Print this releaseJune 21, 2023Bittium Corporation: SHARE REPURCHASE 21.6.2023 Bittium Corporation ANNOUNCEMENT 21.6.2023 Bittium Corporation: SHARE REPURCHASE 21.6.2023 In the Helsinki Stock Exchange Trade date 21.6.2023 Bourse trade Buy Share BITTI Amount 2 800 Shares Average price/ share 4,3643 EUR Total cost 12 220,04 EUR Bittium Corporation now holds a total of 47 572 shares including the shares repurchased on 21.6.2023 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 6 trades (Bitti 21.6 trades.xlsx)