Investor Presentation - January 2019

ATTRACTIVE GEOGRAPHIES DRIVE RESIDENTIAL CONSTRUCTION Martin Investor Presentation - January 2019 Martin Marietta metros ranked in Top 10 nationally Housing starts have yet to return to historical levels despite notable population gains for growth in total housing permits #1 Houston • Shortage of single-family housing units, particularly entry level homes #2 Orlando . Market will adapt once mortgage rate increases stabilize #3 Raleigh Our leading southeastern and southwestern states offer superior #5 Charlotte opportunities for housing gains driven by available land and comparatively lower taxes #6 Atlanta #7 Austin Growth in number of total housing permits (TTM October 2018) Source: US Census 33

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