Kevin Douglas Announces Acquisition of Additional Common Shares of Westport Innovations Inc.

LARKSPUR, CA, July 16, 2012 /CNW/ - Kevin Douglas of 125 E. Sir Francis Drake Blvd., Suite 400, Larkspur, California, 94939, has announced today that he acquired, through and on behalf of K&M Douglas Trust, Douglas Family Trust, James E. Douglas III, and Douglas Irrevocable Descendants Trust, 1,353,800 common shares of Westport Innovations Inc. ("Westport"), bringing the total holdings in Westport to 9,829,867 common shares or approximately 17.89% of the total common shares outstanding.  The shares were purchased on the NASDAQ at the price of USD $39.95 per share, being Cdn. $40.74 per share (based on the close of business exchange rate of 1.0198 per Bloomberg for July 11, 2012).  The shares were acquired in the ordinary course of the entities' investment activities.  Kevin Douglas, through and on behalf of the four entities, may purchase or sell securities of Westport in the future on the open market or in private transactions, depending on market conditions and other factors material to their investment decisions.

Tim McGaw at [phone] or [email protected]