Ownership data based on most recent publicly available data according to Link Market Services.

Investor 20 May 2009 % of isc
1 Arkdale

119,727,102

 16.49%

 2 National Nominees Limited

   94,445,480

 13.01%

 3 ANZ Nominees Limited

   72,749,444

 10.02%

 4 JP Morgan Nominees Australia Limited

   35,342,470

   4.87%

 5 HSBC Custody Nominees (Australia) Limited

   26,630,982

   3.67%

 6 Beach Petroleum Limited

   20,613,699

   2.84%

 7 Mathews Capital Partners Pty Ltd

   19,562,978

   2.69%

 8 Citicorp Nominees Pty Ltd

  8,981,530

   1.24%

 9 J Barlow Consultants Pty Ltd

 8,625,611

   1.19%

10 Aust Executor Trustees NSW Ltd

 8,129,540

   1.12%

11 Australian Reward Investment Alliance

 7,584,569

   1.04%

12 Merrill Lynch (Australia) Nominees Pty Ltd

6,689,338

   0.92%

13 Cogent Nominees Pty Ltd

     6,143,580

   0.85%

14 Mr Nicholas Paul Davies

    5,519,040

   0.76%

15 AMP Life Limited

    4,948,747

   0.68%

16 Lujeta Pty Ltd

    4,860,146

   0.67%

17 UBS Wealth Management Aust Nominees Pty Ltd

    4,749,957

   0.65%

18 MLEQ Nominees Pty Ltd

    4,584,910

   0.63%

19 Kabila Investments Pty Ltd

    4,211,173

   0.58%

20 Cogent Nominees Pty Ltd <SL Non Cash Collateral A/c)

    4,135,600

   0.57%