Anne H. Lloyd, Executive Vice President and Chief Financial Officer of Martin Marietta Materials, Inc. (NYSE:MLM), today announced that the Board of Directors has declared a regular quarterly cash dividend of $0.42 per share on the Corporation’s common stock. This dividend, which represents a cash dividend of $1.68 per share on an annualized basis, is payable June 30, 2017, to shareholders of record at the close of business on June 1, 2017.

Martin Marietta, a member of the S&P 500 Index, is an American-based company and a leading supplier of building materials, including aggregates, cement, ready mixed concrete, and asphalt. Through a network of operations spanning 26 states, Canada, The Bahamas, and the Caribbean Islands, dedicated Martin Marietta teams supply the resources necessary for building the solid foundations on which our communities thrive. Martin Marietta's Magnesia Specialties business provides a full range of magnesium oxide, magnesium hydroxide and dolomitic lime products. For more information, visit www.martinmarietta.com or www.magnesiaspecialties.com.

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