0001193125-12-463440 Sample Contracts

Southern Copper Corporation as Issuer and Wells Fargo Bank, National Association, as Trustee THIRD SUPPLEMENTAL INDENTURE Dated as of November 8, 2012 to INDENTURE Dated as of April 16, 2010 3.500% Notes due 2022

Third Supplemental Indenture • November 9th, 2012 • Southern Copper Corp/ • Metal mining • New York

• Contract Type
  Third Supplemental Indenture
• Filed
  November 9th, 2012
• Company
  Southern Copper Corp/
• Industry
  Metal mining
• Jurisdiction
  New York

THIRD SUPPLEMENTAL INDENTURE, dated as of November 8, 2012 (this “Third Supplemental Indenture”), between Southern Copper Corporation, a corporation duly organized and existing under the laws of the State of Delaware (the “Company”), and Wells Fargo Bank, National Association, a national banking association, as trustee (the “Trustee”).

Southern Copper Corporation as Issuer and Wells Fargo Bank, National Association, as Trustee FOURTH SUPPLEMENTAL INDENTURE Dated as of November 8, 2012 to INDENTURE Dated as of April 16, 2010 5.250% Notes due 2042

Fourth Supplemental Indenture • November 9th, 2012 • Southern Copper Corp/ • Metal mining • New York

• Contract Type
  Fourth Supplemental Indenture
• Filed
  November 9th, 2012
• Company
  Southern Copper Corp/
• Industry
  Metal mining
• Jurisdiction
  New York

FOURTH SUPPLEMENTAL INDENTURE, dated as of November 8, 2012 (this “Fourth Supplemental Indenture”), between Southern Copper Corporation, a corporation duly organized and existing under the laws of the State of Delaware (the “Company”), and Wells Fargo Bank, National Association, a national banking association, as trustee (the “Trustee”).