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 0 100 26.6400 D 149887.0000 D Common Stock 2007-12-14 4 S 0 700 26.6500 D 149187.0000 D Common Stock 2007-12-14 4 S 0 4300 26.7400 D 68287.0000 D Common Stock 2007-12-14 4 S 0 200 26.7450 D 68087.0000 D Common Stock 2007-12-14 4 S 0 16500 26.7500 D 51587.0000 D Common Stock 2007-12-14 4 S 0 200 26.7550 D 51387.0000 D Common Stock 2007-12-14 4 S 0 4500 26.7600 D 46887.0000 D Common Stock 2007-12-14 4 S 0 200 26.7670 D 46687.0000 D Common Stock 2007-12-14 4 S 0 2100 26.7700 D 44587.0000 D Common Stock 2100.0000 I By Immediate Family Common Stock 2007-12-14 4 S 0 500 26.6550 D 148687.0000 D Common Stock 2007-12-14 4 S 0 2300 26.6600 D 146387.0000 D Common Stock 2007-12-14 4 S 0 100 26.6650 D 146287.0000 D Common Stock 2007-12-14 4 S 0 100 26.6690 D 146187.0000 D Common Stock 2007-12-14 4 S 0 2600 26.6700 D 143587.0000 D Common Stock 2007-12-14 4 S 0 1800 26.6750 D 141787.0000 D Common Stock 2007-12-14 4 S 0 100 26.6760 D 141687.0000 D Common Stock 2007-12-14 4 S 0 1500 26.6800 D 140187.0000 D Common Stock 2007-12-14 4 S 0 1500 26.6850 D 138687.0000 D Common Stock 2007-12-14 4 S 0 200 26.6890 D 138487.0000 D Common Stock 2007-12-14 4 S 0 5400 26.6900 D 133087.0000 D Common Stock 2007-12-14 4 S 0 7800 26.6950 D 125287.0000 D Common Stock 2007-12-14 4 S 0 400 26.6990 D 124887.0000 D Common Stock 2007-12-14 4 S 0 37700 26.7000 D 87187.0000 D Common Stock 2007-12-14 4 S 0 1200 26.7050 D 85987.0000 D Common Stock 2007-12-14 4 S 0 3200 26.7100 D 82787.0000 D Common Stock 2007-12-14 4 S 0 2700 26.7150 D 80087.0000 D Common Stock 2007-12-14 4 S 0 1800 26.7200 D 78287.0000 D Common Stock 2007-12-14 4 S 0 5000 26.7300 D 73287.0000 D Common Stock 2007-12-14 4 S 0 700 26.7350 D 72587.0000 D This is form 1 of 10 for reporting Mr. Lord's transactions from December 14, 2007. By: Mary F. Eure (POA) 2007-12-18