| Schedule of net sales to customers by geographical areas |
| (a) | The Group’s sales are mostly from sales of gold and precious metals in the form of concentrates, including silver-lead, silver-gold, zinc and lead-gold-copper concentrates and ounces of gold. Set out below is the disaggregation of the Group’s revenue from contracts with customers: |
| | | | | | | | | 2025 | | 2024 | | 2023 | | | US$(000) | | US$(000) | | US$(000) | | | | | | | | Revenues by geographic region: | | | | | | | Metal and concentrates sales - | | | | | | | Peru | | 1,095,510 | | 792,883 | | 530,103 | America - other than Peru | | 278,387 | | 206,721 | | 169,239 | Asia | | 93,683 | | 58,344 | | 59,308 | Europe | | 125,534 | | 96,029 | | 55,107 | | | 1,593,114 | | 1,153,977 | | 813,757 | Services - | | | | | | | Peru | | 11,305 | | 7,015 | | 12,884 | | | 1,604,419 | | 1,160,992 | | 826,641 |
| | | | | | | Revenues by type of good or services: | | | | | | | Sales by metal - | | | | | | | Silver | | 626,799 | | 415,399 | | 196,340 | Copper | | 588,441 | | 483,547 | | 466,558 | Gold | | 388,004 | | 326,742 | | 279,731 | Zinc | | 68,188 | | 63,125 | | 46,620 | Lead | | 34,304 | | 33,779 | | 21,401 | Manganese sulfate | | 9,114 | | 3,658 | | — | Antimony | | 309 | | — | | — | | | 1,715,159 | | 1,326,250 | | 1,010,650 | Commercial deductions, note 2.4(p) | | (122,045) | | (172,273) | | (196,893) | Sales of goods (b) | | 1,593,114 | | 1,153,977 | | 813,757 | Sales of services (b) | | 11,305 | | 7,015 | | 12,884 | Total revenue from contracts with customers | | 1,604,419 | | 1,160,992 | | 826,641 | | | | | | | | Revenues by type of recognition: | | | | | | | Goods transferred at a point in time | | 1,593,114 | | 1,153,977 | | 813,757 | Services transferred over time | | 11,305 | | 7,015 | | 12,884 | | | 1,604,419 | | 1,160,992 | | 826,641 |
See related accounting policies in Note 2.4(p). | (b) | Set out below, is the reconciliation of the revenue from contracts with customers with the amounts disclosed in the consolidated statement of profit or loss: |
| | | | | | | | | 2025 | | 2024 | | 2023 | | | US$(000) | | US$(000) | | US$(000) | | | | | | | | Contracts with customers for sale of goods (a) | | 1,593,114 | | 1,153,977 | | 813,757 | Hedge operations, note 33(a) | | — | | — | | 6,056 | Adjustments to prior period liquidations | | 43,584 | | 1,652 | | (450) | Fair value of accounts receivables | | 83,636 | | (8,039) | | (8,402) | | | | | | | | Sale of goods | | 1,720,334 | | 1,147,590 | | 810,961 | Sale of services, (a) | | 11,305 | | 7,015 | | 12,884 | | | 1,731,639 | | 1,154,605 | | 823,845 |
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| Schedule of revenue by type of products |
| | | | | | | | | | | | | | | For the year ended | | For the year ended | | For the year ended | | | December 31, 2025 | | December 31, 2024 | | December 31, 2023 | | | Pounds (000) | | US$(000) | | Pounds (000) | | US$(000) | | Pounds (000) | | US$(000) | | | | | | | | | | | | | | Copper in concentrate | | 805,113 | | 3,885,315 | | 873,977 | | 3,469,843 | | 891,451 | | 3,219,033 | Copper cathode | | 61,737 | | 282,809 | | 77,472 | | 323,073 | | 101,617 | | 394,809 | Other (primarily silver and molybdenum concentrate) | | | | 560,216 | | | | 445,406 | | | | 529,386 | | | | | | | | | | | | | | Total revenues | | | | 4,728,340 | | | | 4,238,322 | | | | 4,143,228 |
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| Schedule of net sales by geographic region |
| | | | | | | | | For the year ended | | For the year ended | | For the year ended | | | December 31, 2025 | | December 31, 2024 | | December 31, 2023 | | | US$(000) | | US$(000) | | US$(000) | | | | | | | | Asia | | 3,591,199 | | 3,315,595 | | 3,083,051 | Europe | | 595,231 | | 320,612 | | 401,512 | North America | | 349,392 | | 416,291 | | 547,934 | South America (primarily Peru) | | 192,518 | | 185,824 | | 110,731 | | | | | | | | Total sales | | 4,728,340 | | 4,238,322 | | 4,143,228 |
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