Print this releaseSeptember 21, 2023Bittium Corporation: SHARE REPURCHASE 21.9.2023 Bittium Corporation ANNOUNCEMENT 21.9.2023 Bittium Corporation: SHARE REPURCHASE 21.9.2023 In the Helsinki Stock Exchange Trade date 21.9.2023 Bourse trade Buy Share BITTI Amount 2 900 Shares Average price/ share 3,7900 EUR Total cost 10 991,00 EUR Bittium Corporation now holds a total of 195 507 shares including the shares repurchased on 21.9.2023 On behalf of Bittium Corporation Nordea Bank Oyj Janne Sarvikivi Sami Huttunen Further information: Kari Jokela CLO Tel. +358 40 344 5258 www.bittium.com Files Release (wkr0006.pdf) Bitti 21 9 trades (Bitti 21.9 trades.xlsx)