**Exhibit 99.5****Certification of Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of2002**I, H. Eric Peitz, certify that:1. I have reviewed this annual report on Form 40-F of Peru Copper Inc. (the “Company”); 2. Based on my knowledge, this report does not contain any untruestatement of a material fact or omit to state a material factnecessary to make the statements made, in light of the circumstancesunder which such statements were made, not misleading with respect tothe period covered by this report; 3. Based on my knowledge, the financial statements, and other financialinformation included in this report, fairly present in all materialrespects the financial condition, results of operations and cash flowsof the Company as of, and for, the periods presented in this report; 4. The Company’s other certifying officer and I are responsible forestablishing and maintaining disclosure controls and procedures (asdefined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internalcontrol over financial reporting (as defined in Exchange Act Rules13a-15(f) and 15d-15(f)) for the Company and have: (a) Designed such disclosure controls and procedures, or caused such disclosurecontrols and procedures to be designed under our supervision, to ensure thatmaterial information relating to the Company, including its consolidatedsubsidiaries, is made known to us by others within those entities, particularlyduring the period in which this report is being prepared;  (b) Designed such internal control over financial reporting, or caused suchinternal control over financial reporting to be designed under our supervision,to provide reasonable assurance regarding the reliability of financialreporting and the preparation of financial statements for external purposes inaccordance with generally accepted accounting principles;  (c) Evaluated the effectiveness of the Company’s disclosure controls andprocedures and presented in this report our conclusions about the effectivenessof the disclosure controls and procedures, as of the end of the period coveredby this report based on such evaluation; and  (d) Disclosed in this report any change in the Company’s internal control overfinancial reporting that occurred during the period covered by the annualreport that has materially affected, or is reasonably likely to materiallyaffect, the Company’s internal control over financial reporting.5. The Company’s other certifying officer(s) and I have disclosed, basedon our most recent evaluation of internal control over financialreporting, to the Company’s auditors and the audit committee of theCompany’s board of directors (or persons performing the equivalentfunctions): (a) All significant deficiencies and material weaknesses in the design oroperation of internal control over financial reporting which are reasonablylikely to adversely affect the Company’s ability to record, process, summarizeand report financial information; and  (b) Any fraud, whether or not material, that involves management or otheremployees who have a significant role in the Company’s internal control overfinancial reporting.Date: March 30, 2007   /s/ H. Eric Peitz    H. Eric Peitz  Chief Financial Officer