| Name | Relationship | Address | Signature | Signature date | CIK | 
|---|---|---|---|---|---|
| TYLER BRIAN S. | Chief Executive Officer, Director | 6555 STATE HWY 161, IRVING | /s/ Sarah Ahmad Ali, Attorney-in-fact | 2025-05-28 | 0001382297 | 
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes | 
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MCK | Common Stock | Options Exercise | $0 | +4.58K | +7.08% | $0.00 | 69.3K | May 23, 2025 | Direct | |
| transaction | MCK | Common Stock | Tax liability | -$1.31M | -1.83K | -2.64% | $716.09 | 67.5K | May 23, 2025 | Direct | F1 | 
| transaction | MCK | Common Stock | Options Exercise | $0 | +5.27K | +7.82% | $0.00 | 72.7K | May 24, 2025 | Direct | |
| transaction | MCK | Common Stock | Tax liability | -$1.52M | -2.12K | -2.91% | $716.09 | 70.6K | May 24, 2025 | Direct | F1 | 
| holding | MCK | Common Stock | 215 | May 23, 2025 | By the McKesson Corporation 401(k) Retirement Savings Plan | 
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MCK | Restricted Stock Units (RSUs) | Options Exercise | $0 | -4.58K | -50% | $0.00 | 4.58K | May 23, 2025 | Common Stock | 4.58K | $0.00 | Direct | F2 | 
| transaction | MCK | Restricted Stock Units (RSUs) | Options Exercise | $0 | -5.27K | -100% | $0.00 | 0 | May 24, 2025 | Common Stock | 5.27K | $0.00 | Direct | F3 | 
| Id | Content | 
|---|---|
| F1 | This transaction represents a withholding of shares to cover taxes applicable to a vesting of RSUs also reported on this Form 4. | 
| F2 | These RSUs vested as to 1/3 on 5/23/2024, 1/3 on 5/23/2025 and will vest 1/3 on 5/23/2026. | 
| F3 | These RSUs vested as to 1/3 on 5/24/2023, 1/3 on 5/24/2024 and 1/3 on 5/24/2025. |