Metsä Board Oyj — Director's Dealing 2022

May 16, 2022

Disclosure 408873

Metsä Board Oyj - Managers' transactions

Metsä Board Corporation: Managers’ transactions (Metsäliitto Cooperative)

Metsä Board Corporation Managers’ Transactions 16 May 2022 1 p.m. EEST Shares have been returned on 12 May 2022 to Metsäliitto Cooperative, a closely associated person to Ilkka Hämälä, Member of the Board of Directors of Metsä Board, all based on terms and conditions of Metsä Group’s performance share plan. Metsä Board Corporation - Managers' transactions - Metsäliitto Osuuskunta ____________________________________________ Person subject to the notification requirement Name: Metsäliitto Osuuskunta Position: Closely associated person (X) Legal Person Person Discharging Managerial Responsibilities In Issuer Name: Hämälä, Ilkka Position: Member of the Board/Deputy member Issuer: Metsä Board Corporation LEI: 743700KKB8Q035K38488 Notification type: INITIAL NOTIFICATION Reference number: 743700KKB8Q035K38488_20220513114327_64 ____________________________________________ Transaction date: 2022-05-12 Venue not applicable Instrument type: SHARE ISIN: FI0009000665 Nature of the transaction: OTHER Description: Shares have transferred back to Metsäliitto Cooperative as part of Metsä Group performance share plan. Transaction details (1): Volume: 5150 Unit price: 0.00 EUR Aggregated transactions (1): Volume: 5150 Volume weighted average price: 0.00 EUR METSÄ BOARD CORPORATION Further information: Katri Sundström, VP, Investor Relations, tel. +358 10 462 0101 Juhani Pitkänen, Secretary to the Board, tel. +358 10 465 5240 Metsä Board www.metsaboard.com (https://www.metsaboard.com/Pages/default.aspx) Metsä Board is a leading European producer of premium fresh fibre paperboards. We focus on lightweight and high-quality folding boxboards, food service boards and white kraftliners. The pure fresh fibres we use in our products are a renewable and recyclable resource, that can be traced back to sustainably managed northern forests We are a forerunner in sustainability, and we aim to have completely fossil free mills and raw materials by the end of 2030. Together with our customers we develop innovative packaging solutions to create better consumer experiences with less environmental impact. In 2021 our sales totalled EUR 2.1 billion, and we have around 2,400 employees. Metsä Board, part of Metsä Group, is listed on the Nasdaq Helsinki. Follow Metsä Board: Twitter (https://twitter.com/MetsaBoard) LinkedIn (http://www.linkedin.com /company/mets -board?trk=top_nav_home) YouTube (https://www.youtube.com/playlist?list=PLF6CD152 EF0DA1E61) Instagram (https://www.instagram.com/metsaboard/?cm_medium=test)