Press Release

8 December 2025

Argo Blockchain plc

("Argo" or "the Company")

Court sanction hearing

In connection with the Company's restructuring plan under Part 26A of the Companies Act 2006 (the "Restructuring Plan"), the sanction hearing before the High Court of Justice, Business and Property Courts of England and Wales (the "Court") was held on 8 December 2025.   The Court heard submissions from counsel representing the Company, Growler Mining Tuscaloosa, LLC and the Retail Advocate, Jon Yorke, following which the hearing was adjourned to 2.30 p.m. on Wednesday 10 December 2025 when  the Court will give its decision, whether or not to sanction the Restructuring Plan.   If the Court sanctions the Restructuring Plan on that date, the last day of trading of the Company's shares on the Main Market will be on 10 December 2025 and delisting will be effective from 7 a.m. on 11 December 2025.  A further announcement will be made in due course.

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 About Argo:

Argo Blockchain plc is a dual-listed (LSE: ARB; NASDAQ: ARBK) blockchain technology company focused on large-scale cryptocurrency mining. With a mining facility in Quebec and offices in the US, Canada, and the UK, Argo's global, sustainable operations are predominantly powered by renewable energy. In 2021, Argo became the first climate positive cryptocurrency mining company, and a signatory to the Crypto Climate Accord. For more information, visit www.argoblockchain.com.

Forward looking statements

This announcement contains "forward-looking statements," which can be identified by words like "may," "will," "likely," "should," "expect," "anticipate," "future," "plan," "believe," "intend," "goal," "seek," "estimate," "project," "continue" and similar expressions. Forward-looking statements are neither historical facts nor assurances of future performance. Instead, they are based only on the Company's current beliefs, expectations and assumptions regarding the future of its business, future plans and strategies, projections, anticipated events and trends, the economy and other future conditions. Because forward-looking statements relate to the future, they are subject to inherent uncertainties, risks and changes in circumstances that are difficult to predict and many of which are outside of the Company's control. The information in this announcement about the sanctioning of the Company's Restructuring Plan and its expected effects are forward-looking statements. Therefore, you should not rely on any of these forward-looking statements. Important factors that could cause the Company's actual results and financial condition to differ materially from those indicated in the forward-looking statements include market conditions; the Company's ability to implement the Restructuring Plan on the expected timeline or at all; the ability to retain the Company's listing on Nasdaq; operational, financial, regulatory, tax and legal risks; assumptions underlying revenue, EBITDA and valuation estimates; and the principal risks and uncertainties described in the risk factors set forth in the Company's Annual Report and Financial Statements and Form 20-F for the year ended 31 December 2024.