20 May 2025

US SOLAR FUND PLC (USF, the "Company")

Result of 2025 Annual General Meeting (the "AGM")

US Solar Fund plc (LON: USF (USD)/USFP (GBP)), announces that at the Company's 2025 AGM held today, resolutions 1 to 13 were passed by way of a poll and resolution 14 was not passed which was in line with the Board's recommendations. The results of the poll are set out below.

Resolutions 1 to 10 (inclusive) were proposed as ordinary resolutions and resolutions 11 to 14 (inclusive) were proposed as special resolutions.

* Includes discretionary votes

** A vote withheld is not a vote in law and is not counted in the calculation of the votes for or against a resolution.

Statement on resolution 14

The Board notes that resolutions 1 to 13 were passed by a majority in accordance with the relevant thresholds and resolution 14 was not passed which was in line with the Board's recommendations.

For further information, please contact:

LEI: 2138007BIUWE7AHS5Y90

Notes:

Every shareholder has one vote for every Ordinary Share held. As at close of business on 16 May 2025, the share capital of the Company consisted of 332,192,361 Ordinary Shares. The Company holds 24,358,974 shares in treasury. The total number of voting rights in the Company is therefore 307,833,387.

In accordance with UK Listing Rule 6.4.2 copies of all the resolutions passed, other than ordinary business, will be submitted to the National Storage Mechanism and will shortly be available for inspection at https://data.fca.org.uk/#/nsm/nationalstoragemechanism.

About US Solar Fund plc

US Solar Fund plc, established in 2019, listed on the premium segment of the London Stock Exchange in April 2019. The Company's investment objective is to provide investors with attractive and sustainable dividends with an element of capital growth by owning and operating solar power assets in North America and other OECD countries in the Americas.

The solar power assets that the Company acquires or constructs are expected to have an asset life of at least 30 years and generate stable and uncorrelated cashflows by selling electricity to creditworthy offtakers under long-term power purchase agreements (or PPAs). The Company's portfolio currently consists of 41 operational solar projects with a total capacity of 443MWDC, all located in the United States.

Further information on the Company can be found on its website at http://www.ussolarfund.co.uk.

About Amber Infrastructure Group

Amber Infrastructure Investment Advisor LLC, a member of the Amber Infrastructure Group, was appointed as the Company's Investment Manager on 1 December 2023.

Amber Infrastructure is an international infrastructure specialist, focused on investment origination, development, asset management and in Europe, fund management. Amber's core business focuses on infrastructure assets across the public, transport, energy, digital and demographic infrastructure sectors that support the lives of people, homes and businesses internationally.

Among other funds, Amber Infrastructure advises International Public Partnerships, a FTSE 250-listed Company with a market cap of approximately £2.5 billion and 15-year track record of long-term investment in infrastructure assets globally. Amber is headquartered in London with offices in Europe, North America and Australia and employs c.180 infrastructure professionals.

Amber has had a strategic partnership with the Hunt Group of Companies in the US since 2015 and completed their previously announced strategic transaction with Boyd Watterson in August 2024. Amber is part of Boyd Watterson Global Asset Management Group LLC, a global diversified infrastructure, real estate and fixed income business with over $36 billion in assets under management and over 300 employees with offices in eight US cities and presence in twelve countries. Learn more at www.amberinfrastructure.com.