FOR IMMEDIATE RELEASE

OSI Geospatial to Attend the Undersea Defence Technology Conference

Vancouver, Canada - OSI Geospatial Inc. (TSX: OSI; OTCBB: OSIIF) announced today its subsidiary, Offshore Systems Ltd., will demonstrate its world-leading subsurface navigation technology at the Undersea Defence Technology conference from June 27 to 29 at the Congress Centrum (stand #146) in Hamburg, Germany. The show presents an unparalleled display, in both size and diversity, of the very latest in undersea defense technology.

The company's electronic chart navigation system for submarines, ECPINS®-W Sub, is one of the most advanced in the world and is fully compliant with NATO's Warship Electronic Chart Display and Information System standard - STANAG 4564. It has been installed or is under contract for installation on 32 submarines globally. The company is the first in its industry to develop advanced subsurface functionality for three navies, including the Royal Australian Navy, Canadian Navy, and the Royal Navy of the United Kingdom. Other customers that have deployed ECPINS®-W Sub include the navies of Norway, Portugal, and the United States.

For more information about the conference, please visit the UDT Europe 2006 website at www.udt-europe.com or visit Offshore Systems at stand #146.

About OSI Geospatial
OSI Geospatial Inc. delivers advanced systems and software to address the growing need for enhanced situational awareness in command, control, communications, and intelligence applications. By providing essential tactical and geospatial information, the company’s systems and software help decision-makers know the precise location of mission operations across all military forces while integrating information with allies. OSI Geospatial systems are in use by military, government, and commercial customers around the world. The company is publicly traded on the Toronto Stock Exchange (OSI) and the Over the Counter Bulletin Board (OSIIF). For additional information please visit www.osigeospatial.com.

Forward-Looking Statements
This news release contains items that constitute forward-looking statements within the meaning of securities laws including Section 27a of the Securities Act of 1933, as amended, and Section 21e of the Securities Exchange Act of 1934, as amended. These statements are made under the ‘safe harbor’ provisions of the Private Securities Litigation Reform Act of 1995 and, as such, involve known and unknown risks and uncertainties and other factors that may cause the actual results to be materially different from the results implied herein. OSI Geospatial can give no assurances that its representations will be achieved or that it will update them at any time in the future.