Argo Blockchain (NASDAQ:ARBK) provides the following operational update for December 2021. During the month, Argo mined 214 Bitcoin or Bitcoin Equivalent (together, BTC) compared to 185 BTC in November. This brings the total amount of BTC mined in 2021 to 2,045 BTC. Mining revenue in December amounted to £7.82M ($10.55M) (November 2021: £8.29M [$11.20 million]). Argo generated this income at a Bitcoin and Bitcoin Equivalent Mining Margin of approximately 83% for the month of December (November 2021: 86%). At the end of December, the Company owned 2,595 Bitcoin or Bitcoin Equivalent. ARBK pared losses, rose 2.5% in after-hours trade after recording losses in yesterday's premarket session.