Summa Defence Plc (in corporate restructuring) Company release, inside information 11 November 2026 at 16:15 EEST
Summa Defence Plc's ("Summa Defence") subsidiary Summa Energy Oy ("Summa Energy") has today filed a bankruptcy petition with the Helsinki District Court. The Board of Directors of Summa Energy has determined that the company's liabilities exceed its assets and that the company is insolvent.
On 9 October 2026, Summa Defence announced the commencement of corporate restructuring proceedings for Summa Defence and its subsidiary Summa Holding Oy, and Summa Defence has on 9 June 2026 announced that Summa Energy sells its business. Summa Energy's bankruptcy petition forms part of the restructuring-related turnaround measures announced by Summa Defence on 9 November 2026, which include arrangements to simplify the group structure and may also include, as one alternative, a controlled wind-down of loss-making subsidiaries.
SUMMA DEFENCE PLC
Board of Directors
Further information:
Robert Blumberg, CEO
Tel: +358 40 839 7408
Email: robert.blumberg@summadefence.com
Summa Defence in brief
Summa Defence Plc is a Finnish defence and security technology group whose mission is to create a strong industrial foundation from innovative defence and dual-use technology companies to strengthen the comprehensive security of society. Summa Defence operates in three focus areas: maritime technologies, land technologies and new technologies. The company's vision is to be a forerunner in comprehensive security.
The shares of Summa Defence Plc are listed on Nasdaq First North Growth Market in Sweden (SUMMAS) and Finland (SUMMA). www.summadefence.fi/en/
The Company's Certified Adviser is Augment Partners AB, info@augment.se, tel. +46 8 604 22 55.

