QRSciences to Present at Morgan Keegan Homeland Security Conference

May 23, 2008

MELBOURNE, Australia , May 23 /PRNewswire-FirstCall/ -- QRSciences Holdings Limited (QRSNY), (ASX: QRS), a leading developer of security technology products for governments and commercial clients worldwide with offices in Melbourne and San Diego , today announced that Managing Director Kevin Russeth , and CEO Rick Stokes , will present at the Morgan Keegan Homeland Security & Safety Technology Conference on May 28, 2008 .

Russeth said, "We believe that the company's largest market will be the US, both for its products and for its securities so it makes sense for us to have a bigger presence here. We look forward to our continued work with the United States , U.K. and Australian Government, and The US Transportation Security Administration (TSA) in the important area of security."

Russeth also said that QRS has agreed to acquire substantially all of the common shares of Diversified Opportunities, Inc, a US corporation whose shares trade on the Electronic Bulletin Board under the ticker symbol DVOP. The new company will house proprietary QRS technology assets as well as other technology, not all of which has yet been identified, and focus on building brand awareness, investor awareness and sales, Russeth added.

The Conference will be held at the Waldorf Astoria in New York, NY . The QRSciences presentation is scheduled for 4:00 p.m. EDT .

Additional information about Morgan Keegan and the conference is available at: http://www.morgankeegan.com/MK/Conferences/MKHLST2008_Welcome.htm

About QRSciences

QRSciences Holdings Limited is based in Melbourne , Victoria with offices in Perth , Western Australia and San Diego, California . Its wholly owned distribution business Q Video Systems is based in Port Melbourne, Australia . The primary commercial focus of the company is the design, development and sale of advanced technology systems, sub-systems, components and software for security related applications. Applications for its technologies and products include the detection of explosives and narcotics, metal detection and imaging, surveillance and monitoring.

For more information on the company please visit http://www.QRSciences.com or http://www.qcctv.com.au, phone +61 3 9681 9854 in Australia or +1 (858) 613 8755 in the United States .

Contact: Allen & Caron QRSciences Michael Mason Kevin Russeth 212-691-8087 [email protected] [email protected] Brian Kennedy (US Media) [email protected]

SOURCE QRSciences Holdings Limited

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