HYDROCARBON DYNAMICS LIMITED — AGM Information 2010

Feb 22, 2010

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

23 February 2010

Dear Sir,

Pryme Oil and Gas Limited (Pryme) (ASX Code PYM) Annual General Meeting Details

Pryme Oil and Gas Limited advises that the 2010 Annual General Meeting is scheduled for 19[th] April at the Brisbane Club, commencing at 10.00am, further details of which will be given in the Notice of Annual General Meeting.

Yours sincerely,

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Swapna Keskar Company Secretary

Pryme Oil and Gas Limited is an Australian oil and natural gas producer and explorer with interests in the Gulf States of the U.S. The company has oil and gas exploration projects focused on Louisiana, the fifth-largest oilproducing state in the U.S. These projects are funded in part by existing cash flow. Pryme’s board of directors and management team has over 100 years of energy industry experience and has uniquely focused local knowledge, underscored by the proven track records of its managers and directors. Directors of the company are George Lloyd (Non Executive Chairman), Justin Pettett (Managing Director) and Ryan Messer (Executive Director) and Greg Short (Non Executive Director).

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