RALEIGH, N.C., Aug. 14, 2025 (GLOBE NEWSWIRE) -- Martin Marietta Materials, Inc. (NYSE: MLM) (“Martin Marietta” or the “Company”) today announced that its Board of Directors approved an increase in its quarterly cash dividend, raising it from $0.79 per share to$0.83 per share on the Company’s outstanding common stock. This dividend, representing a cash dividend of $3.32 per share on an annualized basis, is payable September 30, 2025, to shareholders of record at the close of business on September 2, 2025. ...