25 Non GAA P Mea sure s C ash Op er ati n g C o sts p er Ou n ce C as h op er at i ng c o s t pe r o un c e is a N o n GAAP m e as ur e In t he g old m inin g i ndu s t ry c as h ope r at i ng c o s t pe r oun c e is a c o m m o n p er f o rm a n c e m e a s ure bu t d oe s no t ha v e any s t a nd ardi z e d m ea nin g C a s h o per at i ng c o s t s per o un c e ar e b a s e d on o un c e s s ol d a nd are d eri v e d f ro m am o un t s in c lu de d in t he C on s oli da t ed St a t em en t s of C om pre he nsi v e L o s s I n c om e and i nclu de m in e s i t e ope ra t in g c o s t s s uc h as m ini ng pr oc es s in g and adm ini s t r at i on b ut ex c lu de d ep re c ia t io n depl et i on an d s h are b as ed pa y m e nt e x pen s e s and re c l am a t ion c os t s T he C om p an y dis c los e s c a s h c os t p er ou nc e as it beli ev es t hi s m ea s u re p ro v ide s v alu able a s s i s t a nc e to inv e s t o rs a nd anal y s t s in e v al ua t ing t h e C om p an y s pe rf orm an c e an d a bil it y to g en er at e c a s h f low T hi s m ea s u re s houl d no t be c on s id er ed in is ola t i on or as a s ub s t i t u t e f o r m ea s u re s pre pa re d in ac c o rda nc e w i t h GAAP s uc h as t ot al product ion c os t s A l l In Su sta i n i n g C o sts Ef f ec t i v e t he s e c o nd qu ar t e r 20 13 t he C om pan y h as a do pt ed a t o t al all in s u s t aini ng c o s t A I SC per f o rm a n c e m e a s ure A I SC is a N on GAAP m ea s u re T h e m ea s ure is in t e nde d to a s s i s t re ade r s in ev alua t in g t h e t ot al c os t s of p ro du c ing gol d f r om c ur ren t ope ra t io ns W h ile t her e is no s t a nd ar di z ed m ea nin g ac ro s s t h e in du s t r y f o r t his m ea s u re t h e C o m pa n y s de f ini t ion c on f o rm s to t he A I SC de f ini t ion as s e t o ut by t he W o rl d Gol d C ou ncil in it s gui dan c e n o t e da t ed J u ne 27 2 013 T he C om p an y de f in es all in s u s t a inin g c os t as t h e s um of c a s h c o s t s f r om m in e o per at i on s s u s t ai ning c api t al c a pi t al r eq ui red to m ain t ai n c ur r en t op er at i on s at ex i s t ing l ev els c o rpo ra t e ge ne ra l a nd adm i nis t r a t i v e ex pen s es in m ine e x pl or at i on ex pen s e s and re c lam a t i on c o s t a c c re t io n r ela t e d to c u rre n t op er at i on s All in s u s t aini ng c o s t e x c l ud es gr ow t h c a pit al rec lam at io n c os t ac c ret io n not relat ed to c urrent operatio ns and int eres t and ot her f inanc ing c os t s C ash E ar n i n g s fr o m M i n e Op er ati o n s C as h ea rni ng s f r om op era t i on s a re de t erm in ed by d ed uc t i ng c a s h op er at i ng c os t s f rom r ev en ue s re c o gni z ed in t he period