Zelluna ASA – Key information relating to subsequent offering

Reference is made to the stock exchange announcement made by Zelluna ASA (the "Company") on 3 November 2025 regarding the allocation of 5,500,000 new shares in the Company in a private placement (the "Private Placement"), the allocation of 315,639 new shares in a retail offering via the PrimaryBid platform (the "PrimaryBid Offering"), and a potential subsequent repair offering of up to 800,000 new shares at the same subscription price as in the Private Placement and the PrimaryBid Offering (the "Subsequent Offering"). The Subsequent Offering will, subject to applicable securities law, be directed towards existing shareholders in the Company as of 3 November 2025, as registered in the Company's register of shareholders with Euronext Securities Oslo on 5 November 2025, who (i) were not included in the pre-sounding phase of the Private Placement; (ii) were not allocated shares in the Private Placement, and (iii) are not resident in a jurisdiction where such offering would be unlawful or, would (in jurisdictions other than Norway) require a prospectus, filing registration or similar action.