1 EXHIBIT 12.01 MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES FOR THE YEAR ENDED DECEMBER 31, 1996 (AMOUNTS IN THOUSANDS) EARNINGS: Earnings before income taxes $ 118,953 Earnings of less than 50%-owned associated companies, net (736) Interest expense 10,121 Portion of rents representative of an interest factor 1,188 --------- ADJUSTED EARNINGS AND FIXED CHARGES $ 129,526 ========= FIXED CHARGES: Interest Expense $ 10,121 Capitalized interest 342 Portion of rents representative of an interest factor 1,188 --------- TOTAL FIXED CHARGES $ 11,651 ========= RATIO OF EARNINGS TO FIXED CHARGES 11.12 ========= 28