Westport Closes Offering of Common Shares and Announces Underwriters' Exercise of Over-Allotment Option for Approximately US$16 Million

Westport Innovations Inc. WPRT announced today the exercise in full of the underwriters' option to purchase an additional 907,500 common shares at a price of US$17.50 in connection with its previously announced offering of common shares in the United States and Canada. With the exercise of the option, under the offering, Westport issued a total of 6,957,500 common shares at a price of US$17.50 per share, for gross proceeds of US$121,756,250.