FRN Variable Rate Fix

Re: Inter-American Development Bank

USD 800,000,000.00

MATURING: 20-Mar-2028

ISIN: US4581X0DU94

PLEASE BE ADVISED THAT THE INTEREST RATE FOR THE PERIOD 22-Sep-2025 TO 22-Dec-2025

HAS BEEN FIXED AT 4.37 PCT

DAY BASIS: ACTUAL/360

INTEREST PAYABLE VALUE 22-Dec-2025 WILL AMOUNT TO:

USD 11.05 PER USD 1,000.00 DENOMINATION

View source version on businesswire.com: https://www.businesswire.com/news/home/20251215943166/en/