Print this releaseSeptember 20, 2023Bittium Corporation: SHARE REPURCHASE 20.9.2023 Bittium Corporation ANNOUNCEMENT 20.9.2023 Bittium Corporation: SHARE REPURCHASE 20.9.2023 In the Helsinki Stock Exchange Trade date 20.9.2023 Bourse trade Buy Share BITTI Amount 2 778 Shares Average price/ share 3,7247 EUR Total cost 10 347,22 EUR Bittium Corporation now holds a total of 192 607 shares including the shares repurchased on 20.9.2023 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 20 9 trades (Bitti 20.9 trades.xlsx)