MEMBER ONLY POSITION IN GOVERNANCE BODIES PARTICIPATES IN PROJECTS/ COMMITTEES PROVIDES SUBSTANTIVE FUNDS BEYOND ROUTINE MEMBERSHIP VIEWS RELATIONSHIP AS STRATEGIC The International Glassfibre Reinforced Concrete Association ✔ ✔ ✔ The International Union of Laboratories and Experts in Construction Materials, Systems and Structures ✔ ✔ BRAZIL / LA Bradesco Pension Fund Administration ✔ Committee on the Hydrographic Basins of Piraciacaba, Capivari and Jundiai Rivers ✔ ✔ Composites Materials Latin American Association ✔ ✔ ✔ Glass Industry Federal Union ✔ ✔ Human Resources Association ✔ ✔ National Glass Industry Association ✔ ✔ ✔ State of São Paulo Industry Association ✔ ✔ CANADA Architectural Institute of British Columbia ✔ ✔ ✔ British Columbia Building Envelope Council ✔ ✔ ✔ Canadian Association of Consulting Energy Advisors ✔ ✔ ✔ Canadian Green Building Council ✔ ✔ ✔ Canadian Home Builders Association ✔ ✔ ✔ ✔ Canadian Roofing Contractors Association ✔ ✔ ✔ Chemistry Industry Association of Canada ✔ ✔ ✔ Construction Specifications Canada ✔ ✔ ✔ Ecohabitation ✔ ✔ ✔ EnerQuality ✔ ✔ ✔ ✔ Metal Cladding Contractors Association (Quebec) ✔ ✔ ✔ National Resource Council Canada (NRC) ✔ ✔ National Resources Canada ✔ ✔ ✔ North American Insulation Manufacturers Association ✔ ✔ ✔ ✔ ✔ Passive House Institute Canada ✔ ✔ ✔ Quebec Building Envelope Council ✔ ✔ ✔ ✔ Quebec Construction Association ✔ ✔ ✔ Quebec Home Builders Association ✔ ✔ ✔ Quebec Insulation Association ✔ ✔ ✔ Royal Architecture Institute of Canada ✔ ✔ ✔ Underwriters Laboratories of Canada ✔ ✔ ✔ ✔ GENERAL DISCLOSURES KEY PARTNERSHIPS Appendix D 2021 Owens Corning Sustainability Report | Appendices | 336