| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Tomlinson Patrick | President and CEO, Mercer | 1166 AVENUE OF THE AMERICAS, NEW YORK | /s/ Tessa Patti, Attorney-in-fact | 17 Mar 2026 | 0002016426 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MRSH | Common Stock | Options Exercise | +1,228 | +34% | $0.000000* | 4,883 | 15 Mar 2026 | Direct | F1 | |
| transaction | MRSH | Common Stock | Tax liability | -627 | -13% | $172.15* | 4,256 | 15 Mar 2026 | Direct | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MRSH | Restricted Stock Units | Options Exercise | -1,228 | -20% | $0.000000* | 4,854 | 15 Mar 2026 | Common Stock | 1,228 | Direct | F1, F2, F3 |
| Id | Content |
|---|---|
| F1 | Vesting and distribution to reporting person of 1,228 shares underlying restricted stock units of which 627 shares were withheld by Marsh & McLennan Companies to cover applicable taxes. These 1,228 shares underlying restricted stock units were granted on March 1, 2023. |
| F2 | The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. |
| F3 | Not Applicable. |