Consolidated Financial Statements
(Expressed in thousands of Canadian dollars)
WESTPORT INNOVATIONS INC.
Years ended March 31, 2010, 2009 and 2008
AUDITORS’ REPORT TO THE SHAREHOLDERS
We have audited the consolidated balance sheets of Westport Innovations Inc. (the Company) as at
March 31, 2010 and 2009 and the consolidated statements of operations, comprehensive income
(loss), shareholders’ equity and cash flows for each of the years in the three-year period ended
March 31, 2010. These financial statements are the responsibility of the Company’s
management. Our responsibility is to express an opinion on these financial statements based on
We conducted our audits in accordance with Canadian generally accepted auditing standards and
the standards of the Public Company Accounting Oversight Board (United States). Those
standards require that we plan and perform an audit to obtain reasonable assurance whether the
financial statements are free of material misstatement. An audit includes examining, on a test
basis, evidence supporting the amounts and disclosures in the financial statements. An audit also
includes assessing the accounting principles used and significant estimates made by
management, as well as evaluating the overall financial statement presentation.
In our opinion, these consolidated financial statements present fairly, in all material respects, the
financial position of the Company as at March 31, 2010 and 2009 and the results of its operations
and its cash flows for each of the years in the three-year period ended March 31, 2010 in
accordance with Canadian generally accepted accounting principles.
We also have audited, in accordance with the standards of the Public Company Accounting
Oversight Board (United States), the Company’s internal control over financial reporting as of
March 31, 2010, based on the criteria est