EXCHANGE NOTICE, SEPTEMBER 22, 2021 BONDS CHANGE IN THE AMOUNT OF INSTRUMENT ISSUED BY KUNTARAHOITUS OYJ Change in the amount 50,000,000 GBP. Updated identifiers as of September 23, 2021: Trading code: MUNIFIN GBP 250M 2025 ISIN code: XS2318615569 Amount: 565,000,000 GBP Nasdaq Helsinki Oy, Surveillance, survo@nasdaq.com, +358 9 6166 7260