Achieved Record Quarterly Consolidated Revenues, Profitability and Margins Aggregates Gross Profit Per Ton Increased 42.4 Percent to $7.89 Robust Earnings Growth Reinforces Benefits of Value-Over-Volume Strategy Raised Adjusted EBITDA Guidance RALEIGH, N.C., Nov. 01, 2023 (GLOBE NEWSWIRE) -- Martin Marietta Materials, Inc. MLM ("Martin Marietta" or the "Company"), a leading national supplier of aggregates and heavy building materials, today reported results for the third quarter ended September 30, 2023. Third-Quarter Highlights (Financial highlights are for continuing operations) Ward Nye, Chairman and CEO of Martin Marietta, stated, "We are pleased to again report record quarterly results for nearly every financial and operational measure, including continued world-class safety incidence rates.