HYDROCARBON DYNAMICS LIMITED — Director's Dealing 2012

May 27, 2012

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 PRYME ENERGY LIMITED

ABN 75 117 387 354

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	Gregory Allen Short
Date of last notice	27 January 2012

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	Direct
Nature of indirect interest(including registered holder)Note: Provide details of the circumstances giving rise to therelevant interest.	-
Date of change	25 May 2012
No. of securities held prior to change	Ordinary Shares210,000 – Direct
Class	Ordinary Shares
Number acquired	650,000
Number disposed	NIL
Value/ConsiderationNote: If consideration is non-cash, provide details and estimatedvaluation	$22,750
No. of securities held after change	Ordinary Shares860,000 - Direct
Nature of changeExample: on-market trade, off-market trade, exercise of options,issue of securities under dividend reinvestment plan,participation in buy-back	On-market purchase

• See chapter 19 for defined terms.

Appendix 3Y Page 1

11/3/2002

Appendix 3Y Change of Director’s Interest Notice

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 whichinterest related prior to changeNote: Details are only required for a contract in relation towhich the interest has changed	-
Interest acquired	-
Interest disposed	-
Value/ConsiderationNote: If consideration is non-cash, provide details and anestimated valuation	-
Interest after change	-

Part 3 –[+] Closed period

Part 3 –+Closed period
Were the interests in the securities or contracts detailedabove traded during a+closed period where priorwritten clearance was required?	No
If so, was prior written clearance provided to allow thetrade to proceed during this period?	N/A
If prior written clearance was provided, on what datewas this provided?	N/A

• See chapter 19 for defined terms.

Appendix 3Y Page 2

11/3/2002