In all cases, corporate bonds were placed at par value and interests are paid quarterly starting from the date of issue. The Company has the option to redeem all or part of the issue ac- cording to the following chart. Par QUOTATIONS OF CORPORATE BONDS ISSUED BY SOUTHERN PERU Issue  Froml  Amount  Conditions  Requirements  $30.0 million Year 4 $10 million To be determined At least with a 30 day notice $20.0 million Year 4 $10 million To be determined At least with a 30 day notice $73.1 million Any time No minimum Par value plus premium At least with a 10 day notice $25.9 million Any time No minimum Par value plus premium At least with a 10 day notice $25.0 million From month 18 No minimum At least with a 10 day notice $25.0 million From month 18 No minimum At least with a 10 day notice  Mnemonic  Period  Open  Close  Low High  Average PCU1BC11  200401  PCU1BC11  200402  97.50  97.50   97.50  97.50   97.50 PCU1BC11  200403  111.18  111.18  111.18 111.18  111.18 PCU1BC11  200404  PCU1BC11  200405  PCU1BC11  200406  PCU1BC11  200407  PCU1BC11  200408  PCU1BC11  200409  PCU1BC11  200410  PCU1BC11  200411  PCU1BC11  200412  Mnemonic  Period  Open  Close  Low High  Average PCU1BC12  200401  PCU1BC12  200402  PCU1BC12  200403  112.18  112.36   112.18  112.36   112.24 PCU1BC12  200404  PCU1BC12  200405  PCU1BC12  200406  PCU1BC12  200407  PCU1BC12  200408  PCU1BC12  200409 107.03   107.03   107.03  107.03  107.03 PCU1BC12  200410  PCU1BC12  200411  PCU1BC12  200412   Mnemonic  Period  Open  Close  Low High  Average PCU1BC21  200401  PCU1BC21  200402  PCU1BC21  200403  101.00  101.00  101.00  101.00  101.00 PCU1BC21  200404  PCU1BC21  200405  PCU1BC21  200406  PCU1BC21  200407  PCU1BC21  200408  PCU1BC21  200409  PCU1BC21  200410  PCU1BC21  200411  PCU1BC21  200412 44. SOUTHERN PERU COPPER CORPORATION 45. SOUTHERN PERU COPPER CORPORATION