SCCO

SEC source: 0000905148-03-002533 · efc3-1051_ex.xml · nonDerivative · entry 7

GRUPO MEXICO SA DE CV /FI · CIK 0001042701 · 10% owner

GRUPO MINERO MEXICO INTERNACIONAL SA DE CV · CIK 0001251589 · 10% owner

CONTROLADORA MINERA MEXICO SA DE CV · CIK 0001251590 · 10% owner

AMERICAS MINING CORP · CIK 0001251594 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · I

Disclosed balance after: 42,400

F1 · balance_after: The Reporting Person is also the indirect owner of 43,348,949 shares of Class A Common Stock of the

F2 · ownership.nature: These shares are held directly by Infrastructura y Transportes Mexico, S.A. de C.V. ("ITM"). On June 9, 2003, ITM acquired the shares from ASARCO Incoproated ("ASARCO"). ASARCO is a wholly-owned subsidiary of Americas Mining Corpoation ("AMC"). Controladora Minera Mexico, S.A. de C.V. ("Controladora") owns approximately 40% of AMC, and Controladora is a wholly-owned subsidiary of Grupo Minero Mexico Internacional, S.A. de C.V. ("GMMI"). Each of ITM, AMC, GMMI and Controladora are direct or indirect wholly-owned subsidiraries of Grupo Mexico, S.A. de C.V. (the "Reporting Person"). AMC, GMMI and Controladora each disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest therein.

SEC source: 0000905148-03-002533 · efc3-1051_ex.xml · nonDerivative · entry 6

GRUPO MEXICO SA DE CV /FI · CIK 0001042701 · 10% owner

GRUPO MINERO MEXICO INTERNACIONAL SA DE CV · CIK 0001251589 · 10% owner

CONTROLADORA MINERA MEXICO SA DE CV · CIK 0001251590 · 10% owner

AMERICAS MINING CORP · CIK 0001251594 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · I

Disclosed balance after: 48,400

F1 · balance_after: The Reporting Person is also the indirect owner of 43,348,949 shares of Class A Common Stock of the

F2 · ownership.nature: These shares are held directly by Infrastructura y Transportes Mexico, S.A. de C.V. ("ITM"). On June 9, 2003, ITM acquired the shares from ASARCO Incoproated ("ASARCO"). ASARCO is a wholly-owned subsidiary of Americas Mining Corpoation ("AMC"). Controladora Minera Mexico, S.A. de C.V. ("Controladora") owns approximately 40% of AMC, and Controladora is a wholly-owned subsidiary of Grupo Minero Mexico Internacional, S.A. de C.V. ("GMMI"). Each of ITM, AMC, GMMI and Controladora are direct or indirect wholly-owned subsidiraries of Grupo Mexico, S.A. de C.V. (the "Reporting Person"). AMC, GMMI and Controladora each disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest therein.

SEC source: 0000905148-03-002533 · efc3-1051_ex.xml · nonDerivative · entry 5

GRUPO MEXICO SA DE CV /FI · CIK 0001042701 · 10% owner

GRUPO MINERO MEXICO INTERNACIONAL SA DE CV · CIK 0001251589 · 10% owner

CONTROLADORA MINERA MEXICO SA DE CV · CIK 0001251590 · 10% owner

AMERICAS MINING CORP · CIK 0001251594 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · I

Disclosed balance after: 49,500

F1 · balance_after: The Reporting Person is also the indirect owner of 43,348,949 shares of Class A Common Stock of the

F2 · ownership.nature: These shares are held directly by Infrastructura y Transportes Mexico, S.A. de C.V. ("ITM"). On June 9, 2003, ITM acquired the shares from ASARCO Incoproated ("ASARCO"). ASARCO is a wholly-owned subsidiary of Americas Mining Corpoation ("AMC"). Controladora Minera Mexico, S.A. de C.V. ("Controladora") owns approximately 40% of AMC, and Controladora is a wholly-owned subsidiary of Grupo Minero Mexico Internacional, S.A. de C.V. ("GMMI"). Each of ITM, AMC, GMMI and Controladora are direct or indirect wholly-owned subsidiraries of Grupo Mexico, S.A. de C.V. (the "Reporting Person"). AMC, GMMI and Controladora each disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest therein.

SEC source: 0000905148-03-002533 · efc3-1051_ex.xml · nonDerivative · entry 4

GRUPO MEXICO SA DE CV /FI · CIK 0001042701 · 10% owner

GRUPO MINERO MEXICO INTERNACIONAL SA DE CV · CIK 0001251589 · 10% owner

CONTROLADORA MINERA MEXICO SA DE CV · CIK 0001251590 · 10% owner

AMERICAS MINING CORP · CIK 0001251594 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · I

Disclosed balance after: 53,300

F1 · balance_after: The Reporting Person is also the indirect owner of 43,348,949 shares of Class A Common Stock of the

F2 · ownership.nature: These shares are held directly by Infrastructura y Transportes Mexico, S.A. de C.V. ("ITM"). On June 9, 2003, ITM acquired the shares from ASARCO Incoproated ("ASARCO"). ASARCO is a wholly-owned subsidiary of Americas Mining Corpoation ("AMC"). Controladora Minera Mexico, S.A. de C.V. ("Controladora") owns approximately 40% of AMC, and Controladora is a wholly-owned subsidiary of Grupo Minero Mexico Internacional, S.A. de C.V. ("GMMI"). Each of ITM, AMC, GMMI and Controladora are direct or indirect wholly-owned subsidiraries of Grupo Mexico, S.A. de C.V. (the "Reporting Person"). AMC, GMMI and Controladora each disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest therein.

SEC source: 0000905148-03-002533 · efc3-1051_ex.xml · nonDerivative · entry 3

GRUPO MEXICO SA DE CV /FI · CIK 0001042701 · 10% owner

GRUPO MINERO MEXICO INTERNACIONAL SA DE CV · CIK 0001251589 · 10% owner

CONTROLADORA MINERA MEXICO SA DE CV · CIK 0001251590 · 10% owner

AMERICAS MINING CORP · CIK 0001251594 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · I

Disclosed balance after: 57,400

F1 · balance_after: The Reporting Person is also the indirect owner of 43,348,949 shares of Class A Common Stock of the

F2 · ownership.nature: These shares are held directly by Infrastructura y Transportes Mexico, S.A. de C.V. ("ITM"). On June 9, 2003, ITM acquired the shares from ASARCO Incoproated ("ASARCO"). ASARCO is a wholly-owned subsidiary of Americas Mining Corpoation ("AMC"). Controladora Minera Mexico, S.A. de C.V. ("Controladora") owns approximately 40% of AMC, and Controladora is a wholly-owned subsidiary of Grupo Minero Mexico Internacional, S.A. de C.V. ("GMMI"). Each of ITM, AMC, GMMI and Controladora are direct or indirect wholly-owned subsidiraries of Grupo Mexico, S.A. de C.V. (the "Reporting Person"). AMC, GMMI and Controladora each disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest therein.

SEC source: 0000905148-03-002533 · efc3-1051_ex.xml · nonDerivative · entry 2

GRUPO MEXICO SA DE CV /FI · CIK 0001042701 · 10% owner

GRUPO MINERO MEXICO INTERNACIONAL SA DE CV · CIK 0001251589 · 10% owner

CONTROLADORA MINERA MEXICO SA DE CV · CIK 0001251590 · 10% owner

AMERICAS MINING CORP · CIK 0001251594 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · I

Disclosed balance after: 61,400

F1 · balance_after: The Reporting Person is also the indirect owner of 43,348,949 shares of Class A Common Stock of the

F2 · ownership.nature: These shares are held directly by Infrastructura y Transportes Mexico, S.A. de C.V. ("ITM"). On June 9, 2003, ITM acquired the shares from ASARCO Incoproated ("ASARCO"). ASARCO is a wholly-owned subsidiary of Americas Mining Corpoation ("AMC"). Controladora Minera Mexico, S.A. de C.V. ("Controladora") owns approximately 40% of AMC, and Controladora is a wholly-owned subsidiary of Grupo Minero Mexico Internacional, S.A. de C.V. ("GMMI"). Each of ITM, AMC, GMMI and Controladora are direct or indirect wholly-owned subsidiraries of Grupo Mexico, S.A. de C.V. (the "Reporting Person"). AMC, GMMI and Controladora each disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest therein.

SEC source: 0000905148-03-002533 · efc3-1051_ex.xml · nonDerivative · entry 1

GRUPO MEXICO SA DE CV /FI · CIK 0001042701 · 10% owner

GRUPO MINERO MEXICO INTERNACIONAL SA DE CV · CIK 0001251589 · 10% owner

CONTROLADORA MINERA MEXICO SA DE CV · CIK 0001251590 · 10% owner

AMERICAS MINING CORP · CIK 0001251594 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · I

Disclosed balance after: 65,900

F1 · balance_after: The Reporting Person is also the indirect owner of 43,348,949 shares of Class A Common Stock of the

F2 · ownership.nature: These shares are held directly by Infrastructura y Transportes Mexico, S.A. de C.V. ("ITM"). On June 9, 2003, ITM acquired the shares from ASARCO Incoproated ("ASARCO"). ASARCO is a wholly-owned subsidiary of Americas Mining Corpoation ("AMC"). Controladora Minera Mexico, S.A. de C.V. ("Controladora") owns approximately 40% of AMC, and Controladora is a wholly-owned subsidiary of Grupo Minero Mexico Internacional, S.A. de C.V. ("GMMI"). Each of ITM, AMC, GMMI and Controladora are direct or indirect wholly-owned subsidiraries of Grupo Mexico, S.A. de C.V. (the "Reporting Person"). AMC, GMMI and Controladora each disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest therein.

SEC source: 0000905148-03-002511 · efc3-1045_ex.xml · nonDerivative · entry 7

GRUPO MEXICO SA DE CV /FI · CIK 0001042701 · 10% owner

GRUPO MINERO MEXICO INTERNACIONAL SA DE CV · CIK 0001251589 · 10% owner

CONTROLADORA MINERA MEXICO SA DE CV · CIK 0001251590 · 10% owner

AMERICAS MINING CORP · CIK 0001251594 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · I

Disclosed balance after: 68,900

F1 · balance_after: The Reporting Person is also the indirect owner of 43,348,949 shares of Class A Common Stock of the

F2 · ownership.nature: These shares are held directly by Infrastructura y Transportes Mexico, S.A. de C.V. ("ITM"). On June 9, 2003, ITM acquired the shares from ASARCO Incoproated ("ASARCO"). ASARCO is a wholly-owned subsidiary of Americas Mining Corpoation ("AMC"). Controladora Minera Mexico, S.A. de C.V. ("Controladora") owns approximately 40% of AMC, and Controladora is a wholly-owned subsidiary of Grupo Minero Mexico Internacional, S.A. de C.V. ("GMMI"). Each of ITM, AMC, GMMI and Controladora are direct or indirect wholly-owned subsidiraries of Grupo Mexico, S.A. de C.V. (the "Reporting Person"). AMC, GMMI and Controladora each disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest therein.

SEC source: 0000905148-03-002511 · efc3-1045_ex.xml · nonDerivative · entry 6

GRUPO MEXICO SA DE CV /FI · CIK 0001042701 · 10% owner

GRUPO MINERO MEXICO INTERNACIONAL SA DE CV · CIK 0001251589 · 10% owner

CONTROLADORA MINERA MEXICO SA DE CV · CIK 0001251590 · 10% owner

AMERICAS MINING CORP · CIK 0001251594 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · I

Disclosed balance after: 69,300

F1 · balance_after: The Reporting Person is also the indirect owner of 43,348,949 shares of Class A Common Stock of the

F2 · ownership.nature: These shares are held directly by Infrastructura y Transportes Mexico, S.A. de C.V. ("ITM"). On June 9, 2003, ITM acquired the shares from ASARCO Incoproated ("ASARCO"). ASARCO is a wholly-owned subsidiary of Americas Mining Corpoation ("AMC"). Controladora Minera Mexico, S.A. de C.V. ("Controladora") owns approximately 40% of AMC, and Controladora is a wholly-owned subsidiary of Grupo Minero Mexico Internacional, S.A. de C.V. ("GMMI"). Each of ITM, AMC, GMMI and Controladora are direct or indirect wholly-owned subsidiraries of Grupo Mexico, S.A. de C.V. (the "Reporting Person"). AMC, GMMI and Controladora each disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest therein.

SEC source: 0000905148-03-002511 · efc3-1045_ex.xml · nonDerivative · entry 5

GRUPO MEXICO SA DE CV /FI · CIK 0001042701 · 10% owner

GRUPO MINERO MEXICO INTERNACIONAL SA DE CV · CIK 0001251589 · 10% owner

CONTROLADORA MINERA MEXICO SA DE CV · CIK 0001251590 · 10% owner

AMERICAS MINING CORP · CIK 0001251594 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · I

Disclosed balance after: 69,400

F1 · balance_after: The Reporting Person is also the indirect owner of 43,348,949 shares of Class A Common Stock of the

F2 · ownership.nature: These shares are held directly by Infrastructura y Transportes Mexico, S.A. de C.V. ("ITM"). On June 9, 2003, ITM acquired the shares from ASARCO Incoproated ("ASARCO"). ASARCO is a wholly-owned subsidiary of Americas Mining Corpoation ("AMC"). Controladora Minera Mexico, S.A. de C.V. ("Controladora") owns approximately 40% of AMC, and Controladora is a wholly-owned subsidiary of Grupo Minero Mexico Internacional, S.A. de C.V. ("GMMI"). Each of ITM, AMC, GMMI and Controladora are direct or indirect wholly-owned subsidiraries of Grupo Mexico, S.A. de C.V. (the "Reporting Person"). AMC, GMMI and Controladora each disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest therein.

SEC source: 0000905148-03-002511 · efc3-1045_ex.xml · nonDerivative · entry 4

GRUPO MEXICO SA DE CV /FI · CIK 0001042701 · 10% owner

GRUPO MINERO MEXICO INTERNACIONAL SA DE CV · CIK 0001251589 · 10% owner

CONTROLADORA MINERA MEXICO SA DE CV · CIK 0001251590 · 10% owner

AMERICAS MINING CORP · CIK 0001251594 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · I

Disclosed balance after: 69,800

F1 · balance_after: The Reporting Person is also the indirect owner of 43,348,949 shares of Class A Common Stock of the

F2 · ownership.nature: These shares are held directly by Infrastructura y Transportes Mexico, S.A. de C.V. ("ITM"). On June 9, 2003, ITM acquired the shares from ASARCO Incoproated ("ASARCO"). ASARCO is a wholly-owned subsidiary of Americas Mining Corpoation ("AMC"). Controladora Minera Mexico, S.A. de C.V. ("Controladora") owns approximately 40% of AMC, and Controladora is a wholly-owned subsidiary of Grupo Minero Mexico Internacional, S.A. de C.V. ("GMMI"). Each of ITM, AMC, GMMI and Controladora are direct or indirect wholly-owned subsidiraries of Grupo Mexico, S.A. de C.V. (the "Reporting Person"). AMC, GMMI and Controladora each disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest therein.

SEC source: 0000905148-03-002511 · efc3-1045_ex.xml · nonDerivative · entry 3

GRUPO MEXICO SA DE CV /FI · CIK 0001042701 · 10% owner

GRUPO MINERO MEXICO INTERNACIONAL SA DE CV · CIK 0001251589 · 10% owner

CONTROLADORA MINERA MEXICO SA DE CV · CIK 0001251590 · 10% owner

AMERICAS MINING CORP · CIK 0001251594 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · I

Disclosed balance after: 70,600

F1 · balance_after: The Reporting Person is also the indirect owner of 43,348,949 shares of Class A Common Stock of the

F2 · ownership.nature: These shares are held directly by Infrastructura y Transportes Mexico, S.A. de C.V. ("ITM"). On June 9, 2003, ITM acquired the shares from ASARCO Incoproated ("ASARCO"). ASARCO is a wholly-owned subsidiary of Americas Mining Corpoation ("AMC"). Controladora Minera Mexico, S.A. de C.V. ("Controladora") owns approximately 40% of AMC, and Controladora is a wholly-owned subsidiary of Grupo Minero Mexico Internacional, S.A. de C.V. ("GMMI"). Each of ITM, AMC, GMMI and Controladora are direct or indirect wholly-owned subsidiraries of Grupo Mexico, S.A. de C.V. (the "Reporting Person"). AMC, GMMI and Controladora each disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest therein.

SEC source: 0000905148-03-002511 · efc3-1045_ex.xml · nonDerivative · entry 2

GRUPO MEXICO SA DE CV /FI · CIK 0001042701 · 10% owner

GRUPO MINERO MEXICO INTERNACIONAL SA DE CV · CIK 0001251589 · 10% owner

CONTROLADORA MINERA MEXICO SA DE CV · CIK 0001251590 · 10% owner

AMERICAS MINING CORP · CIK 0001251594 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · I

Disclosed balance after: 74,600

F1 · balance_after: The Reporting Person is also the indirect owner of 43,348,949 shares of Class A Common Stock of the

F2 · ownership.nature: These shares are held directly by Infrastructura y Transportes Mexico, S.A. de C.V. ("ITM"). On June 9, 2003, ITM acquired the shares from ASARCO Incoproated ("ASARCO"). ASARCO is a wholly-owned subsidiary of Americas Mining Corpoation ("AMC"). Controladora Minera Mexico, S.A. de C.V. ("Controladora") owns approximately 40% of AMC, and Controladora is a wholly-owned subsidiary of Grupo Minero Mexico Internacional, S.A. de C.V. ("GMMI"). Each of ITM, AMC, GMMI and Controladora are direct or indirect wholly-owned subsidiraries of Grupo Mexico, S.A. de C.V. (the "Reporting Person"). AMC, GMMI and Controladora each disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest therein.

SEC source: 0000905148-03-002511 · efc3-1045_ex.xml · nonDerivative · entry 1

GRUPO MEXICO SA DE CV /FI · CIK 0001042701 · 10% owner

GRUPO MINERO MEXICO INTERNACIONAL SA DE CV · CIK 0001251589 · 10% owner

CONTROLADORA MINERA MEXICO SA DE CV · CIK 0001251590 · 10% owner

AMERICAS MINING CORP · CIK 0001251594 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · I

Disclosed balance after: 75,300

F1 · balance_after: The Reporting Person is also the indirect owner of 43,348,949 shares of Class A Common Stock of the

F2 · ownership.nature: These shares are held directly by Infrastructura y Transportes Mexico, S.A. de C.V. ("ITM"). On June 9, 2003, ITM acquired the shares from ASARCO Incoproated ("ASARCO"). ASARCO is a wholly-owned subsidiary of Americas Mining Corpoation ("AMC"). Controladora Minera Mexico, S.A. de C.V. ("Controladora") owns approximately 40% of AMC, and Controladora is a wholly-owned subsidiary of Grupo Minero Mexico Internacional, S.A. de C.V. ("GMMI"). Each of ITM, AMC, GMMI and Controladora are direct or indirect wholly-owned subsidiraries of Grupo Mexico, S.A. de C.V. (the "Reporting Person"). AMC, GMMI and Controladora each disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest therein.

SEC source: 0001104659-03-014068 · j2760_4.xml · derivative · entry 1

CLARO JAIME · CIK 0001223262 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,417

Underlying: Common Stock · 390 shares

Expires 1988-08-08

F1 · security: Represent credits pursuant to the Deferred Fee Plan for Directors-Exempt under Section 16b-3(d). Directors do not select the date of the acquisition in this Rule 10 b5-1 transaction. Directors' accounts under the plan are payable in cash following the deferral period in amount of fair market value of Common Stock Equivalent account at time of payment. Acquisition of Common Stock Equivalents reported pursuant to Rule 16a-3 (g) (2) - (4) based on statement of Plan Administrator received on July 2, 2003.

F2 · derivative.exercise_price: N/A

F3 · price: N/A. Common Stock Equivalents were accrued on various dates at prices ranging from $15.36 to $15.73.

F2 · derivative.exercise_date: N/A

F2 · derivative.expiration_date: N/A

SEC source: 0000905148-03-002490 · efc3-1025_ex.xml · nonDerivative · entry 2

GRUPO MEXICO SA DE CV /FI · CIK 0001042701 · 10% owner

GRUPO MINERO MEXICO INTERNACIONAL SA DE CV · CIK 0001251589 · 10% owner

CONTROLADORA MINERA MEXICO SA DE CV · CIK 0001251590 · 10% owner

AMERICAS MINING CORP · CIK 0001251594 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · I

Disclosed balance after: 94,800

F1 · balance_after: The Reporting Person is also the indirect owner of 43,348,949 shares of Class A Common Stock of the

F2 · ownership.nature: These shares are held directly by Infrastructura y Transportes Mexico, S.A. de C.V. ("ITM"). On June 9, 2003, ITM acquired the shares from ASARCO Incoproated ("ASARCO"). ASARCO is a wholly-owned subsidiary of Americas Mining Corpoation ("AMC"). Controladora Minera Mexico, S.A. de C.V. ("Controladora") owns approximately 40% of AMC, and Controladora is a wholly-owned subsidiary of Grupo Minero Mexico Internacional, S.A. de C.V. ("GMMI"). Each of ITM, AMC, GMMI and Controladora are direct or indirect wholly-owned subsidiraries of Grupo Mexico, S.A. de C.V. (the "Reporting Person"). AMC, GMMI and Controladora each disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest therein.

SEC source: 0000905148-03-002490 · efc3-1025_ex.xml · nonDerivative · entry 1

GRUPO MEXICO SA DE CV /FI · CIK 0001042701 · 10% owner

GRUPO MINERO MEXICO INTERNACIONAL SA DE CV · CIK 0001251589 · 10% owner

CONTROLADORA MINERA MEXICO SA DE CV · CIK 0001251590 · 10% owner

AMERICAS MINING CORP · CIK 0001251594 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · I

Disclosed balance after: 95,100

F1 · balance_after: The Reporting Person is also the indirect owner of 43,348,949 shares of Class A Common Stock of the

F2 · ownership.nature: These shares are held directly by Infrastructura y Transportes Mexico, S.A. de C.V. ("ITM"). On June 9, 2003, ITM acquired the shares from ASARCO Incoproated ("ASARCO"). ASARCO is a wholly-owned subsidiary of Americas Mining Corpoation ("AMC"). Controladora Minera Mexico, S.A. de C.V. ("Controladora") owns approximately 40% of AMC, and Controladora is a wholly-owned subsidiary of Grupo Minero Mexico Internacional, S.A. de C.V. ("GMMI"). Each of ITM, AMC, GMMI and Controladora are direct or indirect wholly-owned subsidiraries of Grupo Mexico, S.A. de C.V. (the "Reporting Person"). AMC, GMMI and Controladora each disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest therein.

SEC source: 0001104659-03-011628 · j1683_4.xml · nonDerivative · entry 1

VELASCO GERMAN LARREA MOTA · CIK 0001223260 · Director · Chairman of the Board and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,000

F1 · kind: Received pursuant to Issuer's Directors' Stock Award Plan for services as a director - exempt transaction under Rule 16b-3(d).

F2 · price: N/A

SEC source: 0001104659-03-011629 · j1684_4.xml · nonDerivative · entry 1

CIFUENTES GILBERTO PEREZALONSO · CIK 0001223261 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 600

F1 · kind: Received pursuant to Issuer's Directors' Stock Award Plan for services as director - exempt transaction under Rule 16b-3(d)

F2 · price: N/A

SEC source: 0001104659-03-011630 · j1685_4.xml · nonDerivative · entry 1

DE QUEVEDO HECTOR GARCIA · CIK 0001223258 · Director · Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 800

F1 · kind: Received pursuant to Issuer's Directors' Stock Award Plan for services as a director - exempt transaction under Rule 16b-3(d).

F2 · price: N/A

SEC source: 0001104659-03-011631 · j1686_4.xml · nonDerivative · entry 1

CLARO JAIME · CIK 0001223262 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,600

F1 · kind: Received pursuant to Issuer's Directors' Stock Award Plan for services as a director - exempt transaction under Rule 16b-3(d).

F2 · price: N/A

SEC source: 0001104659-03-011632 · j1687_4.xml · nonDerivative · entry 1

TOPETE XAVIER GARCIA DE QUEVEDO · CIK 0001223264 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,000

F1 · kind: Received pursuant to Issuer's Directors' Stock Award Plan for services as a director - exempt transaction under Rule 16b-3(d).

F2 · price: N/A

SEC source: 0001209191-03-006240 · bpx67914_bpx1.xml · nonDerivative · entry 1

PERU RAMIRO G · CIK 0001192045 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 600

F1 · security: Received pursuant to Issuer's Directors' Stock Award Plan for services as a director, and exempt under Rule 16b-3(d).

F2 · price: N/A

SEC source: 0001209191-03-006243 · bpx67914_bpx2.xml · nonDerivative · entry 1

WHISLER J STEVEN · CIK 0001192050 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 800

F1 · security: Received pursuant to Issuer's Directors' Stock Award Plan for services as a director, and exempt under Rule 16b-3(d).

F2 · price: N/A

SEC source: 0001179110-07-003032 · edgar.xml · nonDerivative · entry 1

ROCHA OSCAR GONZALEZ · CIK 0001223263 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 200

F1 · shares: Received pursuant to Issuer's Directors' Stock Award Plan for service as a director - exempt transaction under Rule 16b-3(d). These shares were sold on 11/18/03 and reported on a Form 5 filed on 2/12/04.

F2 · price: N/A

SEC source: 0001209191-03-012041 · bpx67914_bpx5pdocc3.xml · nonDerivative · entry 1

PHELPS DODGE OVERSEAS CAPITAL CORP · CIK 0001005756 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: Not disclosed

F1 · security: Phelps Dodge Overseas Capital Corporation, a wholly owned subsidiary of Phelps Dodge Corporation, holds 16.9% of Class A Common Stock of Southern Peru Copper Corporation (PCU).