Henderson High Income Trust Regulatory News (HHI)

JANUS HENDERSON FUND MANAGEMENT UK LIMITED

HENDERSON HIGH INCOME TRUST PLC

LEGAL ENTITY IDENTIFIER 213800OEXAGFSF7Y6G11

8 January 2024

HENDERSON HIGH INCOME TRUST PLC

Result of General Meeting

The Board of Henderson High Income Trust plc (the "Company") is pleased to announce that the ordinary resolution relating to the issue of New Shares in connection with the proposed combination of the assets of the Company with the assets of Henderson Diversified Income Trust plc ("HDIV") was approved by the Company's shareholders at the general meeting of the Company held today.

The implementation of the proposals remains conditional, amongst other things, upon the passing of the resolution to be proposed at the Second HDIV General Meeting to be held on Tuesday, 16 January 2024.

Details of the number of proxy votes cast for, against and withheld in respect of the resolution, which was voted on by way of poll, are set out below and will also be published on the Company's website: https://www.janushenderson.com/combination-withhenderson-diversified-income-trust-plc/.

The full text of the resolution can be found in the notice of General Meeting contained in the Company's circular to shareholders dated 12 December 2023 (the "Circular"). The Circular is available for viewing at the National Storage Mechanism which can be located at https://data.fca.org.uk/#/nsm/nationalstoragemechanism and on the Company's website at https://www.janushenderson.com/combination-withhenderson-diversified-income-trust-plc/.

In accordance with Listing Rule 9.6.2R, a copy of the resolution will be submitted to the National Storage Mechanism and will shortly be available for viewing at https://data.fca.org.uk/#/nsm/nationalstoragemechanism.

Defined terms used in this announcement have the meanings given in the Circular unless the context otherwise requires.

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