EXCHANGE NOTICE, MAY 12, 2021 SHARES (Record Id 173373) OUTOKUMPU OYJ: DIRECTED ISSUE A total of 40,500,000 shares will be traded as old shares as of May 14, 2021. Identifiers of Outokumpu Oyj's share: Trading code: OUT1V ISIN code: FI0009002422 Orderbook id: 24321 Number of shares: 456,874,448 Nasdaq Helsinki Oy, Surveillance, survo@nasdaq.com, +358 9 6166 7260