PRIMARY PETROLEUM (PIE:TSX.V and PETEF: OTCQX) is pleased to provide you with the following update from Rosetta Resources (NASDAQ:ROSE) on the stabilized production rate from their 3^rd horizontal well in the SOUTHERN ALBERTA BASIN in NW Montana..

During the year, Rosetta drilled four wells in its current seven-well horizontal program in the Southern Alberta Basin exploration play. The three remaining wells are scheduled to be drilled in 2012. Of the wells drilled to date, two have been completed and initial results reported in December. The third well was completed in the Middle Bakken and tested at a stabilized rate of 220 Bopd and 1.1 MMcf/d for a total of 403 Boe/d.

The remaining four horizontal completions will be tested during the second half of 2012 as part of the Companys ongoing evaluation of its position in the exploratory play.

The positive take away�s from this update are:

• The stabilized production rates have increased substantially from their 1st horizontal well to their 3rd horizontal well (403 Boe/d).
  
  It seems that they are beginning �crack the code� on their horizontal fracture stimulation design improvements as identified in their latest presentation.
• The stabilized production rate of 403 Boe/d for this 3rd well exceeds their targeted assumptions for well commerciality, from a production target of an IP rate of 250 Boe/d.
• Primary Petroleum�s currently drilling program is stratigraphically in line and south of the current horizontal wells been drilled by ROSE.

To get some further color on the information provide above by ROSE, you can listen to their live webcast tomorrow at 11:00am ET by clicking on the following link: http://ir.rosettaresources.com/eventdetail.cfm?eventid=108867

We hope you find the above informative.

Regards

PRIMARY PETROLEUM CORPORATION

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