Resource Estim ate Dec em be r 1 20 11 14 Co mpl ia nt NI 43 10 1 Re sou rce Estimate st ate s 18 52 Mi ll io n T on nes o f In di ca ted Re sourc es 29 59 Magn etite 15 14 Mi ll io n T on nes o f In fer re d Re sourc es 30 38 Magn etite Prel imi na ry eco no mic an d pi t de sig n mod el in g W hi tt le w as pa rt of the Re sou rce Estima te Whittle pi t she ll s op timize d she ll 21 an d max imi zed she ll 26 t on na ge an d reve nu e b ase d on the curren t dri ll in g Sh el l 21 33 76 M mt ab ove cut of f gra de 07 7 strip ratio Sh el l 26 42 26 M mt ab ove cut of f gra de 09 7 strip ratio Ad di tion al reso urce po ten tial ex ists to t he Northw est So uth ea st an d at de pth to be con firmed w ith ad di tion al dri ll in g