Exhibit 21.1
List of Subsidiaries of NioCorp Developments Ltd. (the “Company”)
| Name | State/Province
of Formation |
Ownership | ||
| 0896800 B.C. Ltd. (“0896800”) | British Columbia | 100% | ||
| Elk Creek Resources Corp. | Delaware | 80.42%(1) | ||
| NioCorp Technologies Limited | United Kingdom | 100% |
| (1) | Represents 100% of Class A common stock owned by 0896800, and 3,934,031 Vested Shares and 3,391,596 Earnout Shares (each as defined in the Company’s Annual Report on Form 10-K for the year ended June 30, 2025) held by third parties, and outstanding as of June 30, 2025. |