Transaction in Own Shares

To: RNS

Date: 18 December 2020

From: BMO UK High Income Trust PLC

LEI: 213800B7D5D7RVZZPV45

TRANSACTION IN OWN SHARES

The Board of BMO UK High Income Trust PLC announces that on 18 December 2020 the Company purchased 300,000 Ordinary shares at a price of 88.25p per Ordinary share to be held in treasury and purchased 100,000 B shares at a price of 88.25p per B share to be held in treasury.

Following this transaction the Company's issued share capital consists of 102,067,144 Ordinary shares and 32,076,703 B shares, of which 16,894,491 Ordinary shares and 1,367,953 B shares are held in treasury. Therefore the total number of shares with voting rights in BMO UK High Income Trust PLC is 85,172,653 Ordinary shares and 30,708,750 B shares.

The above figures (85,172,653 Ordinary shares and 30,708,750 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, BMO UK High Income Trust PLC under the FCA's Disclosure and Transparency Rules.

For further information please contact:

Philip Webster,

BMO Investment Business Limited, Managers 0207 628 8000