Stora Enso Oyj

Declaration of Voting Results & Voting Rights Announcements • Feb 15, 2023

Disclosure 428229

Stora Enso Oyj - Total number of voting rights and capital

Stora Enso shares converted

STORA ENSO OYJ STOCK EXCHANGE RELEASE 15 February 2023 at 9:00 EET During the 1-31 January 2023 conversion period there were four conversions and a total of 825 Ashares were converted into R shares. The shares were recorded in the Finnish trade register today, 15 February 2023, and trading in the new R shares will start on 16 February 2023. Breakdown of shares after conversion: A shares 176,237,451 R shares 612,382,536 Total 788,619,987 Each A share and each ten R shares carry one vote. The total amount of votes after the conversion is at least 237,475,704. For further information, please contact: Hanne Karrinaho Head of Financial Communications tel. +358 40 766 9452 Investor enquiries: Anna-Lena Åström SVP Investor Relations tel. +46 70 210 7691 Part of the global bioeconomy, Stora Enso is a leading provider of renewable products in packaging, biomaterials, and wooden construction, and one of the largest private forest owners in the world. We believe that everything that is made from fossil-based materials today can be made from a tree tomorrow. Stora Enso has approximately 21,000 employees and Group sales in 2022 of EUR 11.7 billion. Stora Enso shares are listed on Nasdaq Helsinki Oy (STEAV, STERV) and Nasdaq Stockholm AB (STE A, STE R). In addition, the shares are traded in the USA as ADRs (SEOAY). storaenso.com/investors (http://www.storaenso.com/investors/) STORA ENSO OYJ For further information, please contact: Hanne Karrinaho Head of Financial Communications tel. +358 40 766 9452 Investor enquiries: Anna-Lena Åström SVP Investor Relations tel. +46 70 210 7691