Sustainability at Owens Corning 2013 Highlights
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COMMITMENT TO SUSTAINABILITY* Our people and products make the world a better place. That simple and powerful purpose defines Owens Corning today, as well as the company we are building for the future. The people of Owens Corning are committed to expanding our impact through sustainability to deliver on this purpose. Our commitment to sustainability starts with the Board of Directors and runs through the management teams and employees around the globe. We are proud of our accomplishments this past year to further reduce our environmental footprint. But, footprint reduction alone doesn’t define our values. We have initiated the exciting work of understanding, measuring and expanding our handprint – creating a netpositive impact of our company and its products. Our 2013 Sustainability Report is a record of our achievements. It also includes candid acknowledgment that much more is needed to achieve our aspiration of expanding our impact through sustainability. Our progress is embedded across all aspects of our company and some of our highlights are below: Safety • Awarded the Green Cross for Safety medal from the National Safety Council for leadership and progress in safety. • Extended our industry-leading track record of safety achievement with performance comparable to 2012. • Expanded our aspiration in safety beyond accident prevention to “Living Safely.” Operations Sustainability • Continued progress toward meeting our ambitious 2020 environmental footprint goals. • Commissioned the largest on-site solar PV system in the state of New York at our Delmar EcoTouch® Insulation plant. Product Sustainability • Published our FOAMULAR® Insulation Environmental Product Declaration • Recycled one million tons of asphalt shingles in North America, representing approximately 10 percent of the market. Supply Chain Sustainability • Doubled our freight miles driven on natural gas (converted from diesel), paving the way to run 15% Natural Gas Miles in 2014; our goal is 50 percent by 2020. Climate Advocacy • Signed the Climate Declaration calling on the U.S. policymakers to address climate change and joined the Business for Innovative Climate & Energy Policy (BICEP) advocacy organization. Strategic Philanthropy • Assisted nearly 4,000 families through the donation of insulation and roofing materials for their homes. • Impacted the lives of more than 5,500 children in China by constructing nutritional food kitchens in rural schools. Thank you for your continued interest in Owens Corning and our sustainability journey. Our commitment to expanding our impact through sustainability is unwavering and we welcome your comments on the progress we are making at: Sustainability@owenscorning.com. Frank O’Brien-Bernini Vice President, Chief Sustainability Officer Mike Thaman Chairman and Chief Executive Officer *The following is an abridged version of our full sustainability executive letter. You can read the entire letter at: http://sustainability.owenscorning.com/contents/commitment/A-Message-from-Our-CEO-CSO/ Economic $ (in millions) Sales United States Europe Asia Pacific Canada and Other Cost of Sales Science and Technology (R&D) Expenses Cash Paid for Income Taxes Purchases of Treasury Stock Cash Paid for Interest Significant Environmental Actions (Note 1) Cost of Significant Environmental Actions ($000) Additions to Plant and Equipment Cash Giving Total Assets Long-term Debt Total Equity Social Employees (no of permanent personnel in thousands) Asia Pacific Europe Latin America North America Turnover Rate Female Employees Officers Managers Staff Primary Health & Safety Recordable Injury & Illness Rate (RIR) Lost Workday Injury Rate (LWIR) Fatalities Environmental Air Emissions Greenhouse Gases (millions of metric tons per year) Particulate Matter 2.5 (thousands of metric tons per year) Toxic Air Emissions (metric tons per year) Consumption of Natural Resources Consumed Energy (millions of MwH) Water (millions of cubic meters) Non-Hazardous Waste Waste to Landfill (thousands of metric tons per year) Environmental Compliance Note 1: Significant Environmental Actions are defined by the total cost of fines, capital expenditures, etc. equal to $100M or greater. Visit http://sustainability.owenscorning.com for the full 2013 report. OWENS CORNING ONE OWENS CORNING PARKWAY TOLEDO, OHIO, USA 43659 1-800-GET-PINK Pub. No. 10019224-A. Printed in U.S.A. October 2014. THE PINK PANTHER™ & © 1964 – 2014 Metro-Goldwyn-Mayer Studios Inc. All Rights Reserved. The color PINK is a registered trademark of Owens Corning. © 2014 Owens Corning. All Rights Reserved.

OUR ENVIRONMENTAL FOOTPRINT Sustainability We are striving to be a net-positive company that meets the needs of the present without compromising the world that we leave to the future. CORPORATE CITIZENSHIP Owens Corning is committed to shrinking its environmental footprint through continuous reduction of resource use and environmental emissions from its operations. In 2012, we successfully met all seven of our first 10-year environmental footprint goals. We have now transitioned toward achieving our ambitious 2020 goals, focused on six key aspects: Every day, our employees are living our...