1 Exhibit 11.01 MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES COMPUTATION OF EARNINGS PER SHARE For the Quarter and Six Months Ended June 30 (Dollars in Thousands, Except Per Share Data) Three Months Ended Six Months Ended June 30, June 30, ---------------------------------------------- 1996 1995 1996 1995 ---------- ---------- ---------- ---------- Net earnings $ 26,807 $ 19,957 $ 31,144 $ 28,186 ========== ========== ========== ========== Weighted average number of common shares outstanding 46,079,300 46,079,300 46,079,300 46,079,300 ========== ========== ========== ========== Net earnings per common share $ 0.58 $ 0.43 $ .68 $ 0.61 ========== ========== ========== ========== Page 74 of 76