Change in significant shareholding

Based on § 186 of the Securities Market Act, Nordic Fibreboard AS notifies the
stock exchange of a change in significant holding.

As a result of the transaction that took place on 10.12.2025, VÄÄTSA AGRO AS
(registration code 10069725) sold 4,107,240 shares of Nordic Fibreboard AS
(registration code: 11421437) to ROSAMIL OÜ (registration code 11192238). VÄÄTSA
AGRO AS and ROSAMIL OÜ are both companies 100% controlled by Joakim Johan
Helenius.

Before the transaction, VÄÄTSA AGRO AS owned 48.33% of the shares of Nordic
Fibreboard AS (i.e. 4,107,240 shares). After the transaction, VÄÄTSA AGRO does
not own shares of Nordic Fibreboard AS.

ROSAMIL OÜ held 0.00% of Nordic Fibreboard AS shares (i.e. 0 shares) before the
transaction. After the transaction, ROSAMIL OÜ holds 48.33% of Nordic Fibreboard
AS shares (i.e. 4,107,240 shares).

Before the transaction, Joakim Johan Helenius directly and indirectly held
81.37% of Nordic Fibreboard AS shares (i.e. 6,915,284 shares). After the
transaction, Joakim Johan Helenius still directly and indirectly holds 81.37% of
Nordic Fibreboard AS shares (i.e. 6,915,284 shares).

Enel Äkke
Member of the Management Board
Nordic Fibreboard AS
[email protected]