Investor Presentation - January 2019

ENHANCING SHAREHOLDER VALUE Martin Marietta RETURN OF CASH TO SHAREHOLDERS $ Sustainable and meaningful dividend that has been maintained or increased every quarter since becoming a public company Systematic structured share repurchases to preserve targeted leverage ratio 9 PERCENT August 2018 increase in quarterly cash dividend $1.3 BILLION RETURNED TO SHAREHOLDERS in form of dividends and share repurchases since February 2015 repurchase authorization announced Investor Presentation - January 2019 24 24

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