LONDON–(BUSINESS WIRE)– As Agent Bank, please be advised of the following rate determined on: 10/9/2026 Issue ¦ Bank of Montreal Series No CBL40 GBP 1,000,000,000 FRN Due in April 2029 ISIN Number ¦ XS3344408268 ISIN Reference ¦ 334440826 Issue Nomin GBP ¦ 1000000000 Period ¦ 7/16/2026 to 10/16/2026 Payment Date 10/16/2026 Number of Days ¦ 92 Rate ¦ 4.24819 Denomination GBP ¦ 1000 ¦ 1000000000 ¦ Amount Payable per Denomination ¦ 10.71 ¦ 10707766.58 ¦ Bank of New Y