X0202 4 2006-08-21 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. and CEO Common Stock 2006-08-21 4 M 0 20000 38.32 A 166605 D Common Stock 2006-08-21 4 S 0 15444 82.1158 D 151161 D Common Stock 2006-08-21 4 F 0 4556 82.69 D 146605 D Common Stock 2006-08-22 4 M 0 21667 38.32 A 168272 D Common Stock 2006-08-22 4 F 0 4892 81.85 D 163380 D Common Stock 2006-08-22 4 S 0 16775 82.8131 D 146605 D Stock Options (Right to buy) 38.32 2006-08-21 4 M 0 20000 0 D 2013-08-19 Common Stock 20000 21667 D Stock Options (Right to buy) 38.32 2006-08-22 4 M 0 21667 0 D 2013-08-19 Common Stock 21667 0 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: 244 at $82.25; 500 at $82.24; 200 at $82.21; 1200 at $82.20; 2300 at $82.19; 100 at $82.15; 1200 at $82.18; 100 at $82.14; 3700 at $82.10; 300 at $82.11; 600 at $82.08; 300 at $82.09; 200 at $82.13; 200 at $82.16; 1000 at $82.00; 1000 at $82.04; 600 at $82.02; 200 at $82.05; 1500 at $82.03. 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: 800 at $82.53; 100 at $82.55; 800 at $82.57; 100 at $82.59; 1100 at $82.62; 100 at $82.64; 100 at $82.65; 100 at $82.66; 200 at $82.70; 1600 at $82.71; 500 at $82.72; 2200 at $82.73; 100 at $82.75; 200 at $82.76; 300 at $82.78; 1200 at $82.80; 100 at $82.82; 700 at $82.84; 300 at $82.85; 1500 at $82.87; 100 at $82.88; 200 at $82.89; 100 at $82.91; 100 at $82.95; 300 at $82.98; 200 at $82.99; 1600 at $83.00; 500 at $83.01; 100 at $83.02; 300 at $83.06; 100 at $83.10; 200 at $83.15; 100 at $83.19; 375 at $83.21; 100 at $83.22; 300 at $83.24. Stephen P. Zelnak, Jr. 2006-08-22