| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Ingargiola Luisa | Director | C/O FUSION FUEL GREEN PLC, 9 PEMBROKE STREET UPPER, DUBLIN, IRELAND | /s/ Luisa Ingargiola | 18 Mar 2026 | 0001447277 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | HTOO | Share Option (Right to Buy) | 18 Mar 2026 | Class A Ordinary Shares | 29,240 | $4.53 | Direct |