Argo Blockchain Plc announced a change in the conversion ratio of its ordinary shares to American Depositary Shares (ADSs) from 10:1 to 2,160:1, effective December 12, 2025. Additionally, the redemption and mandatory exchange of its 8.75% senior notes due 2026 will occur on December 15, 2025, at a rate of 0.835001875 ADSs per $25 in principal amount of notes.