X0202 4 2007-12-06 0000873364 CEPHALON INC CEPH 0001209720 VAUGHT JEFFRY L 41 MOORES RD. FRAZER PA 19355 0 1 0 0 Exec. VP & Pres., R&D Common Stock 2007-12-06 4 M 0 10000 27.625 A 65757 D Common Stock 2007-12-06 4 M 0 35000 51.17 A 100757 D Common Stock 2007-12-06 4 M 0 25000 51.125 A 125757 D Common Stock 2007-12-06 4 S 0 64500 77.00 D 61257 D Common Stock 2007-12-06 4 S 0 400 77.01 D 60857 D Common Stock 2007-12-06 4 S 0 300 77.02 D 60557 D Common Stock 2007-12-06 4 S 0 500 77.03 D 60057 D Common Stock 2007-12-06 4 S 0 300 77.04 D 59757 D Common Stock 2007-12-06 4 S 0 600 77.05 D 59157 D Common Stock 2007-12-06 4 S 0 600 77.06 D 58557 D Common Stock 2007-12-06 4 S 0 300 77.07 D 58257 D Common Stock 2007-12-06 4 S 0 300 77.09 D 57957 D Common Stock 2007-12-06 4 S 0 100 77.10 D 57857 D Common Stock 2007-12-06 4 S 0 900 77.13 D 56957 D Common Stock 2007-12-06 4 S 0 200 77.14 D 56757 D Common Stock 2007-12-06 4 S 0 1000 77.15 D 55757 D Non-Qualified Stock Option 51.125 2007-12-06 4 M 0 22440 0 D 2004-12-13 2010-12-13 Common Stock 22440 0 D Incentive Stock Option 51.125 2007-12-06 4 M 0 2560 0 D 2004-12-13 2010-12-13 Common Stock 2560 0 D Non-Qualified Stock Option 51.17 2007-12-06 4 M 0 35000 0 D 2006-12-20 2012-12-20 Common Stock 35000 0 D Non-Qualfied Stock Option 27.625 2007-12-06 4 M 0 4128 0 D 2003-12-15 2009-12-15 Common Stock 4128 0 D Incentive Stock Option 27.625 2007-12-06 4 M 0 5872 0 D 2003-12-15 2009-12-15 Common Stock 5872 0 D Options vest 25% on each annual anniversary of grant and are fully vested 4 years from date of grant. Options expire ten years from date of grant. Carolyn S. Iosca, Attorney-in-Fact For: Jeffry L. Vaught 2007-12-07