Change of Name and website address

27 May 2025

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

Change of Name and website address

The Company announces that, effective from 21 May 2025, it has changed its name to SDCL Efficiency Income Trust plc. Dealings under the new name will commence at 8.00 am (BST) on 29 May 2025. The Company's stock market ticker, ISIN, LEI and SEDOL numbers will remain unchanged.

The Company also announces that its corporate website address will change to www.seitplc.com on 29 May 2025.

The Company confirms its investment strategy and portfolio of assets remain unchanged.

The name change is in response to new fund naming guidelines from the European Securities and Markets Authority ("ESMA").

Shareholders are unaffected by the change and existing share certificates will remain valid and should be retained. Any new share certificates issued will bear the name SDCL Efficiency Income Trust plc.

Tony Roper, Chair of SEIT, said:

"SEIT is proud to be both an Article 9 Fund and a recipient of the London Stock Exchange's Green Economy Mark. To continue to be able to market into the EU, SEIT needs to comply with ESMA, and this name change achieves that. Since its IPO in 2018, the Company's investment strategy has focused on building a large and diversified portfolio of assets that deliver efficient energy solutions to end users. These solutions directly support the energy transition by virtue of reducing the amount of energy that is wasted globally."

SEIT's latest ESG Report is available here: ESG | SEIT

For Further Information

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.

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 6.32p per share in respect of the financial year to 31 March 2025. SEIT's last published NAV was 90.6p per share as at 30 September 2024.

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.