PTR MINERALS LTD — Regulatory Filings 2012

Apr 2, 2012

Petratherm Ltd

Level 1, 129 Greenhill Road, Unley, South Australia 5061 Tel: +61 8 8274 5000 Fax: +61 8 82 7 2 8141 Website www.petratherm.com.au Email admin@petratherm.com.au A.C.N. 106 806 884

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3 April 2012

Australian Stock Exchange Limited ( “ASX”) Company Announcements Office 4[th] Floor, 20 Bridge Street SYDNEY NSW

Dear Sir/Madam

We inform you that the following unlisted options have lapsed in accordance with the terms of the Company’s employee share option p lan.

Unlisted Options (ASX Code: PTRAJ) 20,000 @ $0.91

Could you please amend your records accordingly.

Yours faithfully

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DONALD STEPHENS COMPANY SECRETARY