In January, Power-One announced that they had won a
Product of the Year Award from Electronic Products Magazine. It also maintains two of the largest
multi-level commuter rail car fleets in Canada and the United States
through its North American Services unit.

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(Nasdaq:PWER) announced that their Z-One(TM) Digital Intermediate Bus
Architecture (IBA) has won EDN Magazine's 2004 Innovation of the Year
Award.bombardier.MV.

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This open-architecture product provides customers with multiple-source
availability and the capability to utilize well-defined
industry-standard I2C bus protocols. Power -One
is one of the largest manufacturers of power conversion products in
the world and is listed in the S+P 500.

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----Power-One, Inc.

A) (TSX:BBD.

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"
Mr. Its revenues for the fiscal year ended Jan.B)

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About Bombardier

A world-leading manufacturer of innovative transportation
solutions, from regional aircraft and business jets to rail
transportation equipment, Bombardier Inc.
31, 2004 were $15.

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After
system initialization, ongoing communications between the Digital
Power Manager, Z-POL converters, and host system support intelligent
operation. or its
subsidiaries

BOMBARDIER TRANSPORTATION (TSX:BBD.

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This advanced architecture utilizes Power-One silicon and
intellectual property, with dozens of patent applications supported by
hundreds of claim elements . Production is expected to
extend from August 2005 to the second quarter of 2006.

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EDN announced the winners on March 7th, at their 15th annual
awards ceremony in San Francisco.

In North America, Bombardier Transportation is the leader in
intercity, commuter rail, automated rapid transit and automated
guideway transit systems.

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"
Z-One Digital IBA(TM) board-level power combines many innovative
operating concepts to achieve an unprecedented level of power-system
integration.

Bombardier Awarded a $21 Million Dollars US Order for BiLevel Commuter Rail Cars from Go Transit in Toronto

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News and information are available at
www.

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Business Editors/High-Tech Editors

CAMARILLO , Calif.
At system startup, this stored information is used to initialize
up to 32 programmable Z-Point-Of-Load (Z-POL(TM)) converters.

The GO Transit vehicles will be built at Bombardier's Thunder
Bay, Ontario, manufacturing facility.

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This is the second 2004
industry-publication award for this advanced board-level power
architecture. A multitude of parameters, such as output voltages ,
sequencing, and warning signal limits are user-programmed through a
graphical user interface , communicated through an I2C bus, and stored
in the Digital Power Manager.power-one.
The car's time-tested design offers great benefits whether you are an
established agency like GO Transit or a start-up operation like the
new commuter rail service now being developed in the state of New
Mexico ," Spurr added.

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Steve Goldman, Power-One's Chairman and CEO, commented, "I would
like to thank EDN for this prestigious award.

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Bombardier is
also responsible for the maintenance of GO Transit 's fleet of
commuter rail cars and locomotives.jsp

Bombardier and BiLevel are trademarks of Bombardier Inc.

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Developed to solve
complex power problems requiring many outputs and voltages, Z -One
Digital IBA is the first board-level power system to digitally
integrate power conversion and power management, providing up to a 90%
reduction in components, circuit-board traces, and development time.
Designed for requirements with a lower number of outputs and voltages,
our new "No-bus" Z-1000 POLs provide digital-power-management
capabilities without the need for external power managers , or
interfaces to dedicated-power-management or system-level buses.

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Significant customer advantages include digital power management for
free with no software or programming.

Please visit www . is a global corporation
headquartered in Canada.

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Goldman concluded, "Based on the recognition that we have
received for our initial Z-Series product offerings, we are very
excited about the potential for our latest product-line expansions.5 billion US and its shares are traded on the
Toronto Stock Exchange (BBD).com/photography.

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com for further information.

News Editors

MONTREAL----Bombardier
Transportation announced today that it received a firm order from the
Greater Toronto Transit Authority (GO Transit) for 10 additional
Bombardier BiLevel commuter rail vehicles. The order will add to GO
Transit's existing fleet of 385 Bombardier-built commuter railcars.

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Customers now have a full
complement of "Z" products to choose from -- the "No-bus" Z-1000 for
entry-level systems and the fully-featured Z-7000 for more complex
systems. Products are sold to
telecommunications and Internet service providers and equipment
manufacturers.
Valued at approximately $21 million US ($26 million Can), the contract
calls for the design, manufacture and delivery of the new commuter
vehicles. "It is a service-proven transit
solution that delivers unparalled reliability and cost efficiency,
along with some of the shortest delivery schedules in the industry.bombardier.com

NOTE TO EDITORS: A photo is available on our Website at the
following address:
http://www.SV .

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Power-One, with headquarters in Camarillo, CA, has
global sales offices and manufacturing and R +D operations in China,
Dominican Republic, Ireland, Norway, Slovakia, Switzerland, and the
United States.transportation.

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Power-One's Z-One Digital IBA Wins EDN Magazine's Innovation of the Year Award

"The BiLevel continues to be the most popular multi-level
commuter rail car in North America with more than 750 BiLevel cars in
operation with 11 public transit authorities across Canada and the
United States," said William Spurr, president, Bombardier
Transportation, North America.