| Date | Name | Title | Type | Security | Shares | Price | Value | Ownership | Reported |
| 04/03/2018 | Dancy John | SVP, Chief Information Officer | Disposition | Common Stock | 306 | $0.00 | $0 | | 04/03/2018 |
| 04/03/2018 | Dancy John | SVP, Chief Information Officer | Disposition | Common Stock | 312 | $0.00 | $0 | 401(k) | 04/03/2018 |
| 04/03/2018 | Dancy John | SVP, Chief Information Officer | Disposition | Restricted Stock Units (PerformanceVested) | 4.2k | $0.00 | $0 | | 04/03/2018 |
| 04/03/2018 | Dancy John | SVP, Chief Information Officer | Disposition | Restricted Stock Units (PerformanceVested) | 6k | $0.00 | $0 | | 04/03/2018 |
| 04/03/2018 | Dancy John | SVP, Chief Information Officer | Disposition | Restricted Stock Units | 347 | $0.00 | $0 | | 04/03/2018 |
| 04/03/2018 | Dancy John | SVP, Chief Information Officer | Disposition | Restricted Stock Units | 11.7k | $0.00 | $0 | | 04/03/2018 |
| 04/03/2018 | Dancy John | SVP, Chief Information Officer | Disposition | Restricted Stock Units | 4k | $0.00 | $0 | | 04/03/2018 |
| 04/03/2018 | Dancy John | SVP, Chief Information Officer | Disposition | Restricted Stock Units | 7.4k | $0.00 | $0 | | 04/03/2018 |
| 04/03/2018 | Dancy John | SVP, Chief Information Officer | Disposition | Stock Options (right to buy) | 1.1k | $27.53 | $29.8k | | 04/03/2018 |
| 04/03/2018 | Dancy John | SVP, Chief Information Officer | Disposition | Stock Options (right to buy) | 11.6k | $24.77 | $287.3k | | 04/03/2018 |
| 04/03/2018 | Dancy John | SVP, Chief Information Officer | Disposition | Stock Options (right to buy) | 1.2k | $27.47 | $31.9k | | 04/03/2018 |
| 04/03/2018 | Nedzbala Paul | EVP, Health and Civil Group | Disposition | Common Stock | 405 | $0.00 | $0 | | 04/03/2018 |
| 04/03/2018 | Nedzbala Paul | EVP, Health and Civil Group | Disposition | Restricted Stock Units (PerformanceVested) | 2k | $0.00 | $0 | | 04/03/2018 |
| 04/03/2018 | Nedzbala Paul | EVP, Health and Civil Group | Disposition | Restricted Stock Units (PerformanceVested) | 9.4k | $0.00 | $0 | | 04/03/2018 |
| 04/03/2018 | Nedzbala Paul | EVP, Health and Civil Group | Disposition | Restricted Stock Units (PerformanceVested) | 15.9k | $0.00 | $0 | | 04/03/2018 |
| 04/03/2018 | Nedzbala Paul | EVP, Health and Civil Group | Disposition | Restricted Stock Units | 15.6k | $0.00 | $0 | | 04/03/2018 |
| 04/03/2018 | Nedzbala Paul | EVP, Health and Civil Group | Disposition | Restricted Stock Units | 10.6k | $0.00 | $0 | | 04/03/2018 |
| 04/03/2018 | Nedzbala Paul | EVP, Health and Civil Group | Disposition | Restricted Stock Units | 19.6k | $0.00 | $0 | | 04/03/2018 |
| 04/03/2018 | Nedzbala Paul | EVP, Health and Civil Group | Disposition | Stock Options (right to buy) | 8.2k | $27.53 | $225.8k | | 04/03/2018 |
| 04/03/2018 | Nedzbala Paul | EVP, Health and Civil Group | Disposition | Stock Options (right to buy) | 25.8k | $24.77 | $638.4k | | 04/03/2018 |
| 04/03/2018 | Nedzbala Paul | EVP, Health and Civil Group | Disposition | Stock Options (right to buy) | 5k | $15.98 | $80k | | 04/03/2018 |
| 04/03/2018 | BANSAL SANJU K | Director | Disposition | Common Stock | 10.1k | $0.00 | $0 | | 04/03/2018 |
| 04/03/2018 | BANSAL SANJU K | Director | Disposition | Restricted Stock Units | 5k | $0.00 | $0 | | 04/03/2018 |
| 04/03/2018 | BANSAL SANJU K | Director | Disposition | Restricted Stock Units | 3.9k | $0.00 | $0 | | 04/03/2018 |
| 04/03/2018 | Martin Craig L | Director | Disposition | Common Stock | 28.5k | $0.00 | $0 | | 04/03/2018 |
| 04/03/2018 | Martin Craig L | Director | Disposition | Restricted Stock Units | 5k | $0.00 | $0 | | 04/03/2018 |
| 04/03/2018 | Martin Craig L | Director | Disposition | Restricted Stock Units | 3.9k | $0.00 | $0 | | 04/03/2018 |
| 04/03/2018 | Flournoy Michele Angelique | Director | Disposition | Common Stock | 10.1k | $0.00 | $0 | | 04/03/2018 |
| 04/03/2018 | Flournoy Michele Angelique | Director | Disposition | Restricted Stock Units | 5k | $0.00 | $0 | | 04/03/2018 |
| 04/03/2018 | Flournoy Michele Angelique | Director | Disposition | Restricted Stock Units | 3.9k | $0.00 | $0 | | 04/03/2018 |
| 04/03/2018 | Haynes William J II | EVP, GC and Secretary | Disposition | Common Stock | 24.1k | $0.00 | $0 | | 04/03/2018 |
| 04/03/2018 | Haynes William J II | EVP, GC and Secretary | Disposition | Restricted Stock Units (PerformanceVested) | 4.9k | $0.00 | $0 | | 04/03/2018 |
| 04/03/2018 | Haynes William J II | EVP, GC and Secretary | Disposition | Restricted Stock Units (PerformanceVested) | 28.9k | $0.00 | $0 | | 04/03/2018 |
| 04/03/2018 | Haynes William J II | EVP, GC and Secretary | Disposition | Restricted Stock Units (PerformanceVested) | 24.6k | $0.00 | $0 | | 04/03/2018 |
| 04/03/2018 | Haynes William J II | EVP, GC and Secretary | Disposition | Restricted Stock Units | 21.4k | $0.00 | $0 | | 04/03/2018 |
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