E48 Cave Extension at Northparkes

10 May 2016

Linda Snyman, Sarah Webster, Jogi Samosir

CMOC’s portfolio

High quality and diversified asset portfolio with strong leverage to China and emerging economies

(1) Actual 2015 First Half

Beijing

Sydney

Sandaozhuang (100%)

Molybdenum /

Tungsten

Shangfanggou (55%)

Molybdenum / Iron

East Gobi Project (65%)

Molybdenum

Northparkes (80%)

Copper / gold

Henan Province

Xinjiang

CHINA Moly Roaster & FeMo

plants

Phoenix, AZ, USA

Overseas HQ

Shanghai Regional

Office

Sydney Regional Office

Luoyang City HQ

BRAZIL

AUSTRALIA

Nióbio Brasil Limitada

& Fosfatos Brasil

Limitada (100%)

Niobium and

Phosphates –

Transaction to be

completed in 2nd half

2016

Where is Northparkes?

Great Australian Basin

Murray Basin

South Australia

Victoria

New South Wales

Elura

CSA

Peak

Woodlawn

Wonominta Block

Lake Cowal

Gidginbung

Ballarat

Bendigo

Broken Hill

Sydney

Melbourne

Canberra

OrdovicianVolcanics

200 km0

LachlanOrogen

Cadia

Peak Hill

Mt Boppy

Hill EndNorthparkes

Captain's Flat

Currawong

Overview of Northparkes

• Joint venture – China Molybdenum Company (CMOC)(80%) and Sumitomo Group (20%)

• ~350 employees

• Copper and gold producer

• Commenced mining in 1994

• First block cave mine in Australia

• 1,630 ha of mine lease within 5,670 ha of agricultural land

• Current Life of Mine is 2042

E48

E26

E27

E22

Aerial view

Section view 5

80

m

84

0m

A view of E48 extraction level access

Auto loader operator in SCADA

E48 isometric view – reserves outside cave volume

Plan view of E48 Level

North extension – El Teniente layout

Drives designed with auto loaders in mind

Adamtech mapping example

Adamtech mapping example

General ground support

Extraction drive cable bolts

El Teniente layout cables Herringbone layout cables

Bullnose reinforcement

One Pass Stiff Split Set ™

Blast monitoring

Breakthrough to existing cave

Caved material from

existing E48 cave

Dry fines inrush

Cuttable mesh

Drawpoint steel sets

Shotcrete arches for brows

On-going convergence monitoring

Convergence monitoring during undercutting process

Convergence monitoring in the future

Test run

Questions