HENDERSON HIGH INCOME TRUST PLC

213800OEXAGFSF7Y6G11

As at close of business on 21 April 2017, the unaudited net asset value per share calculated in accordance with the AIC formula (including current financial year revenue items) was 186.2p and the net asset value per share with debt marked at fair value was 184.1p. As the Company's shares are now ex-dividend, the dividend has been deducted from the net asset value.

As at close of business on 21 April 2017, the unaudited net asset value per share (excluding current financial year revenue items) was 185.1p and the net asset value per share with debt marked at fair value was 182.9p.

Wendy King

Henderson Global Investors

Telephone: 020 7818 4233