Issue of Equity

HENDERSON INVESTMENT FUNDS LIMITED

HENDERSON INTERNATIONAL INCOME TRUST PLC

LEGAL ENTITY IDENTIFIER: 2138006N35XWGK2YUK38

23 June 2020

HENDERSON INTERNATIONAL INCOME TRUST PLC

ALLOTMENT OF SHARES

Henderson International Income Trust plc (the "Company") announces that it has allotted 3,120,000 new ordinary shares of 1p each fully paid under its block listing facility. These shares were issued yesterday for cash at a price of 154.0p per share.

The total number of shares in issue is now 195,978,716.

The total number of voting rights in the Company is now 195,978,716 in respect of the ordinary shares. The above figure (195,978,716) 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, Henderson International Income Trust plc under the FCA's Disclosure Guidance and Transparency Rules.

For further information please contact:

James de Sausmarez

Director and Head of Investment Trusts

Janus Henderson Investors

Telephone: 020 7818 3349

Laura Thomas

Investment Trust PR Manager

Janus Henderson Investors

Telephone: 020 7818 2636