Cash and cash equivalents and restricted cash and cash equivalents with the consolidated statements of cash flows consist of the following:

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Estimated reclamation costs increased $2.5 million and $0.1 million in the three months ended March 31, 2026 and 2025, respectively.  The increase in reclamation costs was a non-cash transaction.

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Interest expense paid was $0.4 million and $0.3 million for the three months ended March 31, 2026 and 2025, respectively. As discussed in note 14, interest expense recognized associated with the Convertible Notes’ debt discount amortization of $1.5 million is non-cash in nature.  Further, $1.4 million of Convertible Notes’ accrued interest is non-cash in nature and included within accounts payable as of March 31, 2026.

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