AGL Energy Limited today announced that it has upgraded its proved plus probable (2P) gas reserves entitlements as at 30 June 2010 to 1578 (PJ) petajoules, an increase of 270 PJ (21%) since 31 December 2009. Over the 12 months to 30 June, 2010 this reserves upgrade represents an increase of 471 PJ (43%).

These increases are net of production over intervening periods.

For further details, please see the "AGL Announces increase in 2P reserves" media release.

About AGL

AGL is one of Australia's leading integrated renewable energy companies and is taking action toward creating a sustainable energy future for our investors, communities and customers. Drawing on 175 years of experience, AGL operates retail and merchant energy businesses, power generation assets and an upstream gas portfolio. AGL has one of Australia's largest retail energy and dual fuel customer bases. AGL has a diverse power generation portfolio including base, peaking and intermediate generation plants, spread across traditional thermal generation as well as renewable sources including hydro, wind, landfill gas and biomass. AGL is Australia's largest private owner and operator of renewable energy assets and is looking to further expand this position by exploring a suite of low emission and renewable energy generation development opportunities.