Dividend Declaration

6 July 2026

INTERNATIONAL BIOTECHNOLOGY TRUST PLC

Second interim dividend for the year ending 31 August 2026

At the Annual General Meeting of International Biotechnology Trust plc (the "Company") held on 12 December 2025, shareholders approved the Company's dividend policy of making dividend payments, equivalent to 4% of the Company's net asset value as at the last day of the preceding financial year (31 August 2025), through two equal semi-annual distributions.

The Directors have declared the payment of a second interim dividend of 15.67 pence per ordinary share for the year ending 31 August 2026.

In addition, the Company paid the first interim dividend of 15.64 pence per ordinary share for the year ending 31 August 2026 on 23 January 2026.

As at 3 July 2026, the latest practicable date prior to publication of this announcement, an annual dividend of 31.31 pence per share represents a yield of 2.86% calculated with reference to the Company's closing share price of 1,095 pence that day.

Enquiries:

Michelle Taiwo/Natalia de Sousa

Schroder Investment Management Limited

Tel: 020 7658 6000