Date Name Title Filing Type Shares Traded Price Total Held
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 $21.92 65,706
Jan 10, 2012
VP Regulatory Development and
VP Regulatory Development and Form 4 Open market or private sale of non-derivative or derivative security 4,562 $74.35 61,144
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 $21.92 86,582
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 7,543 $73.92 79,039
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 6,891 $73.92 72,148
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 $20.32 97,182
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 -- --

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