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 0 400 27.6450 D 238850.0000 D Common Stock 2007-12-14 4 S 0 100 27.6490 D 238750.0000 D Common Stock 2007-12-14 4 S 0 26400 27.6500 D 212350.0000 D Common Stock 2007-12-14 4 S 0 2200 27.6550 D 210150.0000 D Common Stock 2007-12-14 4 S 0 200 27.6590 D 209950.0000 D Common Stock 2007-12-14 4 S 0 5500 27.6600 D 204450.0000 D Common Stock 2007-12-14 4 S 0 500 27.6650 D 203950.0000 D Common Stock 2007-12-14 4 S 0 100 27.6690 D 203850.0000 D Common Stock 2007-12-14 4 S 0 6100 27.6700 D 197750.0000 D Common Stock 2007-12-14 4 S 0 400 27.6750 D 197350.0000 D Common Stock 2007-12-14 4 S 0 23000 27.6800 D 174350.0000 D Common Stock 2007-12-14 4 S 0 900 27.6850 D 173450.0000 D Common Stock 2007-12-14 4 S 0 100 27.6880 D 173350.0000 D Common Stock 2007-12-14 4 S 0 100 27.6890 D 173250.0000 D Common Stock 2007-12-14 4 S 0 4800 27.6900 D 168450.0000 D Common Stock 2007-12-14 4 S 0 2500 27.6950 D 165950.0000 D Common Stock 2007-12-14 4 S 0 37800 27.7000 D 128150.0000 D Common Stock 2007-12-14 4 S 0 2400 27.7050 D 125750.0000 D Common Stock 2007-12-14 4 S 0 10800 27.7100 D 114950.0000 D Common Stock 2007-12-14 4 S 0 1200 27.7150 D 113750.0000 D Common Stock 2007-12-14 4 S 0 12480 27.7200 D 101270.0000 D Common Stock 2007-12-14 4 S 0 1600 27.7250 D 99670.0000 D Common Stock 2007-12-14 4 S 0 9400 27.7300 D 90270.0000 D Common Stock 2007-12-14 4 S 0 1000 27.7350 D 89270.0000 D Common Stock 2007-12-14 4 S 0 4900 27.7400 D 84370.0000 D Common Stock 2007-12-14 4 S 0 1900 27.7450 D 82470.0000 D Common Stock 2007-12-14 4 S 0 10500 27.7500 D 71970.0000 D Common Stock 2007-12-14 4 S 0 1600 27.7600 D 70370.0000 D Common Stock 2007-12-14 4 S 0 800 27.7680 D 69570.0000 D Common Stock 2100.0000 I By Immediate Family This is form 9 of 10 for reporting Mr. Lord's transactions from December 14, 2007. By: Mary F. Eure (POA) 2007-12-18