HOOKIPA Pharma Inc. (“HOOKIPA”) Statement regarding potential combination for Poolbeg Pharma plc (“Poolbeg”)

Group 1 - HOOKIPA Pharma Inc. has announced that it does not intend to make an offer for Poolbeg Pharma plc following non-binding discussions for an all-share acquisition [3] - The announcement is made in accordance with Rule 2.8 of the City Code on Takeovers and Mergers [3][4] - The Board of HOOKIPA had previously extended discussions regarding the potential acquisition, but has now decided against proceeding [3] Group 2 - HOOKIPA and associated parties reserve the right to set aside restrictions under Rule 2.8 under certain circumstances, including agreement from Poolbeg's board or a firm intention to make an offer by a third party [4] - The announcement constitutes inside information as per the Market Abuse Regulation [2]