| Schedule of financial information relating to Company's segments |
| | | | | | | | | | | | | | | | | | | | | Three Months Ended March 31, 2025 | | | (in millions) | | | | | Mexican | | | | | | | | Corporate, other | | | | | | Mexican | | IMMSA | | Peruvian | | Segment | | and | | | | | | Open-pit | | Unit | | Operations | | Total | | eliminations | | Consolidated | Net sales to external customers | | $ | 1,749.4 | | $ | 106.5 | | $ | 1,266.0 | | $ | 3,121.9 | | $ | — | | $ | 3,121.9 | Intersegment sales | | | | | | 48.9 | | | | | | 48.9 | | | (48.9) | | | 0.0 | Cost of sales (exclusive of depreciation, amortization and depletion) | | | 668.0 | | | 112.0 | | | 597.1 | | | 1,377.2 | | | (58.0) | | | 1,319.2 | Selling, general and administrative | | | 16.9 | | | 2.7 | | | 9.0 | | | 28.7 | | | 3.0 | | | 31.7 | Depreciation, amortization and depletion | | | 97.7 | | | 19.8 | | | 94.5 | | | 212.0 | | | 11.7 | | | 223.8 | Exploration | | | 1.3 | | | 2.4 | | | 3.8 | | | 7.5 | | | 4.2 | | | 11.7 | Operating income | | $ | 965.5 | | $ | 18.4 | | $ | 561.5 | | $ | 1,545.5 | | $ | (9.9) | | | 1,535.5 | Less: | | | | | | | | | | | | | | | | | | | Interest, net | | | | | | | | | | | | | | | | | | (43.2) | Other income (expense) | | | | | | | | | | | | | | | | | | (13.7) | Income before income taxes | | | | | | | | | | | | | | | | | $ | 1,478.5 | Capital investment | | $ | 134.6 | | $ | 21.4 | | $ | 160.1 | | $ | 316.1 | | $ | 1.7 | | $ | 317.8 | Property and mine development, net | | $ | 4,951.1 | | $ | 794.9 | | $ | 3,816.9 | | $ | 9,562.9 | | $ | 371.7 | | $ | 9,934.6 | Total assets | | $ | 9,185.2 | | $ | 1,214.5 | | $ | 5,295.6 | | $ | 15,695.3 | | $ | 4,096.0 | | $ | 19,791.2 |
| | | | | | | | | | | | | | | | | | | | | Three Months Ended March 31, 2024 | | | (in millions) | | | | | Mexican | | | | | | | | Corporate, other | | | | | | Mexican | | IMMSA | | Peruvian | | Segment | | and | | | | | Open-pit | | Unit | | Operations | | Total | | eliminations | | Consolidated | Net sales to external customers | | $ | 1,466.0 | | $ | 105.1 | | $ | 1,028.7 | | $ | 2,599.8 | | $ | — | | $ | 2,599.8 | Intersegment sales | | | — | | | 41.3 | | | | | | 41.3 | | | (41.3) | | | — | Cost of sales (exclusive of depreciation, amortization and depletion) | | | 594.6 | | | 129.7 | | | 474.6 | | | 1,198.9 | | | (41.3) | | | 1,157.6 | Selling, general and administrative | | | 17.1 | | | 2.6 | | | 9.4 | | | 29.1 | | | 1.8 | | | 30.8 | Depreciation, amortization and depletion | | | 99.7 | | | 19.2 | | | 81.4 | | | 200.3 | | | 8.7 | | | 209.0 | Exploration | | | 3.6 | | | 1.8 | | | 5.8 | | | 11.2 | | | 1.5 | | | 12.7 | Operating income | | $ | 751.0 | | $ | (6.8) | | $ | 457.5 | | $ | 1,201.7 | | $ | (12.0) | | | 1,189.7 | Less: | | | | | | | | | | | | | | | | | | | Interest, net | | | | | | | | | | | | | | | | | | (53.2) | Other income (expense) | | | | | | | | | | | | | | | | | | 19.0 | Income before income taxes | | | | | | | | | | | | | | | | | $ | 1,155.5 | Capital investment | | $ | 107.1 | | $ | 31.8 | | $ | 70.5 | | $ | 209.4 | | $ | 4.4 | | $ | 213.8 | Property and mine development, net | | $ | 4,836.2 | | $ | 765.0 | | $ | 3,771.2 | | $ | 9,372.4 | | $ | 410.8 | | $ | 9,783.2 | Total assets | | $ | 9,242.2 | | $ | 1,193.0 | | $ | 5,353.1 | | $ | 15,788.3 | | $ | 1,001.0 | | $ | 16,789.3 |
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