SOURCE: Portrush Petroleum Corporation

August 28, 2006 18:44 ET

Mission River Producing at a Rate of 3.2 Mmcf/D and 100 BOPD

VANCOUVER, BC -- (MARKET WIRE) -- August 28, 2006 -- Portrush Petroleum Corporation (TSX-V: PSH) (OTCBB: PRRPF) ( wishes to provide an update regarding its continuing operations on the Scanio/Shelton No.7 well in the Mission River property in Texas. The well was perforated on Wednesday last and is now producing 1.25 million cubic feet of gas and fifty-nine barrels of oil per day. The production rate has increased from 1.186 million cubic feet of gas and forty barrels of oil from the time the well was first placed on production late last week.

The Scanio Shelton #6 was drilled earlier this year and penetrated several hydrocarbon-bearing sandstones. The producing zone in well number six continues to produce at a rate of 1.7 million cubic feet of gas and forty barrels of condensate a day.

These productive zones are also present in the number seven well and a zone at approximately 8,400 feet has been perforated. Total production from the field is 3.2 million cubic feet of gas per day and just over one hundred barrels of oil/condensate per day.

The operator has already decided to proceed with a multi-well development program to develop the field and is in discussion with a drilling contractor to begin drilling.

For additional Portrush investor relations needs, investors are asked to visit the Portrush IR Hub at where they can post questions and receive answers within the same day, or simply review questions and answers posted by other investors. Alternatively, investors are able to e-mail all questions and correspondence to where they can also request addition to the investor e-mail list to receive all future press releases and updates in real time.

About Portrush Petroleum Corporation:

To find out more about Portrush Petroleum Corporation visit our website at or visit our Investor Relations site at

The statements made in this Press Release may contain forward-looking statements that may involve a number of risks and uncertainties. Actual events or results could differ materially from the Company's expectations and projections. The TSX Venture Exchange has not reviewed this press release and neither approved nor disapproved the information contained in this press release.


Mr. Martin Cotter, President & Director

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