Metsä Board Oyj — Director's Dealing 2023

Oct 31, 2023

Disclosure 438920

Metsä Board Oyj - Managers' transactions

Metsä Board Corporation: Managers' transactions (Metsäliitto Cooperative)

Metsä Board Corporation Stock exchange release Managers' Transactions 31 October 2023 at 4:15 pm EET In total 2,450 shares have transferred back on 31 October 2023 to Metsäliitto Cooperative, a closely associated party to Chair and two Members of the Board of Directors of Metsä Board, all based on Metsä Group's long-term share-based incentive system. Metsä Board Corporation - Managers' transactions - Metsäliitto Osuuskunta ____________________________________________ Person subject to the notification requirement Name: Metsäliitto Osuuskunta Position: Closely associated person (X) Legal Person (1)Person Discharging Managerial Responsibilities In Issuer Name: Ilkka Hämälä Position: Member of the Board (2)Person Discharging Managerial Responsibilities In Issuer Name: Mikko Mäkimattila Position: Member of the Board (3)Person Discharging Managerial Responsibilities In Issuer Name: Jussi Linnaranta Position: Member of the Board Issuer: Metsä Board Corporation LEI: 743700KKB8Q035K38488 Notification type: INITIAL NOTIFICATION Reference number: 42049/6/6 ____________________________________________ Transaction date: 2023-10-31 Outside a trading venue Instrument type: SHARE ISIN: FI0009000665 Nature of the transaction: OTHER Description: Shares have transferred back to Metsäliitto Cooperative as part of Metsä Group's long-term share-based incentive system. Transaction details (1): Volume: 2450 Unit price: 0.00 EUR Aggregated transactions (1): Volume: 2450 Volume weighted average price: 0.00 EUR METSÄ BOARD CORPORATION Further information: Katri Sundström, VP, Investor Relations, tel. +358 10 462 0101 Marika Sand Kirk, Interim Legal Counsel, tel. +358 40 683 7973 Metsä Board metsagroup.com/metsaboard (http://www.metsagroup.com/metsaboard/) 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 2022 our sales totalled around EUR 2.5 billion, and we have around 2,250 employees. We promote a culture of diversity, equality and inclusion. Metsä Board, part of Metsä Group, is listed on the Nasdaq Helsinki. Follow Metsä Board: LinkedIn (https://www.linkedin.com/company/metsa -board/) X (https://twitter.com/i/flow/login?redirect_after_login=%2FMetsaBoard ) Instagram (https://www.instagram.com/metsaboard/?hl=en) YouTube (https://www.youtube.com/playlist?list=PLF6CD152EF0DA1E61)