Throgmorton Trust Regulatory News (THRG)

BlackRock Throgmorton Trust plc (the “Company”)

LEI - 5493003B7ETS1JEDPF59

Voting Rights and Capital (Article 15 Transparency Directive, DTR 5.6)

In conformity with the FCA's Disclosure Guidance and Transparency Rules ("the Rules") provision 5.6.1, the Company would like to notify the market that as at 19 September 2025 its issued capital comprised 75,931,864 ordinary shares of £0.05 each, excluding 27,278,000 shares held in treasury.

Shareholders should therefore use 75,931,864 (being the Company’s issued share capital excluding shares held in treasury) as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in the Company under the Rules.

All enquiries:

Kevin Mayger

Company SecretaryBlackRock Investment Management (UK) LimitedTel: 0207 743 1098

19 September 2025