Notice of Investor Presentation

HydrogenOne Capital Growth plc

Notice of Investor Presentation

HydrogenOne Growth Capital plc, the listed investment trust dedicated to hydrogen and complementary hydrogen focussed assets, is pleased to announce that its Annual Results for the period ending 31 December 2021 is expected to be published on Friday 1 April 2022.

JJ Traynor and Richard Hulf, the principals of its Investment Adviser, will provide a live presentation relating to the Company's Full Year Results via the Investor Meet Company platform on 12th April 2022 at 11:00am BST.

The presentation is open to all existing and potential shareholders. Questions can be submitted pre-event via your Investor Meet Company dashboard up until 9am the day before the meeting or at any time during the live presentation.

Investors can sign up to Investor Meet Company for free and add to meet HydrogenOne Growth Capital plc via: https://www.investormeetcompany.com/hydrogenone-capital-growth-plc/register-investor

Investors who already follow the Company on the Investor Meets Company platform will automatically be invited to attend this presentation.

The Company's LEI is 213800PMTT98U879SF45.

For further information, please visit www.hydrogenonecapitalgrowthplc.com or contact:

About HydrogenOne

HydrogenOne was launched in 2021 with an investment objective to deliver an attractive level of capital growth by investing in a diversified portfolio of hydrogen and complementary hydrogen focussed assets. INEOS Energy is a strategic investor in HydrogenOne. The Company is listed on the London Stock Exchange's main market (ticker code: HGEN).

IMPORTANT NOTICE

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. The 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 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.