SANTOS LIMITED — Board/Management Information 2014

ASX/Media Release

24 February 2014

Santos appoints Scott Sheffield to Board, Mike Harding to retire

Santos Chairman, Ken Borda, today announced the appointment of Scott D. Sheffield to the Santos Board as an independent non-executive director, effective 24 February 2014.

Mr Sheffield is Chairman and Chief Executive Officer of Pioneer Natural Resources Company, which is listed on the New York Stock Exchange and included in the S&P 500 Index. Mr Sheffield has been Chief Executive Officer since 1997 and Chairman since 1999.

Mr Sheffield serves on various industry and education-related boards, including the National Petroleum Council, America’s Natural Gas Alliance and the Maguire Energy Institute of the SMU Cox School of Business. Mr Sheffield is a recipient of the Permian Basin Association’s Top Hand award, which recognises individuals who have demonstrated exceptional leadership within the oil and gas industry and the Permian Basin community. He is also a 2013 inductee into the Permian Basin Petroleum Museum Hall of Fame.

Mr Borda said that Mr Sheffield’s appointment was part of the Board’s commitment to continuing development and succession.

“Scott brings extensive leadership, technical and operational skills to the Santos Board. He has deep experience of the US energy industry and markets. Scott will be a regular visitor to Australia to attend Santos Board and Committee meetings,” Mr Borda said.

Mr Borda also announced that non-executive director Mike Harding will retire at the 2014 Annual General Meeting following a decade on the Board.

“Mike has been an outstanding director and has served Santos and its shareholders with distinction during his 10 years on the Board.”

“Mike has played a major role in the planning and execution of our transformational LNG projects,” Mr Borda said.

Ends.

Pioneer Natural Resources Company

Pioneer Natural Resources Company (NYSE:PXD) is a large independent oil and gas exploration company with a market capitalisation of more than US$25 billion and approximately 4,000 employees. Pioneer is considered a world leader in developing liquids-rich shale plays, and is amongst the most active operators in the United States, having drilled over 600 wells in 2013. Pioneer has been the best performing energy stock in the S&P 500 since January 2009.

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Santos Limited ABN 80 007 550 923 GPO Box 2455, Adelaide SA 5001 T: +61 8 8116 5000 / F: +61 8 8116 5131 www.santos.com

Chandran Vigneswaran +61 8 8116 5856 / +61 (0) 467 775 055 [email protected]

Andrew Nairn +61 8 8116 5314 / +61 (0) 437 166 497 [email protected]