LONDON–(BUSINESS WIRE)– Re: Inter-American Development Bank USD 500,000,000.00 MATURING: 04-Oct-2027 ISIN: US4581X0EG91 PLEASE BE ADVISED THAT THE INTEREST RATE FOR THE PERIOD 06-Jul-2026 TO 05-Oct-2026 HAS BEEN FIXED AT 4.03 PCT DAY BASIS: ACTUAL/360 INTEREST PAYABLE VALUE 05-Oct-2026 WILL AMOUNT TO: USD 10.18 PER USD 1,000.00 DENOMINATION