Sustainability Report

Welcome to our fifth sustainability report providing information on our economic, social and environmental performance impacts. Data from five fiscal years have been included to reflect trends, achievements and areas for improvement.

As a clean-technology company, our approach to sustainability encompasses more than compliance, risk management and philanthropy. Our natural gas engines move people and freight around the world and our corporate impact goes beyond the immediate communities where we live and work.

Our approach to sustainability has been driven by data and quantifiable measures but the story behind the numbers is even more compelling.

The Importance of the Global Reporting Initiative

The Global Reporting Initiative (GRI) provides a consistent means for companies to voluntarily report on the economic, social and environmental impacts of their business. The GRI’s 72 indicators and associated methodologies enable companies to facilitate decision-making and improve sustainability performance based on globally recognized indicators.

Perhaps one of the more significant advantages of the GRI is the ability to compare the performance of Westport to our OEM partners and competitors. We work with the largest engine and truck manufacturers in the world and are committed to transparency.

This report, prepared in accordance with the GRI Third Generation Guidelines (G3), discloses data from January 2011 to December 2011. Historical data from the past four fiscal years have been included for comparative purposes, where appropriate.

Westport has self-declared this report to correspond to application Level B in the six-level grid of the GRI G3 guidelines. Application Level B requires us to disclose our performance on at least twenty core economic, social and environmental indicators The GRI has not verified the contents of this report, nor does it take a position on the reliability of information reported herein. For further information about the GRI, visit globalreporting.org.

GRI: Sustainability Indicator Index

Economic Performance
EC1	Direct economic value generated and distributed	EC2	Financial implications and risks and opportunities of climate change
Social Performance (Human Rights, Labour Practices, Societal Impacts, and Product Responsibility)
HR3	Employee training on human rights	SO1	Nature, scope and effectiveness of programs to manage impact on communities
LA1	Total workforce by employment type, employment contract, and region	SO2	Percentage and total number of business units analyzed for risks related to corruption
LA3	Benefits provided to full-time, part-time and temporary employees	SO3	Percentage of employees trained on anti-corruption policies and procedures
LA6	Workforce represented in Occupational Health and Safety Committees	PR1	Life cycle stages: health and safety impacts of products—assessed for improvements
LA7	Rates of injury, occupational disease, lost days, and work-related fatalities	PR2	Total number of incidents of non-compliance with regulations and voluntary codes concerning health and safety impacts of products
Environmental Performance
EN3	Direct energy consumption by primary energy source	EN16	Total direct and indirect greenhouse gas emissions
EN4	Indirect energy consumption by primary source	EN18	Initiatives to reduce GHG emissions and reductions achieved
EN5	Energy saved due to conservation and efficiency efforts	EN22	Total amount of waste by type and disposal method
EN6	Initiatives to provide energy-efficient or renewable based products and reductions	EN23	Total number and volume of significant spills
EN7	Initiatives to reduce indirect energy consumption and reductions achieved	EN28	Value of fines and non-monetary sanctions for environmental non-compliance
EN8	Total water withdrawal by source

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AA1

We report on this indicator

BB2

We partially report on this indicator

Sustainability

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2011 Sustainability Report

March 9, 2012 :: 1 mb

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