FUSION FUEL GREEN PLC

Ticker: HTOO CUSIP: G3R25D209 Class: FOREIGN ORDINARIES

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 1 Value ($000) $0 Avg Close $4.12 Range $2.92 - $5.42

Q3 2025

Shares 1 Value ($000) $0 Avg Close $4.88 Range $3.41 - $12.63

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1	$0	$4.12	$2.92 - $5.42
Q3 2025	1	$0	$4.88	$3.41 - $12.63