Date Name Title Filing Type Shares Traded Price Total Held
Jan 10, 2012
VP Regulatory Development and
VP Regulatory Development and Form 4 Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 6,881 $73.92 90,301
Jan 10, 2012
VP Regulatory Development and
VP Regulatory Development and Form 4 Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 7,009 $73.92 83,292
Jan 10, 2012
VP Regulatory Development and
VP Regulatory Development and Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 4,966 -- --
Jan 10, 2012
VP Regulatory Development and
VP Regulatory Development and Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 4,562 -- --
Jan 10, 2012
VP Regulatory Development and
VP Regulatory Development and Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 25,034 -- --
Jan 10, 2012
VP Regulatory Development and
VP Regulatory Development and Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 25,438 -- --
Dec 20, 2011
VP Regulatory Development and
VP Regulatory Development and Form 4 Other acquisition or disposition -- -- 1,200
Dec 20, 2011
VP Regulatory Development and
VP Regulatory Development and Form 4 Other acquisition or disposition -- -- 4,187
Dec 20, 2011
VP Regulatory Development and
VP Regulatory Development and Form 4 Other acquisition or disposition -- -- 1,200
Dec 16, 2011
VP Regulatory Development and
VP Regulatory Development and Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 1,921 -- 1,921

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