Invitation to business update - Wednesday 28 October 2026

Oslo, Norway, 20 October 2026 - Oncoinvent ASA (ONCIN), a biotech company developing a receptor-independent alpha radiopharmaceutical to eradicate cancer cells in the abdominal cavity after surgery with a single, targeted dose, is pleased to invite investors, analysts, and stakeholders to a live webcast event at 10:00 AM CET on Wednesday, 28 October 2026.

• Date: Wednesday, 28 October 2026
• Time: 10:00am CET
• Webcast link: https://qcnl.tv/p/8awn9AmyNjOd67OuY7TwRQ  

Relevant presentation material will on the same day be made available on the Investor section of the Company's website at www.oncoinvent.com. A recording of the webcast will be made available following the live webcast.

Oncoinvent reports its financial results on a half-yearly basis, complemented by quarterly business updates to keep stakeholders informed and ensure ongoing transparency.