Regulatory press release

Metsä Board Oyj: Metsä Board Corporation: Managers' transactions (Mäkimattila, Mikko)

Metsä Board Corporation Managers' transactions 5 May 2026 at 2:00 p.m. EEST

The Annual General Meeting of Metsä Board Corporation held on 19 March 2026 decided that approximately one half of the Board's annual remuneration is paid in the Company's B-series shares. Pursuant to such decision, the following shares have been acquired for and on behalf of the Board member Mikko Mäkimattila:

Metsä Board Corporation - Managers' transactions - Mäkimattila

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Person subject to the notification requirement

Name: Mäkimattila, Mikko

Position: Member of the Board/Deputy member

Issuer: Metsä Board Corporation

LEI: 743700KKB8Q035K38488

Notification type: INITIAL NOTIFICATION

Reference number: 743700KKB8Q035K38488_20260505084053_101

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Transaction date: 2025-05-04

Venue: XHEL

Instrument type: SHARE

ISIN: FI0009000665

Nature of the transaction: RECEIPT OF A SHARE-BASED INCENTIVE

Transaction details

(1): Volume: 11426 Unit price: 0.00 EUR

Aggregated transactions

(1): Volume: 11426 Volume weighted average price: 0.00 EUR

METSÄ BOARD CORPORATION

Further information:

Katri Sundström, VP, Investor Relations, tel. +358 10 462 0101
Eeva Impiö-Loimaala, General Counsel, tel. +358 44 040 3877