14 November 2025: Reference is made to the stock exchange announcements published by Oncoinvent ASA (the “Company”) on 30 June 2025 and 4 August 2025, and subsequent announcements, regarding the contemplated fully underwritten rights issue in the Company raising gross proceeds of NOK 130 million (the “Rights Issue”). Reference is further made to the prospectus prepared by the Company dated 28 October 2025.

14 November 2025: Reference is made to the stock exchange announcements published by Oncoinvent ASA (the “Company”) on 30 June 2025 and 4 August 2025, and subsequent announcements, regarding the contemplated fully underwritten rights issue in the Company raising gross proceeds of NOK 130 million (the “Rights Issue”).

14 November 2025: Reference is made to the stock exchange announcements published by Oncoinvent ASA (the “Company”) on 30 June 2025 and 4 August 2025, and subsequent announcements, regarding the contemplated fully underwritten rights issue in the Company raising gross proceeds of NOK 130 million (the “Rights Issue”).

Issuer name: Oncoinvent ASA Ex. date: 12 November 2025 Type of corporate action: Rights issue This information is published in accordance with the requirements of the Continuing Obligations.

Reference is made to the stock exchange announcements published by Oncoinvent ASA (the “Company”) on 30 June 2025 and 4 August 2025, and subsequent announcements, regarding the contemplated fully underwritten rights issue in the Company raising gross proceeds of NOK 130 million (the “Rights Issue”). Reference is further made to the prospectus prepared by the Company dated 28 October 2025 (the “Prospectus”).

11 November 2025: Reference is made to the stock exchange announcements published by Oncoinvent ASA (the “Company”) on 5 August 2025 and on 17 September 2025 regarding updated key information relating to the contemplated fully underwritten rights issue in the Company raising gross proceeds of NOK 130 million (the “Rights Issue”). Updated key information relating to the Rights Issue is set out below.

CEO Øystein Soug will be presenting the company and participate in the 7th Annual Targeted Radiopharmaceuticals (TRP) Summit Europe.    

Oncoinvent invites for Q3 2025 company update in English on Tuesday 4[th] of November at 08:30 AM CEST. The presentation will be broadcasted live on https://channel.royalcast.com/landingpage/hegnarmedia/20251104_9/. There will be a possibility for Q&A.

Oslo, 3 November 2025: Reference is made to the stock exchange announcement published by Oncoinvent ASA (the “Company”) on 29 October 2025 regarding the completion of the merger between the Company and the former Oncoinvent ASA (reg. no. 995 764 458) (“Oncoinvent”) (the “Merger”).

Oslo, 29 October 2025 – Reference is made to the previous stock exchange announcements made in connection with the combination of BerGenBio ASA and Oncoinvent ASA (“Oncoinvent”) through a statutory triangular merger (the “Merger”), including the announcements made on 4 August 2025 regarding approval of the Merger by the extraordinary general meetings of the two companies. Reference is further made to the stock exchange announcement made on 24 October 2025 regarding key dates for completion of the Merger and the stock exchange announcement made on 28 October 2025 regarding the approval and publication of the prospectus (the “Prospectus”) prepared in connection with the Merger and the contemplated rights issue in the combined company.

Øystein Soug

Chief Executive Officer

soug@oncoinvent.com

Oystein Soug has over 15 years of experience in biotechnology, holding several management positions. Most recently, Mr. Soug was CEO of Arxx Therapeutics, where he led the company to initiate the clinical programme and was responsible for the merger with Dutch pharma company Oxitope Pharma to create Calluna Pharma. Prior to Arxx, he served as CFO and then CEO of Targovax, an Oslo listed biotechnology company, which went public during Mr. Soug’s tenure. Mr. Soug started his career in biotech as CFO of Oslo-listed radiopharmaceutical company Algeta. During this period, the company conducted a successful phase 3 trial, launched its radium-223 based prostate cancer drug Xofigo® and out-licensed the drug. Mr. Soug co-led the sale of the company to Bayer in 2014.  

Mr. Soug holds an MSc in Economics and Financial Markets from Universität St. Gallen in Switzerland in 1997

Anders Månsson

Chief Executive Officer

mansson@oncoinvent.com

Anders Månsson is a business executive with over 25 years of experience from management roles in the pharmaceutical industry, focusing on commercialisation and M&A + licensing. Mr. Månsson has held leading roles in the industry both in his native Sweden and in other European countries, and he has worked extensively with the USA and Asia as focus markets in global roles.

Mr. Månsson holds a B.Sc. degree in Business & Economics from Lund’s University in Sweden as well as an MBA from Business School Lausanne in Switzerland. He has a broad-based industrial experience, featuring both large multinational companies such as Meda, Ferring & LEO Pharma, and including leading roles in start-ups and smaller biotech companies. On top of his executive role in Oncoinvent, Mr. Månsson holds two non-executive director positions serving on the board of EQL Pharma AB as well Immetric AB, the latter being an investment company focusing on life science.