FRN Variable Rate Fix

Re: Inter-American Development Bank

USD 1,000,000,000.00

MATURING: 12-Apr-2027

ISIN: US4581X0ED60

PLEASE BE ADVISED THAT THE INTEREST RATE FOR THE PERIOD 14-Oct-2025 TO 12-Jan-2026

HAS BEEN FIXED AT 4.27 PCT

DAY BASIS: ACTUAL/360

INTEREST PAYABLE VALUE 12-Jan-2026 WILL AMOUNT TO:

USD 10.68 PER USD 1,000.00 DENOMINATION

View source version on businesswire.com: https://www.businesswire.com/news/home/20260105353126/en/