of Salt Lake City, Utah."
Based on industry data and market studies , OSI estimates the North
American mapping market (both land and marine) is approximately US$500 million
annually.

OSI and the North American Mapping Market:

The US$500 million annual North American geomatics market is being driven
by new technologies and growing demand for up-to -date precision mapping
products and services for civilian applications.

Business Editors/High -Tech Editors

COSTA MESA, Calif. AeA is the nation's largest high-tech trade association.
DMP has more than 100 successful deployments in Southern
California with clients such as Centex Homes , Southern California MLS,
Young Homes, Fieldstone Communities, The City of San Clemente and The
City of Dana Point.

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"Combined, we offer close to 200 years of
technical and management experience, a substantial customer base, an extensive
product and service offering, and a track record of positive revenues and
profitability.aeanet. 101 or at marilyn_reynolds@aeanet.

verified longitudes

TSX: OSI / OTCBB: OFSYF

VANCOUVER, March 10 - Offshore Systems
International Ltd.
Under the terms of the agreement , OSI will purchase all of the shares of
Mapcon from its shareholders for cash of US$950,000 and the issuance of
US$50,000 in common shares of OSI at market price.org

xpeditions integer

Although Offshore Systems International believes the
expectations reflected in such forward-looking statements are based on
reasonable assumptions, it can give no assurances that its expectations will
be achieved. "To be honored by our peers is a great
achievement and demonstrates DMP's commitment towards innovation
leadership in the geospatial software market.

dependencies latitudes

Population growth, with its attendant infrastructure needs, is a key driver of
geomatics demand, including for precision land-based mapping products and
services.

About Offshore Systems International Ltd. Estimates based on independent market
research indicate US$400 million is spent each year for high-performance
geographic displays within the global command and control market.

Forward-Looking Statements:

This news release contains discussion of items that may 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, with respect to achieving
corporate objectives , developing additional project interests, OSI's analysis
of opportunities in the acquisition and development of various project
interests and other matters. For
more information, visit www.

secessionist confluence

" The two entities also already have a well established business
relationship, having successfully partnered on several previous projects.
"It's important to OSI's future growth to obtain a foothold in the U.
OSI is pursuing high-growth opportunities in national defence and
homeland security with its Common Operational Picture (COP) product line in
response to emerging requirements for geospatial intelligence capabilities in
command and control applications.
The Company's core competency is electronic geography and the production,
management and display of many forms of geographic data .----Digital Map
Products (DMP) today announced it has been selected as a finalist for
the Twelfth Annual High-Tech awards hosted by the AeA Orange County
Council.
"We are extremely pleased to be selected as a finalist in AeA's
innovation category," said Steve Stautzenbach, DMP's vice president of
sales and marketing. More information about
DMP can be found at http://www.com

About AeA

AeA, founded in 1943, is a nationwide trade association that
represents all segments of the technology industry and is dedicated
solely to helping our members' top line and bottom line . We do this in
partnership with our small, medium, and large member companies by
lobbying governments at the state, federal, and international levels,
providing access to capital and business opportunities , and offering
select business services and networking programs.

visualize geosource

The purchase is subject to
a number of conditions, including the execution of a definitive agreement. These statements are made under the 'safe
harbour' 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. where DMP enhances their product
solutions with dynamic aerial mapping bringing access to data on
target properties.

infoplease statoids

"This is a strategic opportunity to enhance and grow our position in the
fast-growing U.S. The Company provides
display systems and data for several defence, government and commercial
customers, and conducts its operations through three business units: OSI
Navigation Systems (moving map display systems and software), OSI Applications
(situational awareness products and services for command and control systems)
and OSI Geomatics (digital map and electronic chart data production services:
land and marine).org

About Digital Map Products

With headquarters in Costa Mesa, Digital Map Products (DMP) is a
privately held company founded in 1996 to provide map-enabled software
applications and next -generation geo-spatial systems to a wide variety
of industries including government, building, land development, real
estate, public works and utilities. DMP is servicing these markets by
combining the power of GIS technology with the accessibility and
convenience of Internet access to create finished product solutions.

geographers dependencies

The Company has built a sales and marketing team to pursue both
prime and subcontracting roles in geomatics work with city, county and other
government agencies, military departments, agriculture and forestry
industries, pipelines and utilities.

ephemeral geosource

"
"AeA Orange County Council is impressed with the unique qualities
of DMP's technology and business model, and we are pleased to
recognize DMP as one of Orange County's elite high-tech companies,"
added Phil Beaudoin, executive director , AeA Orange County Council.

goettingen superlatives

Mapcon will be well situated to grow market share, as Utah currently
ranks third highest for population growth rate in the United States. "With the purchase of Mapcon Mapping , I am very pleased to be
accelerating our Company's strategic expansion."
The Company's Geomatics business unit represented approximately
22 per cent of OSI's revenue in fiscal 2004. Customers include the US Coast
Guard, National Oceanic and Atmospheric Administration, city/county/state
governments , and engineering companies.

geomatics footnotes

"Mapcon represents an excellent strategic fit with OSI's Geomatics
business unit," said Jacobson.

verified ephemeral

,"
said Jacobson.com for more information and the
latest Company updates. Factors that could cause actual results to differ from
expectations include the effects of general economic conditions, changing
foreign exchange rates, actions by government authorities , uncertainties
associated with contract negotiations, and industry supply.
Developed for government agencies, utilities, real estate developers
and other organizations that rely on geographic information , CityGIS5
is the leading Web-hosted solution for enterprisewide deployment of an
organization 's maps and data.aeanet.

Focus of this category is on the theory, methods, and practice of geography and geographic education.

confluence geomatics

market," said John Jacobson, OSI president and CEO.

dependencies capitals

:

Offshore Systems International Ltd. The Company
also anticipates expanding opportunities for its navigation systems in
warships, submarines, new ship-building programs, specialty craft and
non-combatant vessels .

dowling visualize

The
transaction is expected to close within thirty days. The Company is fleet
supplier to six NATO navies and their close allies, and its ECPINS(R)
(Electronic Chart Precise Integrated Navigation System) product line is
installed or under contract for installation on more than 340 major warships
worldwide. OSI's common shares are listed for trading on the Toronto
Stock Exchange (TSX: OSI ) and the OTC Bulletin Board (OTCBB: OFSYF). DMP's solution results in minimal overhead, rapid
deployment , ease-of-use, and high performance.

xpeditions intersections

Winners of the AeA High-Tech Awards 2005 will be announced at an
awards ceremony held at the Jewish Community Center of Orange County
on the Samueli Jewish Campus in Irvine on Wednesday, April 20.

visualize geography

The issuance of the
shares by OSI to the Mapcon shareholders is subject to acceptance by the TSX.

footnotes dependencies

S. The company recently announced partnerships with
DataQuick and United Title Co.org or contact Marilyn Reynolds at
949-477-5300, ext.

confluence intersections

OSI Geomatics products and services
include: field surveying, aerial photography, photo scanning, aerial
triangulation , data capture, orthophoto production, map finishing, digitizing,
process/coding, quality control , GIS applications, project management and
consulting.

geographers cartography

geomatics (digital map and
electronic chart data production) market.

longitudes dowling

Offshore Systems International to purchase Mapcon Mapping Consultants

dowling footnotes

osil.

Digital Map Products Recognized as Finalist for AeA Orange County 2005 High-Tech Awards

DMP , a developer of high-performance Internet-hosted mapping
applications, was named a finalist in the Innovative
Product/Technology category for its flagship product, CityGIS5(TM).
DMP's products are built on the DigitalMapCentral platform, a flexible
high-performance mapping application development platform in a hosted
environment. For more
information, please visit www.

geosource longitudes

(TSX: OSI/ OTCBB: OFSYF ) announced today it has entered
into an agreement to purchase all of the issued and outstanding shares of
Mapcon Mapping Consultants Inc. "It
represents a significant step forward for our Company.

Please visit OSI's website at http://www.

visualize superlatives

Mapcon is a land
mapping company with a solid position in the U. OSI has 20 years of
experience in producing precise and standardized marine chart data products
and has expanded its capability to include digital land map data production
services . (OSI) is a pioneer in geospatial
intelligence and a world-leading fleet supplier of electronic chart systems
and software for navigation and situational awareness. The
High-Tech Awards honor outstanding local technology companies and
acknowledge individual contributions to the local high-tech business
community.
Sponsors of the event are Deloitte; Marsh, Fragomen, Del Rey, Bernsen
+ Loewy; Silicon Valley Bank and Stradling Yocca Carlson + Rauth.digitalmapproducts.