FYI<0.4% ni="" material.="" the="" exploration="" target="" being="" reported="" under="" clause="" 18="" of="" the="" jorc="" code="" is="" based="" on="" assessments="" of="" prospects="" within="" rio="" tinto’s="" 100="" per="" cent="" owned="" tenure="" which="" are="" supported="" by="" drilling,="" geophysics,="" metallurgical="" test-work="" and="" modelling="" undertaken="" over="" the="" last="" year.="" however,="" the="" potential="" quantity="" and="" grade="" is="" conceptual="" in="" nature,="" there="" has="" been="" insufficient="" exploration="" to="" define="" a="" mineral="" resource="" and="" it="" is="" uncertain="" if="" further="" exploration="" will="" result="" in="" definition="" of="" a="" mineral="" resource.="" cp="" statement="" the="" information="" in="" this="" presentation="" that="" relates="" to="" exploration="" results="" is="" based="" on="" information="" compiled="" by="" steven="" coombes="" who="" is="" a="" member="" of="" the="" association="" of="" professional="" engineers="" and="" geoscientists="" of="" british="" columbia,="" a="" jorc="" recognised="" overseas="" professional="" organisation="" (ropo).="" steven="" coombes="" is="" a="" full="" time="" consultant="" for="" rio="" tinto="" and="" has="" sufficient="" experience="" which="" is="" relevant="" to="" the="" style="" of="" mineralisation="" and="" type="" of="" deposit="" under="" consideration="" and="" to="" the="" activity="" which="" he="" is="" undertaking="" to="" qualify="" as="" a="" competent="" person="" as="" defined="" in="" the="" 2004="" edition="" of="" the="" ‘australasian="" code="" for="" reporting="" of="" exploration="" results,="" mineral="" resources="" and="" ore="" reserves’.="" steven="" coombes="" consents="" to="" the="" matters="" based="" on="" his="" information="" in="" the="" form="" and="" context="" in="" which="" it="" appears.r="">