KR1 plc

Tuesday 12 May 2026

NOT FOR RELEASE, DISTRIBUTION OR PUBLICATION, DIRECTLY OR INDIRECTLY, IN WHOLE OR IN PART, IN OR INTO THE UNITED STATES , AUSTRALIA, CANADA, JAPAN, T H E REPUBLIC OF SOUTH AFRICA OR ANY OTHER JURISDICTION WHERE TO DO SO WOULD CONSTITUTE A VIOLATION OF THE RELEVANT LAWS OR REGULATIONS OF SUCH JURISDICTION. PLEASE SEE THE SECTION ENTITLED "IMPORTANT NOTICE" TOWARDS THE END OF THIS ANNOUNCEMENT.

KR1 plc ("KR1" or the "Company')

Publication of Supplementary Prospectus 

The Board of Directors of KR1 plc announces the publication today of a supplementary prospectus (the "Supplementary Prospectus") relating to the Placing Programme of up to 125,000,000 Ordinary Shares of KR1 plc.

The publication of the Supplementary Prospectus is a regulatory requirement under the Prospectus Regulation Rules following the publication of the Company's report and accounts for the financial year ended 31 December 2025.

The Supplementary Prospectus should be read and construed in conjunction with the prospectus dated 29 October 2025 relating to the above-mentioned Placing Programme (the "Prospectus").

To view the Supplementary Prospectus, please paste the following URL into the address bar of your browser:

https://www.KR1.io/investors/documents

The Supplementary Prospectus has been submitted to the National Storage Mechanism and will shortly be available for inspection at: https://data.fca.org.uk/#/nsm/nationalstoragemechanism.

About KR1 plc

KR1 plc is a digital asset technology company listed on the London Stock Exchange, focused on the infrastructure layer of decentralised networks.

Contact

For further information, please contact:

KR1 plc (KR1:LSE)
George McDonaugh, Keld van Schreven
Phone: +44 (0)1624 630 630
Email: [email protected]

Singer Capital Markets (Corporate Broker and Financial Adviser)
Investment Banking: Alex Bond, James Fischer
Equity Sales: William Gumpel
Phone: +44 (0)20 7496 3000
Email: [email protected] 

SEC Newgate (PR, Media and Financial Communications Adviser)
Ian Silvera, Bob Huxford, Dafydd Rees
Phone: +44 (0)20 3757 6882
Email: [email protected]

IMPORTANT NOTICE

Singer Capital Markets, which is authorised and regulated in the United Kingdom by the FCA, is acting exclusively for the Company in connection with the matters described in this announcement and is not acting for or advising any other person, or treating any other person as its client in relation thereto, and will not be responsible for providing the regulatory protection afforded to its clients, nor for providing advice to any other person in relation to the matters contained herein.

The distribution of this announcement, the Prospectus and/or the Supplementary Prospectus in certain jurisdictions may be restricted by law. Other than in the United Kingdom, no action has been taken, nor will any action be taken, by the Company or Singer Capital Markets that would permit an offer of the Company's shares or possession, issue or distribution of this announcement, the Prospectus or the Supplementary Prospectus (or any other offering or publicity material relating to the Company's) in any jurisdiction where action for that purpose is required or where doing so is restricted by law. Accordingly, neither this announcement, nor any advertisement, nor any other offering material may be distributed or published in any jurisdiction except under circumstances that will result in compliance with any applicable laws and regulations. Persons into whose possession this announcement (or any other offering materials or publicity relating to the Company's shares) comes should inform themselves about and observe any such restrictions. Any failure to comply with these restrictions may constitute a violation of the securities laws of any such jurisdiction.

The shares of the Company have not been, and will not be, registered under the U.S. Securities Act of 1933 (as amended) (the "US Securities Act") or under the securities laws of any state or other jurisdiction of the United States, and may not be offered or sold into or within the United States absent registration, except pursuant to an applicable exemption from, or in a transaction that is not subject to, the registration requirements of the US Securities Act and in compliance with the securities laws of any relevant state or other jurisdiction of the United States. Moreover, the shares of the Company have not been, nor will they be, registered under the applicable securities laws of Australia, Canada, the Republic of South Africa or Japan. Further, the Company is not, and will not be, registered under the U.S. Investment Company Act of 1940, as amended. Subject to certain exceptions, the shares of the Company may not be offered or sold in the United States, Australia, Canada, the Republic of South Africa or, Japan or to, or for the account or benefit of, any national, resident or citizen of the United States, Australia, Canada, the Republic of South Africa or Japan.