To:                               RNS

Date:                           29 December 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 29 December 2025 the Company sold from treasury 300,000 Ordinary shares at a price of 114.1p 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 13,194,491 Ordinary shares and 1,642,953 B shares are held in treasury.  Therefore the total number of shares with voting rights in CT UK High Income Trust PLC is 88,872,653 Ordinary shares and 30,433,750 B shares.

The above figures (88,872,653 Ordinary shares and 30,433,750 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