LONDON–(BUSINESS WIRE)– Re: Inter-American Development Bank USD 1,500,000,000.00 MATURING: 15-Feb-2029 ISIN: US4581X0EC87 PLEASE BE ADVISED THAT THE INTEREST RATE FOR THE PERIOD 17-Aug-2026 TO 16-Nov-2026 HAS BEEN FIXED AT 4.10 PCT DAY BASIS: ACTUAL/360 INTEREST PAYABLE VALUE 16-Nov-2026 WILL AMOUNT TO: USD 10.37 PER USD 1,000.00 DENOMINATION