gmm6k-_063003.txt FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 REPORT OF FOREIGN PRIVATE ISSUER Pursuant to Rule 13a-16 or 15d-16 of the Securities Act of 1934 For the month of June 2003 Mexico Mining Group, S.A. de C.V. (Translation of Registrant's name into English) Grupo Minero Mexico, S.A. DE C.V. Baja California 200 Col. Roma Sur 06760 Mexico, D.F. (Address of principal executive offices) Indicate by check mark whether the registrant files of will file annual reports under cover of Form 20-F of Form 40-F Form 20-F X FORM 40-F Indicate by check mark whether the registrant by furnish the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g-32(b) under the Securities Exchange Act of 1934 Yes: No X If "yes" is marked, indicate the file number assigned to the registrant in connection with Rule 12g3-2(b): SIGNATURE PAGE Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. MINERA MEXICO, S.A. DE C.V. (PREVIOUSLY GRUPO MINERO MEXICO, S.A. DE C.V. (1)) Date: August 06, 2003 By: Name: Daniel Tellechea Salido Title: Managing Director, Finance MINERA MEXICO, S.A. DE C.V. AND SUBSIDIARIES (1) CONSOLIDATED BALANCE SHEET AS OF JUNE 30, 2003 AND 2002 EXPRESSED IN THOUSANDS OF CONSTANT MEXICAN PESOS AS OF JUNE 30, 2003 A S S E T S 2003 2002 CURRENT: Cash and marketable securities $ 958,851 $ 872,293 Notes and accounts receivable Trade, 551,529 793,792 Affiliated companies 334,418 2,784,514 Recoverable taxes 580,192 387,489 Other 273,911 282,359 ---------- ---------- 1,740,050 4,248,154 Inventories of primary and secondary metals and byproducts 1,062,332 1,101,289 Materials and supplies, 1,033,733 1,057,777 Prepaid expenses and other 62,409 48,131 ---------- ---------- Total current assets 4,857,375 7,327,644 AFFILIATED COMPANIES LONG TERM 72,379 9,054,062 OTHER ASSETS: Deferred charges 2,261,806 2,322,237 Share in trust and others 560,257 522,054 ---------- ---------- 2,822,063 2,844,291 PROPERTY AND EQUIPMENT, 28,240,985 29,856,875 INVESTMENTS IN SHARES OF ASSOCIATED AND OTHER UNCONSOLIDATED COMPANIES 5,918 6,105 GOODWILL 94,304 121,784 ---------- ---------- $ 36,093,024 $ 49,210,761 ========== ========== LIABILITIES AND STOCKHOLDERS'EQUITY 2003 2002 CURRENT: Notes and interest payable $ 2,105,001 $ 2,062,418 Accounts payable and accrued liabilities 2,102,959 2,699,029 Affiliated companies 375,243 594,640 Income tax, asset tax and employee profit sharing 181,687 95,538 ---------- ---------- Total current liabilities 4,764,890 5,451,625 LONG-TERM DEBT 11,895,666 11,745,192 LIABILITY FOR VOLUNTARY RETIREMENT, PENSIONS, SENIORITY PREMIUMS AND MEDICAL SERVICES 385,951 298,296 AFFILIATED COMPANIES LONG TERM 622,287 595,272 DEFERRED INCOME TAXES 7,918,096 7,648,538 ---------- ---------- Total liabilities 25,586,890 25,738,923 STOCKHOLDERS' EQUITY: Capital stock 6,058,181 11,887,346 Additional paid-in capital 1,681,956 22,696 Effect in merger 69,602 - Retained earnings 18,273,125 38,997,394 Initial effect of deferred income taxes (9,972,046) (8,713,312) Cumulative effect of restatement (6,504,189) (19,599,127) ---------- ---------- Total majority stockholders' equity 9,606,629 22,594,997 Minority interest 899,505 876,841 ---------- ---------- 10,506,134 23,471,838 Total stockholders' equity $ 36,093,024 $ 49,210,761 ========== ========== (1) ON MAY 28, 2003, WE AND MINERA MEXICO, S.A. DE C.V. HELD AN EXTRAORDINARY SHAREHOLDERS' MEETINGS APPROVING THE MERGER OF GRUPO MINERO MEXICO, S.A. DE C.V. AND INTO MINERA MEXICO, S.A. DE C.V. BETWEEN OURSELVES AND WITH REGARD TO LEGAL, TAX AND ACCOUNTING RIGHTS AND OBLIGATIONS AMONG OURSELVES, THE MERGER IS EFFECTIVE AS OF JUNE 1, 2003. UNDER MEXICAN LAW, THE VALIDITY OF THE MERGER VIS-A-VIS THIRD PARTIES IS EFFECTIVE NINETY DAYS AFTER THE REGISTRATION OF THE SHAREHOLDERS' RESOLUTIONS AND ACCOMPANYING MERGER AGREEMENT WITH THE MEXICAN PUBLIC REGISTY OF COMMERCE. THE EXECUTED RESOLUTIONS AND ACCOMPANYING MERGER AGREEMENT WERE REGISTERED ON JULY 2, 3003, WITH THE MEXICAN PUBLIC REGISTRY OF COMMERCE. MINERA MEXICO'S FINANCIAL INFORMATION SHOWN IN THIS REPORT, CONTAINS INCOR- PORATED THE EFFECTS OF THE MERGER ABOVE MENTIONED, AND THAT THEY WERE AS FOLLOWS: THE CONSOLIDATED RESULTS (LOSSES) ACCUMULATED OF THE PERIOD OF SIX MONTHS ENDED ON JUNE 30, INCLUDE THE CAPITALIZATION OF THE RESULTS OF THE PERIOD OF JANUARY 1st. TO MAY 30, 2003 (DATE WHEN THE MERGER TOOK PLACE), WITH AN AMOUNT OF $ 354.7 MILLION PESOS WHICH ARE INTEGRATED BASICALLY FOR AND AMOUNT OF $ 69.1 MILLION PESOS OF OPERATING LOSSES, $ 171.5 MILLION PESOS OF NET COMPREHENSIVE FINANCING COSTS, $ 105.3 MILLION OF DEFERRED TAX EFFECT AND $ 8.8 MILLION PESOS OF OTHER SMALLER ITEMS, SITUATION THAT WAS REFLECTED AS A DECREASE IN THE STOCKHOLDERS EQUITY. MINERA MEXICO, S.A. DE C.V. AND SUBSIDIARIES CONSOLIDATED STATEMENTS OF OPERATIONS FOR THE PERIODS ENDED JUNE 30, 2003 AND 2002 IN THOUSANDS OF MEXICAN PESOS OF PURCHASING POWER OF JUNE 30, 2003 2003 2002 -------------- ------------- NET SALES 3,569,838 100 3,750,529 100 COST OF SALES 2,590,058 73 2,734,663 73 ---------- --------- 979,780 27 1,015,866 27 OPERATING EXPENSES: Administrative expenses 159,249 4 193,150 5 Depreciation and amortization 933,326 26 867,380 23 ---------- --------- OPERATING LOSS (112,795) (3) (44,664) (1) NET COMPREHENSIVE FINANCING COST: Interest expense, net 95,658 3 129,221 3 Exchange loss, net 234,429 7 302,391 8 Realized income on hedging activities (1,212) - - - Monetary position loss (gain) 43,092 1 (116,188) (3) ---------- -------- 371,967 10 315,424 8 OTHER INCOME (EXPENSES), net 28,807 1 (24,239) (1) ---------- -------- Loss before provisions (455,955) (13) (384,327) (10) PROVISIONS FOR: Income taxes 6,522 - 13,569 - Deferred tax 196,713 7 150,513 4 Asset taxes 59,190 2 74,013 2 Employee profit sharing 1,917 - 3,316 - ---------- ---------- 264,342 7 241,411 6 ---------- ---------- Consolidated net loss for the periods (720,297) (20) (625,738) (17) ========== ========= ALLOCATION OF CONSOLIDATED NET LOSS: Majority interest (720,845) (20) (632,526) (17) Minority interest 548 - 6,788 - ---------- ---------- (720,297) (20) (625,738) (17) ========== ========= Average realized copper (cts. pound) 77.95 76.00 Average realized zinc price (cts. pound) 37.64 39.00 Exports 40.74% 49.92% Ratio of EBITDA to interest expense 1.68 1.22 Inflation rate 4.27% 4.94% Devaluation rate (average) 14.43% (1.63%) Earnings per share (0.94) (0.97) Number of shares 769,604,346 659,161,917 MINERA MEXICO, S.A. DE C.V. AND SUBSIDIARIES CONSOLIDATED STATEMENTS OF OPERATIONS FOR THE PERIODS 1st. and 2nd. Quarter, 2003 and 2nd. Quarter 2002 IN THOUSANDS OF MEXICAN PESOS OF PURCHASING POWER OF JUNE 30, 2003 2003 2002 ------------------------------ --------------- QTR. 1 % QTR. 2 % QTR. 2 --------- --------- --------- % NET SALES 1,625,345 100 1,944,493 100 1,778,815 100 COST OF SALES 1,109,062 68 1,480,995 76 1,193,640 67 --------- --------- --------- 516,283 32 463,498 24 585,175 33 OPERATING EXPENSES: Administrative expenses 81,110 5 73,205 4 101,540 6 Depreciation and amortization 467,241 29 466,086 24 439,575 25 --------- --------- --------- OPERATING (LOSS) INCOME (32,068) (3) (75,793) (4) 44,060 3 NET COMPREHENSIVE FINANCING COST: Interest expense, net 140,664 8 (174,778) (9) 69,020 4 Exchange loss (gain), net 129,135 8 (396,250) (20) 398,080 22 Realized income on hedging activities 0 - (1,112) - - - Monetary position (gain) Loss (294,674) (18) 328,784 17 21,014 1 --------- --------- --------- (24,875) (2) (243,356) (13) 488,114 27 OTHER INCOME (EXPENSES), net 587 - 28,279 1 (20,116) (2) --------- --------- --------- (loss) Income before provisions (6,606) 0 195,842 10 (464,170) (26) PROVISIONS FOR: Income taxes 5,321 - 1,201 - 7,766 0 Deferred income taxes 45,250 3 151,464 8 153,907 10 Asset taxes 62,578 4 (3,388) - 39,768 3 Employee profit sharing 1,636 - 281 - 1,645 - --------- --------- --------- 114,785 7 149,558 8 203,086 11 --------- --------- --------- Consolidated net (loss) income for the periods (121,391) (7) 46,284 2 (667,256) (38) ========= ========= ========= ALLOCATION OF CONSOLIDATED NET (LOSS) INCOME: Majority interest (129,094) (7) 52,012 2 (674,935) (38) Minority interest 7,703 - (5,728) - 7,679 - --------- --------- --------- (121,391) (7) 46,284 2 (667,256) (38) ========= ========= ========= Average realized copper price(cts. Pound) 78.08 77.86 78.00 Average realized zinc price (cts. Pound) 37.95 37.31 39.00 Exports 25.83% 52.42% 44.55% *LTM Ratio of EBITDA to interest expense 1.47 1.68 1.22 LTM inflation rate 5.64% 4.27% 4.94% LTM devaluation rate (average) 18.46% 14.43% (1.63%) Earnings per share (0.20) 0.07 (1.04) Number of shares 659,161,917 769,604,346 659,161,917 * Last twelve months MINERA MEXICO, S.A. DE C.V. S A L E S ACCUMULATED AS OF JUNE 30th, 2003 AND 2002 C O N C E P T REAL REAL VARIATION % 2003 2002 V O L U M E GOLD (Kg) 494 530 (36) (7) SILVER (Kg) 231,498 242,476 (10,978) (5) LEAD (TONS) 11,308 14,156 (2,848) (20) COPPER (TONS) 125,950 143,840 (17,890) (12) ZINC (TONS) 43,966 49,362 (5,396) (11) ZINC CONTAINED IN CONCENTRATES (TONS) 8,420 15,907 (7,487) (47) COPPER CONTAINED IN CONCENTRATES (TONS) (11) (2,179) 2,168 (99) THOUSANDS OF MEXICAN PESOS EXPRESSED IN TERM OF THE PURCHASING POWER OF THE MEXICAN CURRENCY AS OF JUNE 30th, 2003 GOLD 2% 59,147 51,916 7,231 14 SILVER 10% 371,299 359,131 12,168 3 LEAD 2% 54,506 65,343 (10,837) (17) COPPER 64% 2,296,387 2,374,712 (78,325) (3) ZINC 11% 387,920 418,297 (30,377) (7) ZINC CONTAINED IN CONCENTRATES 2% 84,057 125,785 (41,728) (33) COPPER CONTAINED IN CONCENTRATES (0%) (16) (31,236) 31,220 (100) OTHERS 9% 316,538 386,581 (70,043) (18) --------- --------- -------- --- T O T A L 100% 3,569,838 3,750,529 (180,691) (5) TOTAL THOUSAND DOLLARS 100% 330,639 375,746 (45,107) (12) % OF CONTRIBUTION PER COMPANY VARIATION IN % OF PARTICIPATION SALES 2003/2002 TOTAL SALES 2003 PESOS DOLLARS PESOS ----- ------- ----- MEXCOBRE (11%) (12%) 58% I.M.M.S.A. (16%) (22%) 26% MEXCANANEA 12% 6% 16% MINERA MEXICO (5%) (12%) 100% MINERA MEXICO, S.A. DE C.V. SALES ACCUMULATED AS OF JUNE 30tht, 2003 AND 2002 EXPRESSED IN TERMS OF THE PURCHASING POWER OF THE MEXICAN CURRENCY AS OF JUNE 30th, 2003 (THOUSAND OF MEXICAN PESOS) C O N C E P T REAL REAL VARIATION % 2003 2002 MINERA MEXICO GOLD 59,147 51,916 7,231 14 SILVER 371,299 359,131 12,168 3 LEAD 54,506 65,343 (10,837) (17) COPPER 2,296,387 2,374,712 (78,325) (3) ZINC 387,920 418,297 (30,377) (7) ZINC CONTAINED IN CONCENTRATES 84,057 125,785 (41,728) (33) COPPER CONTAINED IN CONCENTRATES (16) (31,236) 31,220 (100) OTHERS 316,538 386,581 (70,043) (18) --------- --------- --------- --- T O T A L 3,569,838 3,750,529 (180,691) (5) MEXCOBRE GOLD 36,571 42,408 (5,837) (14) SILVER 132,167 192,693 (60,526) (31) COPPER 2,713 3,340 (627) (19) ELECTROLYTIC CATHODIC COPPER 1,028,445 1,025,808 2,637 0 ELECTROWON CATHODIC COPPER 195,412 112,091 83,321 74 COPPER ROD 562,121 918,430 (356,309) (39) COPPER CONTAINED IN CONCENTRATES 0 (30,964) 30,964 (100) MOLYBDENUM 164,721 128,265 36,456 28 OTHERS 61,546 49,081 12,465 25 --------- --------- ------- --- SUBTOTAL 2,183.696 2,441,152 (257,456) (11) INTERCOMPANY SALES 107,730 165,059 (57,329) (35) --------- --------- --------- --- TOTAL 2,075,966 2,276,093 (200,127) (9) ========= ========= ========= === IMMSA/MIMENOSA(underground mines) GOLD 40,261 32,885 7,376 22 SILVER 305,987 337,106 (31,119) (9) LEAD 54,506 65,343 (10,837) (17) COPPER 159,020 151,128 7,892 5 ZINC 375,503 408,674 (33,171) (8) ZINC CONTAINED IN CONCENTRATES 100,526 125,786 (25,260) (20) COPPER CONTAINED IN CONCENTRATES 29,485 60,660 (31,175) (51) OTHERS 118,965 229,975 (111,010) (48) --------- --------- ------- --- SUBTOTAL 1,184,253 1,411,557 (227,304) (16) INTERCOMPANY SALES 258,118 423,006 (164,888) (39) --------- --------- ------- --- TOTAL 926,135 988,551 (62,416) (6) ========= ========= ======= === MEXCANANEA SILVER 12,782 9,809 2,973 30 COPPER (1,093) 0 (1,093) 100 COPPER CATHODES 572,015 511,696 60,319 12 COPPER CONTAINED IN CONCENTRATES 698,656 621,975 76,681 12 --------- --------- --------- --- SUBTOTAL 1,282,360 1,143,480 138,880 12 INTERCOMPANY SALES 714,623 657,595 57,028 9 --------- --------- --------- --- TOTAL 567,737 485,885 81,852 17 ========= ========= ========= === MINERA MEXICO, S.A. DE C.V. SALES VOLUME ACCUMULATED AS OF JUNE 30th. 2003 AND 2002 (METRIC TONS) C O N C E P T REAL REAL 2003 2002 VARIATION % MINERA MEXICO GOLD (Kg) 494 530 (36) (7) SILVER (Kg) 231,498 242,476 (10,978) (5) LEAD 11,308 14,156 (2,848) (20) COPPER 125,950 143,840 (17,890) (12) ZINC 43,966 49,362 (5,396) (11) ZINC CONTAINED IN CONCENTRATES 8,420 15,907 (7,487) (47) COPPER CONTAINED IN CONCENTRATES (11) (2,179) 2,168 (99) MEXCOBRE GOLD (Kg) 308 445 (137) (31) SILVER (Kg) 82,544 131,699 (49,155) (37) COPPER 157 269 (112) (42) ELECTROLYTIC CATHODIC COPPER 51,689 48,711 2,978 6 ELECTROWON CATHODIC COPPER 10,747 7,060 3,687 52 COPPER ROD 29,374 54,623 (25,249) (46) COPPER CONTAINED IN CONCENTRATES 0 (2,096) 2,096 (100) MOLYBDENUM 1,490 1,708 (218) (13) IMMSA/MIMENOSA GOLD (Kg) 321 344 (23) (7) SILVER (Kg) 191,283 223,905 (32,622) (15) LEAD 11,308 14,156 (2,848) (20) COPPER 8,969 9,106 (137) (2) ZINC 42,831 48,942 (6,111) (12) ZINC CONTAINED IN CONCENTRATES 10,487 15,907 (5,420) (34) COPPER CONTAINED IN CONCENTRATES 1,637 3,876 (2,239) (58) MEXCANANEA SILVER (Kg) 7,978 6,602 1,376 21 COPPER CATHODES 32,451 33,794 (1,343) (4) COPPER CONTAINED IN CONCENTRATES 37,722 37,880 (158) (0) MEXICANA DE COBRE, S.A. DE C.V. COMPARATIVE SUMMARY OF PRODUCTION MINES AND PLANTS ACCUMULATED OF JUNE 30th. 2003 AND 2002 C O N C E P T REAL REAL VARIATION % 2003 2002 M I N E PERFORATION (METERS) 140,573 136,153 4,420 3% ORE (000MT) 11,948 11,326 622 5% ORE GRADE % 0.524 0.530 (0.006) (1%) LEACH ORE (000 MT) 13,912 11,788 2,124 18% ORE GRADE % 0.284 0.255 0.029 11% WASTE (000 MT) 9,253 8,156 1,097 13% STRIPPING RATIO W/(O+L) 0.36 0.35 0.01 3% STRIPPING RATIO (L+W)/O 1.94 1.76 0.18 10% MATERIAL MOVED (000 MT) 35,114 31,270 3,844 12% CONCENTRATOR RECOVERY % 77.32 79.52 (2.20) (3%) CONCENTRADOR CONCENTRATES PRODUCED 181,864 171,916 9,948 6% COPPER CONTAINED RECOVERED 47,910 47,695 215 0% GRADES COPPER IN CONCENTRATES PRODUCED % 26.34 27.74 (1.40) (5%) POUNDS OF COPPER PRODUCED 105,623,337 105,149,321 474,016 0% SILVER CONTAINED IN CONCENTRATES KGS. 26,075 22,601 3,474 15% GOLD CONTAINED IN CONCENTRATES KGS. 83 64 19 30% MOLIBDENUM CONTAINED PRODUCED 1,535 1,663 (128) (8%) SX-EW PLANTS COPPER CATHODES PRODUCED 10,779 8,256 2,523 31% POUNDS OF COPPER PRODUCED 23,762,546 18,201,173 5,561,373 31% SMELTER CONCENTRATES PURCHASED 142,080 185,713 (43,633) (23%) CONCENTRATES SMELTED 318,453 363,812 (45,359) (12%) TOTAL SMELTED 416,597 513,291 (96,694) (19%) COPPER CONTAINED 127,654 155,538 (27,884) (18%) COPPER RECOVERED % 97.50 97.34 0.16 0% PRODUCTION IN MT COPPER ANODES 100,353 122,814 (22,461) (18%) POUNDS OF COPPER PRODUCED 219,343,140 268,456,350 (49,113,210) (18%) SULFURIC ACID PRODUCED (MT) 303,400 396,300 (92,900) (23%) SILVER CONTAINED IN ANODES PRODUCED KGS. 94,976 145,025 (50,049) (35%) GOLD CONTAINED IN ANODES PRODUCED GRS. 401,539 468,638 (67,099) (14%) R E F I N E R Y COPPER CATHODES PRODUCED 81,494 101,420 (19,826) (20%) POUNDS OF COPPER PRODUCED 179,664,389 223,595,772 (43,928,383) (20%) ROD PLANT COPPER ROD PRODUCED 28,898 53,662 (24,764) (46%) POUNDS OF COPPER PRODUCED 63,707,312 118,301,792 (54,594,480) (46%) PRECIOUS METALS PLANT GOLD REFINED Oz. 9,915 14,293 (4,378) (31%) SILVER REFINED Oz. 2,645,820 4,082,711 (1,436,891) (35%) TOTAL CONTAINED COPPER PRODUCED T.M.S TMS 97,389 101,529 (4,140) (4%) INDUSTRIAL MINERA MEXICO/MINERALES METALICOS DEL NORTE SUMMARY OF PRODUCTION OF MINES AND PLANTS ACCUMULATED AS OF JUNE 30th, 2003 AND 2002 (METRIC TONS) C O N C E P T REAL REAL VARIATION % 2003 2002 M I N E S MILLED TONS 2,109,400 2,396,551 (287,151) (12) C O N C E N T R A T E S ZINC 114,814 129,395 (14,581) (11) LEAD 19,956 22,374 (2,418) (11) COPPER 41,008 45,234 (4,226) (9) CONTENS ZINC 62,510 70,612 (8,102) (11) LEAD 10,553 12,563 (2,010) (16) COPPER 9,377 10,217 (840) (8) SILVER (KGS) 164,725 193,979 (29,254) (15) GOLD (KGS) 114.768 129.830 (15.062) (12) P L A N T S SAN LUIS COPPER SMELTER GOLD (KGS) 372 433 (61) (14) SILVER (KGS) 137,069 153,902 (16,833) (11) COPPER BLISTER 11,625 12,315 (690) (6) ARSENIC 872 966 (94) (10) SAN LUIS ZINC REFINERY GOLD (KGS) 3 2 1 50 SILVER (KGS) 6,128 6,205 (77) (1) ZINC REFINED 44,030 47,991 (3,961) (8) SULFURIC ACID 78,392 84,159 (5,767) (7) CADMIUM 322 326 (4) (1) TOLLING GOLD (KGS) 68 66 2 3 SILVER (KGS) 70,192 71,136 (944) (1) LEAD 8,927 8,057 870 11 COAL PLANT COKE 42,390 43,772 (1,382) (3) COAL 233,975 672,468 (438,493) (65) MEXICANA DE CANANEA S.A. D E C.V. COMPARATIVE SUMMARY OF PRODUCTION MINES AND PLANTS ACCUMULATED AS OF JUNE 30th, 2003 AND 2002 C O N C E P T REAL REAL VARIATION % 2003 2002 M I N E PERFORATION (METERS) 252,027 375,624 (123,597) (33%) ORE (000 MT) 8,525 9,688 (1,163) (12%) ORE GRADE % 0.595 0.527 0.068 13% LEACH ORE (000 MT) 14,672 15,204 (532) (3%) ORE GRADE % 0.269 0.235 0.034 14% WASTE (000 MT) 9,355 25,962 (16,607) (64%) STRIPPING RATIO W/(O+L) 0.40 1.04 (0.64) (62%) STRIPPING RATIO (L+W)/O 2.82 4.25 (1.43) (34%) MATERIAL MOVED (000 MT) 32,552 50,854 (18,302) (36%) CONCENTRATOR RECOVERY % 80.01 79.86 0.15 0% CONCENTRATOR CONCENTRATES PRODUCED 137,522 157,572 (20,050) (13%) COPPER CONTAINED RECOVERED 39,561 40,584 (1,023) (3%) GRADES COPPER IN CONCENTRATES PRODUCED % 28.77 25.76 3.01 12% POUNDS OF COPPER PRODUCED 87,216,500 89,472,810 (2,256,310) (3%) SILVER CONTAINED IN CONCENTRATES KGS 12,779 12,517 262 2% GOLD CONTAINED IN CONCENTRATES KGS 119 115 4 3% SX-EW PLANTS COPPER CATHODES PRODUCED 22,820 24,004 (1,184) (5%) POUNDS OF COPPER PRODUCED LBS 50,308,432 52,918,794 (2,610,362) (5%) TOTAL CONTAINED COPPER PRODUCED TMS 61,219 61,883 (664) (1%) INDUSTRIAL MINERA MEXICO / MINERALES METALICOS DEL NORTE COST OF PRODUCTION ACCUMULATED AS OF JUNE 30th, 2003 AND 2002 (US DOLLARS) C O N C E P T REAL REAL 2003 2002 VARIATION % COST PER MT MILLED CHARCAS 13.67 16.46 (2.79) (17) SAN MARTIN 15.50 15.39 0.11 1 TAXCO 27.95 24.34 3.61 15 SANTA BARBARA 17.93 16.63 1.30 8 AVERAGE COST 16.82 17.03 (0.21) (1) TOTAL PRODUCTION COST-MINES (000) 36,480 41,823 (5,343) (13) COST PER MT PROCESSED SAN LUIS COBRE (BLISTER) 603.68 607.27 (3.59) (1) SAN LUIS ELECTROLITIC (Zn) 451.98 369.90 82.08) 22 NUEVA ROSITA (COKE)* 112.13 95.75 16.38 17 TOTAL PRODUCTION COST-PLANTS (000) 33,349 36,465 (3,116) (9) TOTAL PRODUCTION COST-IMM (000) 69,829 78,288 (8,459) (11) *COST PER MT OF PRODUCED COKE MINERA MEXICO, S.A. DE C.V. METALS INVENTORY JUNE 30th JUNE 30th VARIATION 2003 2002 % GOLD (KG) CONCENTRATE 64 69 (7) IN PROCESS 435 344 26 FINISHED 20 15 33 TOTAL 519 428 21 SILVER (KG) CONCENTRATE 21,019 42,740 (51) IN PROCESS 214,078 240,339 (11) FINISHED 8,971 5,954 51 TOTAL 244,068 289,033 (16) LEAD (TON) CONCENTRATE 460 2,819 (84) IN PROCESS 16,430 13,516 22 FINISHED 9 9 0 TOTAL 16,899 16,344 3 COPPER (TON) CONCENTRATE 11,951 7,106 68 IN PROCESS 30,267 25,305 20 FINISHED 2,962 10,890 (73) TOTAL 45,180 43,301 4 ZINC (TON) CONCENTRATE 11,946 10,587 13 IN PROCESS 12,489 7,256 72 FINISHED 4,975 6,427 (23) TOTAL 29,410 24,270 21 TOTAL GROUP (THOUSANDS OF MEXICAN PESOS) 1,062,332 1,101,289 (4) MEXICANA DE COBRE / MEXICANA DE CANANEA COMPARATIVE SUMMARY OF PRODUCTION COST ACCUMULATED AS OF JUNE 30th. 2003 AN 2002 U S D O L L A R S REAL REAL 2003 2002 VARIATION % MINE-CONCENTRATOR COST PER MT MINED 0.55 0.49 0.06 12% COST PER MT MILLED 4.27 3.33 0.94 28% TOTAL PRODUCTION COST (000) 50,497 37,673 12,824 34% SX-EW PLANTS COST PER MT OF CATHODES PRODUCED 459.75 408.18 51.57 13% TOTAL PRODUCTION COST (000) 4,956 3,370 1,586 47% S M E L T E R COST PER MT OF ANODES PRODUCED 255.46 209.83 45.63 22% TOTAL PRODUCTION COST (000) 25,636 25,771 (135) (1%) R E F I N E R Y COST PER MT OF ANODES PRODUCED 101.11 54.68 46.43 85% TOTAL PRODUCTION COST (000) 8,240 5,545 2,695 49% ROD PLANT COST PER MT OF ROD PRODUCED 84.04 55.61 28.43 51% TOTAL PRODUCTION COST (000) 2,428 2,984 (556) (19%) PRECIOUS METALS PLANT COST PER MT OF SLIMES PROCESSED 3,310.93 2,889.99 420.94 15% TOTAL PRODUCTION COST (000) 1,442 1,791 (349) (19%) TOTAL PRODUCTION COST (000) 93,199 77,134 16,065 21% US CENTS PER POUND OF Cu PRODUCED MINE CONCENTRATOR 47.8 35.9 11.9 33% SX-EW PLANTS 20.9 18.5 2.4 13% SMELTER 11.7 9.6 2.1 22% REFINERY 4.6 2.5 2.1 84% ROD PLANT 3.8 2.5 1.3 52% U S D O L L A R S REAL REAL 2003 2002 VARIATION % MEXICANA DE CANANEA MINE CONCENTRATOR COST PER MT MINED 0.81 0.68 0.13 19% COST PER MT MILLED 4.64 3.79 0.85 22% TOTAL PRODUCTION COST (000) 38,639 36,091 2,548 7% 639 SX-EW PLANTS COST PER MT OF CATHODES PRODUCED 537.34 430.57 106.77 25% TOTAL PRODUCTION COST (000) 12,262 10,335 1,927 19% TOTAL PRODUCTION COST (000) 50,901 46,426 4,475 10% US CENTS PER POUND OF Cu PRODUCED MINE CONCENTRATOR 44.3 40.8 3.5 9% SX-EW PLANTS 24.4 19.5 4.9 25%