2021 Owens Corning Sustainability Report | Reducing Our Environmental Footprint | Responsible Water | 167 RESPONSIBLE WATER SOURCING & CONSUMPTION In this chapter: ƒ 2030 GOALS ƒ OUR APPROACH ƒ INITIATIVES ƒ PERFORMANCE ƒ GOING FORWARD Owens Corning relies on high-quality water for our operations — at the same time, we recognize that people around the world do as well. We are dedicated to sourcing and using water wisely, as part of our overall commitment to reducing our environmental footprint. In addition, we will work to ensure our targets for water use address both our needs and the needs of the communities where we operate. By bringing our people’s talents and expertise together to use water responsibly, we can help create a more livable world for people everywhere. Our efforts to source and consume water responsibly align with these UN SDGs: Sustainability Materiality Definition: We are committed to using water in an intelligent, sustainable way across the company. We operate in a number of different regions across the world, some of which are in areas of higher water stress than others. Through reuse, recycling, and efficiency, we strive to consume less water in our operations. We also must understand where our water use is most impactful to set informed targets for water use reduction. The water data in this chapter were independently assured to a moderate level by SCS Global Services. For more information on the assurance process see About the Report, and for our verification statement please see Appendix F . For the data in this section, baseline adjustments were made following the World Resources Institute (WRI) protocols. Read more on page 291 in About the Report. Photo submitted by: Kristin Bell | Toledo, Ohio, U.S. Rocky Mountain State Park, Colorado, U.S.

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