2021 Owens Corning Sustainability Report | Appendices | 362 TCFD INDEX Appendix H DISCLOSURE CHAPTER PA G E ADDITIONAL INFORMATION Describe the board’s oversight of climate-related risks and opportunities.  Board Leadership 53 See Management Oversight of Sustainability Risk Management 58 Describe management’s role in assessing and managing climate- related risks and opportunities.  Board Leadership 53 See Management Oversight of Sustainability Risk Management 58-64 Combating Climate Change 147-151 Strategy and Approach Governance Disclose the organization’s governance around climate-related risks and opportunities. DISCLOSURE CHAPTER PA G E ADDITIONAL INFORMATION Describe the climate-related risks and opportunities the organization has identified over the short, medium, and long term. Risk Management 61-64 Summary of Key Risks Combating Climate Change 146-150 Strategy and Approach TCFD Climate Risk 350-361 Describe the impact of climate- related risks and opportunities on the organization’s businesses, strategy, and financial planning. Risk Management 58-64 TCFD Climate Risk 350-361 Describe the resilience of the organization’s strategy, taking into consideration different climate- related scenarios, including a 2°C or lower scenario. Message from Our CEO and CSO 4-5 Combating Climate Change 147-151 TCFD Climate Risk 350-361 Strategy Disclose the actual and potential impacts of climate-related risks and opportunities on the organization’s businesses, strategy, and financial planning where such information is material.