Steve BurgessExecutive General Manager Operations Excellence

Mine Water

Challenges or Opportunity

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Who We Are

▪ Established in 1989. Listed on ASX in 1994

▪ Operator of five NSW mines (plus two in care and maintenance), producing approximately 15 million tonnes annually and employing over 1,400 people

▪ Major focus on OHS and environmental performance

▪ Fuelling approximately 40% of the State’s coal fired electricity

▪ 65% production to domestic customers (Mt Piper, Eraring and Vales Point)

▪ 35% production exported (customers include power stations and industry in predominately Japan, Korea, Taiwan)

▪ November 2010 - became a wholly owned subsidiary of Banpu Public Company Limited, Asia’s largest independent energy group

Banpu’s Coal Business MONGOLIA

▪ Tsant Uul: coal-to-chemicals pilot plant, commercial pre-feasibility and market study

▪ Unst Khudag and Altai Nuurs: feasibility work continues

CHINA▪ Gaohe: LW mine – 10 mtpa

▪ Hebi: LW mine – 1.2 mtpa

INDONESIA▪ ITM:

‒ Indominco --16 mtpa‒ Trubiaindo – 6mtpa‒ Bharinto – 2.5mtpa‒ Kitadin – Embalut – 1mtpa‒ Jarong – 1mtpa

AUSTRALIA▪ Centennial:

‒ Airly – 0.8mtpa‒ Clarence – 3mtpa‒ Mandalong – 6mtpa‒ Myuna – 1.5mtpa‒ Springvale – 4.5mtpa

Hebi (40%)

AUSTRALIA

INDONESIA

CHINA

Hunnu (100%)

MONGOLIA

ITM (67%)

Centennial (100%)

Gaohe (45%)

Co

al B

us

ine

ss

Project

Operation

Banpu’s Power Business

CHINA

▪Luannan (100MW), Zhending (73MW,

Zouping (100MW)

▪Shanxi Lu Guang : 1,320MW 35%

complete USC COD 1H18

▪China solar : 90MWAC

JAPAN

▪Japan Solar: secured 54MWAC equity, of

which 46.5MWAC is under development; Hino

3.5MWAC commenced operation; Awaji under

construction; Nari Aizu received financing

LAOS

▪Hongsa: 1,875MW - all three units in

operation since Feb 2016; 100% power

dispatch

THAILAND

▪BLCP: 1,434MW - operating at 100%

commercial availability

CHINA

Hongsa1,878 MW

LAOS

BLCP1,434MW

SLG

(COD 2018)

1,320 MW

THAILAND

JAPAN

Nari Aizu

(COD 2018)

20 MWAC

Hino

3.5 MWAC

Awaji

(COD 2017)

8.4 MWAC Olympia

10MWAC

Mukawa

(COD 2018)

17 MWAC

Luannan100 MW

Zhengding

73 MW

Zouping100 MW

CO

AL a

nd S

OLA

RSO

LA

RC

OA

L

Developing coal fired

Operational coal-fired

Operational solar

Developing solar

Yabuki

(COD 2018)

7 MWAC

Onami

(COD 2018)

16 MWAC

CO

AL

Centennial’s Operations

Charbon

History of Mine Water Use

• Clarence and Lithgow (over 2 decades of mutually beneficial relationship)

• Springvale and the power stations (friends during drought)

Springvale Overview• Underground Longwall Mine up to 5.5MTpa,

• Commenced 1994, mine life 2024, 400 people

• 30 ML / day

Springvale’s 2015 Consent Renewal• Exhaustive determination process in 2015

• Key issues – swamps, water

Springvale Life of Mine Water Make

• CSIRO groundwater model for Life of Mine plans

• Holistic solution required

• Beneficial reuse for industry will reduce water take from Coxs / Fish Rivers

Springvale Consent Conditions

• Commitment to improve the quality of discharge water with emphasis on salinity reduction

• Need to achieve 500 µS/cm EC (90%ile)

• Beyond compliance - the beneficial reuse of the water at the Mt Piper Power Station in conjunction with Energy Australia

CEY’s and EA’s Water Treatment Project

More in the Pipeline• Regis Resources Heads of Agreement

Update for You in 2019

• Innovation - through design

• Integrity – delivering beyond consent

• Care - mine water to beneficial re-use

• Synergy – mining, power generation, community.