| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Feb 13, 2018 | Corp VP & Pres Tech Svcs | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 2,710 | -- | 16,597 | |
| Feb 13, 2018 | Corp VP & Pres Tech Svcs | Form 4/A | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 16,275 | -- | 74,461 | |
| Feb 13, 2018 | Corp VP & Pres Tech Svcs | Form 4/A | 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 | 7,228 | -- | 67,233 | |
| Feb 13, 2018 | Corp VP & Pres Tech Svcs | Form 4/A | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 16,275 | -- | 26,012 | |
| Feb 13, 2018 | Corp VP, Government Relations | Form 4/A | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 2,530 | -- | 15,120 | |
| Feb 13, 2018 | Corp VP, Government Relations | Form 4/A | 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 | 853 | -- | 14,267 | |
| Feb 13, 2018 | Corp VP, Government Relations | Form 4/A | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 2,530 | -- | 6,977 | |
| Feb 13, 2018 | Corp VP, Government Relations | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 2,530 | -- | 15,120 | |
| Feb 13, 2018 | Corp VP, Government Relations | 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 | 880 | -- | 14,240 | |
| Feb 13, 2018 | Corp VP, Government Relations | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 3,780 | -- | 9,508 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.