| Schedule of segment assets |
| | | | | | | | | June 30, | | December 31, | (thousands of dollars) | | 2026 | | 2025 | Assets: | | | | | | | Battery-grade graphite business segment assets | | $ | 147,069 | | $ | 145,561 | Corporate and other assets | | | 38,902 | | | 48,972 | Consolidated total assets | | $ | 185,971 | | $ | 194,533 |
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| Schedule of segment profit or loss and significant segment expenses |
| | | | | | | | | | Three months ended | | | | | | | | | | | | June 30, 2026 | (thousands of dollars) | | Battery-grade Graphite Segment | | Corporate and Other | | Consolidated Statements of Operations | Other (expense) income, net | | $ | (35) | | $ | 129 | | $ | 94 | Less: | | | | | | | | | | Product development expenses | | | 355 | | | — | | | 355 | Exploration expenses | | | 294 | | | — | | | 294 | General and administrative expenses | | | 968 | | | 2,590 | | | 3,558 | Mineral property | | | 10 | | | — | | | 10 | Depreciation and amortization | | | 191 | | | 1 | | | 192 | Net loss | | $ | (1,853) | | $ | (2,462) | | $ | (4,315) | | | | | | | | | | | | | June 30, 2025 | (thousands of dollars) | | Battery-grade Graphite Segment | | Corporate and Other | | Consolidated Statements of Operations | Other expense, net | | $ | (11) | | $ | (283) | | $ | (294) | Less: | | | | | | | | | | Product development expenses | | | 275 | | | — | | | 275 | Exploration expenses | | | 3 | | | — | | | 3 | General and administrative expenses | | | 582 | | | 2,551 | | | 3,133 | Mineral property | | | 10 | | | — | | | 10 | Depreciation and amortization | | | 153 | | | 1 | | | 154 | Net loss | | $ | (1,034) | | $ | (2,835) | | $ | (3,869) | | | | | | | | | | | | | | | | | | | | | Six months ended | | | | | | | | | | | | June 30, 2026 | (thousands of dollars) | | Battery-grade Graphite Segment | | Corporate and Other | | Consolidated Statements of Operations | Other (expense) income, net | | $ | (44) | | $ | 56 | | $ | 12 | Less: | | | | | | | | | | Product development expenses | | | 904 | | | — | | | 904 | Exploration expenses | | | 606 | | | — | | | 606 | General and administrative expenses | | | 1,988 | | | 5,112 | | | 7,100 | Mineral property | | | 10 | | | — | | | 10 | Depreciation and amortization | | | 379 | | | 3 | | | 382 | Net loss | | $ | (3,931) | | $ | (5,059) | | $ | (8,990) | | | | | | | | | | | | | June 30, 2025 | (thousands of dollars) | | Battery-grade Graphite Segment | | Corporate and Other | | Consolidated Statements of Operations | Other expense, net | | $ | (296) | | $ | (39) | | $ | (335) | Less: | | | | | | | | | | Product development expenses | | | 457 | | | — | | | 457 | Exploration expenses | | | 10 | | | — | | | 10 | General and administrative expenses | | | 1,058 | | | 4,369 | | | 5,427 | Mineral property | | | 10 | | | — | | | 10 | Depreciation and amortization | | | 304 | | | 2 | | | 306 | Net loss | | $ | (2,135) | | $ | (4,410) | | $ | (6,545) |
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