Investor Presentation April 2012

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Disclaimer Presentation of general background This document contains general background information about the activities of Allmine Group Limited (“Allmine”) currently as at the date of this presentation. It is information in summary form only and does not contain all the information necessary to fully evaluate any transaction or investment. It should be read in conjunction with Allmine’s other periodic and continuous disclosure announcements to the ASX available at www.asx.com.au. Not an offer and not investment advice This presentation does not constitute an offer, invitation or recommendation to subscribe for or purchase any securities and neither this presentation nor anything contained in it shall form the basis of any contract or commitment. In particular, this presentation does not constitute an offer to sell, or a solicitation of an offer to buy, securities in the United States or to, or for the account or benefit of, any “US person” (as defined in Regulation S under the Securities Act of 1933, as amended (the “Securities Act”)) (“US Person”), or in any other jurisdiction in which such an offer would be illegal. This document may not be distributed or released in the United States or to, for the account or benefit of, any US person. Future performance This presentation may contain forward-looking statements. The words “anticipate”, “believe”, “expect”, “project”, “estimate”, “likely”, “intend”, “should”, “could”, “may”, “target”, “plan” and other similar expressions are intended to identify forward-looking statements. Indications of, and guidance on, future earnings and financial position and performance are also forward-looking statements. Such forward-looking statements are not guarantees of future performance and involve known and unknown risks, uncertainties and other factors, many of which are beyond the control of Allmine and its officers, employees, agents or associates, which may cause actual results to differ materially from those expressed or implied in such statements. There can be no assurance that actual outcomes will not differ materially from these statements. Readers are cautioned not to place undue reliance on forward-looking statements. Subject to any continuing obligations under applicable law or relevant ASX listing rules, Allmine disclaims any obligation or undertaking to provide any updates or revisions to any forward-looking statements in this presentation to reflect any change in expectations in relation to any forward-looking statements or any change in events, conditions or circumstances on which such statements is based.

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About Allmine Group • Allmine Group Limited (“Allmine”) is an ASX listed mining

services company (ASX:AZG) that operates three divisions:

i. Engineering

ii. Construction

iii. Fixed & mobile plant maintenance

• The Allmine Group strategy is to provide a “life of mine” service proposition and is focused on mine owners, mine operators and their subcontractors. The Group’s customer base is principally mineral resource companies

• Allmine has a blue chip client base including BHP Billiton, Rio Tinto, China Metallurgical Group Corporation (“MCC”) and China Non-Ferrous Metal Industry’s Foreign Engineering Construction Co. Ltd (“NFC”) F

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Allmine » Market & Financial Overview Share Price Performance (Since IPO) Capital Structure

Key Shareholders

Key Financials & Market Multiples

Earnings ($m) FY11A FY12F

Revenue 22.4 150.0 EBITDA 0.2 26.0 EBIT (0.6) 24.8 PBT 2.8 n/a NPAT 3.6 16.5

Revenue Growth 568.3% EBIT Margin 16.5%

NPAT Margin 11%

Price ($) Volume (m)

Source: Bloomberg, IRESS & Company filings Notes: 1 As at 31 December 2011

0.0

2.0

4.0

6.0

8.0

10.0

12.0

0.00

0.05

0.10

0.15

0.20

0.25

0.30

Feb-11 May-11 Aug-11 Nov-11 Feb-12

As at 19 April (undiluted) Current Share Price A$ 0.21 No. of Shares Outstanding (fully diluted 325m + Arccon earnout)

m 276

Market Capitalisation A$m 58.0 Cash

1 A$m 2.4 Debt

1 A$m 10.5

Net Debt A$m 8.1 Enterprise Value A$m 66.1

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17%

13% 12% 11%

10% 9% 9% 9% 9% 8%

5% 5%

-4%

19.6x 17.2x

14.1x 13.1x 12.9x 12.2x 11.8x 11.3x 10.8x 10.3x

8.2x 7.1x

3.4x

13.0x 11.9x

9.1x 8.8x 8.2x 8.0x 7.7x 6.8x 6.4x 6.2x 5.9x

2.6x

-6.6x

Attractive Key Metrics Versus Peer Group (2012E) EV / EBIT (FY12F) Price / Earnings (FY12F)

EBIT Margin (FY12F) EBIT (FY12F)

Average 6.8x

Average 8.5%

Average 11.7x

Average $43.4m

Source: Bloomberg (Consensus Estimates)

$72.0m

$57.7m $57.4m $57.1m

$36.6m $35.3m $29.3m

$25.0m $20.2m

$15.4m $9.3m

-$13.7m

$163m

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Directors John Darling » Chairman

• Chairman multiple Resource and Industrial company boards • Qualified solicitor, former partner at Freehills • Chairman of Darling Group

Scott Walkem » CEO, Managing Director – Allmine Group • Founder of Allmine Maintenance in (2007). IPO Allmine Maintenance in Jan 2011 • Successfully integrated seven businesses since 2007 • Prior 15 years’ investment banking and corporate experience

Robert Wilde » Executive Director – Allmine Group and Arccon • Founder and former Managing Director of Minproc, a successful mining process design and construction group • Joint founder of Arccon • 40 years’ construction and mining industry experience – managed projects with combined value of $2.5bn

Kit Foo Chye » Non-Executive Director – Allmine Group • Qualified accountant • Has managed a significant number of initial public offerings and secondary market capital raisings • 15 years’ experience in management and administration

Andrew Howard » Non-Executive Director • Strong financial engineering background • Has traded for Australian Bank, TransCity, Schroders Australia Limited, Natwest and IBJ Bank. • Has established and managed complex, multi-currency bank balance sheets

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Management Team

John McCowan » Technical Director • Founder and former Technical Director of Minproc • Joint founder of Arccon • 45 years’ construction and mining industry experience • Completed 130 Gold Projects over this period

Mike Franklin » General Manager - Arccon • Joined Arccon as a management consultant in 2005 • Appointed CFO and Company Secretary in 2007 • Mike previously worked under Robert Wilde at Minproc as the Financial Controller

Troy Millen » Managing Director - CIA • Joint founder of CIA • 22 years’ construction industry experience • Has recently been Project Director for the construction of Mineral Processing Plants

Paul Kreppold » General Manager - Arccon Mining Services • Previously the Chief Engineer for the FAST Joint Venture

Alan Wigmore » General Manager - Allmine Maintenance • Previously the Service Manager for WA and NT at Coates Hire • Joined Allmine in 2010 as NW/WA Regional Manager

Ivan Gojak » General Manager, Civil Construction - CIA • Joint founder of CIA • 25 years’ construction industry experience • Extensive experience on high-rise buildings, bridges and major civil works

Bernard Landro » Estimating Manager – Arccon / CIA • Previously the Chief Estimator for Monadelphous • Over 30 years’ experience in various roles in the power generation, oil and gas and mining industries

Paul McCallum » General Manager, Structural Mechanical Piping • Previously the Contracts Coordinator for ATIVO

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MAINTENANCE SERVICES • Maintenance / repair of

mobile and fixed plant • Aftermarket parts for

earthmoving machinery • 100 FTE

Operational Overview » The Allmine Group

ARCCON SERVICES • EPC / EPCM contracting • Design & feasibility

studies • Alliance agreements with

MCC & NFC • 70 FTE incl. 50 engineers

CIA SERVICES • Civil & concrete

construction • Structural, mechanical

and piping construction • >300 FTE plus sub- contractors

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Group Strategy » The Mine Life Cycle The Mine Lifecycle

• Positioned to service mines throughout their life cycle

• Links EPC through to maintenance of fixed and mobile plant

Group Strategy

• Asset light and low fixed costs

• High ROCE

Mining Construction

Feasibility Production &

Maintenance

Mine Expansion

or Greenfield Development

Design & Construct

(EPC / EPCM)

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Revenue: 2011 and 2012 Targets

AUD million 2011 Actual

(include Arccon FY) 1 H 2012

(6 months) 2012

Forecast

Revenue 30 63 150

EBITDA 5 8 26

EBIT 4 7 25

Financial Costs 1 1 1

Net Profit After Income Tax 4 5 16.5

2012 Forecast • $16m NPAT Guidance (as per June 2011 EGM) remains. This includes

• Contracted/ annuity earnings from the construction & maintenance businesses : $13m NPAT; plus

• Incremental NPAT in the range of $0-8m depending on the award and timing of commencement of contracts currently being negotiated.

• Incremental NPAT earnings going forward from Allmine project portfolio – next slide

7

3 15

2012 EBIT Division Forecast A$m

Maintenance Services

Arccon Services

CIA Services

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Allmine’s Project Portfolio Arccon and CIA’s project portfolio spanning construction, EPCM and EPC is building…

Sino Magnetite Project

DRC Kipoi Copper

Project

Mongolia Golden Hills Gold Project

Philippines Medusa Mining

Co-O Gold Project

Greenland Ironbark Zinc

Citroen Project

PNG Marengo Mining Yandera

Copper Project

Fortescue Solomon Project

Poseidon Nickel Project

Minmetals Resources

Dugald River Project For

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Arccon and CIA order book Contract

• Poseidon Nickel

• Ironbark Zinc

• Sino Magnetite

• Golden Hills (Mongolia)

• Kipoi Copper (DRC)

• Medusa Gold Philippines

• FMG/ UGL

• Minmetals Resources Ltd

• Marengo

Project

• Windarra Nickel Project EPC

• Citronen Project EPC

• Sino Iron Project MCC Cost +

• Gold Project Mongolia Cost +

• Stage 2 DFS EPCM

• EPCM 4MT plant

• Solomon Power Station EPCM and pipeline

• Dugald River Project

• Yandera Copper Moly Project EPCM

Project Value

• $90m

• $400m

• $70m ++

• $45m

• $400m

• $50m +

• $45m

• $157m

• $2bn

Duration

• 60 weeks

• 24 months

• Ongoing

• 12 months

• 12 months

• 36 months

• 12 months

• 6 months

• 36 months For

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Managing Growth » The Balance Sheet

Existing:

• Significant balance sheet items consist of general working capital, operating plant & equipment (generally asset financed) and goodwill.

• Debt includes general working capital and asset finance facilities

A$ 000s June 2011 Actuals December 2011 Actuals 2012 Forecast

Cash 3 ,886 2 ,474 17 , 136

Receivables 25 ,805 30,796 26 ,7 14

Inventory 1 1 ,22 4 1 1 ,7 1 4 8 ,728

Fixed Assets 5 ,333 4 ,896 5 ,640

Intangibles 33 ,23 2 38 , 103 36 ,662

Other 4 ,992 4 ,053 1 , 155

TOTAL ASSETS 84 ,475 92,039 96,038

Debt 1 1 ,886 10 ,54 5 14 ,681

Payables 23 ,20 7 19 ,028 14 ,887

Other 8 ,055 8 ,032 7 ,214

TOTAL LIABILITIES 43, 149 37,606 36,782

NET ASSETS 41 ,32 5 54 ,433 59,255

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Key Risks • Project Execution • Contract/ client specific risk – i.e. Sino. Large part of revenue currently

from small number of clients • Industry risk: Cyclicality of resource sector • Current capital availability limits ability to win multiple significant

contracts hampering company growth Key Opportunities

• Experienced and well credentialed team with very attractive contracts and pipeline

• Expansion into strong end markets. Significant underlying growth in capital expenditure in Western Australia coupled with an increasing trend for outsourcing to service companies

• “Right place / right time” • CIA and Maintenance regular business underpins very significant Arccon

earnings upside

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Appendix: Arccon / NFC Contracts under Alliance Agreement

Contract Description Status Contract Value

Poseidon Nickel Limited (market cap $35m)

A MOU has been signed between NFC, Poseidon Nickel and Arccon for the financing, construction and development of a 700ktpa nickel sulphide concentrator and a 1.5 mtpa gold tailings treatment plant for its Mt Windarra nickel project. Arccon will act as the local design and installation engineer.

Under MOU Expected Start ~Q2 2012

~US$90m

Ironbark Zinc Limited (market cap $75m)

A MOU has been signed between NFC, Arccon and Ironbark for the financing, construction and development of Ironbark’s 11b pound zinc and lead project known as Citronen in Greenland.

Under MOU Expected Start ~Q1 2013

~US$300m - 400m

Marengo Mining Limited (market cap $245m)

A MOU has been signed between NFC, Arccon and Marengo Mining for the financing, construction and development of the Yandera Copper-Molybdenum-Gold Project in Madang Province, Papua New Guinea. The project will produce 300,000tpa of copper concentrate, 6500 tonnes of molybdenum concentrate and 40,000oz of gold per annum for 20 years.

Under MOU Expected Start ~Q2 2013

~US$2b For

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Appendix: Arccon / MCC Contracts » Sino Iron Project under Alliance Agreement

Contract Description Status Contract Value

Various Construction Works Various works packages – with ongoing awards monthly payments under the service agreement. In progress ~A$70m

UGL FMG Civil, concrete, structural, mechanical and piping construction services Commenced TBD

Arccon » Other Contracts Contract Description Status Project

Golden Hills Gold Project Mongolia

Design, procurement and some construction management assistance Reimbursable contract

Commenced A$45m

Medusa Gold Project Philippines

Design, procurement and construction management (EPCM) Reimbursable contract

Commenced A$50m

Dugald River Project Minmetals Resources Ltd

Front End engineering and design for this zinc-lead-silver resource located in north-western Queensland

Commenced TBD

Studies and Engineering General design and engineering works Commenced A$21m

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Contact Information

Scott Walkem - Chief Executive Officer Allmine Group Limited 5 Westside Drive, Laverton North VIC 3026 M: 0417 145 787 P: 03 9314 1590 F: 03 9314 5696 www.allminegroup.com

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