Date Name Title Filing Type Shares Traded Price Total Held
Jan 26, 2011
VP Regul Devel & Med Safety
VP Regul Devel & Med Safety Form 4 Other acquisition or disposition -- -- 1,200
Jan 19, 2011
VP Regul Devel & Med Safety
VP Regul Devel & Med Safety Form 4 Open market or private sale of non-derivative or derivative security 700 $34.61 70,348
Jan 19, 2011
VP Regul Devel & Med Safety
VP Regul Devel & Med Safety Form 4 Open market or private sale of non-derivative or derivative security 699 $35.42 69,649
Jan 19, 2011
VP Regul Devel & Med Safety
VP Regul Devel & Med Safety Form 4 Other acquisition or disposition -- -- 1,200
Jan 19, 2011
VP Regul Devel & Med Safety
VP Regul Devel & Med Safety Form 4 Other acquisition or disposition -- -- 3,906
Jan 19, 2011
VP Regul Devel & Med Safety
VP Regul Devel & Med Safety Form 4 Other acquisition or disposition -- -- 16,147
Jan 19, 2011
VP Regul Devel & Med Safety
VP Regul Devel & Med Safety Form 4 Other acquisition or disposition -- -- 1,200
Jan 18, 2011
VP Regul Devel & Med Safety
VP Regul Devel & Med Safety Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 10,000 $9.49 76,956
Jan 18, 2011
VP Regul Devel & Med Safety
VP Regul Devel & Med Safety Form 4 Open market or private sale of non-derivative or derivative security 10,000 $34.99 66,956
Jan 18, 2011
VP Regul Devel & Med Safety
VP Regul Devel & Med Safety Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 8,812 $9.49 75,768

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