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Westport Completes HPDI Technology Program with Daimler AG

Westport HPDI 2.0 Meets Challenging Performance Targets

published: July 9, 2015

VANCOUVER, BC – Westport Innovations Inc. (TSX:WPT / NASDAQ:WPRT), engineering the world's most advanced natural gas engines and vehicles, announced today that it has completed an engineering program with Daimler AG to develop and assess Westport High Pressure Direct Injection (HPDI) system for a Daimler heavy duty engine. The prototype HPDI engine met all technical targets resulting in a payment of 2.4 million Euro (approximately $2.7 million USD) by Daimler to Westport. For competitive reasons, further terms of the program have not been disclosed.

About Westport™ HPDI 2.0

Westport™ HPDI 2.0 is the only natural gas technology capable of delivering performance and fuel economy equivalent to that of current high performance diesel-fueled engines, but with diesel substitution of over 90%. This combination of high performance and high efficiency is critical for heavy-duty engines in demanding commercial applications. In addition to delivering performance and fuel economy, Westport™ HPDI 2.0 is designed to meet the latest in stringent emission regulations, including Euro VI and EPA 2014.

About Westport Fuel Systems

At Westport Fuel Systems, we are driving innovation to power a cleaner tomorrow. We are inventors, engineers, manufacturers and suppliers of advanced clean fuel systems and components that can change the way the world moves. Our technology delivers performance, fuel efficiency and environmental benefits to address the challenges of global climate change and urban air quality. Headquartered in Vancouver, Canada, we serve our customers in more than 70 countries with leading global transportation brands. At Westport Fuel Systems, we think ahead. For more information, visit www.wfsinc.com.

More Information

Westport Fuel Systems
(Investor Inquiries)

Caroline Sawamoto

Manager, Investor Relations & Communications

T 604-718-2046

invest@wfsinc.com

www.wfsinc.com

Westport Fuel Systems
(Industrial & Automotive)

Angelique Berden

Manager, Marketing

automotive.marketing@wfsinc.com

www.wfsinc.com