Exhibit 32.2

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of Southern Peru Copper Corporation (the “Company”) on Form 10-K for the period ending December 31, 2003 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I,

Jaime Fernando Collazo González, Vice-President of Finance and Chief Financial Officer, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

	/s/ Jaime Fernando Collazo González
	Jaime Fernando Collazo González
Date: February 25, 2005	Vice-President of Finance and Chief Financial Officer

A signed original of this written statement required by section 906 has been provided to Southern Peru Copper Corporation and will be retained by Southern Peru Copper Corporation and furnished to the Securities and Exchange Commission or its staff upon request.