Qt Group Plc Stock exchange release 3 November 2023 at 1:00 pm EET The overall holding of Qt Group Plc's shares and voting rights within the funds managed by Ilmarinen Mutual Pension Insurance Company exceeds 5 % flagging threshold according to a notification Qt Group Oyj received on 2 November 2023 under Chapter 9, Section 10 of the Securities Markets Act (SMA). The threshold was crossed on 1 November 2023. The total number of Qt Group Plc shares outstanding is 25,470,211 The total position of Notifier subject to the notification: % of % of shares and Total Total shares and voting rights of number of voting through financial both shares rights instruments (total in % and voting (total of B) (A+B) rights of of A) issuer Resulting 5.0587 0 5.0587 1288450 situation on the date on which threshold was crossed or reached Position of 4.88 0 4.88 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|% of shares and voting rights| |of shares | | | +------------+---------+------------------------+---------+-------------------+ | |Direct |Indirect |Direct |Indirect | | | | | | | | |(SMA 9:5)|(SMA 9:6 and 9:7) |(SMA 9:5)|(SMA 9:6 and 9:7) | +------------+---------+------------------------+---------+-------------------+ |FI4000198031|1288450 |0 |5 |0 | +------------+---------+------------------------+---------+-------------------+ |SUBTOTAL A |1288450 | |5 | | +------------+---------+------------------------+---------+-------------------+ B: Financial instruments according to SMA 9:6a +----------+----------+-----------+----------+----------+---------------+ |Type of |Expiration|Exercise/Co|Physical |Number of |% of shares and| | | |nversion |or cash |shares and| | |financial |date | | | |voting rights | |instrument| |period |settlement|voting | | | | | | |rights | | +----------+----------+-----------+----------+----------+---------------+ | | | | | | | +----------+----------+-----------+----------+----------+---------------+ | |SUBTOTAL B| | | +----------+----------+-----------+----------+----------+---------------+ Additional information: Mika Pälsi, General Counsel, Qt Group Plc Tel. +358 9 8861 8040, mika.palsi@qt.io Distribution: Nasdaq Helsinki Key media www.qt.io