CT UK HIGH INCOME TRUST PLC

Proxy Solicitation & Information Statement • Jun 5, 2025

Annual General Meeting 2025

Attendance Card

Please bring this card with you to the Annual General Meeting and present it at Shareholder registration

Scan the QR code to sign up to Shareview

Shareholder Reference Number

Please detach this portion before posting this Form of Proxy

Form of Proxy – Annual General Meeting to be held on Monday 28 July 2025

Please complete and sign the Form of Proxy on the reverse and return it in the enclosed reply-paid envelope

Explanatory Notes:

• 1. As an Ordinary shareholder or B shareholder of the Company you are entitled to appoint a proxy to exercise all or any of your rights to attend, speak and vote at an annual general meeting of the Company. You can only appoint a proxy using the procedures set out in these notes.
• 1. Any person may be appointed as a proxy. If you wish to appoint a person other than the Chairman, delete ''the Chairman of the meeting or'' and insert the name of the person in the space provided. Please indicate in the box next to the proxy holder's name the number of shares in relation to which they are authorised to act as your proxy. A proxy need not be a member of the Company but must attend the Annual General Meeting to represent you. You may appoint more than one proxy provided that each proxy is appointed to exercise the rights attached to different shares. You may not appoint more than one proxy to exercise rights attached to any one share. To appoint more than one proxy, please contact Equiniti Limited on +44 (0)371 384 2470. Lines are open from 8.30 am to 5.30 pm, Monday to Friday excluding public holidays in England and Wales. Please use the UK telephone country code when dialling from outside the UK.
• 1. Please indicate how you wish your proxy to vote on the resolutions. In the absence of any direction your proxy may, in their discretion, vote or abstain from voting in respect of any resolution. Your proxy may also, in their discretion, vote or abstain from voting in respect of any other resolution proposed at the Annual General Meeting.
• 1. As an alternative to completing the hard-copy proxy form, you can appoint a proxy electronically by logging into your Shareview Portfolio at www.shareview.co.uk. To register for a Shareview Portfolio, go to www.shareview.co.uk and enter the requested information. For an electronic appointment to be valid your appointment must be received by Equiniti Limited no later than 11am on Thursday 24 July 2025.
• 1. If the shareholder is a corporation, this form of proxy must be executed under its common seal or signed on its behalf by a duly authorised officer or attorney of the corporation. If the shareholder is an individual, this Form of Proxy must be signed by that individual or their attorney.
• 1. In the case of joint holders, the signature of the first named in the register of members of the Company will be accepted to the exclusion of the other joint holders.
• 1. The ''Vote Withheld'' option is provided to enable you to abstain on any of the resolutions. However, it should be noted that a vote withheld is not a vote in law and will not be counted in the calculation of the proportion of the votes ''For'' and ''Against'' a resolution.
• 1. Any alteration made in this Form of Proxy should be initialled.
• 1. Completion of this form of proxy will not prevent a shareholder from attending the Annual General Meeting and voting in person should they so wish.
• 1. In accordance with Regulation 41 of the Uncertificated Securities Regulations 2001, the Company specifies that only those holders of shares entered on the Register of Members of the Company as at 6.30 pm on Thursday 24 July 2025 or, in the event that the meeting is adjourned, on the Register of Members as at 6.30 pm on the day two business days prior to the adjourned meeting, shall be entitled to attend and vote at the Annual General Meeting in respect of the number of shares registered in their names at that time. Changes to entries on the Register of Members after that time shall be disregarded in determining the rights of any person to attend and vote at the Annual General Meeting.

To be effective, this Form of Proxy should be completed and sent or delivered, together with the power of attorney or other authority (if any) under which it is signed or a notarially certified copy of such power of attorney or other authority, to the Company's Registrar, Equiniti Limited, Highdown House, Yeoman Way, Worthing, West Sussex BN99 3HH, so as to be received as soon as possible and, in any event, no later than 11am on Thursday 24 July 2025.

All Named Holders

Venue: Columbia Threadneedle Investments, Cannon Place, 78 Cannon Street, London EC4N 6AG

Date: Monday 28 July 2025

Time: 11am

Please detach this portion before posting this Form of Proxy

Form of Proxy

Please read the Notice of Annual General Meeting and see overleaf for important notes and instructions on the completion of this form.

Scan the QR code to vote through Shareview Shareholder Reference Number

Vote

+

+

For Against withheld

I/We hereby appoint the Chairman of the meeting or (see note 2)

as my/our proxy to attend, speak and vote for me/us on my/our behalf at the Annual General Meeting of CT UK High Income Trust PLC (''the Company'') to be held at Columbia Threadneedle Investments, Cannon Place, 78 Cannon Street, London EC4N 6AG on Monday 28 July 2025 at 11am, and at any adjournment thereof, on the resolutions set out in the notice convening the Annual General Meeting.

Please tick here if this proxy appointment is one of multiple appointments being made.

My/our proxy is to vote or abstain from voting as indicated by an "X" below.

Ordinary Resolutions		For	Vote Against withheld 8 To authorise the Directors to determine the
1	To receive and adopt the audited financial statements of the Company for the financial year ended 31 March 2025 and the reports of the directors and the auditor on those financial statements				remuneration of the Auditor 9 Approval of Company's dividend/capital repayment policy 10 Authority to allot shares Special Resolutions 11 Power to allot shares without rights of pre-emption 12 Authority to buy back shares 13 Power to sell treasury shares without rights of pre-emption Ordinary Resolution 14 To increase the aggregate limit, in the Company's Articles of Association, for directors' fees, from £175,000 to £200,000 per annum
2	To receive, adopt and approve the Directors' remuneration report for the financial year ended 31 March 2025
3 4	Re-election of Helen M Galbraith Re-election of Stephen J Mitchell
5 6 7	Re-election of Angus W Pottinger Re-election of Andrew K Watkins To re-appoint Deloitte LLP as Auditor

Signature Date

DD / MM / YY

In the case of a corporation, this proxy must be given under its common seal or be signed on its behalf by an attorney or officer duly authorised, stating their capacity (e.g. director, secretary).