Argo Blockchain PLC announced that 4,500 Bitmain Antminer S19 and S19 pro miners Argo agreed to lease from Celsius Network in November 2020 have been installed on time and are now fully operational. This installation represents the final delivery of Antminers under Argo's lease with Celsius Network. The new mining hardware has added approximately 430 petahash to the Company's installed computing power and consumes approximately 15 megawatts ("MW") of electricity. This latest installation highlights the continued focus on efficiency when expanding Argo's mining operations.