SCHEDULE 13G 0002110306 XXXXXXXX LIVE Class A Ordinary Shares, $0.0035 nominal value per share 01/04/2026 0001819794 Fusion Fuel Green PLC G3R25D209 9 Pembroke Street Upper Dublin L2 D02 KR83 Rule 13d-1(c) Lantern Management Fund LP E9 0.00 1749184.00 0.00 1749184.00 1749184.00 N 9.99 PN Includes 1,519,559 Warrants (as defined below) to purchase Class A Ordinary Shares. The Warrants contain provisions preventing exercise if such exercise would result in the Reporting Persons beneficially owning greater than 9.99% of the outstanding Class A Ordinary Shares when aggregated with all other Class A Ordinary Shares beneficially owned. As a result, at any given time, the Reporting Persons may be deemed to beneficially own Class A Ordinary Shares underlying the Warrants only to the extent their total beneficial ownership does not exceed 9.99%. Lantern Management Fund GP E9 0.00 1749184.00 0.00 1749184.00 1749184.00 N 9.99 PN Includes 1,519,559 Warrants (as defined below) to purchase Class A Ordinary Shares. The Warrants contain provisions preventing exercise if such exercise would result in the Reporting Persons beneficially owning greater than 9.99% of the outstanding Class A Ordinary Shares when aggregated with all other Class A Ordinary Shares beneficially owned. As a result, at any given time, the Reporting Persons may be deemed to beneficially own Class A Ordinary Shares underlying the Warrants only to the extent their total beneficial ownership does not exceed 9.99%. Fusion Fuel Green PLC 9 Pembroke Street Upper, Dublin, Ireland D02 KR83 Each of the following is hereinafter individually referred to as a "Reporting Person" and collectively as the "Reporting Persons." This statement is filed on behalf of: Lantern Management Fund LP Lantern Management Fund GP The principal address of the Reporting Persons is CO SERVICES CAYMAN LIMITED, Willow House, Cricket Square, Grand Cayman KY1-1001, Cayman Islands. The Reporting Persons are organized under the laws of the Cayman Islands. Y The ownership information presented below represents beneficial ownership of the Class A Ordinary Shares as of the date hereof, based upon 2,345,718 Class A Ordinary Shares outstanding as of January 26, 2026, as provided by the Issuer. Lantern Management Fund LP is the record holder of (i) 229,625 Class A Ordinary Shares, (ii) prefunded warrants to purchase an aggregate of 281,815 Class A Ordinary Shares at an exercise price of $0.0035 per share (the "Pre-Funded Warrants"), (iii) warrants to purchase an aggregate of 786,886 Class A Ordinary Shares at an exercise price of $3.50 per share (the "$3.50 Warrants"), and (iv) warrants to purchase an aggregate of 450,858 Class A Ordinary Shares at an exercise price of $5.00 per share (the "$5.00 Warrants," and together with the Pre-Funded Warrants and $3.50 Warrants, the "Warrants"). The Warrants are immediately exercisable. The Pre-Funded Warrants do not expire, and the $3.50 Warrants and $5.00 Warrants expire on July 25, 2028. The Warrants contain provisions preventing exercise if such exercise would result in the Reporting Persons beneficially owning greater than 9.99% of the outstanding Class A Ordinary Shares when aggregated with all other Class A Ordinary Shares beneficially owned. As a result, at any given time, the Reporting Persons may be deemed to beneficially own Class A Ordinary Shares underlying the Warrants only to the extent their total beneficial ownership does not exceed 9.99%. Lantern Management Fund GP is the general partner of Lantern Management Fund LP. Voting and investment decisions with respect to the securities held by Lantern Management Fund LP are made by the investment committee of Lantern Management Fund GP, which is comprised of three members and acts by majority vote. 9.99% 0 1,749,184 0 1,749,184 Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. 99.1: Joint Filing Agreement Lantern Management Fund LP /s/ Michael John McCaffrey 02/13/2026 Lantern Management Fund GP /s/ Michael John McCaffrey 02/13/2026