Our Partnerships and Collaborations with Organizations/Governing Bodies MEMBER ONLY POSITION IN GOVERNANCE BODIES PARTICIPATES IN PROJECTS/ COMMITTEES PROVIDES SUBSTANTIVE FUNDS BEYOND ROUTINE MEMBERSHIP VIEWS RELATIONSHIP AS STRATEGIC COMMUNITIES Association of Corporate Citizenship Professionals ✔ ✔ ✔ CAF America ✔ ✔ ConnecToledo ✔ ✔ ✔ ✔ Freedom for You Foundation ✔ ✔ Gary Sinise Foundation ✔ ✔ ✔ Give2Asia ✔ ✔ Habitat for Humanity India ✔ ✔ ✔ Habitat for Humanity International ✔ ✔ ✔ Habitat for Humanity Singapore ✔ ✔ King Baudouin Foundation ✔ ✔ Local Habitat for Humanity Affiliates ✔ ✔ ✔ ✔ Marathon Classic (LPGA charitable tournament) ✔ ✔ ✔ Maumee Valley Habitat for Humanity ✔ ✔ ✔ ✔ Mexican Red Cross ✔ ✔ ✔ Mumbai Mobile Creche ✔ ✔ Neighborhood Industries ✔ ✔ Regional Growth Partnership – Northwest Ohio (RGP) ✔ ✔ ✔ Toledo Local Initiatives Support Corporation ✔ ✔ ✔ Toledo Metroparks Foundation ✔ ✔ ✔ ✔ Toledo Public School Foundation ✔ ✔ ✔ Truckers Against Trafficking ✔ United Way Greater Toledo ✔ ✔ ✔ ✔ United Way International/Worldwide ✔ ✔ ✔ United Way Mumbai ✔ ✔ ✔ Wildlife Habitat Council ✔ ✔ ✔ YWCA of NW Ohio ✔ ✔ ✔ GOVERNMENT DOE's Better Plants Program ✔ ✔ EPA’s ENERGY STAR ® ✔ ✔ EPA's Green Power Partnership ✔ National Institute for Standards and Technology ✔ ✔ ✔ GENERAL DISCLOSURES KEY PARTNERSHIPS Appendix D 2021 Owens Corning Sustainability Report | Appendices | 330

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