Lehto Group Plc Stock exchange release 31 January 2025 at 17.05 (Finnish time) Lehto Group Plc (”Lehto”, Business ID: 2235443-2) has received a flagging notification from Keskinäinen Eläkevakuutusyhtiö Ilmarinen (“Ilmarinen”), pursuant to Chapter 9 Section 5 of th Finnish Securities Markets Act. According to the notification, the share of Ilmarinen's ownership and votes in Lehto Group Plc has exceeded five pecent (5%) on January 31, 2025. · Name of the notifier: Keskinäinen Eläkevakuutusyhtiö Ilmarinen · Basis of the notification: Convertible bond conversion as shares · Date of reaching the flagging threshold: 31 January 2025 The increase in ownership is related to conversion of Ilmarinen's investment in Lehto's 15 million euros convertible bond as shares in a directed share issue. After the conversion of the convertible bond, the number of Lehto's shares is a total of 162,339,410 shares. Each share has one (1) vote. The position of Ilmarinen according to the notification: % of % of shares Total Total number shares and voting of of shares and and rights both voting rights voting through in % of Lehto Group rights financial (A + Plc (A) instruments B) (B) Resulting 7,0839 - 7,0839 162 339 410 situation on the % % date on which threshold was crossed or reached Position of - - - - previous notification (if applicable) Notified details of the resulting situation on the date on which the threshold was crossed or reached: A: Shares and voting rights Class/type Number % of shares and voting rights ofsharesISIN of code shares and voting rights Direct Indirect Direct Indirect (SMA 9:5) (SMA 9:6 (SMA 9:5) (SMA 9:6 ja 9:7) and 9:7) FI4000081138 11 500 0 7,0839 % 0 000 SUBTOTAL A 11 500 7,0839 % 000 Additional information Veli-Pekka Paloranta, CFO +358 400 944 074