LONDON–(BUSINESS WIRE)– 21-October-2026 Issue: Bank of Montréal Series 299 XS2547555594 Pursuant to our appointment as Agent for the above stated issue, please be advised of the following interest rate determination: Date From: 27-July-2026 Date To: 26-October-2026 Record Date: 23-October-2026 Value Date: 26-October-2026 Benchmark Rate: 3.74004% Margin: 1.2% Total Rate: 4.94004% Number of Days: 91 Day Count: Actual / 360 Interest Frequency: Quarterly Total Amount Due: USD 1,173,808.39 Intere