08 February 2024

Harmony Energy Income Trust plc
(the "Company" or "HEIT")

Acquisition of Shares

Harmony Energy Income Trust plc, which invests in battery energy storage system ("BESS") assets in Great Britain, announces that certain principals of Harmony Energy Advisors Limited ("HEAL"), acquired on 5 February 2024 in aggregate 2,850,000 ordinary shares in the Company at an average price of 39p per share. Following the acquisition of these shares, the principals of HEAL hold in aggregate 7,614,298  ordinary shares representing 3.35 per cent. of the Company's issued share capital.

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For further information, please contact:

LEI: 254900O3XI3CJNTKR453

About Harmony Energy Advisors Limited (the "Investment Adviser")

The Investment Adviser is a wholly owned subsidiary of Harmony Energy Limited.

The management team of the Investment Adviser have been exclusively focussed on the energy storage sector (across multiple projects) in Great Britain for over seven years, both from the point of view of asset owner/developer and in a third-party advisory capacity.  The Investment Adviser is an appointed representative of Laven Advisors LLP, which is authorised and regulated by the Financial Conduct Authority.

Important Information

This announcement does not constitute an offer to sell or the solicitation of an offer to acquire or subscribe for shares in the Company in any jurisdiction. This distribution of this announcement outside the UK may be restricted by law. No action has been taken by the Company that would permit possession of this announcement in any jurisdiction outside the UK where action for that purpose is required. Persons outside the UK who come into possession of this announcement should inform themselves about the distribution of this announcement in their particular jurisdiction.

This announcement contains (or may contain) certain forward-looking statements with respect to certain of the Company's plans and/or the plans of one or more of its investee companies and their respective current goals and expectations relating to their respective future financial condition and performance and which involve a number of risks and uncertainties. The Company's target returns are a target only and there is no guarantee that these will be achieved. This Company cautions readers that no forward-looking statement is a guarantee of future performance and that actual results could differ materially from those contained in the forward-looking statements.

It should also be noted that any future NAV per Ordinary Share announced by the Company in due course will, in addition to the matters described in this announcement, also be affected by valuation movements in the Company's Portfolio and other factors including, without limitation, purchase prices of battery energy storage systems and components, project development and construction costs, income and pricing from contracts with National Grid ESO and other counterparties, the potential for trading profitability in the wholesale electricity markets and/or Balancing Mechanism, performance of the Company's investments, and the availability of projects which meet the Company's minimum return parameters in accordance with the Company's investment policy .