2021 Owens Corning Sustainability Report | Appendices | 363 TCFD INDEX Appendix H DISCLOSURE CHAPTER PA G E ADDITIONAL INFORMATION Describe the organization’s processes for identifying and assessing climate-related risks. Risk Management 57-61 TCFD Climate Risk 350-361 Describe the organization’s processes for managing climate- related risks. Risk Management 58-64 TCFD Climate Risk 350-361 Describe how processes for identifying, assessing and managing climate-related risks are integrated into the organization’s overall risk management. Risk Management 58-64 TCFD Climate Risk 350-361 Risk Management Disclose how the organization identifies, assesses, and manages climate-related risks. DISCLOSURE CHAPTER PA G E ADDITIONAL INFORMATION Disclose the metrics used by the organization to assess climate-related risks and opportunities in line with its strategy and risk management process. Reducing Environmental Footprint Section 136-198 Owens Corning discloses GHG, energy, water, waste, and air quality metrics in their respective chapters in the Reducing Environmental Footprint section of the report. We also discuss other metrics in our TCFD Climate Risk section. TCFD Climate Risk 350-361 Appendix C - Environmental Data 313-318 Disclose Scope 1, Scope 2 and, if appropriate, Scope 3 greenhouse gas emissions and the related risks. Combating Climate Change 147-151 Appendix C - Environmental Data 313-318 Detailed emissions data Describe the targets used by the organization to manage climate-related risks and opportunities and performance against targets. Reducing Environmental Footprint Section 136-198 Owens Corning discloses GHG, energy, water, waste, and air quality targets in their respective chapters in the Reducing Environmental Footprint section of the report, along with 2021 performance against those targets. Appendix C - Environmental Data 313-318 Detailed emissions data Describe the targets used by the organization to manage climate-related risks and opportunities and performance against targets. Reducing Environmental Footprint Section 136-198 Owens Corning discloses GHG, energy, water, waste, and air quality targets in their respective chapters in the Reducing Environmental Footprint section of the report, along with 2021 performance against those targets. Metrics & Targets Disclose the metrics and targets used to assess and manage relevant climate-related risks and opportunities where such information is material.