| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Feb 20, 2018 | Corp VP & President AS Systems | Form 4 | Open market or private sale of non-derivative or derivative security | 3,226 | $351.06 | 9,134 | |
| Feb 20, 2018 | Corp VP & Chf HR Ofcr | Form 4 | Open market or private sale of non-derivative or derivative security | 1,600 | $354.29 | 31,836 | |
| Feb 20, 2018 | Corp VP & Chf HR Ofcr | Form 4 | Open market or private sale of non-derivative or derivative security | 6,444 | $353.26 | 25,392 | |
| Feb 18, 2018 | Corp VP & CTO | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 1,861 | -- | 11,385 | |
| Feb 18, 2018 | Corp VP & CTO | 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 | 889 | $350.36 | 10,496 | |
| Feb 18, 2018 | Corp VP & CTO | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 1,861 | -- | 3,827 | |
| Feb 18, 2018 | Corp VP, CFO | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 5,582 | -- | 36,993 | |
| Feb 18, 2018 | Corp VP, CFO | 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 | 2,697 | $350.36 | 34,296 | |
| Feb 18, 2018 | Corp VP, CFO | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 5,582 | -- | 12,250 | |
| Feb 18, 2018 | Director, Chairman and CEO | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 16,745 | -- | 50,629 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.