| Schedule of Changes in Intangible Assets, Net |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Year ended December 31, 2025 | | | Information system projects | | Mining assets | | Exploration and evaluation costs | | Customer relationships and other contractual rights | | Trademarks | | Goodwill | | Total | | Values at the beginning of the year | | | | | | | | | | | | | | | | Cost | | 651,838 | | | 466,817 | | | 16,786 | | | 298,098 | | | 73,935 | | | 662,307 | | | 2,169,781 | | | Accumulated amortization | | (427,855) | | | (356,688) | | | — | | | (289,192) | | | (73,935) | | | — | | | (1,147,670) | | | | | | | | | | | | | | | | | | Net book value as of January 1, 2025 | | 223,983 | | | 110,129 | | | 16,786 | | | 8,906 | | | — | | | 662,307 | | | 1,022,111 | | | | | | | | | | | | | | | | | | Opening net book value | | 223,983 | | | 110,129 | | | 16,786 | | | 8,906 | | | — | | | 662,307 | | | 1,022,111 | | | Translation differences | | 4,718 | | | 17 | | | — | | | — | | | — | | | — | | | 4,735 | | | | | | | | | | | | | | | | | | Additions | | 62,781 | | | 60,158 | | | 32,987 | | | — | | | — | | | — | | | 155,926 | | | Disposals / Consumptions | | (771) | | | — | | | — | | | — | | | — | | | — | | | (771) | | | Impairment charge (note 4 (e)(2)) | | — | | | (5,280) | | | — | | | — | | | — | | | — | | | (5,280) | | | Transfers | | (7,061) | | | 20,601 | | | (20,684) | | | — | | | — | | | — | | | (7,144) | | | Amortization charge | | (59,248) | | | (107,551) | | | — | | | (417) | | | — | | | — | | | (167,216) | | | | | | | | | | | | | | | | | | Closing net book value | | 224,402 | | | 78,074 | | | 29,089 | | | 8,489 | | | — | | | 662,307 | | | 1,002,361 | | | | | | | | | | | | | | | | | | Values at the end of the year | | | | | | | | | | | | | | | | Cost | | 711,844 | | | 542,753 | | | 29,089 | | | 298,098 | | | 73,935 | | | 662,307 | | | 2,318,026 | | | Accumulated amortization | | (487,442) | | | (464,679) | | | — | | | (289,609) | | | (73,935) | | | — | | | (1,315,665) | | | | | | | | | | | | | | | | | | Net book value as of December 31, 2025 | | 224,402 | | | 78,074 | | | 29,089 | | | 8,489 | | | — | | | 662,307 | | | 1,002,361 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Year ended December 31, 2024 | | | Information system projects | | Mining assets | | Exploration and evaluation costs | | Customer relationships and other contractual rights | | Trademarks | | Goodwill | | Total | | Values at the beginning of the year | | | | | | | | | | | | | | | | Cost | | 563,120 | | | 403,875 | | | 14,639 | | | 298,134 | | | 73,935 | | | 662,307 | | | 2,016,010 | | | Accumulated amortization | | (381,622) | | | (275,533) | | | — | | | (288,872) | | | (73,935) | | | — | | | (1,019,962) | | | | | | | | | | | | | | | | | | Net book value as of January 1, 2024 | | 181,498 | | | 128,342 | | | 14,639 | | | 9,262 | | | — | | | 662,307 | | | 996,048 | | | | | | | | | | | | | | | | | | Opening net book value | | 181,498 | | | 128,342 | | | 14,639 | | | 9,262 | | | — | | | 662,307 | | | 996,048 | | | Translation differences | | (8,810) | | | — | | | — | | | — | | | — | | | — | | | (8,810) | | | | | | | | | | | | | | | | | | Additions | | 100,345 | | | 62,303 | | | 37,443 | | | — | | | — | | | — | | | 200,091 | | | Disposals / Consumptions | | (2,216) | | | (2,000) | | | — | | | (36) | | | — | | | — | | | (4,252) | | | Impairment charge (note 4 (e)(2)) | | — | | | (32,435) | | | — | | | — | | | — | | | — | | | (32,435) | | | Transfers | | 1,463 | | | 35,355 | | | (35,296) | | | — | | | — | | | — | | | 1,522 | | | Amortization charge | | (48,297) | | | (81,436) | | | — | | | (320) | | | — | | | — | | | (130,053) | | | | | | | | | | | | | | | | | | Closing net book value | | 223,983 | | | 110,129 | | | 16,786 | | | 8,906 | | | — | | | 662,307 | | | 1,022,111 | | | | | | | | | | | | | | | | | | Values at the end of the year | | | | | | | | | | | | | | | | Cost | | 651,838 | | | 466,817 | | | 16,786 | | | 298,098 | | | 73,935 | | | 662,307 | | | 2,169,781 | | | Accumulated amortization | | (427,855) | | | (356,688) | | | — | | | (289,192) | | | (73,935) | | | — | | | (1,147,670) | | | | | | | | | | | | | | | | | | Net book value as of December 31, 2024 | | 223,983 | | | 110,129 | | | 16,786 | | | 8,906 | | | — | | | 662,307 | | | 1,022,111 | |
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