HYDROCARBON DYNAMICS LIMITED — Director's Dealing 2013

Jun 23, 2013

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Company Announcements Office Australian Securities Exchange 20 Bridge Street Sydney NSW 2000

24 June 2013

Dear Sir,

RE: Pryme Energy Limited (Pryme) (ASX Code PYM) – Appendix 3Y for Mr. Ryan Messer

Please find attached Appendix 3Y for Ryan Messer.

This is being lodged following a change in the American Depository Share ( ADS) ratio from 1 ADS: 10 Ordinary Shares to 1 ADS: 100 Ordinary Shares effective today. The ratio change has resulted in a reverse split on the Pryme ADSs on a basis of one (1) new ADS for every ten (10) old ADSs held.

As a result, Sourcerock Investments LLC (a company of which Mr Messer is a director) now holds 111 ADSs (equivalent to 11,100 ordinary shares) instead of the previous 1,110 ADSs ((equivalent to 11,100 ordinary shares).

Please note that there is no change to the physical share holding of Mr Messer and the ordinary shares equivalent number remains unchanged.

Yours’ Sincerely,

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Swapna Keskar Company Secretary

For further information please contact:

Justin Pettett Managing Director Pryme Energy Limited Telephone: +61 7 3371 1103

Ryan Messer Chief Operating Officer Pryme Energy Limited Telephone: +1 713 401 9806

Website: www.prymeenergy.com

ASX Code: PYM

OTCQX Code: POGLY

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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 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	Timothy Ryan Messer
Date of last notice	7 January 2013

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 **	24 June 2013
No. of securities held prior to change	Ordinary Shares 2,820,291 – Sourcerock Investments LLC 1,649,222 – Direct American Depository Shares 1,110 (equivalent to 11,100 Ordinary shares) – Sourcerock Investments LLC
Class	American Depository Shares
Number acquired	Nil
Number disposed	Nil
Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation	Nil

• See chapter 19 for defined terms.

Appendix 3Y Page 1

11/3/2002

Appendix 3Y Change of Director’s Interest Notice

No. of securities held after change	Ordinary Shares 2,820,291 – Sourcerock Investments LLC 1,649,222 – Direct American Depository Shares 111 (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	Effective 24 June 2013, Pryme’s American Depository Share (ADS) ratio has changed from 1 ADS: 10 Ordinary Shares to1 ADS: 100 Ordinary Shares. This ratio change has resulted in a reverse split on the Pryme ADSs on a basis of one (1) new ADS for every ten (10) old ADSs held.

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

Appendix 3Y Change of Director’s Interest Notice

Part 3 – Closed Period

Were the interests in the securities N/A or contracts detailed above traded during a[+] closed period where prior written clearance was required? If so, was prior written clearance N/A provided to allow the trade to proceed during this period? If prior written clearance was N/A provided, on what date was this provided?

• See chapter 19 for defined terms.

Appendix 3Y Page 3

11/3/2002