Conference Calls

Westport Fuel Systems Inc.

Acquisition Conference Call

10:00 AM

Westport Innovations (WPRT) will host a conference call at 10:00 AM, ET, on July 2, 2010, to discuss acquisition of OMVL . To access the live webcast, log on at www.westport.com/investor To hear the live call, dial 1-800-319-4610 (US) or 604-638-5340 (International). A replay of the call can be heard by dialing 1-800-319-6413 (US) or 604-638-9010 (International) with pass code 1847.