LONDON–(BUSINESS WIRE)– Re: Inter-American Development Bank USD 1,000,000,000.00 MATURING: 01-Aug-2029 ISIN: US4581X0EQ73 PLEASE BE ADVISED THAT THE INTEREST RATE FOR THE PERIOD 03-Aug-2026 TO 02-Nov-2026 HAS BEEN FIXED AT 4.13 PCT DAY BASIS: ACTUAL/360 INTEREST PAYABLE VALUE 02-Nov-2026 WILL AMOUNT TO: USD 10.44 PER USD 1,000.00 DENOMINATION