Exhibit 13.1

                      Compania de Minas Buenaventura S.A.A.
     Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
                            (18 U.S.C. Section 1350)

      Pursuant to the requirements of Section 906 of the Sarbanes-Oxley Act of
2002 (18 U.S.C. Sections 1350(a) and (b)), the undersigned hereby certifies as
follows:

1.    I am the Chief Executive Officer of Compania de Minas Buenaventura S.A.A.
      (the "Company").

2.    (A) The Company's Annual Report on Form 20-F for the year ended 2006
      accompanying this Certification, in the form filed with the Securities and
      Exchange Commission (the "Report") fully complies with the requirements of
      Section 13(a) of the United States Securities Exchange Act of 1934 (the
      "Exchange Act"); and

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

Dated: June 27, 2007


                                        /S/ ROQUE BENAVIDES GANOZA
                                        ----------------------------------------
                                        Roque Benavides Ganoza
                                        Chief Executive Officer