ADDITIONAL SECURITIES EXCHANGE INFORMATION Additional information required by ASX Listing Rules and not disclosed elsewhere in the Annual Report is set out below. The  information was applicable for the Company as at 5 September 2011. The number of shareholders ranked by size of holding is set out below: There were 854 shareholders holding less than a marketable parcel of ordinary shares to the value of $500. The number of ordinary shares held by substantial shareholders and their associates (who held 5% or more of total fully paid  ordinary shares on issue), as disclosed in substantial holder notices given to the Company, is set out below: The names of the twenty largest shareholders of the Company’s ordinary shares are listed below: 92 Karoon Gas Australia Ltd  Annual Report 2011 Fully Paid Ordinary Shares Shareholder  Number Held  % of Issued Ordinary Shares 1 HSBC Custody Nominees (Australia) Limited  40,455,549  18.27 2 JP Morgan Nominees Australia Limited  20,454,723  9.24 3 Talbot Group Holdings Pty Ltd <Talbot Equities A/C>  15,317,043  6.92 4 Talbot Group Investments Pty Ltd  11,000,313  4.97 5 JP Morgan Nominees Australia Limited <Cash Income A/C>  10,316,985  4.66 6 Ropat Nominees Pty Ltd  9,210,022  4.16 7 Citicorp Nominees Pty Limited  8,936,643  4.04 8 National Nominees Limited  7,159,527  3.23 9 HSBC Custody Nominees (Australia) Limited-GSCO ECA  4,017,520  1.81 10 HSBC Custody Nominees (Australia) Limited - A/C 2  3,435,611  1.55 11 UBS Wealth Management Australia Nominees Pty Ltd  2,589,708  1.17 12 Mr Robert Hosking  2,250,000  1.02 13 Woodross Nominees Pty Ltd  1,782,156  0.80 14 Mr Mark Smith  1,500,000  0.68 15 HSBC Custody Nominees (Australia) Limited <3 A/C>  1,330,547  0.60 16 IERS (Australia) Pty Ltd <Smith Family Investment A/C>  1,271,500  0.57 17 AMP Life Limited  1,154,347  0.52 18 Mrs Mara Spong  1,127,888  0.51 19 Bond Street Custodians Ltd <Macquarie Smaller Co’s A/C>  972,000  0.44 20 Rose Burton Pty Ltd  796,692  0.36 Total  145,078,774  65.52 Fully Paid Ordinary Shares Shareholder  Number Held % of Issued Ordinary Shares Wellington Management Group, LLP and its related bodies corporate  28,374,885  12.81 Talbot Group Holdings Pty Ltd  26,714,728  12.07 Mr Robert Hosking  12,524,462  5.66 Total  67,614,075  30.54 Twenty Largest Shareholders Substantial Shareholders Distribution of Shareholding Size of Holding  Number of Holders  Number of Ordinary Shares on Issue Less than 1,000  3,267  1,560,853 1,001 to 5,000  4,292  11,531,147 5,001 to 10,000  1,210  8,816,347 10,001 to 100,000  1,169  29,059,518 More than 100,000  129  170,452,904 Total  10,067  221,420,769