| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Gibbs Jonathan | Officer | C/O RIOT PLATFORMS, INC., 3855 AMBROSIA STREET, SUITE 301, CASTLE ROCK | /s/ Jamie Amentler, Attorney-in-Fact for Jonathan Gibbs | 11 Jun 2025 | 0002071620 |
No securities are beneficially owned.
Effective as of June 1, 2025, the Reporting Person was appointed to serve as the Issuer's Chief Data Center Officer ("CDCO").