LONDON–(BUSINESS WIRE)– As Agent Bank, please be advised of the following rate determined on: 9/11/2026 Issue ¦ Great Hall Mortgages No.1 plc – Series 2006-01 – Class Ba GBP 25,800,000 FRN due June 2038 ISIN Number ¦ XS0276086989 ISIN Reference ¦ 27608698 Issue Nomin GBP ¦ 25800000 Period ¦ 6/18/2026 to 9/18/2026 Payment Date 9/18/2026 Number of Days ¦ 92 Rate ¦ 4.12711 Denomination GBP ¦ 100000 ¦ 25800000 ¦ Amount Payable per Denomination ¦ 273.61 ¦ 70591.38 ¦ Ba