POWER OF ATTORNEY

	KNOW ALL MEN BY THESE PRESENTS, that the undersigned
director of Southern Copper Corporation (the "Company") hereby
constitutes and appoints Armando Ortega Gomez, Fabiola Alvarado,
Hans A. Flury, Luis Echevarria S. S., and Jose N. Chirinos  and as
his/her true and lawful attorneys-in-fact and agents, and each of
them with full power to act without the other as his true and
lawful attorney-in-fact and agent, for him and in his name, place
and stead, to sign any and all Form ID, Forms 3, 4 and 5 which are
deemed appropriate and in his best interests and which are to be
filed with the Securities and Exchange Commission, Washington,
D.C. 20549, under the provisions of the Securities Exchange Act of
1934, as amended, and with the New York Stock Exchange, and to
sign any amendments to any such Forms, hereby granting unto said
attorneys-in-fact and agents, and each of them, full power and
authority to do and perform any and all acts and things requisite
and necessary to be done in and about the premises, as fully as to
all intents and purposes as he might or could do in person, hereby
ratifying and confirming all that said attorneys-in-fact and
agents, or each of them, may lawfully do or cause to be done by
virtue hereof.

	The undersigned acknowledges that the foregoing attorneys-
in-fact, in serving in such capacity at the request of the
undersigned, are not assuming, nor is the Company assuming, any of
the undersigned's responsibilities to comply with Section 16 of
the Securities Exchange Act of 1934.

	This Power of Attorney shall remain in full force and effect
until the undersigned is no longer required to file Forms 3, 4 and
5 with respect to the undersigned's holdings and transactions in
securities issued by the Company, unless earlier revoked by the
undersigned in a signed writing delivered to the foregoing
attorneys-in-fact.

	IN WITNESS WHEREOF, the undersigned has hereunto executed
this power of attorney on May 28, 2008.


					/s/ Daniel Muniz Quintanilla