HYDROCARBON DYNAMICS LIMITED — Director's Dealing 2008

Jul 1, 2008

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	26 June 2008

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 the relevant interest.	Mr Pettett is a director Pettett Pty Ltd Mr Pettett is a director of Infinity One Pty Ltd Mr Pettett is a director of the Trustee (Pettett Pty Ltd)
Date of change	2 July 2008
No. of securities held prior to change	Ordinary Shares 2,300,000 – Pettett Pty Ltd 65,000 – Pettett Family Super Fund $0.20 Options exercisable through 30 June 2008 206,925 – Pettett Pty Ltd $0.20 Options exercisable through 30 June 2009 600,000 – Pettett Pty Ltd $0.40 Options exercisable through 30 June 2008 500,000 – Pettett Pty Ltd 3,334 – Infinity One Pty Ltd 81,668 – Pettett Family Super Fund

• See chapter 19 for defined terms.

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Appendix 3Y Change of Director’s Interest Notice

Class	(a) Fully Paid Ordinary Shares (b) $0.40 Options exercisable through 30 June 2008
Number acquired	(a) 206,925 (b) Nil
Number disposed	(a) Nil (b) 500,000 – Pettett Pty Ltd 3,334 – Infinity One Pty Ltd 81,668 – Pettett Family Super Fund
Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation	(a) $41,385 (b) Nil
No. of securities held after change	Ordinary Shares 2,506,925 – Pettett Pty Ltd 65,000 – Pettett Family Super Fund $0.20 Options exercisable through 30 June 2009 600,000 – Pettett Pty Ltd
Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back	(a) Issue of Ordinary Shares upon the conversion of $0.20 Options. (b) Lapse of $0.40 Options on 30 June 2008.

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

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	26 June 2008

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 the relevant interest.	Mr Messer is a director of Sourcerock Investments LLC
Date of change	2 July 2008
No. of securities held prior to change	Ordinary Shares 1,700,000 – Sourcerock Investments LLC $0.20 Options exercisable through 30 June 2008 206,925 – Sourcerock Investments LLC $0.20 Options exercisable through 30 June 2009 759,000 – Sourcerock Investments LLC $0.40 Options exercisable through 30 June 2008 566,667 – Sourcerock Investments LLC American Depository Receipts 555 (equivalent to 11,100 Ordinary shares) – Sourcerock Investments LLC
Class	(a) Fully Paid Ordinary Shares (b) $0.40 Options exercisable through 30 June 2008

• See chapter 19 for defined terms.

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Appendix 3Y Change of Director’s Interest Notice

Number acquired	(a) 206,925 (b) Nil
Number disposed	(a) Nil (b) 566,667
Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation	(a) $41,385 (b) Nil
No. of securities held after change	Ordinary Shares 1,906,925 – Sourcerock Investments LLC $0.20 Options exercisable through 30 June 2009 759,000 – Sourcerock Investments LLC American Depository Receipts 555 (equivalent to 11,100 Ordinary shares) – Sourcerock Investments LLC
Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back	(a) Issue of Ordinary Shares upon the conversion of $0.20 Options. (b) Lapse of $0.40 Options on 30 June 2008.

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

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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	Ananda Kathiravelu
Date of last notice	30 October 2006

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.	Mr Kathiravelu is a director of Armada Capital Ltd (previously known as First Capital Corporate Ltd)
Date of change	2 July 2008
No. of securities held prior to change	Ordinary Shares 20,000 – Ananda Kathiravelu 20,000 – Ananda Kathiravelu <ATF Milo and Jaspa Kathiravelu) 4,687,500 – Armada Capital Ltd $0.20 Options exercisable through 30 June 2008 1,303,650 – Armada Capital Pty Ltd $0.40 Options exercisable through 30 June 2008 6,667 – Ananda Kathiravelu 6,667 – Ananda Kathiravelu <ATF Milo and Jaspa Kathiravelu) 1,562,500 – Armada Capital Ltd

• See chapter 19 for defined terms.

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Appendix 3Y Change of Director’s Interest Notice

Class	(a) Fully Paid Ordinary Shares (b) $0.40 Options exercisable through 30 June 2008
Number acquired	(a) 1,303,650 (b) Nil
Number disposed	(a) Nil (b) 6,667 – Ananda Kathiravelu 6,667 – Ananda Kathiravelu <ATF Milo and Jaspa Kathiravelu) 1,562,500 – Armada Capital Ltd
Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation	(a) $260,730 (b) Nil
No. of securities held after change	Ordinary Shares 20,000 – Ananda Kathiravelu 20,000 – Ananda Kathiravelu <ATF Milo and Jaspa Kathiravelu) 5,991,150 – Armada Capital Ltd
Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back	(a) Issue of Ordinary Shares upon the conversion of $0.20 Options. (b) Lapse of $0.40 Options on 30 June 2008.

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