Timetable Update and Supplementary Prospectus

14 December 2020

NOT FOR RELEASE, PUBLICATION OR DISTRIBUTION, DIRECTLY OR INDIRECTLY, IN WHOLE OR IN PART, TO US PERSONS OR INTO OR WITHIN THE UNITED STATES, AUSTRALIA, NEW ZEALAND, CANADA, SOUTH AFRICA OR JAPAN, OR ANY OTHER JURISDICTION WHERE, OR TO ANY OTHER PERSON TO WHOM, TO DO SO WOULD BE UNLAWFUL. THE INFORMATION CONTAINED HEREIN DOES NOT CONSTITUTE OR FORM PART OF ANY OFFER TO SELL OR ISSUE, OR ANY SOLICITATION OF ANY OFFER TO PURCHASE, SUBSCRIBE FOR OR OTHERWISE ACQUIRE, ANY INVESTMENTS IN ANY JURISDICTION.

ECOFIN U.S. RENEWABLES INFRASTRUCTURE TRUST PLC

OFFER UPDATE - AMENDED TIMETABLE AND PUBLICATION OF SUPPLEMENTARY PROSPECTUS

Further to the announcement made on 10 December 2020, the Board of Directors of Ecofin U.S. Renewables Infrastructure Trust PLC ("RNEW" or the "Company") is pleased to confirm the amended expected timetable for its proposed initial public offering ("IPO") on the London Stock Exchange's Main Market, by way of an Initial Placing and Offer for Subscription (the "Initial Issue").

The Company continues to be encouraged by the response to the proposition from a broad range of institutional investors and private wealth managers, as well as continued support from Ecofin and the Capricorn Investor who have each indicated an intention to invest increased amounts in the Initial Issue in addition to their original subscriptions as described in the Prospectus dated 11 November 2020.

A supplementary prospectus (the "Supplementary Prospectus") has today been published by the Company providing further details, including reduced Minimum Gross Initial Proceeds for the IPO of $125 million.

AMENDED EXPECTED INITIAL ISSUE TIMETABLE:

As a result of the amended timetable, the Relevant Sterling Exchange Rate will be set at 5:00 p.m. on Thursday 17 December 2020 (or such other date or time as the Company may determine and notify to investors via a Regulatory Information Service announcement). Applicants under the Offer for Subscription choosing to settle via CREST (i.e. by delivery versus payment), will need to match their instructions to the Receiving Agent's participant account 3RA07 by no later than 1.00 p.m. on 21 December 2020.

Further details of the Initial Issue are set out in the Prospectus which, together with the Supplementary Prospectus, is available on the Company's website at https://ecofininvest.com/rnew. A copy of the Supplementary Prospectus will be submitted to the National Storage Mechanism and will shortly be available for inspection at https://data.fca.org.uk/#/nsm/nationalstoragemechanism.

Unless the context otherwise requires, capitalised terms used in this announcement have the meanings given to them in the Prospectus.

Further information on the Company can be found on its website at https://ecofininvest.com/rnew.

The Company's LEI is 2138004JUQUL9VKQWD21.