International Biotechnology Trust PLCLSE: IBT

International Biotechnology Trust: Compliance with Market Abuse Regulation

· Issued by International Biotechnology Trust PLC via RNS
International Biotechnology Trust's next earnings callInternational Biotechnology Trust (LSE:IBT) — Investor Presentation · Nov 3, 2026 at 9:00 AM ESTRegister

2 October 2026

INTERNATIONAL BIOTECHNOLOGY TRUST PLC

(the "Company")

Compliance with Market Abuse Regulation (MAR)

The Company announces that it is satisfied that all inside information which the Directors and the Company may have in the period leading up to the announcement of its annual results for the year ended 31 August 2026 has previously been, and will continue to be, notified via a regulatory information service (RIS). Therefore, the Company is not prohibited from dealing in its own securities.

The mandatory closed period under MAR will last until the results in respect of the year ended 31 August 2026 are published, expected to be on or around 3 November 2026.

The Company has provided Deutsche Numis, its corporate broker, with a non-discretionary dealing instruction under which it may undertake share buybacks if, in the period leading up to the announcement of the annual results, the Directors of the Company come into the possession of any inside information.

Enquiries:

Schroder Investment Management Limited

Michelle Taiwo

Tel: 0207 658 6000

International Biotechnology Trust PLC on 6ix

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