Sample Points Marked in Blue Letters A – Mill Feed X-Ray Sample B – Pb Tail X-Ray Sample C – Bulk Con X-Ray Sample D – Final Tail X-Ray Sample E – Zn Con X-Ray Sample F – Pb Con X-Ray Sample G – Cu Con X-Ray Sample

Screen Brushy Creek Crushing Circuit Rod Mill Ore from Underground Reclaim Ore Secondary Crusher Fines Chute Vibratory Feeder Oversize Ore Through Crusher Fine Ore (minus 5/8”) Fine Ore (minus 5/8”) To Rod Mill

Grinding Brushy Creek Grinding Circuit Rod Mill Ball Mill Cyclone Feed Sump 4 Cyclones Cyclone Feed Pump Water Discharge Water Density Meter Controls Overflow to Lead Roughers Scale Rod Mill Feed Belt Xanthate Zinc Sulfate Cyanide Discharge to Cyclones Underflow to Ball Mill Secondary Crusher Upper Feed Lead Roughers R.M. Solids 5

Pb Brushy Creek Lead Circuit Cyclone O.F. Tail Feed Tail Feed Roughers 1 st. Cleaner 2 nd. (Final) Cleaner Copper Absorber Zinc Conditioner Froth to 1 st. Clnr. Rougher Tail to Zinc Cond. Froth to 2 nd. Clnr. Tail back to Rougher Froth (Bulk Conc.) To Cu Absorber Tail Upper Feed Tail Lower 1 2 Xanthate – Rod Mill Feed B Zinc Sulfate – Rod Mill Feed Cyanide – Rod Mill Feed D MIBC – Head of Roughers ABC D E C A E Cyanide – 1 st. Cleaner * As Needed *

Zn Brushy Creek Zinc Circuit Zinc Conditioner Lead Rougher Tail Feed Tail Feed Tail 2 nd. Cleaner 1 st. Cleaner Froth to 2 nd. Clnr. Feed Tail 3 rd. (Final) Cleaner Froth to 3 rd. Clnr. 1 2 Feed Tail Roughers Zinc Thickener Froth (Final Conc.) To Zinc Thickener Tail back to Zinc Cond. Froth to 1 st. Clnr. Tail Tailings Pump Feed Final Tail to Tailings Pump Lower Upper 3 Aerofloat – Lead Tail Pump Box B Copper Sulfate – Lead Tail Pump Box MIBC – Lead Tail Pump Box Cyanide – 2 nd. Cleaner Feed E Lime – 1 st. Cleaner Feed F Starch – 3 rd. Cleaner ABCD E F G C D A Xanthate – Lead Tail Pump Box * As Needed * * * G

Cu Brushy Creek Copper Circuit Copper Absorber Lead 2 nd. Cleaner Froth (Bulk Conc.) Feed Tail Roughers Feed Tail Cleaners ( 4 Stages) Copper Thickener Froth (Final Conc.) to Copper Thickener Tail back to Rghr. Lead Thickener Tail (Pb Conc.) To Pb Thickener Feed Froth to Cleaners B MIBC – Rghr. Feed Pump Box Bichromate – 3 rd. Clnr. Launder E SO 2 - Absorber F Starch – 1 st. Clnr. Launder Bichromate – Bulk Conc. Pump Box Starch – Bulk Conc. Pump Box AB C D 432 F 1 E Tail Froth feeds next Stage C A D * * As Needed

Filtering Brushy Creek Filtering Section Zinc Thickener Lead Thickener Copper Thickener Underflow Pump Disc Filter Collector Belt Transfer Belt Lead Concentrate Storage Area Scale Disc Filter Y Valve Flocculant - Thickeners Aerodri – Filters B A AA B Collector Belt Transfer Belt Scale Zinc/Copper Concentrate Storage Area Load Out Area B If Needed