| Schedule of detailed information about finance costs and revenue |
| | | | | | | | | 2025 | | 2024 | | 2023 | | | US$(000) | | US$(000) | | US$(000) | | | | | | | | Finance income: | | | | | | | Interest on tax claims, note 30 | | 16,580 | | 263 | | — | Interest of the liability related to the tax claim, note 7 (c.2), note 30(d) | | 11,906 | | — | | — | Interest on time deposits | | 18,867 | | 9,998 | | 7,795 | Finance update of other account receivable | | 623 | | 599 | | 269 | Interests on third party loans | | 7 | | 662 | | 800 | Interest on loans to related parties, note 31(a) | | 7 | | 21 | | 23 | Other finance income | | 356 | | 985 | | 170 | Total finance income | | 48,346 | | 12,528 | | 9,057 | | | | | | | | | | 2025 | | 2024 | | 2023 | | | US$(000) | | US$(000) | | US$(000) | | | | | | | | Finance costs: | | | | | | | Interest related to senior notes | | 46,937 | | 30,250 | | 30,250 | Fair value variation of the financial liability of the contingent consideration liability (c) | | 11,076 | | 6,657 | | 4,709 | Accretion expense for mine closure and exploration projects, note 14(b) | | 10,851 | | 8,081 | | 11,838 | Interest on borrowings and loans | | 3,494 | | 7,276 | | 9,044 | Derecognition of issuance cost of bond Senior Notes 5.50%, note 15(c) | | 3,289 | | — | | — | Bonds non-domiciled interest | | 2,311 | | 1,902 | | — | Accrual of costs for bond issuance, note 15(g) | | 2,062 | | 2,122 | | 2,082 | Interest related to payments to the tax administration, note 30(d) | | 1,694 | | 3,003 | | - | Accretion expense for leases related to right-in-use assets, note 15(g) | | 667 | | 623 | | 266 | Structuring costs related to credit lines | | 175 | | 2,062 | | — | Interest related to the liability resulting from the tax claim of the years 2009-2010 | | — | | — | | 58,454 | Amortized cost of financial obligations, note 15(g) | | — | | 700 | | 155 | Update of the present value of accounts receivable from Howden Holdco Perú | | — | | — | | 1,956 | Other financial costs | | 4,573 | | 2,721 | | 500 | | | 87,129 | | 65,397 | | 119,254 |
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| Schedule of contingent liabilities in business combination |
| | | | | | | | | 2025 | | 2024 | | 2023 | | | US$(000) | | US$(000) | | US$(000) | | | | | | | | Beginning balance | | 28,271 | | 21,614 | | 16,905 | | | | | | | | Changes in the fair value through profit or loss | | 11,076 | | 6,657 | | 4,709 | Ending balance | | 39,347 | | 28,271 | | 21,614 |
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