4 2007-12-14 0 0001032033 SLM 0001065138 8obutun$ 12061 Bluemont Way Reston VA 20190 1 1 0 0 Chairman & CEO Common Stock 2007-12-14 4 S 0 5400 27.2300 D 942169.0000 D Common Stock 2007-12-14 4 S 0 100 27.2350 D 942069.0000 D Common Stock 2007-12-14 4 S 0 100 27.3070 D 850670.0000 D Common Stock 2007-12-14 4 S 0 100 27.3090 D 850570.0000 D Common Stock 2007-12-14 4 S 0 6800 27.3100 D 843770.0000 D Common Stock 2007-12-14 4 S 0 100 27.3200 D 843670.0000 D Common Stock 2007-12-14 4 S 0 9800 27.3300 D 833870.0000 D Common Stock 2007-12-14 4 S 0 1700 27.3400 D 832170.0000 D Common Stock 2007-12-14 4 S 0 100 27.3450 D 832070.0000 D Common Stock 2100.0000 I By Immediate Family Common Stock 2007-12-14 4 S 0 100 27.2390 D 941969.0000 D Common Stock 2007-12-14 4 S 0 5300 27.2400 D 936669.0000 D Common Stock 2007-12-14 4 S 0 1100 27.2450 D 935569.0000 D Common Stock 2007-12-14 4 S 0 20899 27.2500 D 914670.0000 D Common Stock 2007-12-14 4 S 0 300 27.2550 D 914370.0000 D Common Stock 2007-12-14 4 S 0 200 27.2580 D 914170.0000 D Common Stock 2007-12-14 4 S 0 200 27.2590 D 913970.0000 D Common Stock 2007-12-14 4 S 0 6700 27.2600 D 907270.0000 D Common Stock 2007-12-14 4 S 0 1900 27.2650 D 905370.0000 D Common Stock 2007-12-14 4 S 0 38900 27.2700 D 866470.0000 D Common Stock 2007-12-14 4 S 0 300 27.2750 D 866170.0000 D Common Stock 2007-12-14 4 S 0 100 27.2790 D 866070.0000 D Common Stock 2007-12-14 4 S 0 2700 27.2800 D 863370.0000 D Common Stock 2007-12-14 4 S 0 700 27.2850 D 862670.0000 D Common Stock 2007-12-14 4 S 0 200 27.2890 D 862470.0000 D Common Stock 2007-12-14 4 S 0 4400 27.2900 D 858070.0000 D Common Stock 2007-12-14 4 S 0 800 27.2950 D 857270.0000 D Common Stock 2007-12-14 4 S 0 300 27.2990 D 856970.0000 D Common Stock 2007-12-14 4 S 0 4900 27.3000 D 852070.0000 D Common Stock 2007-12-14 4 S 0 1300 27.3050 D 850770.0000 D This is form 5 of 10 for reporting Mr. Lord's transactions on December 14, 2007. By: Mary F. Eure (POA) 2007-12-18