Oncoinvent ASA

Mandatory notification of trade

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").

In connection with completion of the Merger, the former shareholders of

Oncoinvent, including certain primary insiders of the Company and their close

associates, have today been allocated consideration shares in the Company. More

information about the allocation of consideration shares is included in the

Prospectus published on 28 October 2025.

Please see the attached forms for further details on the allocation of

consideration shares in the Merger to the Company's primary insiders and their

close associates.

For more information, please contact:

Øystein Soug, Chief Executive Officer

About Oncoinvent ASA

Oncoinvent is a clinical-stage biotechnology company developing novel

radiopharmaceutical therapies against cancer. The lead product candidate,

Radspherin®, uses the alpha-emitting radionuclide radium-224, directly targeting

micro-metastases post-surgery, harnessing the benefits of modern

radiopharmaceuticals without the complexities of biological targeting.

Oncoinvent is investigating the safety and efficacy of Radspherin® in a clinical

development program in two indications. One Phase 1 trial and one Phase 1/2a

trial have been completed and one randomized Phase 2 trial is currently ongoing

in the US, UK and Europe. Early clinical efficacy data are highly encouraging,

and no serious toxicity or safety concerns have been reported to date. The

Oncoinvent team consists of approx. 40 employees and runs a state-of-the-art

manufacturing facility to produce drug products for clinical trials in Nydalen,

Oslo. Oncoinvent is listed on Euronext Oslo Børs.

This information is subject to the disclosure requirements in article 19 of

Regulation EU 596/2014 (the EU Market Abuse Regulation) and Section 5-12 of the

Norwegian Securities Trading Act.

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