| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Aug 01, 2014 | Director, Chairman, CEO and President | Form 4 | Open market or private sale of non-derivative or derivative security | 30,000 | $123.96 | 120,000 | |
| May 01, 2014 | Director, Chairman, CEO and President | Form 4 | Open market or private sale of non-derivative or derivative security | 30,000 | $121.10 | 30,000 | |
| Feb 11, 2014 | Director, Chairman, CEO and President | Form 4 | Open market or private sale of non-derivative or derivative security | 30,000 | $115.92 | 60,000 | |
| Nov 12, 2013 | Director, Chairman, CEO and President | Form 4 | Open market or private sale of non-derivative or derivative security | 30,000 | $109.18 | 398,808 | |
| Feb 19, 2014 | Corp. VP, Operations | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 30,100 | -- | 134,062 | |
| Feb 17, 2016 | Corp VP, Government Relations | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 30,123 | -- | 73,049 | |
| Feb 17, 2016 | Corp VP, Government Relations | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 30,123 | -- | 22,550 | |
| Feb 17, 2016 | Corp VP & Pres ES & CSO | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 30,123 | -- | 44,383 | |
| Feb 17, 2016 | Corp VP & Pres ES & CSO | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 30,123 | -- | 25,653 | |
| Feb 17, 2016 | Corp VP & Chf HR Ofcr | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 30,123 | -- | 60,526 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.