Press release

20 August 2021

Argo Blockchain PLC

("Argo" or "the Company")

Filing of Registration Statement for Proposed Offering

Argo Blockchain, a global leader in cryptocurrency mining (LSE: ARB), is pleased to announce that it has filed a registration statement on Form F-1 with the United States Securities and Exchange Commission (the "SEC") relating to a proposed initial public offering of its American Depositary Shares ("ADSs"), representing its ordinary shares, in the United States. The number of ordinary shares to be represented by each ADS, the number of ADSs to be offered and the price range for the proposed offering have not yet been determined. The proposed offering is subject to market and other conditions, and there can be no assurance as to whether, or when, the proposed offering may be completed or as to the actual size or terms of the proposed offering.

Argo intends to list its ordinary shares on the Nasdaq Global Market under the symbol "ARBK". Upon completion of the proposed offering, Argo's ordinary shares will continue to be admitted to the standard segment of the Official List and to trading on the Main Market of the London Stock Exchange under the symbol "ARB".

Jefferies and Barclays are acting as joint book-running managers for the proposed offering. The proposed offering will be made only by means of a prospectus. When available, copies of the preliminary prospectus relating to and describing the terms of the proposed offering may be obtained from Jefferies LLC, Attention: Equity Syndicate Prospectus Department, 520 Madison Avenue, 2nd Floor, New York, NY 10022, by telephone at (877) 821-7388 or by email at [email protected]; or from Barclays Capital Inc., c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717, telephone: 1-888-603-5847, or by emailing [email protected].

A registration statement relating to these securities has been filed with the SEC but has not yet become effective. These securities may not be sold, nor may offers to buy these securities be accepted, prior to the time the registration statement becomes effective. This press release shall not constitute an offer to sell or the solicitation of an offer to buy these securities, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities law of any such state or jurisdiction.

This announcement contains inside information.

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About Argo:

Argo Blockchain plc is a global leader in cryptocurrency mining with one of the largest and most efficient operations powered by clean energy. The Company is headquartered in London, UK and its shares are listed on the Main Market of the London Stock Exchange under the ticker: ARB and on the OTCQX Best Market in the United States under the ticker: ARBKF.