2021 Owens Corning Sustainability Report | Expanding Our Product Handprint | Supply Chain Sustainability | 131 of their own code of conduct. 98% of respondent suppliers say they meet the standards set by our Supplier Code of Conduct. + When training buyers or professionals responsible for making decisions regarding the selection of suppliers or the awarding of business, the information gained from the sustainability survey is always stressed as an important element in the final decision. As part of our due diligence, Owens Corning also uses these assessments to identify and gauge impacts and risks as they relate to our suppliers’ commitment to human rights. Suppliers are asked whether they have policies in place regarding human trafficking, forced labor, child labor, and anti-discrimination. In addition, we ask suppliers whether they employ migrant workers in their operations. Corrective Actions Owens Corning uses an industry- standard process when corrective actions need to be taken with our suppliers. This process includes the following: ■ Short-term action and containment plan. ■ Root cause analysis. ■ Identification and verification of long-term corrective actions. ■ Implementation of long-term corrective action. ■ Final verification and sign-off by stakeholders. We typically deliver our written request for corrective action during supplier assessments and upon receipt of nonconforming material. In addition, we may ask suppliers to provide additional inspection data with a shipment, showing actual measurements for critical characteristics, as well as signoffs from management at supplier locations. Areas of Human Rights Concern As part of our overall commitment to supply chain sustainability, Owens Corning is taking steps to manage known risks that may exist among our suppliers. Our goal is to mitigate these risks wherever possible through proactive measures and consistent monitoring. Sand Mining Owens Corning requires sand as part of our manufacturing operations; as such, we have a vested interest in ensuring a sustainable, responsible supply chain for this essential material. We continue to monitor our sand mining suppliers for environmental and human rights conduct, as this industry has been identified as a risk due to increased sand consumption around the world. In 2021, our sand consumption was approximately 841,276 metric tons, with nearly 62% coming from North America. Glass production requires a high grade of sand, which generally comes from mines and quarries rather than riverbeds or shorelines. We are confident in the integrity and continuity of our sand supply base. In addition, our commitment to glass recycling can help reduce our reliance on sand in the production of fiberglass insulation. Conflict Minerals Owens Corning does not tolerate the use of raw materials that directly or indirectly contribute to armed conflict or human rights abuses in any of its products. We follow the U.S. Securities and Exchange Commission guidelines in disclosing any use of conflict minerals and in conducting reasonable country-of-origin inquiries as required by those guidelines. We also follow the Organisation for Economic Co-Operation and Development (OECD) Due Diligence Guidance for Responsible Supply Chains of Minerals from Conflict-Affected and High-Risk Areas. Suppliers are expected to have a policy in place to address the responsible procurement of minerals. They are also expected to train appropriate personnel on this policy, implement a risk assessment (supply chain mapping) of all conflict mineral sources, and develop an appropriate risk mitigation strategy for suppliers identified as “high-risk” in the supply chain mapping exercise. Owens Corning encourages the supplier to verify the due diligence practices of their suppliers regarding conflict minerals. They are also urged to join or build partnerships with industry organizations that implement due diligence in the mineral supply chain. We continue to monitor our sand mining suppliers for environmental and human rights conduct, as this industry has been identified as a risk due to increased sand consumption around the world.