MINCOR RESOURCES NL ACN 072 745 692 ABN 42 072 745 692

Website: www.mincor.com.au

PO Box 1810, West Perth, WA 6872 AUSTRALIA Level 1, 1 Havelock Street, West Perth, WA 6005 AUSTRALIA Tel: (08) 9321 7125 Fax: (08) 9321 8994

ASX RELEASE

12 February 2007 Company Announcements Office Australian Stock Exchange Limited 4th Floor, 20 Bridge Street SYDNEY NSW 2000 Dear Sir/Madam MANAGING DIRECTOR’S PRESENTATION – AMEC INVESTING IN MINING

STOCKS

Please see attached Managing Director’s presentation at the AMEC Investor Briefing Series – Investing in Mining Stocks, Perth. Yours sincerely MINCOR RESOURCES NL

DAVID MOORE Managing Director

“AN UN-MATCHED GROWTH PROFILE IN NICKEL”

“Investing in Mining Stocks”Association of Mining and Exploration Companies

February 2007

MINCOR RESOURCES NL - OVERVIEWMINCOR RESOURCES NL - OVERVIEW

• Kambalda nickel mining company• Four operating nickel mines• Successfully producing nickel since 2001:

– Ore production to Dec ’06: 2.38 Mt @ 3.3% Ni– Nickel metal to Dec ’06: 78,550 tonnes

• Current net cash: $82 million• No debt • Outstanding pipeline of growth projects• Our people: An exceptional team with a proven

track record

REVENUES, PROFITS AND SHAREHOLDER WEALTHREVENUES, PROFITS AND SHAREHOLDER WEALTH

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REVENUES AND NET PROFIT AFTER TAX

Cumulative Profits to June 2006: $81.25 millionTotal Dividends to June 2006: $21.2 million

GROWTH IN SHAREHOLDER WEALTH

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Pre-mining attributable Ore Reserve: 25,400 tonnes nickel metalJune ‘06 mined and un-mined Ore Reserve: 105,000 tonnes nickel metalIncrease in total Ore Reserves to June ‘06: > 300%

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Mincor’s pre-mining (2001) attributable Mineral Resource was 50,600 tonnes of nickel metal. By June 2006 Mincor had produced 60,000 tonnes of nickel metal and still had a further 76,000 tonnes of nickel metal in Mineral Resources

FINANCIAL HIGHLIGHTS 2006FINANCIAL HIGHLIGHTS 2006

• Record production: up 35% to 13,500t nickel in concentrate

• Record headline profits: up 45% to $29.3 million

• Record underlying EBITDA: up 35% to $63 million

• Record full-year dividend: up 67% to 5 cps

HIGHLIGHTS DECEMBER HALF 2006/7 HIGHLIGHTS DECEMBER HALF 2006/7 • Strong production from all nickel operations

• 6,888 tonnes nickel in concentrate for half-year (Dec Half ’05/6: 6,754 tonnes)

• $80 million Operating Surplus (Dec Half ’05/6: $28.26 million) (before tax, o/heads, exploration, capital)

• Development commences on new South Miitel ore body

• Exploration discovery at Carnilya Hill – feasibility studies underway

• Exploration discovery below Mariners Mine – drilling underway

• Acquisition of McMahon/Durkin Project – major new nickel production and exploration centre

• Joint Venture at RAV 8 – major new brownfields nickel exploration opportunity

• Exploration drilling on gold, tungsten and zinc targets

GROWTH & EXPANSION STRATEGYGROWTH & EXPANSION STRATEGY

Grow Mincor’s Successful Kambalda Nickel Business

Goal 1: 15,000 t Ni in ore per annum to 2013Goal 2: Lift production to 20,000 tpa by 2010

Expand Mincor’s Exposure to the Wider Minerals Industry

Goal 1: new commodity cashflow by 2010Goal 2: second new commodity c/flow by 2013

In Parallel

• June 06 Reserves:– 45,000 t Nickel metal

• June 06 Resources:– 76,000 t Nickel metal

• Growth Projects:– Carnilya Hill Project– McMahon Project– Durkin Project– Mariners 09 Discovery– Rav 8 Project– Near-mine targets– Kambalda Regional

GROWING THE NICKEL BUSINESS

GROWING THE NICKEL BUSINESS

GROWING THE NICKEL BUSINESSGROWING THE NICKEL BUSINESS

• Very active nickel exploration programme

• $12 million exploration budget for 2006/7

• Outstanding exploration team

• Three feasibility-level nickel projects

• Four resource-level/brownfields nickel projects

• Numerous earlier-stage exploration projects

• Targeting three new nickel mines within 18 months

• Un-matched growth profile in nickel

PIPELINE OF GROWTH PROJECTSPIPELINE OF GROWTH PROJECTS

South MiitelProject

Carnilya Hill ProjectMcMahon Project

Durkin Project

Mariners N09 Discovery

Rav 8 ProjectNear-Mine Exploration: North and South Miitel

Mariners, Redross, Wannaway

Widgie Regional ExplorationCarnilya Regional Exploration

Kambalda Dome Regional ExplorationWest Kambalda Regional Exploration

4 operating

mines

Operating MinesProduction

Construction underway

Feasibility Studies underway

New discovery – drill-out underway

BrownfieldsExploration

GreenfieldsExploration

GROWING THE NICKEL BUSINESSGROWING THE NICKEL BUSINESS• CARNILYA HILL PROJECT (Mincor 70%)

– First resource estimate by end-March 2007– Feasibility studies underway– Target development decision on new mine by end-June 2007

• McMAHON & DURKIN PROJECTS (Mincor 100%)– Acquisition settlement by end-March– Immediate exploration and feasibility work: 28,830 t Ni resource– Target development decision on two new mines within 6-18

months

• MARINERS “N09” DISCOVERY (Mincor 100%)– Potential new ore body discovered below Mariners Mine– Target completion of resource drill-out before end-June 2007

• RAV 8 EXPLORATION PROJECT (Mincor earning 80%)– Deal completed early February– Past production 460,000 tonnes @ 3.46% nickel– Target 500,000 tonnes @ 3.5% nickel directly down-plunge

GROWING THE NICKEL BUSINESSGROWING THE NICKEL BUSINESS• NEAR-MINE EXPLORATION (Mincor 100%)

– North Miitel channel structure open to north – drilling underway– South Miitel channel structure open to south – drilling planned– Mariners “Upper Targets” and “N10” target– Redross down-plunge targets – drilling underway– Wannaway down-plunge targets – drill planning underway

• WIDGIEMOOLTHA REGIONAL EXPLORATION (Mincor 100%)– 45 kilometres of fertile basal contact present– Exploration drilling underway

• CARNILYA HILL REGIONAL EXPLORATION (Mincor 70%)– Extensive strike of fertile basal contact present– Regional programme planned using modern geophysical and

geological concepts

• WEST KAMBALDA PROJECT (Mincor earning 70%)– Prospective greenfields package south of Nepean Nickel Mine– Drill target generation underway

CARNILYA HILL JOINT VENTURECARNILYA HILL JOINT VENTURE

CARNILYA HILL LONG SECTIONCARNILYA HILL LONG SECTION

• Past production: 1.4 million tonnes @ 3.36% Ni (from 1979 onwards)

• High-grade and high-tenor nickel sulphide system

• Mincor commenced drilling April 2006 – immediate success

• Final drill-out and feasibility studies now underway

• Existing underground development and mine infrastructure

CARNILYA HILL LONG SECTIONCARNILYA HILL LONG SECTIONIdealised Carnilya Long Section

McMAHON-DURKIN PROJECTMcMAHON-DURKIN PROJECT

• $30m transaction u/way

• Heart of richly-endowed Kambalda Dome

• 28,830 tonnes nickel resource already identified

• Extensive existing surface and u/ginfrastructure

• Existing offtakeagreement with BHP Billiton

• Early potential for two new mines – McMahon and Durkin Deeps

McMAHON-DURKIN PROJECTMcMAHON-DURKIN PROJECT

• Major new production and exploration centre for Mincor

• Exploration & feasibility work to commence immediately on McMahon and Durkin

• Nickel in Resources: – McMahon: 10,320t – Ken North: 5,350t– Durkin: 13,160t

• Outstanding exploration potential down-plunge of ore bodies with past production of 153,000 tonnes of nickel metal

MARINERS ‘N09’ DISCOVERYMARINERS ‘N09’ DISCOVERY

RAV 8 NICKEL PROJECTRAV 8 NICKEL PROJECT

• Subscription and earn-in agreement with Tectonic Resources NL

• Outstanding brownfields exploration opportunity

Untested area down-plunge of Rav 8 ore body

Image courtesy of Tectonic Resources NL

Past production 460,000t @ 3.46% Ni

RAV 8 NICKEL PROJECTRAV 8 NICKEL PROJECT

Down-plunge potential

460,000t @ 3.46% Ni

?

Past production 460,000 tonnes @ 3.46% Ni for 15,930 tonnes nickel metal

High-grade and high-tenor nickel sulphide system

Ore channel untested beyond 60 metres down-plunge of old workings –immediate, high-quality exploration target

Substantial existing underground and surface infrastructure – low capital cost to re-develop the mine

Existing offtake agreement with BHP Billiton

3D image courtesy of Tectonic Resources NL

EXPANDING IN MINERALSEXPANDING IN MINERALS

TOTTENHAM COPPER PROJECT - NSWTOTTENHAM COPPER PROJECT - NSW• Massive sulphides in shallow dipping

altered sediments & volcanics• Straits drilling (1990’s):

– 20 m @ 2.1% copper– 10 m @ 1.4% copper– 7 m @ 1.5% copper

• Aeromag completed, drill rig mobilising

CAROLINE PROSPECT CROSS SECTIONCAROLINE PROSPECT CROSS SECTION

GASCOYNE TUNGSTEN PROJECTGASCOYNE TUNGSTEN PROJECT

Initial 1,300 metredrilling programmecompleted December 2006. Results awaited.

EXPANDING IN ZINCEXPANDING IN ZINC

• Bonaparte Zinc ProjectWalk up and drill geophysical and geochemical targets in known zinc province

• Georgina Zinc Projectconceptual play targeting discovery of new zinc-lead province

• Tipperary ProjectConceptual target in major Irish zinc-lead province. Drilling underway.

Bonaparte Zinc Project

Georgina Zinc Project

MINCOR RESOURCES NLMINCOR RESOURCES NL• FINANCIALLY STRONG

– $82 million net cash– No debt

• OPERATIONALLY ROBUST– Four operating nickel mines– Proven operational team– Long term operational track record

• UN-MATCHED GROWTH PROSPECTS IN NICKEL– Five significant new nickel projects– Targeting three new nickel mines within 18 months– Track record of successful mine development

• BUCKET LOADS OF BLUE SKY– Exploration drilling on nickel, gold, copper, tungsten, zinc

www.mincor.com.auwww.mincor.com.au