Investor Presentation - January 2019

ALIGNING TODAY'S BUSINESS PROFILE AGGREGATES-LED • Leading aggregates positions in 90% of our markets • • Local businesses in markets with strong underlying growth fundamentals High barriers to entry Investor Presentation - January 2019 A Martin USDOT 382883 Martin Marietta STRATEGIC CEMENT Complements leading aggregates positions • Serves as a raw material for downstream business TARGETED DOWNSTREAM Complements leading aggregates positions Markets that are historically vertically integrated 16

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