| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Shah Neal S. | Chief Financial Officer | C/O NIOCORP DEVELOPMENTS LTD., 7000 YOSEMITE STREET, SUITE 115, CENTENNIAL | /s/ Neal S. Shah | 15 Dec 2025 | 0001688494 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NB | Common Shares | Exercise of in-the-money or at-the-money derivative security | $33,138 | +9,361 | +14% | $3.54 | 75,032 | 15 Dec 2025 | Direct |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NB | Common Share Purchase Warrant (right to buy) | Exercise of in-the-money or at-the-money derivative security | $0 | -9,361 | -100% | $0.000000 | 0 | 15 Dec 2025 | Common Shares | 9,361 | $3.54 | Direct |