Dimensional Fund Advisors Ltd., acting as an investment adviser and on behalf of affiliated investment advisers, disclosed an opening position of 1,955,256 Irish Continental Group Plc ordinary shares, representing 1.32% of the relevant securities, under Rule 8.3 of the Irish Takeover Panel Act, 1997 and Takeover Rules, 2022. Dimensional expressly disclaimed beneficial ownership of the shares. The filing recorded two sales on September 21, 2026, involving 3,022 shares and 3,644 shares, both at €7.94 per share. No cash-settled or stock-settled derivatives, indemnity arrangements, related agreements or understandings were disclosed. No Supplemental Form 8 was attached, and the disclosure was dated September 22, 2026.