PricewaterhouseCoopers ABN 52 780 433 757 Freshwater Place 2 Southbank Boulevard SOUTHBANK VIC 3006 GPO Box 1331 MELBOURNE VIC 3001 DX 77 Telephone 61 3 8603 1000 Facsimile 61 3 8603 1999 Direct Phone +61 (3) 8603 3130 Direct Fax +61 (3) 8613 2059 Website:www.pwc.com/au As lead auditor for the audit of Karoon Gas Australia Ltd for the year ended 30 June 2011, I declare that to the best of my  knowledge and belief, there have been: (a) no contraventions of the auditor independence requirements of the  Corporations Act 2001  in relation to the audit; and (b) no contraventions of any applicable code of professional conduct in relation to the audit. This declaration is in respect of Karoon Gas Australia Ltd and the subsidiaries it controlled during the period.  Melbourne 13 September 2011 Liability limited by a scheme approved under Professional Standards Legislation Karoon Gas Australia Ltd  Annual Report 2011 31 AUdITOR’S IndEPEndEnCE dECLARATIOn Charles Christie  Partner  PricewaterhouseCoopers