| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Mumford Gregory J.D. | Chief Financial Officer | C/O CIPHER MINING INC., 1 VANDERBILT AVENUE, FLOOR 54, NEW YORK | /s/ William Iwaschuk, Attorney-in-Fact for Gregory Mumford | 16 Oct 2025 | 0002090886 |
No securities are beneficially owned.
Exhibit 24 - Power of Attorney