To:                               RNS

Date:                           8 October 2025

From:                          CT UK High Income Trust PLC

LEI:                              213800B7D5D7RVZZPV45

SALE OF ORDINARY SHARES FROM TREASURY

The Board of CT UK High Income Trust PLC announces that on 8 October 2025 the Company sold from treasury 100,000 Ordinary shares at a price of 108.5p per Ordinary share.

Following this transaction the Company's issued share capital consists of 102,067,144 Ordinary shares and 32,076,703 B shares, of which 16,494,491 Ordinary shares and 1,617,953 B shares are held in treasury.  Therefore the total number of shares with voting rights in CT UK High Income Trust PLC is 85,572,653 Ordinary shares and 30,458,750 B shares.

The above figures (85,572,653 Ordinary shares and 30,458,750 B shares) may be used by shareholders 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, CT UK High Income Trust PLC under the FCA's Disclosure Guidance and Transparency Rules.

For further information please contact:

David Moss,

Columbia Threadneedle Investment Business Limited, Manager    0131 573 8300