Annual Report 2007 - Antofagasta plc

Basis of audit opinionWe conducted our audit in accordance withInternational Standards on Auditing (UK and Ireland)issued by the Auditing Practices Board. An auditincludes examination, on a test basis, of evidencerelevant to the amounts and disclosures in the Groupfinancial statements and the part of the RemunerationReport to be audited. It also includes an assessmentof the significant estimates and judgments made bythe directors in the preparation of the Group financialstatements, and of whether the accounting policies areappropriate to the Group’s circumstances, consistentlyapplied and adequately disclosed.We planned and performed our audit so as to obtain allthe information and explanations which we considerednecessary in order to provide us with sufficientevidence to give reasonable assurance that the Groupfinancial statements and the part of the RemunerationReport to be audited are free from materialmisstatement, whether caused by fraud or otherirregularity or error. In forming our opinion we alsoevaluated the overall adequacy of the presentation ofinformation in the Group financial statements and thepart of the Remuneration Report to be audited.Separate opinion in relation to IFRSAs explained in Note 1 to the Group financialstatements, the Group in addition to complying withits legal obligation to comply with IFRS as adopted bythe European Union, has also complied with IFRS asissued by the International Accounting StandardsBoard.In our opinion the Group financial statements give atrue and fair view, in accordance with IFRS, of thestate of the Group’s affairs as at 31 December 2007and of its profit for the year then ended.Deloitte & Touche LLPChartered Accountants and Registered AuditorsLondon10 March 2008OpinionIn our opinion:• the Group financial statements give a true and fairview, in accordance with IFRS as adopted by theEuropean Union, of the state of the Group’s affairsas at 31 December 2007 and of its profit for theyear then ended;• the Group financial statements have been properlyprepared in accordance with the Companies Act1985 and Article 4 of the IAS Regulation;• the part of the Remuneration Report described ashaving been audited has been properly preparedin accordance with the Companies Act 1985; and• the information given in the Directors’ Report isconsistent with the Group financial statements.Antofagasta plc Annual Report and Financial Statements 2007 77