SOURCE: Market Pulse

June 27, 2007 08:30 ET

Market Pulse Breaking News Alert for Wednesday, June 27, 2007: PEP -- Petrostar Petroleum Reports on Its Enhanced Oil Recovery Technology and Reviews Several Potential Acquisitions!

NOTE TO EDITORS: The Following Is an Investment Opinion Being Issued by Market Pulse.

ATLANTA, GA--(Marketwire - June 27, 2007) - Market Pulse News Alert for this AM, Stocks to Watch are: Petrostar Petroleum Corporation (TSX-V: PEP), Hoku Scientific Inc. (NASDAQ: HOKU), Ventana Medical Systems Inc. (NASDAQ: VMSI) and Dell Inc. (NASDAQ: DELL).

Investors need to be watching Petrostar Petroleum Corporation (TSX-V: PEP) this AM! Petrostar Petroleum Corporation is an independent government licensed Oil & Gas Operator focused on the development of existing and proven heavy and medium crude oil assets utilizing patented and patent pending Drilling and Recovery Systems and other proprietary technology to enhance oil recovery. Petrostar pursues a balanced strategy combining production and development of Enhanced Oil Recovery technologies. Petrostar has two EOR technologies (the Vertizontal Recovery System (VRS®) and Enhanced Recovery System (ERS -- Down Hole Tool < DHT >) that can be integrated with each other and to existing in-situ applications, allowing for maximum technological efficiencies. The VRS® has licensing opportunities for medium to larger sized projects that are well capitalized while the DHT has licensing opportunities for small to medium sized projects. Petrostar is 100% owner and operator of the 320-acre Maidstone Oil prospect located in Central Western Saskatchewan which includes the petroleum and natural gas rights. Currently, there are eight producing vertical wells on the Maidstone property. The company has initiated an aggressive $4 million work-over program to further develop the prospect and increase recovery volumes of the oil reserves and enhance the value of the prospect. The undiscounted cash flow for the project, based on constant oil price of $35 per barrel and capital investment in further developing the prospect of $4.0 million and project life of 30 years, is estimated at $41.5 million. Petrostar has added two horizontal wells with the approximate distance of 1,200 meters each into the reservoir and is initiating a pressure maintenance system. The initial production rate of the two horizontal wells is estimated at 250 to 300 barrels of oil per day. Petrostar also holds working interest in two leases located south of Calgary, Alberta. The Turner Valley Project and the Kew Field Oil and Gas Project are thought to be an extension of storied and prolific oil and gas field, having had historical production. Turner Valley has produced over 150 million barrels of oil and has dissipated over three trillion cubic feet of natural gas. In the process of completing the first three phases of testing the VRS®, the company has successfully tripled its production and expects production to increase significantly once phases 4 and 5 are completed. With oil futures maintaining its current price, advances Petrostar Petroleum Corporation has made in 2006 and will be making in 2007, the present and future of the company and its shareholders look very promising. Petrostar Petroleum Corporation is poised to become a significant player in the oil and gas exploration industry! Petrostar just had excellent news out in a press release before today's opening bell announcing it has awarded a contract to initiate its first Electric Tank Heater (ETH) prototype that will not only lower operating costs by reducing consumption of fossil fuels but also produce zero CO2 emissions! Investors need to go to the company's website www.petrostarpetroleum.ca and review this exciting technology! In other developments the company said it is currently reviewing several potential acquisitions! Investors should be watching this one closely!

Petrostar Petroleum Corporation (TSX-V: PEP) announces that it has finalized design changes to its enhanced oil recovery technology also known as the Down Hole Tool (DHT). Manufacturing of the first 2 of 8 production units has been initiated. The new DHT has enhanced components that have been incorporated from recent field testing that will add to the versatility and capabilities of the unit. Additionally the company has improved on the DHT unit's depth potential through implementation of a new cable configuration that allows for unit deployment to a depth of up to 5,000 feet. The new cable system will also improve on end user operational costs by eliminating the previously used expensive coil tube pigging and delivery method. The company will discuss deployment of the new generation DHT with a major oil field distributor to initiate testing in both light and heavy oil formations with other oil and gas companies.

The field testing of the DHT on Petrostar's well 15.6 is continuing and with the 600% production increase experienced on its previous test well, 9/6, the company is anticipating similar results and the possibility of a greater halo effect due to the 15/6 well situated in a more centralized position in the field and its higher formation elevation.

The company has also awarded Valex/Delpro of Delta, BC the contract to initiate its first Electric Tank Heater (ETH) prototype. The unit will be constructed to meet CSA approvals and forwarded to the Maidstone property for initial testing. The company is confident that upon successful field testing and CSA approval that the improved ETH will meet the Saskatchewan Industry & Resources (SIR) requirements as discussed with a SIR representative. CSA approval is a prerequisite to preparation of a formal presentation to SIR in regards to discussions for their endorsement of the ETH and distribution to the marketplace. As previously announced, the burner systems currently predominately in use emit potentially harmful CO2 emissions. Petrostar's improved ETH will not only lower operating costs by reducing consumption of fossil fuels but also produce ZERO CO2 EMISSIONS.

In other developments the Company is currently reviewing several potential acquisitions that should they be consummated will serve to further advance the DHT's potential under varying light and heavy oil formation environments.

More details of these technologies they are available on the Petrostar web site at www.petrostarpetroleum.ca.

Stocks in the news and acting well as of late include: Hoku Scientific Inc. (NASDAQ: HOKU), Ventana Medical Systems Inc. (NASDAQ: VMSI) and Dell Inc. (NASDAQ: DELL).

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