Update for the half-year ended 30 November 2022

JANUS HENDERSON FUND MANAGEMENT UK LIMITED

THE HENDERSON SMALLER COMPANIES INVESTMENT TRUST PLC

LEGAL ENTITY IDENTIFIER: 213800NE2NCQ67M2M998

3 February 2023

THE HENDERSON SMALLER COMPANIES INVESTMENT TRUST PLC

Update for the half-year ended 30 November 2022

The Company released its half-year report for the six months ended 30 November 2022 on 26 January 2023. The report is available to download from the Company's website: www.hendersonsmallercompanies.com.

An abridged extract from the report, the 'Update', has been sent to shareholders. The Update has also been submitted to the National Storage Mechanism and will shortly be available for inspection at https://data.fca.org.uk/#/nsm/nationalstoragemechanism and on the Company's website: www.hendersonsmallercompanies.com.

For further information, please contact:

Johana Woodruff

Janus Henderson Secretarial Services UK Limited

Corporate Secretary to The Henderson Smaller Companies Investment Trust plc

Telephone: 020 7818 2220

Harriet Hall

PR Manager, Investment Trusts

Janus Henderson Investors

Telephone: 020 7818 2919

Neither the contents of the Company's website nor the contents of any website accessible from hyperlinks on the Company's website (or any other website) are incorporated into, or form part of, this announcement.