VANCOUVER–(EMWNews)–Portrush Petroleum Corporation (TSX VENTURE:PSH) (OTCBB:PRRPF)

completed a 3D Seismic Survey in early May 2008 over its Waubuno

property in Moore (St. Clair) Township, Lambton County, Southwestern

Ontario and has received a favorable geophysical report and

interpretation from its consultants in Calgary.

A good Niagaran pinnacle reef anomaly is reported to lie within the

150-acre unit known as the Waubuno Prospect, which was spaced and pooled

by Portrush in 2005 and 2006. In 2007 the Portrush et al #1, Moore

5-13-III exploratory test was drilled and suspended after encountering

near reef geological conditions. This Well was drilled on limited 2D

Seismic data and the original interpreted anomaly is now considered as “side

swipe” to a pinnacle reef.

Several key maps and Seismic lines from the 3D survey are presented in

the Report to show an interpreted Niagaran Pinnacle Reef exists within

this 3D volume. The A² Carbonate time structure

map shows an A² structural high on the eastern

flank of a B Salt hole. This is the area thought to be most influenced

by the interpreted pinnacle reef, which underlies this time high. This

is further supported by an A² Salt map which

shows salt termination against the interpreted reef margin. An A¹

Carbonate amplitude map reveals a strong amplitude anomaly along the

western margin of the interpreted pinnacle reef. The A¹

Carbonate Sucrosic Dolomite porosity with an oil show encountered

in the Portrush et al #1, Moore 5-13-III suspended well was tied to the

Seismic. This porosity and aerial distribution of Dolomite is a strong

indication of reefing to the east. It also represents an added bonus of

a potential commercial oil leg existing in Lot 13, adjacent to the west

flank of a pinnacle reef in Lots 12 and 13, Concession III, Moore

Township.

A drill location to test the interpreted crestal position of a

postulated pinnacle reef has been surveyed. An application for a drill

permit for the Portrush et al #2, Moore 6-12-III was filed by Hadley

Resources Limited (Canada) with the Ministry of Natural Resources on

July 31, 2008

About Portrush Petroleum Corporation:

To find out more about Portrush Petroleum Corporation visit our website

at www.portrushpetroleum.com

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.

ON BEHALF OF THE BOARD

Mr. Martin Cotter, President & Director

The TSX Venture Exchange has not reviewed and does not accept

responsibility for the adequacy or accuracy of this release.

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