OTTAWA, Ontario, December 1, 2005 –– March NetworksTM (TSX:MN; AIM:MNW), a leading provider of Internet Protocol (IP)-based digital video surveillance solutions, announced today that Union Pacific Railroad (UP) has selected Wabtec VideoTraxTM , powered by March Networks, for mobile digital video surveillance across their fleet of locomotives.

UP is the largest railroad in North America with more than 7000 locomotives and 87,000 freight cars. VideoTrax, a March Networks locomotive digital video recorder, will be used by UP to capture and monitor video of tracks that are traveled and the surroundings of those tracks. UP will also be using Wabtec’s VideoTrax to capture audio, such as horns and bells, and locomotive data, such as brake and throttle usage, in conjunction with the video capture.

“The combination of video, audio, and event data is important in assisting our customers with enhancing safety and improving operations,” said Robert Haag, vice president of programs for Wabtec Railway Electronics. “The March Networks mobile video solution complements Wabtec’s on-board solutions to meet our customer’s specifications.”

“March Networks is committed to offering the most advanced video solutions to innovative transportation companies throughout the world,” said Peter Strom, president and CEO of March Networks. “We are proud to have teamed with Wabtec to meet the needs of an industry leader like UP.”

About March Networks
March NetworksTM (TSX:MN; AIM:MNW) is a leading provider of innovative IP-based video applications used for security surveillance and monitoring. Our software and hardware solutions allow businesses to increase operational efficiencies, address risk, and manage assets with an integrated set of video-based intelligence tools that support enhanced decision-making. Today the ISO 9001:2000 certified company serves the needs of leading banks, retail organizations and transportation authorities in more than 40 countries throughout the world. For more information, please visit www.marchnetworks.com.

About Wabtec
Wabtec Corporation (www.wabtec.com) is one of North America’s largest providers of value-added, technology-based products and services for the rail industry. Wabtec Railway Electronics is a leading developer of electronic train control equipment and systems solutions, including event recording, end-of-train telemetry systems, wireless communications, electronic braking systems and GPS-based train control systems. The unit maintains engineering and development facilities in Germantown, Md. and Cedar Rapids, Iowa and is supported by a worldwide service organization.

Forward-Looking Statements
This release contains certain forward-looking information, including expectations of future business. This information is based on the company’s current expectations and assumptions that are subject to a variety of risks and uncertainties that are difficult to predict and that may be beyond March Networks’ control. Actual results could differ materially from those expressed in any forward-looking statements due to factors such as customer demand and timing of purchasing decisions, increased levels of competition, technological changes and the successful development of new products, dependence on third-party manufacturers, risks relating to intellectual property infringement claims, and other risks and factors identified in March Networks’ public filings with regulatory authorities in Canada. March Networks assumes no obligation to update these forward-looking statements as a result of new information or future events.


*MARCH NETWORKS and the MARCH NETWORKS logo are trademarks of March Networks Corporation. All other trademarks are the property of their respective owners.

FOR FURTHER INFORMATION, PLEASE CONTACT:
Anil Dilawri, March Networks Corporation
(613) 591-8181
e-mail: adilawri@marchnetworks.com