Delivering Record Performance Through Operational Excellence

DEFINITIONS AND RECONCILIATIONS OF NON-GAAP FINANCIAL MEASURES Martin Marietta Adjusted EBITDA, defined as earnings before interest, income taxes, depreciation, depletion and amortization, the noncash earnings/loss from nonconsolidated equity affiliates, and significant nonrecurrent income and expenses, is a financial indicator of a company's ability to service and/or incur indebtedness. Adjusted EBITDA is not defined by generally accepted accounting principles and, as such, should not be construed as an alternative to net earnings or operating cash flow. ($ in millions) YEAR ENDED DECEMBER 31 2007 2010 2018 NET EARNINGS ATTRIBUTABLE TO MARTIN MARIETTA Add back: $ 263 $ Interest expense Income tax expense for controlling interests Depreciation, depletion and amortization expense and earnings/loss from nonconsolidated equity affiliates Bluegrass acquisition-related expenses, net Impact of selling acquired inventory after its markup to fair value as part of acquisition accounting Asset and portfolio rationalization charges ADJUSTED EBITDA St The Company modified its calculation of Adjusted EBITDA in 2019. Prior year amounts have been calculated consistently with the 2019 presentation. Investor Presentation 97 $ 470 61 69 137 117 29 106 146 182 328 - 13 19 19 $ 587 $ 377 $ 1,092 37

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