HYDROCARBON DYNAMICS LIMITED — Director's Dealing 2010

Jul 29, 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	Justin Pettett
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	Indirect
Nature of indirect interest(including registered holder)Note: Provide details of the circumstances giving rise to therelevant interest.	Shares registered in the name of Mr Justin Pettett andMrs Kathryn Pettett <Pettett S/F A/C>. This is theDirector’s personal superfund account.
Date of change	26 July 2010
No. of securities held prior to change	Ordinary Shares1. 3,225,000 – Pettett Pty Ltd2. 436,000 – Mr Justin Pettett and Mrs Kathryn Pettett<Pettett S/F A/C>Performance Rights (PRs)515,936 PRs convertible into ordinary shares in the capitalof Pryme on a one for one basis; Subject to continuedemployment with Pryme, 50% of the PRs will vest on 1January 2011 and the balance 50% will vest on 1 January2011 – Direct

• See chapter 19 for defined terms.

Appendix 3Y Page 1

11/3/2002

Appendix 3Y Change of Director’s Interest Notice

Class	Fully paid Ordinary Shares
Number acquired	164,000
Number disposed	Nil
Value/Consideration	$11,181.95
Note: If consideration is non-cash, provide details and estimated
valuation
No. of securities held after change	Ordinary Shares
	1. 3,225,000 – Pettett Pty Ltd
	2. 600,000 – Mr Justin Pettett and Mrs Kathryn Pettett
	<Pettett S/F A/C>
	Performance Rights (PRs)
	515,936 PRs convertible into ordinary shares in the capital
	of Pryme on a one for one basis; Subject to continued
	employment with Pryme, 50% of the PRs 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

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