Wärtsilä Corporation, Stock exchange release, 7 May 2025 at 21:15 Wärtsilä completes the repurchases of own shares As communicated on 25 April 2025, the Board of Directors of Wärtsilä Corporation decided to use the authorisation given by the Annual General Meeting held on 13 March 2025 to repurchase the company's own shares. The repurchases started on 28 April 2025 and ended on 7 May 2025. During this period, Wärtsilä repurchased 1,000,000 shares for an average price of EUR 16.2873 per share, corresponding to approximately 0.169% of the total number of the company's shares, which is 591,723,390. The repurchased shares are to be used for pay-outs under the share-based incentive programmes of Wärtsilä Corporation. The shares were repurchased through public trading on Nasdaq Helsinki at the market price prevailing at the time of repurchase. Following the repurchases, the company holds a total of 3,286,430 shares. Wärtsilä Corporation Board of Directors For further information, please contact: Nora Steiner-Forsberg Executive Vice President, Legal and Compliance Tel. +358 10 709 0000 nora.steiner-forsberg@wartsila.com 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