 RALEIGH, N.C., May 13, 2021 GLOBE NEWSWIRE -- Martin Marietta Materials, Inc. NYSE: MLM Martin Marietta or the Company today announced that its Board of Directors has declared a regular quarterly cash dividend of 0.57 per share on the Companys outstanding common stock. This dividend, which represents a cash dividend of 2.28 per share on an annualized basis, is payable June 30, 2021, to shareholders of record at the close of business on June 1, 2021. 