<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>ex24guerrerodiazm.txt
<TEXT>
POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that the undersigned Vice
President, Finance and Chief Financial Officer 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 January 8, 2008.


/s/ Genaro Guerrero Diaz Mercado
34045
</TEXT>
</DOCUMENT>
