Stora Enso Oyj

Major Shareholding Notification • Jan 31, 2025

Disclosure 454336

Stora Enso Oyj - Major shareholder announcements

Stora Enso Oyj: Notification of Change in Holdings according to Chapter 9, Section 10 of the Finnish Securities Markets Act (30 January 2025)

STORA ENSO OYJ STOCK EXCHANGE RELEASE 31 January 2025 at 17:00 EET Stora Enso Oyj received a notification pursuant to chapter 9, section 5 of the Securities Market Act from BlackRock, Inc on 31 January 2025. On 30 January 2025, BlackRock's holding, including holding through financial instruments, in Stora Enso's shares decreased below the 5 percent threshold. +----------------+--------------+-----------------------------+---------------+ | |% of shares |% of shares and voting rights|Total of both | | |and voting |through financial instruments|in % (7.A + | | |rights |(total of 7.B) |7.B) | | |(total of 7.A)| | | +----------------+--------------+-----------------------------+---------------+ |Resulting |4.95% shares |0.15% shares |5.11% shares | |situation on the| | | | |date on |Below 5% |Below 5% voting rights |Below 5% voting| |which threshold |voting rights | |rights | |was crossed or | | | | |reached | | | | +----------------+--------------+-----------------------------+---------------+ |Position of |5.00% shares |0.15% shares |5.16% shares | |previous | | | | |notification |Below 5% |Below 5% voting rights |Below 5% voting| |(if applicable) |voting rights | |rights | +----------------+--------------+-----------------------------+---------------+ A: Shares and voting rights Class/type of Number of % of shares shares shares and and voting voting rights ISIN code (if rights possible) Direct Indirect Direct Indirect (SMA 9:5) (SMA 9:6 (SMA 9:5) (SMA 9:6 and 9:7) and 9:7) FI0009005961 39,056,460 4.95% shares shares Below 5% voting Below 5% rights voting rights SUBTOTAL A 39,056,460 4.95% shares shares Below 5% Below 5% voting rights voting rights B: Financial Instruments according to SMA 9:6a Type of Expiration Exercise/ Physical or Number of % of shares financial date Conversion cash shares and voting instrument Period settlement and rights voting rights American N/A N/A Physical 669,000 0.08% shares Depositary shares Receipt Below 5% (US86210M1062) Below 5% voting rights voting rights Securites lent N/A N/A Physical 50,000 0.00% shares shares Below 5% Below 5% voting rights voting rights CFD N/A N/A Cash 527,600 0.06% shares shares Below 5% Below 5% voting rights voting rights SUBTOTAL B 1,246,600 0.15% shares shares Below 5% Below 5% voting rights voting rights Stora Enso has two series of shares. Each A share and every ten R shares carry one vote. Stora Enso has 175,663,629 A shares and 612,956,358 R shares in issue. The Company does not hold its own shares. The total number of Stora Enso shares is 788,619,987 and the total number votes at least 236,959,264. Stora Enso 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 create value with our low-carbon and recyclable fiber-based products, through which we support our customers in meeting the demand for renewable sustainable products. Stora Enso has approximately 20,000 employees and our sales in 2023 were EUR 9.4 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 OTC Markets (OTCQX) in the USA as ADRs and ordinary shares (SEOAY, SEOFF, SEOJF). storaenso.com/investors STORA ENSO OYJ Investor enquiries: Anna-Lena Åström SVP Investor Relations tel. +46 70 210 7691