11 March 2026

Oncoinvent ASA: Grant of share options to the CEO

Oslo, Norway, 11 March 2026: The Board of Directors has today resolved to grant CEO Øystein Soug 31,884 share options in the Company under the Company's long term incentive program, each with a strike price of NOK 42.98, equal to the volume weighted average share price the last day before the grant. See the attached form. Following the grant of the 31,884 share options referred to above, Øystein Soug hold 10,576 shares and 92,949 options in the Company.

Each option, when exercised, will give the right to acquire one share in the Company. The options are granted without consideration. No Options shall vest during the first 12 months following the date of the Grant Letter, 13/48 of the Options shall vest in the 13th month, and the remaining Options shall thereafter vest in equal monthly instalments of 1/48 (as long as the option holder is still employed). Options that have not been exercised will lapse 7 years after the date of grant.

The board considers an option program as an important element in attracting and retaining employees to foster long-term success. The board considers the option program terms and allocation to be at the market for comparable peers. 

PDMR notice

This information is subject to the disclosure requirements pursuant to Regulation (EU) 596/2014 (MAR) Article 19 and Section 5-12 of the Norwegian Securities Trading Act.

Attachment PDMR form Øystein Soug CEO

For further information, please contact:

Oystein Soug, Chief Executive Officer
Email: IR@oncoinvent.com



About Oncoinvent

Oncoinvent is developing Radspherin®, a receptor-independent alpha radiation therapy that leverages the unique anatomy of the abdominal cavity to destroy residual micrometastases using a single, highly localized dose of alpha radiation. The initial clinical focus is treatment of ovarian and colorectal cancer patients after surgical removal of the primary tumor and visible metastases in the peritoneum, the thin membrane lining the abdominal cavity and covering the abdominal organs.

This radiopharmaceutical is designed to prevent or delay recurrence in the peritoneal cavity, keeping patients disease-free for longer than the current standard of care and thereby also impacting overall survival. It is broadly applicable to any cancer that spreads to the peritoneum, e.g. ovarian, colorectal, and gastric cancers. Radspherin stands out for its simplicity, excellent safety profile, and seamless integration into existing surgical workflows. Oncoinvent’s product is easy to use, avoids systemic delivery and significant toxicity. It is also differentiated in being simple to manufacture, scalable, and supply de-risked.

Data from two trials in ovarian (phase 1) and colorectal (phase 1/2a) cancers, are highly promising, showing an excellent safety profile and meaningful signals of efficacy. Interim data from an ongoing, randomized, controlled phase 2 ovarian cancer trial is expected in 2026. With cost-effective manufacturing, blockbuster potential, active pharma partnership momentum, plus strong endorsements from leading experts, Oncoinvent is built for scale and commercial success, and is set to become the new standard for post-surgical cancer care. The Company was founded by the originators of Algeta and Xofigo (acquired by Bayer).

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

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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.

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