Stora Enso Oyj: Stora Enso shares converted

STORA ENSO OYJ STOCK EXCHANGE RELEASE 17 August 2026 at 09:00 EEST During the 1 June-31 July 2026 conversion period there were five conversions, and a total of 22,260 A shares were converted into R shares. The shares were recorded in the Finnish trade register today, 17 August 2026, and trading in the new R shares will start on 18 August 2026. Breakdown of shares after conversion: A shares 175,511,884 R shares 613,108,103 Total 788,619,987 Each A share and every ten R shares carry one vote. The total amount of votes after the conversion is at least 236,822,694. For further information, please contact: Jutta Mikkola SVP Investor Relations tel. +358 50 544 6061 Stora Enso Stora Enso is a global leader in renewable materials with a strong focus on packaging. Our purpose is to replace non-renewable materials with renewable solutions. Together with our customers, we design and deliver competitive, high-quality packaging materials and solutions, made from fresh and recycled fibers, accelerating the transition to a circular bioeconomy. Stora Enso has approximately 19,000 employees and our sales in 2025 were EUR 9.3 billion. Stora Enso's shares are listed on Nasdaq Helsinki Oy (STEAV, STERV) and Nasdaq Stockholm AB (STE A, STE R). In addition, the shares are traded on OTC Markets (OTCQX) in the USA as ADRs and ordinary shares (SEOAY, SEOFF, SEOJF). STORA ENSO OYJ For further information, please contact: Jutta Mikkola SVP Investor Relations tel. +358 50 544 6061