| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Feb 18, 2018 | CVP, President, Enterprise Svc | 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 | 273 | $350.36 | 5,880 | |
| Feb 18, 2018 | CVP, President, Enterprise Svc | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 604 | -- | 2,588 | |
| Feb 18, 2018 | President and COO | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 5,954 | -- | 90,688 | |
| Feb 18, 2018 | President and COO | 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 | 2,686 | $350.36 | 88,002 | |
| Feb 18, 2018 | President and COO | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 5,954 | -- | 14,748 | |
| Feb 15, 2018 | Director, Chairman and CEO | Form 4 | Other acquisition or disposition | -- | -- | 63,980 | |
| Feb 15, 2018 | Director, Chairman and CEO | Form 4 | Other acquisition or disposition | -- | -- | 5,544 | |
| Feb 15, 2018 | Director, Chairman and CEO | Form 4 | Other acquisition or disposition | -- | -- | 63,979 | |
| Feb 15, 2018 | Director, Chairman and CEO | Form 4 | Other acquisition or disposition | -- | -- | 259,053 | |
| Feb 15, 2018 | Corp VP & Pres, Mission System | Form 4 | Other acquisition or disposition | -- | -- | 35 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.