X0202 4 2006-05-16 0000916076 MARTIN MARIETTA MATERIALS INC MLM 0001084501 ZELNAK STEPHEN P JR MARTIN MARIETTA MATERIALS, INC. 2710 WYCLIFF ROAD RALEIGH NC 27607 1 1 0 0 Chm. Pres. & CEO Common Stock 2006-05-16 4 M 0 12000 47.75 A 139278 D Common Stock 2006-05-16 4 S 0 9456 93.6825 D 129822 D Common Stock 2006-05-16 4 F 0 2544 95.36 D 127278 D Common Stock 2006-05-17 4 M 0 12000 47.75 A 139278 D Common Stock 2006-05-17 4 S 0 9465 91.4926 D 129813 D Common Stock 2006-05-17 4 F 0 2535 95.05 D 127278 D Stock Options (Right to buy) 47.75 2006-05-16 4 M 0 12000 0 D 2008-08-20 Common Stock 12000 24000 D Stock Options (Right to buy) 47.75 2006-05-17 4 M 0 12000 0 D 2008-08-20 Common Stock 12000 12000 D Non-qualified stock option award granted under the Martin Marietta Materials, Inc. Amended and Restated Stock-Based Award Plan. Options become exercisable in three equal annual installments commencing one year from the date of grant. The shares sold on this date were sold in multiple transactions. This price is the weighted average sales price per share of all shares sold on this date. The actual sales prices were: 156 at $93.26; 200 at $93.29; 100 at $93.30; 100 at $93.32; 300 at $93.36; 300 at $93.37; 200 at $93.38; 100 at $93.39; 400 at $93.40; 100 at $93.41; 300 at $93.42; 100 at $93.43; 200 at $93.45; 200 at $93.46; 400 at $93.48; 300 at $93.50; 200 at $93.55; 100 at $93.56; 100 at $93.57; 100 at $93.58; 100 at $93.60; 100 at $93.65; 200 at $93.68; 400 at $93.69; 600 at $93.72; 100 at $93.73; 300 at $93.74; 200 at $93.76; 100 at $93.77; 100 at $93.78; 200 at $93.79; 100 at $93.80; 100 at $93.88; 100 at $93.89; 300 at $93.91; 800 at $93.94; 200 at $94.01; 200 at $94.03; 1300 at $94.05. The shares sold on this date were sold in multiple transactions. This price is the weighted average sales price per share of all shares sold on this date. The actual sales prices were: 200 at $91.28; 600 at $91.31; 800 at $91.32; 1400 at $91.34; 100 at $91.36; 1200 at $91.40; 100 at $91.42; 300 at $91.45; 200 at $91.46; 300 at $91.48; 200 at $91.50; 700 at $91.51; 200 at $91.53; 200 at $91.56; 200 at $91.57; 200 at $91.59; 300 at $91.60; 100 at $91.62; 100 at $91.63; 100 at $91.64; 300 at $91.65; 200 at $91.68; 200 at $91.70; 300 at $91.72; 200 at $91.73; 300 at $91.75; 200 at $91.85; 100 at $91.90; 165 at $92.00. Stephen P. Zelnak, Jr. 2006-05-18