Notice of Annual General Meeting

1 August 2025

SDCL Efficiency Income Trust plc("SEIT" or the "Company")

Notice of Annual General Meeting

The Company announces that its 2025 Annual General Meeting ("AGM") will be held on Wednesday 3 September 2025 at 9.00am at the offices of JTC (UK) Limited, The Scalpel, 18th Floor, 52 Lime Street, London EC3M 7AF.

The Company's formal Notice of AGM will be posted to Shareholders who have elected to receive hard copies and will be available on the Company's corporate website at https://www.seitplc.com. In accordance with UK Listing Rule 6.4.1R, a copy of the document has been submitted to the Financial Conduct Authority and will shortly be available for inspection at the National Storage Mechanism at https://data.fca.org.uk/#/nsm/nationalstoragemechanism.

For Further Information

LEI: 213800ZPSC7XUVD3NL94

About SEIT

SDCL Efficiency Income Trust plc is a constituent of the FTSE 250 index. It was the first UK listed company of its kind to invest exclusively in the energy efficiency sector. Its projects are primarily located in North America, the UK and Europe and include, inter alia, a portfolio of cogeneration assets in Spain, a portfolio of commercial and industrial solar and storage projects in the United States, a regulated gas distribution network in Sweden, a portfolio of on-site energy recycling, cogeneration and process efficiency projects, servicing the largest steel blast furnace in the United States and a district energy system providing essential and efficient utility services on one of the largest business parks in the United States.

The Company aims to deliver shareholders value through its investment in a diversified portfolio of energy efficiency projects which are driven by the opportunity to deliver lower cost, cleaner and more reliable energy solutions to end users of energy.

The Company is targeting an attractive total return for shareholders with a stable dividend income, capital preservation and the opportunity for capital growth. The Company is targeting a dividend of 6.36p per share in respect of the financial year to 31 March 2026. SEIT's last published NAV was 90.6p per share as at 31 March 2025.

Past performance cannot be relied on as a guide to future performance.

Further information can be found on the Company's website at www.seitplc.com.

Investment Manager

SEIT's investment manager is Sustainable Development Capital LLP ("SDCL"), an investment firm established in 2007, with a proven track record of investment in energy efficiency and decentralised generation projects in the UK, Continental Europe, North America and Asia.

SDCL is headquartered in London and also operates worldwide from offices in New York, Dublin Hong Kong and Singapore. SDCL is authorised and regulated in the UK by the Financial Conduct Authority.

Further information can be found on at www.sdclgroup.com.