Wärtsilä Corporation, Stock exchange release, 14 October 2025 at 08:30 Wärtsilä's financial information and Annual General Meeting in 2026 Wärtsilä will publish the following financial information in 2026: · Financial Statements Bulletin January-December 2025 on Wednesday, 4 February 2026 · Interim Report January-March 2026 on Tuesday, 28 April 2026 · Half-year Financial Report January-June 2026 on Tuesday, 21 July 2026 · Interim Report January-September 2026 on Tuesday, 27 October 2026 The Annual Report for the year 2025 will be published latest on Thursday 19 February 2026, three weeks before the Annual General Meeting. Wärtsilä's Annual General Meeting is planned to be held on Thursday, 12 March 2026. Wärtsilä's Board of Directors will summon the meeting at a later date. For further information, please contact: Hanna-Maria Heikkinen Vice President, Investor Relations Tel: +358 10 709 1461 hanna-maria.heikkinen@wartsila.com Wärtsilä in brief Wärtsilä is a global leader in innovative technologies and lifecycle solutions for the marine and energy markets. We emphasise innovation in sustainable technology and services to help our customers continuously improve environmental and economic performance. Our dedicated and passionate team of 18,300 professionals in more than 230 locations in 77 countries shape the decarbonisation transformation of our industries across the globe. In 2024, Wärtsilä's net sales totalled EUR 6.4 billion. Wärtsilä is listed on Nasdaq Helsinki. www.wartsila.com