Publication of interim 1Q 2026 report by subsidiary company

Management Board of Arctic Paper S.A.(“Company”, “Issuer”) herewith announces that on 7th May 2026 the Management of the Company’s subsidiary Rottneros AB (“Rottneros”), which is listed on NASDAQ Stockholm, has published the interim 1Q 2026 report with the following parameters:

YTD 1Q 2026

MLN SEK

Revenues   622

EBITDA       -36

Net result     -65

MLN PLN

Revenues    246

EBITDA        -14

Net result     -26

EBITDA - Operating income before depreciation, amortization and impairment charges.

Management Board of Arctic Paper S.A. indicates that above Company’s subsidiary results will have a significant impact on Arctic Paper Group’s consolidated interim 1Q2026 results.

Specific legal basis:

Art. 17 sec. 1 of Regulation (EU) No. 596/2014 of the European Parliament and of the Council of 16 April 2014 on market abuse (market abuse regulation) and repealing Directive 2003/6/EC of the European Parliament and of the Council and Commission Directives 2003/124/EC, 2003/125/EC and 2004/72/EC.

This disclosure contains information that Arctic Paper is obliged to make public pursuant to the EU Market Abuse Regulation (EU nr 596/2014). The information was submitted for publication, through the agency of the contact person, on 07-05-2026 07:31 CET.

Further information provided by:

Michał Jarczyński, President of the Management Board of Arctic Paper, tel. (+48) 73 033 98 17

This information is disclosed pursuant to the Article 17 Section 1 of the Market Abuse Regulation - inside information and was submitted for publication on 7th of May 2026 at 7:31 am CET, in reference to Arctic Paper’s current report no. 08/2026 filed with the Warsaw Stock Exchange

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