Origin Energy Limited · ASX:ORG
Origin Energy — Macquarie Infrastructure Conference 2003
14 slides from Origin Energy's conference presentation, May 6, 2003
Slide 1: ASX cover fax: Macquarie Infrastructure Conference
Origin energy To Company Announcements Office Facsimile 1300 300 021 Company Australian Stock Exchange Limited Date 6 May 2003 From Bill Hundy Pages 14 Subject MACQUARIE INFRASTRUCTURE CONFERENCE Please find attached a copy of a presentation that Managing Director Mr Grant King will deliver at the M
Slide 2: Competitive Outcomes in the Australian Energy Industry
Competitive Outcomes in the Australian Energy Industry Macquarie infrastructure Conference May 2003
Slide 3: Difference in historical demand forecasts for gas had profound implications
The difference in historical demand forecasts for gas had profound implications for supply and transmission infrastructure Austratian Domestic Gas Consumption (Petajoules per annum) + Official ABARE gas demand - forecasts have varied aie significantly over the years —1997 The 1997 and 1999 forecasts
Slide 4: Updated AGSO reserves assessments show large gas reserves in eastern Australia
An updated AGSO reserves assessments combined with Origin estimates showed large gas reserves in eastern Australia Gas Cooper | Gippsl’d | Bass / Coal Totais | Reserves *Thylacine & Reserves Basin Basin Otway | Seam Gas coverage | Geographe (TCR) # years) "| increased Discovered 3.2 4.9] *0.04| > 1.
Slide 5: The industry has responded to these new market conditions
The industry has responded to these new market conditions........ + New transmission pipelines built or commissioned - Since 1995 over 6,000 kms of transmission pipelines built or under construction in eastern Australia (Australia wide nearly 9000 kms and over $3 billion spent).* + New gas fields to
Slide 6: The offshore Otway Basin and coal seam gas
the offshore Otway Basin........ 2 major new gas resources discovered, Thylacine & Geographe, in May 2001. Feasibility studies completed. Environmental studies now underway. Woodside signed conditional gas sales agreement with TXU in August 2002. First gas expected 2006 ....and coal seam gas (CSG) -
Slide 7: Electricity
Electricity In the mid 1990's electricity interconnectors were limited effectively isolating the states in separate electricity markets each with its own unique supply mix + NSW and VIC share output of Snowy (Qi0) Scheme + Over supply of generation in VIC and SW + VIC supporting SA 3000MW Snowy to N
Slide 8: Industry has responded with more interconnectors and price convergence
13 industry has responded to the changing market providing more interconnectors, greater flexibility, & significant price convergence between states + Pending supply problems have been met + Over 7,500 MW of generation added since 1996 - approximately 20% of installed capacity + Significant improvem
Slide 9: Type of generation needed depends on duration of supply tightness
The type of generation needed depends on the duration of potential tightness in the supply/demand balance oer NEM Supply and Demand? 25,000 z 20,060 15,000 410,000 5,006 o Hours 1000 2066 3006 4060 5000 » This shortfall is best served by peaking plant with shorter lead time to construct Even by 2010
Slide 10: MRET will drive incremental investment from renewables
MRET will drive incremental investment in energy and capacity from renewables Renewables GWh + Mandated Renewable Energy Target requires 9500GWh by 2010, has driven 25,606 new investment activity - 40GMW of wind currently instailed; to grow to 1000MW - Origin has 120MW under contract and is developi
Slide 11: Origin is an active participant in the electricity markets
Origin Energy is an active participant in the electricity markets and is well positioned for new opportunities ee + Merchant generation {built Roma, Ladbroke Grove & Quarantine) + Contracted generation (eg Mt Stuart purchase, current WA peaker opportunity) + Have reviewed a number of assets includin
Slide 12: Full Retail Contestability timetable
24 Full Retail Contestability timetable Fuel Contestable Now NSW & Vic 2003/2004 2005 & WA Over 1 TJ Elec Over 300 MWh QLD Gas Over 100 TJ Elec Over 200 MWh SA Over 10 TJ ACT Over 100 MWh All customers Likely FRC for all customers a No FRC planned Ongin Conclusions
Slide 13: In the medium term Origin will benefit from growth projects
In the medium term Origin will benefit from projects that will contribute to growth & - Projects initiated but | not yet contributing * Projects contributing Jun-Dec ‘02 , fat Stuart power station: 28& MW Acquisition of Fairview / Durharn ats * Perth Basin gas and oi! discoveries Cee es i New CSG Co
Slide 14: In the long term Origin will continue to deliver value to shareholders
25 In the long term Origin will continue to deliver value to shareholders through: 300 + A strategic position that has differentiated Origin from other energy companies in Australia ny Be o 1 « A focus on risk management and improving the performance of existing businesses 150 50 + Growth from proje
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