta and is most deserving of the promotion awarded by our Board of Directors.”

Martin Marietta is the nation’s second largest producer of construction aggregates, a leading producer of magnesia-based chemical products and is developing structural composites products for use in a wide variety of industries.

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