Martin Marietta Materials, Inc. Declares Regular Cash Dividend

  Martin Marietta Materials, Inc. Declares Regular Cash Dividend

Business Wire

RALEIGH, N.C. -- November 15, 2013

Anne H. Lloyd, Executive Vice President and ChiefFinancial Officer of Martin
Marietta Materials, Inc. (NYSE:MLM), today announced that the Board of
Directors has declared a regular quarterly cash dividend of $0.40 (forty
cents) per share on the Corporation’s common stock. This dividend, which
represents a cash dividend of $1.60 per share on an annualized basis, is
payable December 31,2013, to shareholders of record at the close of business
on December 2, 2013.

Martin Marietta Materials, Inc. is the nation’s second largest producer of
construction aggregates and a producer of magnesia-based chemicals and
dolomitic lime. For more information about Martin Marietta Materials, Inc.,
refer to the Corporation’s website at www.martinmarietta.com.

MLM-D

Contact:

Martin Marietta Materials, Inc.
Anne Lloyd, 919-783-4660
Executive Vice President and Chief Financial Officer
www.martinmarietta.com