VOLT GROUP LIMITED — Investor Presentation 2012

Apr 4, 2012

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A clean power company�

Investor Presentation � April 2012�

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Company snapshot�

Australian Stock Exchan e - ERJ� g Issued Shares: ERJ�

892,296,815� 64,737,700� 438,704,782� $0.014� $12.5 M� $19.5 M�

Options: ERJO (exercise price of $0.20 by 31/12/16) �

Options: ERJAO (exercise price of $0.03 by 30/6/15)� Share Price: ERJ[1�]

Market Capitalisation (Undiluted) Market Capitalisation (Diluted)

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An clean power company focused on providing recovered heat energy to multiple sectors, including mining and resources �

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Australian exclusive commercial rights for proven waste heat conversion technology – the “ Opcon Powerbox ”�

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Opcon Powerbox can produce up to 20% more power and lower CO2 emissions by ~15% without burning additional fuel

1 Price at close on 16th March 2012 �

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Progressive leadership team�

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Board�

Board
Hon Ian Campbell Non-Executive Chairman	17 years in Federal Parliament (including Minister for Environment & Heritage and responsible for climate change policy)
Greg Pennefather	Former CEO, Clarinet Australia; Former MD, Halcyon group;
Managing Director	Co-founder & inaugural CEO Request Broadband
Rolf Hasselström Non-Executive Director	Current Opcon CEO, provider of organic Rankine cycle Powerbox technology
Management
Peter Wassell	20 years in Senior Engineering roles in maintenance,
Chief Engineer	technical support and marketing
Geoffrey Reid CFO	Former Australasian Financial Controller MI-SWACO

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What we do

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1 2 3 4
Capture heat Generate Sell this Use this revenue
wasted as a 
 electricity using electricity back to to drive
by-product of the Opcon the customer� shareholder
industrial power Powerbox - value �
generation� without fuel or
creating
emissions or
capital costs to
the customer�
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Business model�

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Each 0.7 MW unit generates 6,000 MWh per year�

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Long term energy off-take agreements to deliver electricity from waste heat at a fixed price�

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Build, own and operate power generation capacity�

$6.25M zero coupon convertible bond facility to fund early installations� Currently exploring debt funding to minimise shareholder dilution�

Per unit�

Per MW�

CAPEX (installed) $2.9M to $3.5M $4.1M to $5M

Revenue� $1M to $1.2M per annum[1] $1.4M to $1.7M per annum[1] O eratin costs�[$160K to $195K per annum ][2�][$230K to $275K per annum ][2] p g Gross Margin 83% to 88%[3] 83% to 88%[3] (as % of Revenue)� IRR for project� 24% to 39%[3] 24% to 39%[3]

1 Based on electricity sale price of AUD$170-$200/MWh, off-grid diesel fuelled sites, assumes 97% uptime� 2 Project Operating includes maintenance 5% of Capex, insurance 0.5% of Capex� 3 5% yearly price increase, 3% inflation, 10 year project life�

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Power generation capacity target�

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Note: each unit has a generating capacity of 0.7 MW �

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Australia’s first Opcon Powerbox�

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Installation timeline at Horizon Power’s
Carnarvon Power Station�
Enerji’s first heat September 2011
recovery unit
being installed at
• Powerbox arrived 29 [th] September�
Carnarvon�
February 2012�
• DEC Works Approval granted�
• Site works commenced�
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• Site works commenced�

• March 2012

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• Opcon Powerbox installed on site�

• Heat recovery units installation�

• Cooling tower assembly�

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April 2012�
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• Pipeworks completion�

• Electrical and control works�

• Generating power�

May 2012�

• First Invoice = Revenue�

Enerji’s Opcon Powerbox – installed on site in Carnarvon with the cooling tower assembly occurring in the foreground �

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What is the Opcon Powerbox?�

Generates electric power using heat captured as a by-product of fossil fuel energy� Uses zero fuel and creates zero emissions� Generates power when and where it is needed� 6,000 MWh produced annually by each unit� Modular design – use multiple Powerboxes when required� Designed and manufactured in Sweden by Opcon �

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About Opcon�

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Opcon is an energy and environmental technology group that develops, produces and markets systems and products for eco-friendly, efficient and resource-effective use of energy. Opcon is over 100 years old and has activities in Sweden, China, Germany, the UK & Denmark. There are around 380 employees. The company’s shares are listed on Nasdaq OMX Stockholm.

Opcon and related entities own approximately 13% of ERJ

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Enerji ’ s recovered energy solution�

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Opcon Powerbox Competitive Advantage�

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Uses a twin screw Axial Turbine Twin Screw
expander instead of an
axial fin and blade
turbine�
Operating
Range
Greater operating
range and flexibility� Safety
Margin Operating
Minimum
Range
Heat
Shutdown
Minimum
Heat
Shutdown
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Customer case study�

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Capacity� Fuel� Cost� Maintenance� Emissions�
7 MW of Diesel 7MW Diesel
Diesel Fuel Costs
Generator Diesel Fuel use of Maintenance cost Generator
of $16.5M per
capacity produces 16.1 million Litres of $1.08M/ per produces
year at a price of
61.4 GWh/year of per year� $1.0221/l [(1)�] annum [(3)] 40,000 tCO2
electricity� annually [(4)�]
Fuel and
6.3 MW of Diesel Diesel Generator
Diesel Fuel use Electricity Costs Reduced load
capacity used, load reduced to
reduced to 14.5 of $15.8M per reduces cost to
plus 0.7 MW from 6.3MW, reducing
million Litres per year including $0.97M/ per
Powerbox . Total= year� $1M to Enerji for annum [(3)] tCO2 to 36,000
61.4 GWh/year. annually [(4)]
electricity [(2)] .�
Electricity
Generation: 
 Fuel Savings:
 Fuel Cost Maintenance Emissions
7 MW capacity 1.6M litres Savings:� Savings: � Savings:
reduction in
with or without 4,000 tCO2
diesel fuel use� $660k pa [(5)] $108 K pa�
Powerbox
$770k pa
Current
Situation
Add one
Powerbox�
Benefit�
Customer
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(1) With the reduction in the fuel tax rebate of $0.0621/l as of 1[st] July 2012 (2) Electricity sale price of $170 /MWh (3) Maintenance cost = $0.0185 /kWh (4) 2.62 kg of CO2 produced for each litre of diesel�

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Rising fuel prices fuelling growth�

US DOE Oil Price[(1)�]

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Dollars per barrel (USD)�
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Opcon Powerboxes offer a hedge against rising fuel prices – they do not use fuel and pricing can be locked in for the entire contract period.�

• (1) Source: US Department of Energy Report #:DOE/EIA-0484(2009) �

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Savings increase with rising fuel prices�

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10 years:
save
$12.8M
20 years:
save
5 years: $34.7M
15 years:
save
save
$5.1M
$22.5M
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Note: this slide uses the same assumptions as the customer case study. (1) fuel price increase based on forecast in US DOE Report #:DOE/EIA-0484(2009) (2) Fuel consumption reduces from 16.1 Million L/pa to 14.5 Million L/pa as Enerji provides 1 Powerbox unit of 0.7MW. (3) Diesel Fuel price at 2012 is $0.96/L (4) Enerji electricity price increase = 2.5% pa.�

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Massive target market�

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Major Resource Projects — March 2012 Narngulu synthetic rutile0 Geraldton brickKwinana–RockinghamAustralind titanium pigment50 kmAlumina refineryAmmonium nitrateOil refineryCement and limeChlor alkaliDesalinationNickel refinerySodium cyanideTitanium pigmentEremiaGeraldtonWoodadaEmu Downs Wind FarmXyris SouthCentral WestPort Gregory GrtOakajeeAlinta Wind FarmCliff HeadRedback South JingemiaBalline GrtCooljarloo NorthDongaraHoveaXyrisEvandraWespine timberWonnerup SouthSouthern SeawaterTitanium pigmentNeerabup/NewGenWhicher RangeWesbeam timberWesfi timberSilicon smelterBulk terminalCooljarlooCoolimbaCaversham tileWagerup AlVasseChlor alkaliMalaga brickdesalinationBunburyCatabyGingin West FremantleEradu Pig IronDongaraCorybasApiumTarantula PERTH Pinjarra AlCentauri 1Mount HornerEneabbaEneabbaBadgingarra Wind FarmTutunup SouthBeharra SpringsBeharra Springs NorthGullewa Au CuTallering PeakIrwin RiverTutunupHappy ValleyKoolanooka SouthWarroRed GullyDardanupThree Springs TlcGwindinupMujaWorsley AlKemerton SisdMoora ChertHuntlyChandala synthetic rutileKeysbrookArmadale brickCardup brickKararaKoolanooka/MidwestAirport brickMiddle Swan brickWandooBindoon NorthMMidland brickYogi [Greenbushes Li Ta] YerecoinGolden Grove Cu Zn PbBoddington Au CuWillowdaleji MarradongMuja SouthCollieBilberatha HillBluewaters 1-­2Collie–Shotts ureaEwingtonPremierMungadaMuja timberTiMagnetite RangeSaddlebackMinjar –Mt MulginebExtension HillMt GibsonMt GibsonHill 50Sparks Kln Project labels: PROJECTS OPERATING OR CURRENTLY UNDER DEVELOPMENT WITH AN ACTUALOR ANTICIPATED VALUE OF PRODUCTION GREATER THAN $A10 MILLION ARE SHOWN IN BLUEPROPOSED OR POTENTIAL PROJECTS WITH A CAPITAL EXPENDITURE GREATER THAN$A20 MILLION ARE SHOWN IN REDPROJECTS UNDER CARE AND MAINTENANCE ARE SHOWN IN PURPLEBrowse LNG PrecinctBrecknockCallianceTorosaBroomeKronos Ichthys WestBurnside Point TormentIrvine IslaArgusIchthysMimiaDerbyUngani n dBoundaryEchuca ShoalsPreludePadthawaySundownCash–MaplePictor EastCockPoint TormentSwallowPuffinLloydOobagoomaSkuaGwydionCrux a Swantoo IslTenaciousWest TerraceBlinaDuchess–ParadiseLibra a CorneaOliverndTahbilkVestaSwift NorthLaminaria CorallinaMontara–BilyaraEllendaleTalbotLaminaria EastJabiruChallis–CassiniAudaciousKatandraKoongie Park Zn Cu PbJahalBluffMitchell PlateauKapok West – Lennard Shelf Pb Zn AgBullerCape BKuda TasiKrillPrometheus/RubiconSpeewah V Ti FePanton Pt Pd o Elang–KakatuaHingkipugainvilleBayu–UndanSavannahWyndhamSmoke Creek / VenusLake Argyle hydroKelp DeepFrigateTroubadourSorby Hills Pb Zn CuRidgesOrd irrigationArgyleBlacktipCopernicusOSpeewah Fl r d irrigationexpansionTernChudditchTurtleSunrisePetrel
SEE INSET B (inside cover) Admiral Bay Zn Pb
Alaric BrederodeScarborough Coyote
MINERAL SYMBOLS Steel alloy metalPrecious mineralPrecious metalDmdAu (or as shown)Ni (or as shown) Cookes Creek WMesa – Ant Hill MnYeneena CuNifty CuNicholas Downs MnKintyreTelfer Au CuO'Callaghans W CuMaroochydore Cu Co Lake Auld K Lake Mackay K
Base metalIronSpeciality metalTi–Zr (or as shown) Prairie Downs Zn Pb Ag Davidson CreekRobertson Range Lake Disappointment K
AluminaCoal and ligniteUraniumBx (or as shown) Lake MacLeod GpCape Cuvier Lake MacLeod Salt Abra Pb Cu Zn Butcherbird Mn
Industrial mineralConstruction materialProcessing plant Fortnum Plutonic Beyondie
PETROLEUM SYMBOLSINFRASTRUCTURECOMMODITIES Ag..........Al...........Au..........Bx..........Co..........Cr...........Cu..........Dmd......Fe..........Fl..........Gp.........Grt.........K............Kln.........Li............LNG.......LPG.......MgCOMica.......Mn.........Ni..........Pb..........Pd..........Phos......Pt...........REE.......Sisd.......Ta...........Ti...........Tlc.........V............W...........Zn..........Zr...........Significant oil discoverySignificant oil and gas discoveryPower plantRadio astronomyIrrigation / water / desalinationGas fieldOil fieldOil and gas fieldSignificant gas discoveryProcessing plantPort3...SilverAluminaGoldBauxiteCobaltChromiumCopperDiamondIronFluoriteGypsumGarnetPotassiumKaolinLithiumLiquefied natural gasLiquefied petroleum gasMagnesiteMicaManganeseNickelLeadPalladiumPhosphatePlatinumRare earth elementsSilica sandTantalumTitaniumTalcVanadiumTungstenZincZirconiumOil / gas pipeline, operatingOil / gas pipeline, proposed Shark Bay Salt SEEINSET A Coburn PERTH MurchisonRadio–astronomyobservatoryMirambeena timberWeld RangeAlbany wind farmGreat FingallBig BellJack HillsGabanintha V Ti FeTelecom HillAndy WellBurnakuraNowthannaEdnaMayPhillips River – Trilogy Au CuBarrambie V Ti FeCollgarWind FarmWindimurraV FeDie HardyCashmere DownsAlbanyMt JacksonKoolyanobbingWindarlingVictory Bore V FeMarvel LochDeceptionCoolgardie–RedemptionRangeHillviewDeGrussa–DoolgunnaCu AuSouthdownNevoriaFlying FoxMt Cattlin Li TaMagellan PbMt Marion Li Ta MicaMt ForrestMt CaudanBountyKundana – Kundana EastMt MasonCarinaMt BevanGidgeeWilunaLake GilesLaverton/NavigatorJaguar Zn Cu PbWestYeelirrieLawlersSiberiaNavajo ChiefAgnewCosmosBullabullingCarnegieLounge LizardLeinsterCliffsCarnilya HillGoongarrieSinclairCanegrassMt IdaWilunaOtter–JuanSalmon GumsMt KeithMaggie Haysthe HillsCawseKing ofNepeanWattle DamRavensthorpeSpargovilleSons ofHighwayGwaliaJundee–NimaryMatildaHinkler WellLake WayHoneymoon WellMarinersYakabindieLawlers MgCOBronzewingWaterlooLake MaitlandMarshall PoolMurrinMurrin/ GMEBentleyZn Pb CuScotiaDarlotPaddingtonSunrise DamExcelsiorSuperpitFrogs LegMgCOLindsaBlairCentralNorsemanBeta–HuntTridentScaddanMt ThirstyLanfranchiEsperance3 Jump Up DamSt Ives3yBald Hill TaSouth Kals FindKalgoorlie nickel smelterMt WindarraSouth Laverton – Carosue DamMurrin MurrinMoolart Well – DuketonBlack SwanRed OctoberAldissKanowna BelleLaverton/CrescentFortitudeMt Weld REEGranny Smith – WallabyLong–VictorMt Weld PhosKambalda nickel concentratorMt MongerRandallsEucla WestPontonThatcher SoakMulga Rock Tropicana0 100 West MusgraveKilometres200 Cyclone300Wingellina 400
Garden Well
White Foil
Koolan Island
Spotted Quoll
INSET A
Fused aluminaFused zirconia
Zirconia
LNGLPG
Brightstar
Meekatharra
Mikado
Power station
G
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Enerji’s primary target is off-grid power stations that supply electricity to remote mine sites .�

In Western Australia alone there are 1,030 operating mines and . � 556 mining projects[1]

We can sell direct to the mining company or via the Independent Power Producer (IPP).

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Map source: WA Department of State Development �

(1) Source: WA Department of Mines and Petroleum as of October 2011�

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Conclusion – The Enerji Advantage�

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A clean, efficient solution that is ready to be rolled out into the Australian market place� Customers are not required to invest any capital to capture this waste energy�

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Compelling commercial proposition to generate revenue and shareholder returns with or without a carbon price� Power generation using zero fuel and producing zero emissions�

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Contact details�

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10 Ord St, West Perth 6005� Phone +61 8 9268 3800� www.enerji.com.au

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Disclaimer�

This document is prepared as a presenter ’ s aid and support –not a standalone document. Best efforts have been taken to ensure the accuracy of information contained, at the time of preparation. �

In some instances forward targets and/or assumptions have been included –all such instances are indicative only and subject to alteration and/or cancellation as and when the management of Enerji Limited sees fit. �

All information contained here is general in nature. �

Potential investors are cautioned against using the content of this presentation, in isolation, for making investment decisions. �

Research and the counsel of a qualified financial adviser or accountant are strongly recommended to anyone considering investing in listed company securities, including Enerji Limited. �

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