Block listing

Henderson High Income Trust PLC
10 August 2006

HENDERSON HIGH INCOME TRUST PLC

HENDERSON GLOBAL INVESTORS

10 AUGUST 2006



                        HENDERSON HIGH INCOME TRUST PLC


Application has been made to the UK Listing Authority and the London Stock
Exchange for a block listing of 1,100,000 Ordinary Shares of 5p each. This
General Dealing Block Listing is intended to cover issues of shares made to the
market from time to time, the shares shall trade on the London Stock Exchange
and be admitted to the Official List upon issuance. The shares shall rank pari
passu with the existing issued shares of the Company.



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For further information place contact:

Alex Crooke
Henderson High Income Trust plc
Telephone: [phone]


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