Date Name Title Filing Type Shares Traded Price Total Held
Apr 20, 2007
SVP, Research & Devel Sciences
SVP, Research & Devel Sciences Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 25,000 -- 25,000
Apr 23, 2007
SVP, Research & Devel Sciences
SVP, Research & Devel Sciences Form 4 Open market or private sale of non-derivative or derivative security 264 $25.41 15,021
Apr 23, 2007
SVP, Research & Devel Sciences
SVP, Research & Devel Sciences Form 4 Open market or private sale of non-derivative or derivative security 69 $25.44 14,952
Apr 23, 2007
SVP, Research & Devel Sciences
SVP, Research & Devel Sciences Form 4 Open market or private sale of non-derivative or derivative security 208 $25.45 14,744
Apr 23, 2007
SVP, Research & Devel Sciences
SVP, Research & Devel Sciences Form 4 Open market or private sale of non-derivative or derivative security 1 $25.49 14,743
Apr 23, 2007
SVP, Research & Devel Sciences
SVP, Research & Devel Sciences Form 4 Open market or private sale of non-derivative or derivative security 152 $25.50 14,591
Apr 23, 2007
SVP, Research & Devel Sciences
SVP, Research & Devel Sciences Form 4 Open market or private sale of non-derivative or derivative security 486 $25.55 14,105
Apr 23, 2007
SVP, Research & Devel Sciences
SVP, Research & Devel Sciences Form 4 Open market or private sale of non-derivative or derivative security 139 $25.56 13,966
Apr 23, 2007
SVP, Research & Devel Sciences
SVP, Research & Devel Sciences Form 4 Open market or private sale of non-derivative or derivative security 70 $25.57 13,896
Apr 23, 2007
SVP, Research & Devel Sciences
SVP, Research & Devel Sciences Form 4 Open market or private sale of non-derivative or derivative security 5,972 $25.60 7,924

* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.