HYDROCARBON DYNAMICS LIMITED — Board/Management Information 2008

Jun 1, 2008

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2 June 2008

Company Announcements Office ASX Limited Exchange Centre Level 5, 20 Bridge Street Sydney NSW 2000

Dear Sir

Pryme Oil and Gas Limited (Pryme) – Resignation of Mr John Dickinson

We refer to the announcement of 13 May 2008 regarding the retirement of Mr John Dickinson, Vice Chairman of Pryme effective 1 June 2008.

Pursuant to ASX Listing Rule 3.19A.3, please find attached the Appendix 3Z for Mr John Dickinson.

Yours sincerely

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Janine Rolfe Company Secretary

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Appendix 3Z Final Director’s Interest Notice

Rule 3.19A.3

Appendix 3Z

Final 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.3 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of director	John Dickinson
Date of last notice	28 February 2008
Date that director ceased to be director	1 June 2008

Part 1 – Director’s relevant interests in securities of which the director is the registered holder

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.

Number & class of securities

Ordinary Shares 1,700,000

$0.20 Options exercisable through 30 June 2009

759,000 *

• Out of 3,450,000 Options granted under the Directors’ Incentive Option Plan (as approved by shareholders at the General Meeting held on 20 July 2006), 759,000 Options have vested and are exercisable. Upon cessation as a Director, the balance of 2,691,000 Options has lapsed.

$0.40 Options exercisable through 30 June 2008

566,667

• See chapter 19 for defined terms.

Appendix 3Z Page 1

11/3/2002

Appendix 3Z Final Director’s Interest Notice

Part 2 – Director’s relevant interests in securities of which the director is not the registered holder

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.

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

Name of holder & nature of Number & class of securities interest

Note: Provide details of the circumstances giving rise to the relevant interest Not applicable

Part 3 – Director’s interests in contracts

Detail of contract	Not applicable
Nature of interest	Not applicable
Name of registered holder (if issued securities)	Not applicable
No. and class of securities to which interest relates	Not applicable

• See chapter 19 for defined terms.

Appendix 3Z Page 2

11/3/2002