Australian Mining TechnologyDelegation to Brazil

15 – 20th April 2012

What do we do?

Specialist Mine Planning Consultants

– Scheduling Experts

– Study and Project Management

– Technical Reports

– Due Diligence

– Cost Modelling

– Equipment Assessment

Orelogy History2005 – Back Room Office

2012 – Bluenote Building, 162 Colin Street West Perth WA 6005

DELIVERING HIGH VALUE,

PRACTICAL SCHEDULES

Focus on

hitting targets

consistently

Maximise value and…

Why

develop?

2008….

2010….

Evolution ofVersion Main Features

Mar

-10

Jun

-10

Sep

-10

Dec

-10

Mar

-11

Jun

-11

Sep

-11

Dec

-11

Mar

-12

EVORELUTION 1.0

Launch

First evolutionary based

scheduling system

v1.4 Multi Mine

v1.5Dynamic Equipment

Modeller

v1.6 Variable COG Modelling

v1.7 Multi Mill, Stage Grouping

EVORELUTION v2

LaunchDynamic Blend Objective

No free lunch!

Case Study

Holistic

Scheduling

And

Product

Consistency

Starting Point

Starting Point

Results

00

01

02

03

04

05

06

07

08

Mt

Year

Combined Pits - Tonnages & Sources

N2

N1

C3

C2

C1

S3

S2

S1

Results

55.00

56.00

57.00

58.00

59.00

1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral

Fe %

Combined Pits - Fe%

Fe Fe Upper Target Fe Lower Target Fe Upper Orange Fe Lower Orange

Results

002

003

003

003

003

004

004

004

004

005

1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral

Al 2

O3

%

Combined Pits - Al2O3 %

Al2O3 Target Upper Al2O3 Target Lower Al2O3 Al Upper Orange Al Lower Orange

Results

004

004

005

005

006

006

007

007

008

1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral

SiO

2 %

Combined Pits - SiO2 %

SiO2 Target Upper G Si Target Lower G Si SiO2 Upper Orang SiO2 Lower Orange

Results

000

000

000

000

000

000

000

000

1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral 1905ral

Ph

os

%

Combined Pits - P%

Phos Target Upper G Phos Target Lower G Phos Phos Upper Orange Phos Lower Orange

Business Benefits

Informed Decision making

Risk Management

Planning Visibility – Population based approach

– Eliminate silos

– No isolated decisions

– Delivering detail – consistent product

– Schedule repeatability, auditability

Business Sustainability– Friendly UI

– Easy-to-learn

– No costly customisation

– Consistency across sites

Improved

value

DELIVERING HIGH VALUE,

PRACTICAL SCHEDULES

THANK YOU