Enersense International Plc: Flagging notification under chapter 9, section 10 of the Securities Markets Act (Petri Suokas) Enersense International Plc Stock exchange release 3 April 2023 at 5:10 p.m. Enersense International Plc has received a notification under chapter 9, section 5 of the Securities Markets Act according to which Petri Suokas’s and entities’ in which he exercises control shareholding of Enersense International Plc’s all shares and voting rights has exceeded the 5 % threshold on 1 April 2023. The entity, Suotuuli Oy, in which Petri Suokas exercises control, received a total of 680,020 shares in Enersense International Plc as a Merger Consideration due to the merger of MBÅ Invest Oy into Enersense International Plc as described in Enersense International Plc’s stock exchange release on 27 March 2023. According to the notification, the total position of the party under the flagging obligation is: % of shares and voting rights % of shares and voting rights through financial instruments Total % Total number of shares and voting rights of issuer Resulting situation on the date on which threshold was crossed or reached 5.66 – 5.66 933,092 Position announced in the previous flagging 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 of sharesISIN code (if possible) Number of shares and voting rights % of shares and voting rights Direct (SMA 9:5) Indirect (SMA 9:6 and 9:7) Direct (SMA 9:5) Indirect (SMA 9:6 and 9:7) FI4000301585 12,210 920,882 0.07 5.58 A TOTAL 933,092 5.66 Information about the party under the flagging obligation and about the entire chain of controlled undertakings through which shares, voting rights or financial instruments are effectively held: Name % of shares and voting rights % of shares and voting rights through financial instruments Total shares, voting rights and financial instruments Petri Suokas 0.07 – 12,210 Siementila Suokas Oy 1.46 – 240,860 Suotuuli Oy 4.12 – 680,022 ENERSENSE INTERNATIONAL PLC Tommi Manninen SVP, Communications and Public Affairs Further information: Tommi Manninen, SVP, Communications and Public Affairs Telephone: +358 40 043 7515 Email: tommi.manninen@enersense.com DISTRIBUTION Nasdaq Helsinki Major media www.enersense.fi Flagging_notification_PetriSuokas_03042023