| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Rattner Benjamin F | Director | C/O M3-BRIGADE ACQUISITION VI CORP., 1700 BROADWAY, 19TH FLOOR, NEW YORK | /s/ Charles Garner, as attorney-in-fact for Benjamin Fader-Rattner | 26 Aug 2025 | 0001851690 |
No securities are beneficially owned.
Exhibit 24.1 - Power of Attorney