Subordinated  Note Holding  Information The following information is provided regarding the Subordinated Notes of AGL as at 15 August 2012: 1. There were 6,500,000 Subordinated Notes. 2. There were 7,935 holders of these Subordinated Notes. 3. There were no holders of less than a marketable parcel of 5 Subordinated Notes. 4. The distribution of holders was: 7.  The twenty largest holders held 45.80% of the Subordinated Notes 6.  The class of holders was: 5.  The location of holders was: DISTRIBUTION NO. OF HOLDERS % 1–1,000  7,418 50.69 1,001–5,000 452 41.67 5,001–10,000  35 5.13 10,001–100,000  24 2.42 100,001 and over 6 0.09 7,935 100 LOCATION NO. OF HOLDERS % NO. OF NOTES % Australia 7,902 99.58 6,376,732 98.10 Hong Kong 4 0.05 5,250 0.08 Papua New Guinea 1 0.01 10,000 0.16 Taiwan 2 0.03 93,000 1.43 United Kingdom 7 0.09 5,330 0.08 Others 19 0.24 9,688 0.15 7,935 100 6,500,000 100 CLASS OF HOLDER NO. OF HOLDERS % NO. OF NOTES % Individuals 3,486 43.93 1,338,758 20.60 Companies and other 4,449 56.07 5,161,242 79.40 7,935 100 6,500,000 100 TWENTY LARGEST HOLDERS AS AT 15 AUGUST 2012 SUBORDINATED  NOTES % OF TOTAL  NOTES National Nominees Limited 896,994 13.80 J P Morgan Nominees Australia Limited 540,535 8.32 Share Direct Nominees Pty Limited 276,723 4.26 DNU Nominees Pty Limited 182,917 2.81 HSBC Custody Nominees (Australia) Limited 181,986 2.80 Questor Financial Services Limited 101,008 1.55 Mr Ting-Tzu Kuo 90,000 1.39 Cogent Nominees Pty Limited 88,000 1.35 Navigator Australia Limited 87,178 1.34 Netwealth Investments Limited 84,419 1.30 RBC Dexia Investor Services Australia Nominees Pty Limited 84,233 1.30 Bond Street Custodians Limited  80,559 1.24 Nulis Nominees (Australia) 60,545 0.93 UBS Nominees Pty Ltd 50,000 0.77 Citicorp Nominees Pty Limited 38,427 0.59 BT Portfolio Services Limited (WA) 32,430 0.50 M F Custodians Ltd 29,200 0.45 UBS Wealth Management Australia Nominees Pty Ltd 26,600 0.41 VSI Pty Ltd 24,720 0.38 Edsgear Pty Limited 20,400 0.31 2,976,874 45.80