Westport Announces First Quarter Fiscal 2013 Conference Call for Thursday, May 2, 2013

Westport Announces First Quarter Fiscal 2013 Conference Call for Thursday, May
                                   2, 2013

PR Newswire

VANCOUVER, April 25, 2013

VANCOUVER, April 25, 2013 /PRNewswire/ - Westport Innovations Inc. (TSX:WPT /
NASDAQ:WPRT), the global leader in natural gas engines, announced today that
it will disclose its financial results for the first quarter ended March 31,
2013 on Thursday, May 2, 2013 after market close. To coincide with the
disclosure, Westport has also scheduled a conference call for Thursday, May 2,
2013 at 2:00 pm Pacific Time (5:00 pm Eastern Time).

Live Conference Call & Webcast
The public is invited to listen to the conference call in real time by
telephone or webcast. To access the conference call by telephone, please dial:
1-800-319-4610 (Canada & USA toll-free) or 604-638-5340. The live webcast of
the conference call can be accessed through the Westport website at

Replay Conference Call & Webcast
To access the conference call replay, please dial 1-800-319-6413 (Canada & USA
toll-free) or 604-638-9010 using the pass code 1847. The replay will be
available until May 9, 2013. Shortly after the conference call, the webcast
will be archived on the Westport's website and replay will be available in
streaming audio.

About Westport Innovations Inc.
Westport Innovations Inc. is a leading global supplier of proprietary
solutions that allow engines to operate on clean-burning fuels such as
compressed natural gas (CNG), liquefied natural gas (LNG), hydrogen, and
renewable natural gas (RNG) fuels such as landfill gas and helps reduce
greenhouse gas emissions (GHG). Westport technology offers advanced LNG
fueling systems with direct injection natural gas engine technology for
heavy-duty vehicles such as highway trucks and off-road applications such as
mining and rail. Westport's joint venture with Cummins Inc., Cummins Westport
Inc., designs, engineers and markets spark-ignited natural gas engines for
medium- and heavy-duty transportation applications such as trucks and buses.
Westport is also one of the global leaders for natural gas and liquefied
petroleum gas (LPG) fuel system technology, design, and components in
passenger cars, light-duty trucks and industrial applications such as
forklifts. To learn more about our business, visit our website or subscribe to
our RSS feed at www.westport.com, or follow us on Twitter @WestportDotCom.

SOURCE Westport Innovations Inc.


Darren Seed
Vice President, Investor Relations & Communications
Westport Innovations Inc.
Phone: 604-718-2046
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