PTR MINERALS LTD — Board/Management Information 2010

Mar 31, 2010

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PETRATHERM LIMITED ABN 17 106 806 884

Petratherm welcomes Lewis Owens to board

Petratherm is delighted to announce the appointment of Mr Lewis Owens, former chief executive of ETSA Utilities and a former South Australian energy regulator, to the Company’s Board of Directors.

Mr Owens has 20 years’ experience as a Chief Executive Officer in the public and private sectors. This includes Chairman of the Essential Services Commission of South Australia, responsible for regulating the SA electricity and gas industries, intra-state and Darwin railways, ports and urban water pricing. He was also the CEO for WorkCover Corporation and Funds SA during the 1990s before returning to the energy industry for the past decade.

Mr Owens was an associate Commissioner on the Australian Competition and Consumer Commission Energy Committee and was the South Australian Independent Industry Regulator for the state’s electricity industry.

Petratherm Chairman, Mr Derek Carter said Mr Owens’ extensive experience would enhance and complement the skills of the Board and he welcomed Mr Owens’ input to the future direction of the company.

1 April 2010

ASX Code: PTR

ABN 17 106 806 884

Level 1,129 Greenhill Road Unley SA 5061

“In his most recent role as CEO of ETSA, Mr Owens was responsible for assets of $3.6 billion and more than 1800 employees, delivering electricity to 810,000 customers across South Australia,” Mr Carter said.

Mr Owens is a Reconciliation Ambassador in South Australia, with a particular interest in indigenous employment initiatives. He was recently appointed as Special Advisor to the Minister on aboriginal initiatives in Port Augusta. He is also Chair of the SA Country Arts Trust, a member of the SA Heritage Council, Chair of the University of Adelaide Business School Advisory Board, a member of the Resources and Energy Sector Infrastructure Council and a member of the City of Marion Audit Committee.

T: +61 8 8274 5000 F: +61 8 8272 8141 W: www.petratherm.com.au/ E: admin@petratherm.com.au

Yours faithfully, Terry Kallis Managing Director

MEDIA CONTACTS: Terry Kallis Kieran Hall

Petratherm Ltd 08 8274 5000 Hughes Public Relations 08 8412 4100