28 May 2008 The Manager Company Announcements Australian Securities Exchange Limited 20 Bridge Street Sydney NSW 2000 Dear Sir Company Presentation to Patersons Securities ‘Go West’ Conference on 28 May 2008 Please find attached a presentation delivered today by Austin Engineering to the Patersons Securities ‘Go West’ Conference in Sydney. Whilst the format and content is similar to that provided by the Company at another investment conference in Sydney on 5 May 2008, this latest presentation contains additional information on recent business developments, including:

• $30m of new orders received for our Perth, Brisbane and Mackay operations since late March 2008 • A further $21m of new orders verbally confirmed, awaiting contract documentation • Orders for 76 Westech bodies valued at $30m (included within the $30m of confirmed and $21m of

verbally confirmed orders detailed above), confirming the Company’s success in expanding the Westech product range into the Australian market

• An update on the recently acquired Westech business in the US, which has integrated well and is performing to expectations

• Commentary on the potential for the Company to expand its business in the rapidly-expanding South American mining and resources market.

These developments position the company well for continued growth on a national and international basis. Yours Faithfully

Colin Anderson Chief Financial Officer and Company Secretary

Austin EngineeringPatersons Securities ‘Go West’ Conference

28 May 2008, Sydney

About Austin EngineeringListed on ASX in 2004 at 20c; share price now approx. $2.40National and international designer and manufacturer of mining productsServes global resources sector from manufacturing operations in Brisbane, Perth, Mackay, Wyoming USA and OmanKey market penetration in Australia, North America, Canada, South America, Indonesia and Middle EastEmploys 600-900 people across the businessRecord financial performance in 2006-07; further growth and expansion on an international basis in 2008

World’s largest non-OEM designer and manufacturer of mining dump truck bodies

Austin Engineering – Financial snapshot

Current trading data

Share price $2.40

Shares on issue 46.9m

Market capitalisation $113m

Key 2007 financial data

EBIT $7.31m

Net profit $4.97m

EPS 12.45c

Dividends per share 4c

Payout ratio 25-40%

Board and executive team

Peter Fitch Chairman

Michael Buckland Managing Director

Peter Pursey Non-exec Director

Eugene Fung Non-exec Director

Colin Anderson CFO

Top 5 shareholders

Michael Buckland 5.25%

Thorney Pty Ltd 5.17%

S J Quinlivan Pty Ltd 4.57%

RBC Dexia Investor Services 3.90%

ANZ Nominees Ltd 3.58%

What we makeField-proven across all applicationsOffer operational efficiencies for customersUsed by major operators around the worldQuality products, leading designs and branding

Excavator buckets up to 35m³ capacityDump truck bodies up to 360 tonnes payload capacity

Service vehiclesTyre handlers

Austin’s clients and revenue sources Good quality blue-chip,

supportive clientsClients understand us and we understand themMotivated to work together to growFavourable commercial terms negotiable

Type Client

Miners Rio Tinto, BHP, Xstrata, Macarthur Coal, Anglo Coal, Vale*, Codelco*

OEMs Komatsu, Terex, Liebherr, Hitachi, Hastings Deering

Contractors Leighton, Thiess, Macmahons, Golding Contractors, Downer EDI Mining

Others John Holland, Barclay Mowlem, Aluminium Smelter Operators

*Through licencee relationship in South America

Serving the resources industry with a global presence

Second workshop in Perth, WA opened in Q2 FY 2008, increasing capacity by 65%Robotic techniques employed in Perth and Brisbane workshopsAustin Mackay expansion completed Q2 FY 2008, new $4m workshop up and running

Locations and capabilitiesLocation Area Serviced Products and Services

Austin, Perth Pilbara, Kalgoorlie, Western Australia, Africa, Indonesia

Dump truck bodies, buckets, service vehicles, tyre handler and materials handling equipment manufacture

Austin, Brisbane Central Queensland coal fields, North Queensland metalifferous ranges, NSW coal fields

Dump truck bodies, buckets, service vehicles and structural steel manufacture

Westech, Wyoming USA

Powder River Coal Basin, North America resources regions, Canadian tar sands

Dump truck bodies, buckets, dragline buckets, deadline anchors and mining products manufacture

Austin, Mackay Central Queensland coal fields, Indonesian mines

Dump truck body assembly, repair and overhaul of mining components and assemblies

Oman, Middle East (joint venture)

Middle East Aluminium smelter components

Cainsa, Chile (licencee)

Chile, Brazil resources regions

Dump truck body manufacture

Client confidence demonstrated by repeat ordersReceiving larger series or runs of ordersProven track record of delivering quality productsClient needs always a priority

What our clients want –and what we deliver

Client needsDelivery on time to the highest standards of qualityProduct reliabilityInnovation and custom designsOperational efficiencies through maximum payloadsCompetitive prices, reduced costs

Austin’s solutionsDesign capability and advanced engineering servicesMarket-leading, proven designs - JEC mining product attachments and Westech dump truck bodiesNational and international presence and reachModern workshops with advanced manufacturing robotic processesEmphasis on R&D; more than $1.5m spent since 2004

Building a dump truck body

Robotic welding of floor Assembly of all components

Operating on siteFinished product Delivery to customer

Revenue and NPAT growth secured through higher sector activity and acquisitions

Track record of growth

Improved operational performance secured by increased productivity, automation and higher-margin work

Track record of growth

Improvement in key performance criteria flowing from improved underlying financial performance and business fundamentals

Track record of growth

Strong, positive cash balancesRelatively low ongoing capital expenditure requirementsDebt mostly USD loan to fund Westech purchaseAbility to secure further debt in USDLoan USD-denominated to secure low interest rate and provide natural hedgeWestech debt funding at <4% with opportunity to lock inEBIT/Interest cover >20 at H1 2008Balance sheet capacity to accommodate further acquisitions and growth

Austin’s balance sheet

Dec 07$m

June 07$m

Cash 4.7 6.3

Receivables 18.4 10.2

Inventories 6.8 3.2

Property, plant & equipment 22.7 10.0

Intangible assets 15.7 9.5

Other assets 3.4 1.9

Total assets 71.7 41.1

Payables 18.1 10.6

Interest-bearing liabilities (current) 2.0 6.1

Interest-bearing liabilities (non-current) 23.4 2.7

Current tax liabilities 1.2 1.7

Provisions 2.1 1.4

Net assets/Total equity 24.9 18.6

Operational cashflow benefit from advance progress paymentsHigh emphasis on capital expenditure to expand capacity and improve productivityActive debt reduction programs funded as far as is possible from operational cashflow

Austin’s cashflow

FY 2004

FY 2005

FY 2006

FY 2007

HY 06/07

HY 07/08

Operating cashflow

1.1 2.4 4.5 3.7 (0.7) 6.3

Investing cashflow

(0.2) (14.0) 15.1 (18.5) (6.3) (25.5)

Financing cashflow

1.0 9.9 (7.7) 9.2 (1.0) 17.5

Industry comparisons

Source: ABN AMRO/ABN AMRO Morgans

Outlook - favourable industry conditions

China, India and SE Asian economies to drive demand for commodities and energyWorld steel production to increase 42% and coal trade 25% by 2013 (ABARE) Increased production to lead mine development, brownfields expansion and repair and replace expenditurePeru, Chile, Brazil, Argentina and Mexico leading exploration spending in South America; Canada in North AmericaIron ore leading growth in Western Australia; infrastructure spending to drive growth in Queensland coal

Commodity prices expected to remain firm for medium term; recent coal contracts set at $US300 per tonneBudgeted global mineral exploration expenditure forecast up 25% at $US13.1bn in 2008 (Metals Economics Group)

Firm commodity prices

Spotlight on Canadian Tar Sands

Canada has one of the world’s largest deposits of tar sandsAt least 1.7 trillion barrels in the Athabasca oil sands depositImproved technology emerging to make extraction more economically viableNumber of expansion projects under consideration or underwayWestech well positioned geographically and has the capacity to serve the regionWestech and JEC product range expansion possible in the region

Spotlight on Central Qld Coal Fields

Coal companies positioning themselves for further export growthQld government has reported 28 advanced coal projects in central Queensland, comprising 17 new mines and 11 expansionsEstimated expenditure of $11.5bn on coal projects to 2013$9bn earmarked for coal transport infrastructureDalrymple Bay coal terminal expanded to 65m tonnes annual capacity, plans to expand to 85m tonnes by end of 2008Government to expand Abbot Point coal terminalAustin well positioned to take advantage of demand for manufacture, assembly and repair of Westech, JEC and other products

Spotlight on Western Australia Iron Ore Region

Vast expansion programs underwaySound economic fundamentals, more iron ore producers entering into the marketLong-term outlook being adopted by OEMs, closely following long-term outlook by major minersHigh activity = high levels of demand for new and replacement mining equipmentProduct delivery, reliability and operational efficiency are keycustomer requirements Austin well-positioned to consolidate and expand its position in the region - ability to meet customer requirements well recognised and acknowledged through repeat business

Spotlight on South American Mining Region

Significant expansion in mining activity forecastMajor mines include:Alegria Iron Ore Mine, BrazilAntamina Copper-Zinc Mine, PeruCollahuasi Copper mine, ChileEscondida Copper Mine, ChileVale recently announced US$11bn expansion plans, with total capex of $US59bn for the next five yearsIron ore, nickel and coal production to expand by up to 100% from current levelsWestech’s licencee in South America, Cainsa, well-positioned to take advantage of increased activity in the regionGrowth prospects, through increased market penetration, for Austin’s Westech and JEC product ranges in the region

Minera Copper Mine, Chile

Escondida Copper Mine, Chile

Westech Business UpdateWestech performing to expectations, solid forward workload for manufacturing operations with confirmed orders stretching into 2H 2008-09 Effective and growing market penetration of Westech bodies in established and developing marketsWestech licencee Cainsa (Chile) secured major order to build large series of dump truck bodies for major mining houseSecond phase of order to be signed after negotiation on steel price increasesWestech licence fees now a recurring source of revenueAustin’s Australian operations have recently secured new orders from major mining houses in the East and West for 76 Westech bodies worth $30m

FY 2008 in reviewPerth and Brisbane workshops operating at full capacityOrder book now extends into 2H 2008-09$30m of new orders received for WA, Brisbane and Mackay operations since late March 2008A further $21m of orders verbally confirmed, awaiting contract documentation These new orders include 76 Westech bodies, valued at $30m Record results for 1H 2008, EBIT up 110% to $7m and NPAT up 100% to $4.7mQueensland floods and associated transport restrictions resulted in three months of lost contribution for Kaldura workshop in Mackay; Austbore also affected but to a much lesser extent Transport restrictions now lifted; Kaldura back to full capacity for April to June 2008 in new expanded workshop2H 2007-08 EBIT forecast to be stronger than 1H 2007-08

Austin’s strategyOperational

Growth and diversification through acquisition, expanding manufacturingTarget high-growth oil, iron ore and coal markets; Canada, South America and AustraliaEstablish additional overseas operations in new markets, e.g. oil and gasEmploy technology to further reduce costs, increase outputAcquire new product lines

Shareholder returnsConsistent, reliable underlying profit growthIncreasing dividendsCapital appreciation

Austin’s outlookRecord work in hand with orders into 2008-09No sign US economic slow down having an impact on mining regionsResources sector to remain strong for both new projects and repair and replaceTo expand Westech product range in South America and CanadaIndia and other emerging economies offer opportunities for product expansionFollow-on projects in Middle EastBoost from expanded Kaldura operation, Mackay Forecasting strong increases in all key financial measures for FY 2007-08Financial capacity to pursue further acquisitionsFurther business expansion opportunities being considered

Thank youFor more information please visit

www.austineng.com.au