PTR MINERALS LTD — Director's Dealing 2010

Apr 19, 2010

Appendix 3Y Change of Director’s Interest Notice

Rule 3.19A.2

Appendix 3Y

Change of Director’s Interest Notice

Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX’s property and may be made public.

Introduced 30/9/2001.

Name of entity	PETRATHERM LTD
ABN	17 106 806 884

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of Director	Mr Richard Martin Bonython
Date of last notice	4thApril 2009

Part 1 - Change of director’s relevant interests in securities

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Note: In the case of a company, interests which come within paragraph (i) of the definition of “notifiable interest of a director” should be disclosed in this part.

Direct or indirect interest		(a)Direct (b)Indirect
Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest.		(b)(i) Dorica Nominees Pty Ltd (Director) (b)(ii) D G Bonython (wife)
Date of change		20thApril 2010
No. of securities held prior to change		Direct (a) 45,480 Ordinary Fully Paid Shares Indirect (b)(i) 1,025,480 Ordinary Fully Paid Shares (b)(ii) 35,480 OrdinaryFullyPaid Shares
Class		Ordinary Fully Paid Shares
Number acquired		(a) 41,666 (b)(i) 41,666 (b)(ii)41,666
Number disposed
Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation		(a) $10,000 (b)(i) $10,000 (b)(ii) $10,000

• See chapter 19 for defined terms.

Appendix 3Y Page 1

11/3/2002

Appendix 3Y Change of Director’s Interest Notice

No. of securities held after change		Direct (a) 87,146 Ordinary Fully Paid Shares Indirect (b)(i) 1,067,146 Ordinary Fully Paid Shares (b)(ii) 77,146 Ordinary Fully Paid Shares
Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back		Acquisition of shares in accordance with the Company’s Share Purchase Plan.

Part 2 – Change of director’s interests in contracts

Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part.

Detail of contract Nature of interest Name of registered holder (if issued securities) Date of change No. and class of securities to which interest related prior to change Note: Details are only required for a contract in relation to which the interest has changed Interest acquired Interest disposed Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation Interest after change

• See chapter 19 for defined terms.

Appendix 3Y Page 2

11/3/2002