Enersense International Plc: Flagging notification under chapter 9, section 10 of the Securities Markets Act Enersense International Plc Stock Exchange Release 14 September 2021 at 9.30 am Enersense International Plc has received a notification under chapter 9, section 5 of the Securities Markets Act from MBÅ Invest Oy. According to the notification, the shareholding of MBÅ Invest Oy in Enersense International Plc has fallen to 16.82% of all shares in Enersense International Plc on 13 September 2021. According to the notification, the company holds a total of 2 253 072 shares in Enersense International Plc, which corresponds to 16.82% of all shares and voting rights in Enersense International Plc. 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 16.82% – 16.82% 13 397 729 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 2 253 072 – 16.82% – A TOTAL 2 253 072 16.82% 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 MBÅ Invest Oy 16.82% – 16.82%