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Appendix: Non-IFRS Reconciliations The following table shows a reconciliation of Bitcoin and Bitcoin Equivalent Mining Margin to gross margin, the most directly comparable IFRS measure, for the three months ended June 30, 2022 and the six months ended June 30, 2022. (000s unless otherwise stated) Three months ended June 30, 2022(1) $ £ Six months ended June 30, 2022(1) $ £ Gross profit Gross margin Depreciation of mining equipment ($43,627) -303% (£35,874) ($41,849) (£34,413) -303% -129% -129% 6,750 5,551 13,197 10,852 Change in fair value of digital currencies 38,179 31,395 43,810 36,025 Realized gain on sale of digital currencies 7,787 6,403 7,749 6,372 Mining profit Bitcoin and Bitcoin Equivalent Mining Margin $9,090 63% £7,474 63% $22,906 71% £18,836 71% The following table shows a reconciliation of Adjusted EBITDA to net income, the most directly comparable IFRS measure, for the three months ended June 30, 2022 and the six months ended June 30, 2022. (000s unless otherwise stated) Three months ended June 30, 2022 (1) $ £ Six months ended June 30, 2022 (1) $ £ Net income² Interest expense Income tax expense Depreciation/amortization Share based payment ($39,008) (£32,077) ($37,095) (£30,504) 1,966 1,617 4,228 3,477 (7,658) (6,297) (7,766) (6,386) 7,614 6,261 14,250 11,718 2,106 1,732 3,424 2,816 Change in fair value of digital currencies 38,179 31,395 43,810 Adjusted EBITDA $3,199 £2,631 $20,852 36,025 £17,146 21 1. Figures translated at a USD/GBP rate of 1.2161. 2. Net income = Profit after taxation argo

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