Biggest changeEl Arco Baja California (Mexico) Development Porphyry copper deposit; mineralization occurs in three sub-horizontal zones. Covers an area of 72,131 hectares in 11 concessions. 31 Table of Contents PROPERTY BOOK VALUE As of December 31, 2022, net book values of property and mine development were as follows (in millions): Peruvian operations: Cuajone $ 631.8 Toquepala 1,879.5 Tia Maria project 294.4 Ilo and other support facilities 585.8 Construction in progress 735.8 Total Peru $ 4,127.3 Mexican open ‑ pit operations: Buenavista mine and concentrator plants $ 2,213.0 Buenavista SX‑EW and Quebalix 856.5 La Caridad mine and concentrator plant 556.9 La Caridad support facilities 276.8 Construction in progress 603.6 Total Mexico Open Pit $ 4,506.8 Mexican IMMSA unit: San Luis Potosi $ 86.3 Zinc electrolytic refinery 83.9 Charcas 86.7 San Martin 131.7 Santa Barbara 118.9 Taxco 3.2 Santa Eulalia 39.9 Nueva Rosita 8.8 Construction in progress and other facilities 121.7 Total IMMSA Unit $ 681.1 Other property: El Pilar $ 106.3 Mexicana del Arco 80.4 Total $ 186.7 Mexican administrative offices $ 94.7 Total Mexico $ 5,469.3 Total Southern Copper Corporation $ 9,596.6 32 Table of Contents SUMMARY OPERATING DATA The following table contains certain operating data underlying our financial and operating information for each of the periods indicated. Variance Year Ended December 31, 2022 -2021 2021 -2020 2022 2021 2020 Volume % Volume % COPPER (thousand pounds) : Mined Peru open ‑ pit Toquepala 385,931 448,913 505,116 (62,982) (14.0) % (56,203) (11.1) % Cuajone 309,338 372,559 371,837 (63,221) (17.0) % 722 0.2 % SX‑EW Toquepala 58,315 56,777 57,342 1,538 2.7 % (565) (1.0) % Mexico open ‑ pit La Caridad 195,091 226,390 241,783 (31,299) (13.8) % (15,393) (6.4) % Buenavista 746,557 752,225 735,398 (5,668) (0.8) % 16,827 2.3 % SX‑EW La Caridad 51,449 55,942 56,981 (4,493) (8.0) % (1,039) (1.8) % SX‑EW Buenavista 205,662 180,437 216,470 25,225 14.0 % (36,033) (16.6) % IMMSA unit 20,137 19,222 22,711 915 4.8 % (3,489) (15.4) % Total Mined 1,972,480 2,112,465 2,207,638 (139,985) (6.6) % (95,173) (4.3) % Smelted Peru open ‑ pit Blister Ilo 4,508 5,735 9,177 (1,227) 100.0 % (3,442) (37.5) % Anodes Ilo 771,630 680,263 762,700 91,367 13.4 % (82,437) (10.8) % Mexico open ‑ pit Anodes La Caridad 629,283 633,621 625,414 (4,338) (0.7) % 8,207 1.3 % Total Smelted 1,405,421 1,319,619 1,397,291 85,802 6.5 % (77,672) (5.6) % Refined Peru Open ‑ pit Cathodes Ilo 638,741 573,583 631,118 65,158 11.4 % (57,535) (9.1) % SX‑EW Toquepala 58,315 56,777 57,342 1,538 2.7 % (565) (1.0) % Mexico Open ‑ pit Cathodes La Caridad 541,600 534,980 529,997 6,620 1.2 % 4,983 0.9 % SX‑EW La Caridad 51,449 55,942 56,981 (4,493) (8.0) % (1,039) (1.8) % SX‑EW Buenavista 205,662 180,437 216,470 25,225 14.0 % (36,033) (16.6) % Total Refined 1,495,767 1,401,719 1,491,908 94,048 6.7 % (90,189) (6.0) % Rod Mexico Open ‑ pit—La Caridad 344,893 330,961 285,363 13,932 4.2 % 45,598 16.0 % SILVER (thousand ounces) Mined Peru Open ‑ pit Toquepala 2,220 2,681 3,341 (461) (17.3) % (660) (19.8) % Cuajone 2,298 2,692 2,400 (394) (14.5) % 292 12.2 % Mexico Open ‑ pit La Caridad 2,086 2,227 2,266 (141) (6.3) % (39) (1.7) % Buenavista 5,208 4,774 5,550 434 9.1 % (776) (14.0) % IMMSA unit 6,750 6,588 7,983 162 2.5 % (1,395) (17.5) % Total Mined 18,562 18,962 21,540 (400) (2.1) % (2,578) (12.0) % Refined Peru—Ilo 3,741 3,985 3,967 (244) (6.0) % 18 0.5 % Mexico—La Caridad 8,569 7,612 8,128 957 12.6 % (516) (6.3) % IMMSA unit 1,962 2,094 1,793 (132) (6.3) % 301 16.8 % Total Refined 14,272 13,691 13,888 581 4.2 % (197) (1.4) % MOLYBDENUM (thousand pounds) Mined Toquepala 16,934 23,462 22,088 (6,528) (27.8) % 1,374 6.2 % Cuajone 7,992 9,237 9,315 (1,245) (13.5) % (78) (0.8) % Buenavista 11,848 11,524 12,058 324 2.8 % (534) (4.4) % La Caridad 21,075 22,493 23,226 (1,418) (6.3) % (733) (3.2) % Total Mined 57,849 66,716 66,687 (8,867) (13.3) % 29 0.0 % ZINC (thousand pounds) Mined IMMSA 132,300 147,617 151,964 (15,317) (10.4) % (4,347) (2.9) % Refined IMMSA 220,225 204,306 225,842 15,919 7.8 % (21,536) (9.5) % 33 Table of Contents SUMMARY DISCLOSURE OF MINERAL RESOURCES The following table contains the summary of our mineral resources exclusive of mineral reserves as of December 31, 2022, based on long-term price assumptions of $3.80 per pound of copper, $11.50 per pound of molybdenum ($10.35 per pound of molybdenum in the case of our El Arco mine), $23.00 per ounce of silver, $1.32 per pound of zinc, $1.04 per pound of lead and $1,725 per ounce of gold. Measured mineral resources Indicated mineral resources Measured + Indicated mineral resources Inferred mineral resources Amount Metal Amount Metal Amount Metal Amount Metal (million tonnes) Grades Content (million lb) (million tonnes) Grades Content (million lb) (million tonnes) Grades Content (million lb) (million tonnes) Grades Content (million lb) Copper: Peru: Cuajone Sulfides — — % — 331.6 0.46 % 3,381.5 331.6 0.46 % 3,381.5 850.9 0.31 % 5,901.7 Cuajone Leach — — % — 0.2 0.62 % 3.2 0.2 0.62 3.2 0.3 0.51 3.4 Toquepala Sulfides — — % — 1,584.2 0.43 % 15,060.6 1,584.2 0.43 % 15,060.6 2,406.7 88.20 % 20,939.9 Toquepala Leach — — % — 521.2 0.09 % 1,024.8 521.2 0.09 1,024.8 2,306.0 16.10 4,158.9 La Tapada deposit — — % — 90.4 0.21 % 420.3 90.4 0.21 % 420.3 1.6 0.18 % 6.4 Tia Maria deposit — — % — 35.5 0.17 % 135.2 35.5 0.17 % 135.2 21.8 0.22 % 107.8 Los Chancas — — % — 150.0 0.50 % 1,648.0 150.0 0.50 % 1,648.0 1,433.0 0.45 % 14,165.0 Michiquillay — — % — — — — — — — 2,288.0 0.43 % 21,554.8 Mexico: Buenavista Mill — — % — 764.0 0.34 % 5,663.7 764.0 0.34 % 5,663.7 13,015.0 0.21 % 56,583.8 Buenavista Leach — — % — 77.0 0.13 % 196.2 77.0 0.13 % 196.2 2,838.0 0.14 % 8,538.5 Buenavista zinc plant — — % — 148.0 0.46 % 1,560.9 148.0 0.46 % 1,560.9 143.0 0.43 % 1,393.3 La Caridad Mill — — % — 3,934.0 0.16 % 13,668.6 3,934.0 0.16 % 13,668.6 2,974.0 0.14 % 8,818.5 La Caridad Leach — — % — 684.0 0.07 % 1,102.3 684.0 0.07 % 1,102.3 526.0 0.08 % 881.8 Charcas — — % — 6.1 0.54 % 71.9 6.1 0.54 % 71.9 15.4 0.54 % 185.1 Santa Barbara — — % — 23.5 0.52 % 270.9 23.5 0.52 % 270.9 19.7 0.56 % 242.1 San Martin — — % — 11.5 0.61 % 154.8 11.5 0.61 % 154.8 9.2 0.49 % 100.1 El Arco Mill — — % — 826.6 0.41 % 7,544.9 826.6 0.41 % 7,544.9 2,344.9 0.37 % 19,352.3 El Arco Leach — — — 51.3 0.30 % 335.3 51.3 0.30 % 335.3 63.8 0.25 % 350.9 El Pilar 2.2 0.20 % 9.5 81.3 0.18 % 317.0 83.4 0.18 % 326.5 88.6 0.12 % 234.4 Pilares Mill — — % — — — % — — — % — 71.8 0.56 % 879.9 Pilares Leach — — % — — — % — — — % — 4.8 0.44 % 45.6 Total 2.2 9.5 9,320.3 52,560.0 9,322.5 52,569.5 31,422.5 164,444.3 Molybdenum: Peru: Cuajone — — % — 331.6 0.017 % 121.7 331.6 0.017 % 121.7 850.9 0.011 % 201.8 Toquepala — — % — 1,584.2 0.024 % 829.2 1,584.2 0.024 % 829.2 2,406.7 0.019 % 1,010.2 Mexico: Buenavista Mill — — % — 764.0 0.005 % 88.2 764.0 0.005 % 88.2 13,015.0 0.004 % 1,080.3 Buenavista zinc plant — — % — 148.0 0.002 % 4.4 148.0 0.002 % 4.4 143.0 0.003 % 6.6 La Caridad Mill — — % — 3,934.0 0.028 % 2,425.1 3,934.0 0.028 % 2,425.1 2,974.0 0.025 % 1,543.2 El Arco Mill — — % — 826.6 0.008 % 146.5 826.6 0.008 % 146.5 2,344.9 0.006 % 298.2 Pilares Mill — — % — — — % — — — % — 71.8 0.005 % 7.7 Total — — 7,588.4 3,615.1 7,588.4 3,615.1 21,806.3 4,148.0 Silver: (2) Mexico: Charcas — — % — 6.1 88.0 17,165 6.1 88.0 17,165 15.4 97.0 48,207 Santa Barbara — — % — 23.5 100.0 75,343 23.5 100.0 75,343 19.7 100.0 63,479 San Martin — — % — 11.5 92.0 34,311 11.5 92.0 34,311 9.2 112.0 32,894 El Arco Mill — — % — 826.6 1.6 41,875 826.6 1.6 41,875 2,344.9 1.5 110,890 Total — — 867.7 168,694.0 867.7 168,694.0 2,389.2 255,470.0 Zinc: Mexico: Buenavista zinc plant — — % — 148.0 0.78 % 2,416.3 148.0 0.78 % 2,416.3 143.0 0.49 % 1,638.0 Buenavista Cu plant — — % — 764.0 0.07 % 1,181.7 764.0 0.07 % 1,181.7 13,015.0 0.03 % 8,088.8 Charcas — — % — 6.1 3.13 % 418.2 6.1 3.13 % 418.2 15.4 2.70 % 918.4 Santa Barbara — — % — 23.5 3.17 % 1,640.6 23.5 3.17 % 1,640.6 19.7 4.03 % 1,746.8 San Martin — — % — 11.5 2.48 % 630.3 11.5 2.48 % 630.3 9.2 2.05 % 414.0 Total — — 953.1 6,287.1 953.1 6,287.1 13,202.3 12,806.0 Lead: 34 Table of Contents Mexico: Charcas — — % — 6.1 0.39 % 51.9 6.1 0.39 % 51.9 15.4 0.39 % 132.6 Santa Barbara — — % — 23.5 1.89 % 975.9 23.5 1.89 % 975.9 19.7 2.36 % 1,025.0 San Martin — — % — 11.5 0.49 % 124.8 11.5 0.49 % 124.8 9.2 0.62 % 124.3 Total — — 41.1 1,152.5 41.1 1,152.5 44.3 1,281.9 Gold: (2) Mexico: Santa Barbara — — % — 23.5 0.28 210 23.5 0.28 210 19.7 0.17 107 El Arco Mill — — % — 826.6 0.12 3,226 826.6 0.12 3,226 2,344.9 0.11 8,053 Total — — 850.1 3,436 850.1 3,436 2,364.6 8,160 (1) Mineral resources are reported in situ and are current as at December 31, 2022.
Biggest changeEl Arco Baja California (Mexico) Development Porphyry copper deposit; mineralization occurs in three sub-horizontal zones. Consists of 20 concessiones covering approximately 72,131 hectares. 36 Table of Contents PROPERTY BOOK VALUE As of December 31, 2023, net book values of property and mine development were as follows (in millions): Peruvian operations: Cuajone $ 597.7 Toquepala 1,925.4 Tia Maria project 282.8 Ilo and other support facilities 548.2 Construction in progress 740.3 Total Peru $ 4,094.4 Mexican open ‑ pit operations: Buenavista mine and concentrator plants $ 2,451.6 Buenavista SX‑EW and Quebalix 776.6 La Caridad mine and concentrator plant 652.9 La Caridad support facilities 261.2 Construction in progress 464.4 Total Mexico Open Pit $ 4,606.7 Mexican IMMSA unit: San Luis Potosi $ 85.2 Zinc electrolytic refinery 80.1 Charcas 103.6 San Martin 132.5 Santa Barbara 140.0 Santa Eulalia 34.7 Other facilities 6.0 Construction in progress - Zinc electrolytic refinery 11.0 - Charcas 46.0 - San Martin 18.7 - Santa Barbara 78.0 - Santa Eulalia 15.3 - Other Facilities 3.4 Total IMMSA Unit $ 754.5 Other property: El Pilar $ 116.0 Mexicana del Arco 103.1 Total $ 219.1 Mexican administrative offices $ 108.2 Total Mexico $ 5,688.5 Total Southern Copper Corporation $ 9,782.9 37 Table of Contents SUMMARY OPERATING DATA The following table contains certain operating data underlying our financial and operating information for each of the periods indicated. Variance Year Ended December 31, 2023 -2022 2022 -2021 2023 2022 2021 Volume % Volume % COPPER (thousand pounds) : Mined Peru open ‑ pit Toquepala 440,165 385,931 448,913 54,234 14.1 % (62,982) (14.0) % Cuajone 328,990 309,338 372,559 19,652 6.4 % (63,221) (17.0) % SX ‑ EW Toquepala 55,672 58,315 56,777 (2,643) (4.5) % 1,538 2.7 % Mexico open ‑ pit La Caridad 193,596 195,091 226,390 (1,495) (0.8) % (31,299) (13.8) % Buenavista 725,216 746,557 752,225 (21,341) (2.9) % (5,668) (0.8) % SX ‑ EW La Caridad 50,691 51,449 55,942 (758) (1.5) % (4,493) (8.0) % SX ‑ EW Buenavista 193,024 205,662 180,437 (12,638) (6.1) % 25,225 14.0 % IMMSA unit 21,084 20,137 19,222 947 4.7 % 915 4.8 % Total Mined 2,008,438 1,972,480 2,112,465 35,958 1.8 % (139,985) (6.6) % Smelted Peru open ‑ pit Blister Ilo 4,088 4,508 5,735 (420) 100.0 % (1,227) (21.4) % Anodes Ilo 798,342 771,630 680,263 26,712 3.5 % 91,367 13.4 % Mexico open ‑ pit Anodes La Caridad 581,167 629,283 633,621 (48,116) (7.6) % (4,338) (0.7) % Total Smelted 1,383,597 1,405,421 1,319,619 (21,824) (1.6) % 85,802 6.5 % Refined Peru Open ‑ pit Cathodes Ilo 638,589 638,741 573,583 (152) (0.0) % 65,158 11.4 % SX ‑ EW Toquepala 55,672 58,315 56,777 (2,643) (4.5) % 1,538 2.7 % Mexico Open ‑ pit Cathodes La Caridad 481,841 541,600 534,980 (59,759) (11.0) % 6,620 1.2 % SX ‑ EW La Caridad 50,691 51,449 55,942 (758) (1.5) % (4,493) (8.0) % SX ‑ EW Buenavista 193,024 205,662 180,437 (12,638) (6.1) % 25,225 14.0 % Total Refined 1,419,817 1,495,767 1,401,719 (75,950) (5.1) % 94,048 6.7 % Rod Mexico Open ‑ pit—La Caridad 340,182 344,893 330,961 (4,711) (1.4) % 13,932 4.2 % SILVER (thousand ounces) Mined Peru Open ‑ pit Toquepala 2,615 2,220 2,681 395 17.7 % (461) (17.2) % Cuajone 2,395 2,298 2,692 97 4.3 % (394) (14.6) % Mexico Open ‑ pit La Caridad 2,065 2,086 2,227 (21) (1.0) % (141) (6.3) % Buenavista 4,669 5,208 4,774 (539) (10.3) % 434 9.1 % IMMSA unit 6,664 6,750 6,588 (86) (1.3) % 162 2.5 % Total Mined 18,408 18,562 18,962 (154) (0.8) % (400) (2.1) % Refined Peru—Ilo 3,526 3,741 3,985 (215) (5.6) % (244) (6.1) % Mexico—La Caridad 7,398 8,569 7,612 (1,171) (13.7) % 957 12.6 % IMMSA unit 3 1,962 2,094 (1,959) (99.8) % (132) (6.3) % Total Refined 10,927 14,272 13,691 (3,345) (23.4) % 581 4.2 % MOLYBDENUM (thousand pounds) Mined Toquepala 13,916 16,934 23,462 (3,018) (17.8) % (6,528) (27.8) % Cuajone 8,252 7,992 9,237 260 3.3 % (1,245) (13.5) % Buenavista 11,937 11,848 11,524 89 0.8 % 324 2.8 % La Caridad 25,059 21,075 22,493 3,984 18.9 % (1,418) (6.3) % Total Mined 59,164 57,849 66,716 1,315 2.3 % (8,867) (13.3) % ZINC (thousand pounds) Mined IMMSA 144,422 132,300 147,617 12,122 9.2 % (15,317) (10.4) % Refined IMMSA 222,695 220,225 204,306 2,470 1.1 % 15,919 7.8 % (1) Copper production reported under “ smelted ” and “ refined ” is a subset of the mined copper and it is not additive to the mined copper. 38 Table of Contents SUMMARY DISCLOSURE OF MINERAL RESOURCES The following table contains the summary of our mineral resources exclusive of mineral reserves as of December 31, 2023, based on long-term price assumptions of $3.80 per pound of copper, $11.50 per pound of molybdenum ($10.35 per pound of molybdenum in the case of our El Arco mine), $23.00 per ounce of silver, $1.32 per pound of zinc, $1.04 per pound of lead and $1,725 per ounce of gold. Measured mineral resources Indicated mineral resources Measured + Indicated mineral resources Inferred mineral resources Amount Metal Amount Metal Amount Metal Amount Metal (million tonnes) Grades Content (million lb) (million tonnes) Grades Content (million lb) (million tonnes) Grades Content (million lb) (million tonnes) Grades Content (million lb) Copper: Peru: Cuajone Sulfides — — % — 329.5 0.38 % 2,746.6 329.5 0.38 % 2,746.6 836.0 0.32 % 5,831.2 Cuajone Leach — — % — 0.2 0.54 % 2.6 0.2 0.54 % 2.6 0.3 0.51 % 3.4 Toquepala Sulfides — — % — 1,196.7 0.42 % 11,182.3 1,196.7 0.42 % 11,182.3 2,405.1 0.39 % 20,920.9 Toquepala Leach — — % — 1,050.6 0.08 % 1,943.3 1,050.6 0.08 % 1,943.3 2,303.7 0.08 % 4,154.8 La Tapada deposit — — % — 90.4 0.21 % 420.3 90.4 0.21 % 420.3 1.6 0.18 % 6.4 Tia Maria deposit — — % — 35.5 0.17 % 135.2 35.5 0.17 % 135.2 21.8 0.22 % 107.8 Los Chancas Oxide — — % — 98.0 0.45 % 975.2 98.0 0.45 % 975.2 33.0 0.38 % 277.4 Los Chancas Sulfide — — % — 52.0 0.59 % 672.8 52.0 0.59 % 672.8 1,400.0 0.45 % 13,887.6 Michiquillay — — % — — — % — — — % — 2,288.0 0.43 % 21,554.8 Mexico: Buenavista Mill — — % — 763.8 0.34 % 5,663.6 763.8 0.34 % 5,663.6 13,015.0 0.21 % 56,583.5 Buenavista Leach — — % — 76.9 0.13 % 196.0 76.9 0.13 % 196.0 2,830.5 0.14 % 8,517.1 Buenavista zinc plant — — % — 148.2 0.46 % 1,561.6 148.2 0.46 % 1,561.6 142.8 0.43 % 1,394.4 La Caridad Mill — — % — 3,927.5 0.16 % 13,680.6 3,927.5 0.16 % 13,680.6 2,972.8 0.14 % 8,913.2 La Caridad Leach — — % — 683.0 0.08 % 1,129.0 683.0 0.08 % 1,129.0 526.0 0.08 % 904.5 Charcas — — % — 6.4 0.52 % 73.8 6.4 0.52 % 73.8 15.2 0.55 % 182.5 Santa Barbara — — % — 25.5 0.52 % 291.8 25.5 0.52 % 291.8 18.2 0.55 % 222.2 San Martin — — % — 13.0 0.65 % 187.0 13.0 0.65 % 187.0 52.3 0.48 % 554.0 El Arco Mill — — % — 826.6 0.41 % 7,544.9 826.6 0.41 % 7,544.9 2,344.9 0.37 % 19,352.3 El Arco Leach — — — 51.3 0.30 % 335.3 51.3 0.30 % 335.3 63.8 0.25 % 350.9 El Pilar 2.2 0.20 % 9.0 81.3 0.18 % 317.0 83.4 0.18 % 326.0 88.6 0.12 % 234.4 Pilares Mill — — % — — — % — — — % — 67.3 0.55 % 817.3 Pilares Leach — — % — — — % — — — % — 0.9 0.34 % 6.8 Total 2.2 9.0 9,456.4 49,058.8 9,458.5 49,067.8 31,427.9 164,777.5 Molybdenum: Peru: Cuajone — — % — 329.5 0.014 % 103.4 329.5 0.014 % 103.4 836.0 0.011 % 200.5 Toquepala — — % — 1,196.7 0.023 % 606.7 1,196.7 0.023 % 606.7 2,405.1 0.019 % 1,009.3 Mexico: Buenavista Mill — — % — 763.8 0.005 % 88.7 763.8 0.005 % 88.7 13,015.0 0.004 % 1,081.2 Buenavista zinc plant — — % — 148.2 0.002 % 5.4 148.2 0.002 % 5.4 142.8 0.003 % 6.8 La Caridad Mill — — % — 3,927.5 0.028 % 2,424.4 3,927.5 0.028 % 2,424.4 2,972.8 0.025 % 1,638.5 El Arco Mill — — % — 826.6 0.008 % 146.5 826.6 0.008 % 146.5 2,344.9 0.006 % 298.2 Pilares Mill — — % — — — % — — — % — 67.3 0.005 % 7.5 Total — — 7,192.3 3,375.1 7,192.3 3,375.1 21,783.9 4,241.9 Silver: (2) Mexico: Charcas — — % — 6.4 84.0 17,297.0 6.4 84.0 17,297.0 15.2 98.0 48,005.0 Santa Barbara — — % — 25.5 103.0 84,495.0 25.5 103.0 84,495.0 18.2 95.0 55,444.0 San Martin — — % — 13.0 77.0 32,236.0 13.0 77.0 32,236.0 52.3 72.0 121,500.0 El Arco Mill — — % — 826.6 1.6 41,875.3 826.6 1.6 41,875.3 2,344.9 1.5 110,887.3 Total — — 871.5 175,903.3 871.5 175,903.3 2,430.6 335,836.3 Zinc: Mexico: Buenavista zinc plant — — % — 148.2 0.78 % 2,416.3 148.2 0.78 % 2,416.3 142.8 0.49 % 1,638.0 Buenavista Cu plant — — % — 763.8 0.07 % 1,182.1 763.8 0.07 % 1,182.1 13,015.0 0.03 % 8,088.8 Charcas — — % — 6.4 3.06 % 431.8 6.4 3.06 % 431.8 15.2 2.78 % 928.0 Santa Barbara — — % — 25.5 3.15 % 1,772.7 25.5 3.15 % 1,772.7 18.2 3.86 % 1,553.5 San Martin — — % — 13.0 1.97 % 565.0 13.0 1.97 % 565.0 52.3 2.66 % 3,072.7 Total — — 956.9 6,367.9 956.9 6,367.9 13,243.5 15,281.0 39 Table of Contents Lead: Mexico: Charcas — — % — 6.4 0.39 % 55.0 6.4 0.39 % 55.0 15.2 0.39 % 129.5 Santa Barbara — — % — 25.5 1.99 % 1,121.0 25.5 1.99 % 1,121.0 18.2 2.25 % 906.0 San Martin — — % — 13.0 0.34 % 96.8 13.0 0.34 % 96.8 52.3 0.32 % 369.3 Total — — 44.9 1,272.8 44.9 1,272.8 85.7 1,404.8 Gold: (2) Mexico: Santa Barbara — — % — 25.5 0.27 221.0 25.5 0.27 221.0 18.2 0.17 98.0 El Arco Mill — — % — 826.6 0.12 3,226.1 826.6 0.12 3,226.1 2,344.9 0.11 8,053.5 Total — — 852.1 3,447 852.1 3,447 2,363.1 8,152 (1) Mineral resources are reported in situ and are current at December 31, 2023.