Delivering Record Performance Through Operational Excellence

CONSISTENTLY DELIVERING SHAREHOLDER VALUE ONE-YEAR TOTAL RETURN AS OF DECEMBER 31, 2019 64% 31% 25% FIVE-YEAR TOTAL RETURN AS OF DECEMBER 31, 2019 165% 74% 41% MLM S&P S&P 500 MLM S&P S&P 500 Common 500 Stock Index Materials Index Common 500 Materials Stock Index Index Represents total shareholder return (inclusive of dividends) for applicable periods ending December 31, 2019 Investor Presentation A Martin Marietta 19

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