PTR MINERALS LTD — Capital/Financing Update 2011

Oct 20, 2011

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PETRATHERM LIMITED ABN 17 106 806 884

SHARE PURCHASE PLAN RESPONSE

Petratherm Limited advises Shareholders that the Share Purchase Plan that closed on 14 October 2011 raised $458,500 before costs at a price of $0.125 per share.

The amount raised is very encouraging considering the challenging market conditions. The Company is pleased with the ongoing support from its shareholders as evidenced by the uptake of these offers.

The monies raised will be applied to fund ongoing working capital and exploration and development of the Company’s projects, in particular, the Company’s flagship Paralana Project in South Australia

21 October 2011

ASX Code: PTR

ABN 17 106 806 884

Yours Sincerely

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Derek Carter Chairman

Level 1,129 Greenhill Road Unley SA 5061

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