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Exhibit 10

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,
AS ENACTED PURSUANT TO
SECTION 906 OF THE U.S. SARBANES-OXLEY ACT OF 2002

        HudBay Minerals Inc. (the "Company") is filing with the U.S. Securities and Exchange Commission, on the date hereof, its annual report on Form 40-F for the fiscal year ended December 31, 2005 (the "Report").

        I, Jeffrey A. Swinoga, Vice-President and Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. section 1350, as enacted pursuant to section 906 of the U.S. Sarbanes-Oxley Act of 2002, that, to the best of my knowledge:

a)

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



b)

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

Date: March 21, 2006

/s/  JEFFREY A. SWINOGA Name: Jeffrey A. Swinoga
Title:   Vice-President and Chief Financial Officer

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CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED PURSUANT TO SECTION 906 OF THE U.S. SARBANES-OXLEY ACT OF 2002