| 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 | 2025-05-21 | 0001382297 | 
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes | 
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MCK | Common Stock | Award | $0 | +32.8K | +76.83% | $0.00 | 75.6K | May 20, 2025 | Direct | F1 | 
| transaction | MCK | Common Stock | Tax liability | -$9.33M | -13K | -17.17% | $719.19 | 62.6K | May 20, 2025 | Direct | F2 | 
| holding | MCK | Common Stock | 215 | May 20, 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) | Award | $0 | +9.57K | $0.00 | 9.57K | May 20, 2025 | Common Stock | 9.57K | $0.00 | Direct | F3 | 
| Id | Content | 
|---|---|
| F1 | This transaction represents the settlement of performance stock units ("PSUs") which vested upon attainment of performance goals. | 
| F2 | This transaction represents the withholding of shares to cover taxes applicable to a settlement of PSUs also reported on this Form 4 | 
| F3 | These RSUs will vest 1/3 on 5/20/2026, 1/3 on 5/20/2027 and 1/3 on 5/20/2028. |