Delivering Record Performance Through Operational Excellence

PRUDENTLY DEPLOYING CAPITAL INTO THE BUSINESS Martin Marietta ORGANIC CAPITAL INVESTMENT Any Investor Presentation • • Investment priorities to ensure safe, environmentally-sound and efficient operations and to provide a foundation for continued responsible growth Opportunistic land purchases for expansion of quarry footprint and reserves Organic capital investment at annual levels approximating depreciation expense over an economic cycle Selling nonoperating real estate, where appropriate, to reinvest into operations. ANNUAL CAPITAL SPENDING OF $350M TO $400M projects focused on efficiencies and returns 225 23

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