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1 © WÄRTSILÄ Update on the joint venture for Energy Storage WÄRTSILÄ ■ As communicated on 15 June 2026 , Wärtsilä has established a joint venture for Energy Storage with RCT Solutions Ownership structure is 50 % RCT Solutions and 50 % Wärtsilä In Q2 2026 , Energy Storage was discontinued as a separate reporting segment Prior to closing , Energy Storage is presented as a single line in result from discontinued operations and does not impact Wärtsilä's operating result . From closing onwards , Wärtsilä's 50 % stake in the joint venture will be reported as share of result in associates and joint ventures which is part of Wärtsilä's operating result ■ The closing date moved from Q3 2026 to today , 1 October 2026 , enabling a more precise estimation of the transaction's financial reporting impact Earlier statement : " The impact to Wärtsilä's 2026 operating result is estimated to be EUR -40 to -50 million ..... driven by recent low order intake as well as costs related to transformation actions , consisting mainly of write - down of capitalized R & D " Contrary to the earlier statement , the write - down was recognised in Q3 prior to the establishment of the joint venture . The financial impact to Wärtsilä's 2026 operating result is now estimated to be -10 to -15 million euros . The impact will not be classified as items affecting comparability Share of result of associates and joint ventures Result for the reporting period from the discontinued operations 1 ) Transaction result Q1 - Q2 Q3 Q4 -10 to -15 MEUR -4 MEUR Q3 operational result , R & D write - down TR¹ ) Total in discontinued operations ( No impact on operating result ) Latest best estimate : -10 to -20 million euros Total from JV ( Impacts operating result ) Latest best estimate : -10 to -15 million euros