HYDROCARBON DYNAMICS LIMITED — Director's Dealing 2010

Aug 30, 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 PRYME OIL AND GAS 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	Timothy Ryan Messer
Date of last notice	5 February 2010

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	24 August 2010
No. of securities held prior to change	Ordinary Shares2,506,925 – Sourcerock Investments LLCAmerican Depository Receipts555 (equivalent to 11,100 Ordinary shares) –Sourcerock Investments LLCRestricted Stock Units (RSUs)515,936 RSUs convertible into ordinary shares in theCapital of Pryme on a one for one basis; Subject toContinued employment with Pryme, 50% of the RSUswill vest on 1 January 2011 and the balance 50% willvest on 1 January 2011 – Direct
Class	Ordinary Shares

• See chapter 19 for defined terms.

Appendix 3Y Page 1

11/3/2002

Appendix 3Y Change of Director’s Interest Notice

Number acquired	60,000
Number disposed	-
Value/Consideration	$4,740 (30,000 shares acquired @ $0.078 each and
Note: If consideration is non-cash, provide details andestimated valuation	30,000 shares acquired @ $0.080 each)
No. of securities held after change	Ordinary Shares
	2,506,925 – Sourcerock Investments LLC
	60,000 – Direct
	American Depository Receipts
	555 (equivalent to 11,100 Ordinary shares) –
	Sourcerock Investments LLC
	Restricted Stock Units (RSUs)
	515,936 RSUs convertible into ordinary shares in the
	Capital of Pryme on a one for one basis; Subject to
	Continued employment with Pryme, 50% of the RSUs
	will vest on 1 January 2011 and the balance 50% will
	vest on 1 January 2011 – Direct
Nature of change	On market purchase
Example: on-market trade, off-market trade, exercise of
options, issue of securities under dividend reinvestment
plan, participation in buy-back

Part 2 – Change of director’s interests in contracts – N/A

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