We invest in each of these cornerstones and view them as inextricably linked. Progress toward this goal is measured at the Business Unit and regional levels, and progress toward zero recordable injuries is communicated globally and linked to a number of recognition mechanisms. GRI 301: Materials 301–1 Materials used by weight or volume About Avient—What We Do: Materials Science Page 12 Avient 2023 Annual Report—Form 10-K Page 3 301–2 Recycled input materials used Products—How Our Products Enable Sustainability Page 40 301–3 Reclaimed products and their packaging materials Products—How Our Products Enable Sustainability Page 40 HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2023 83 https://www.avient.com/contact-us-now GRI 302: Energy 103–1, 2 and 3 Management approach—GRI 103 Planet—Protecting Our Planet; Climate Change Pages 52–53 302–1 Energy consumption within the organization Planet—Protecting Our Planet; Climate Change Pages 52–53 302–2 Energy consumption outside of the organization Planet—Protecting Our Planet; Climate Change Pages 52–53 302–3 Energy intensity Metrics—Planet Data and Metrics Page 76 Our energy intensity evaluates all energy usage within the organization. 302–4 Reduction of energy consumption Planet—Protecting Our Planet; Climate Change Pages 52–53 302–5 Reductions in energy requirements of products and services Products—How Our Products Enable Sustainability Page 40 GRI 303: Water and Effluents 303–1 Interactions with water as a shared resource Planet—Water Stewardship Pages 60 303–3 Water withdrawal Planet—Water Stewardship Pages 60 Metrics—Planet Data and Metrics Page 78 GRI 305: Emissions 103–1, 2 and 3 Management approach—GRI 103 Planet—Protecting Our Planet; Climate Change Pages 52, 53-54 305–1 Direct (Scope 1) GHG emissions Planet—Protecting Our Planet; Climate Change Pages 52, 53-54 305–2 Energy indirect (Scope 2) GHG emissions Planet—Protecting Our Planet; Climate Change Pages 52, 53-54 305–3 Other indirect (Scope 3) GHG emissions Planet—Protecting Our Planet; Climate Change Pages 52, 53-54 305–4 GHG emissions intensity Planet—Protecting Our Planet; Climate Change Pages 52, 53-54 305–5 Reduction of GHG emissions Planet—Protecting Our Planet; Climate Change Pages 52, 53-54 305–7 Nitrogen oxides (NOX), sulfur oxides (SOX), and other significant air emissions Planet—Conventional Air Emissions Page 61 HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2023 84 GRI 306: Waste 103–1, 2 and 3 Management approach—GRI 103 Planet—Waste: All Sections Pages 57-58 306–1 Waste generation and significant waste-related impacts Planet—Waste: All Sections Pages 57-58 306–2 Management of significant waste-related impacts Planet—Waste: All Sections Pages 57-58 306–3 Waste generated Planet—Waste: All Sections Pages 57-58 306–4 Waste diverted from disposal Planet—Waste: All Sections Pages 57-58 306–5 Waste directed to disposal Planet—Waste: All Sections Pages 57-58 GRI 307: Environmental Compliance Products—Product Stewardship Page 45 Planet—Protecting Our Planet Page 52 Avient 2023 Annual Report—Form 10-K Pages 6–7 307–1 Non-compliance with environmental laws and regulations Products—Product Stewardship Page 45 Avient 2023 Annual Report—Form 10-K Pages 6–7 GRI 308: Supplier Environmental Assessment 308–1 New suppliers that were screened using environmental criteria Products—Product Stewardship Page 45 308–2 Negative environmental impacts in the supply chain and actions taken Products—Product Stewardship Page 45 GRI 401: Employment 103–1, 2 and 3 Management approach—GRI 103 People—Training and Development; Diversity & Inclusion Pages 23, 24 401–1 New employee hires and employee turnover People—Workforce Demographics Page 28 We hired 988 new associates in 2023 401–2 Benefits provided to full-time employees that are not provided to temporary or part-time employees People—Associate Benefits / Awards and Recognition Program; Health and Wellness Pages 27, 30 401–3 Parental leave People—Health and Wellness Page 30 HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2023 85 GRI 403: Occupational Health & Safety Avient 2023 Annual Report—Form 10-K Pages 5–7 Avient’s Human Rights Policy 403–1 Occupational health and safety management system Avient 2023 Annual Report—Form 10-K Pages 5–7 People—Occupational Safety & Health Page 20 403–2 Hazard identification, risk assessment, and incident investigation People—Environmental, Health & Safety Page 18 403–3 Occupational health services People—Occupational Safety & Health Page 20 403–4 Worker participation, consultation, and communication on occupational health and safety 403–5 Worker training on occupational health and safety People—Environmental, Health & Safety; People—Training and Development Pages 18, 23 403–6 Promotion of worker health People—Occupational Safety & Health; Health and Wellness Pages 20, 30 403–7 Prevention and mitigation of occupational health and safety impacts directly linked by business relationships Products—Product Stewardship; Products—Supplier Collaboration Pages 45, 48 Avient 2023 Annual Report—Form 10-K Pages 5–7 403–8 Workers covered by an occupational health and safety management system 403–9 Work-related injuries 403–10 Work-related ill health People—Environmental, Health & Safety Page 18 GRI 404: Training & Education 10–1, 2 and 3 Management approach—GRI 103 People—Training and Development Page 23 404–1 Average hours of training per year per employee People—Training and Development; Career Training and Performance Feedback Pages 23, 31 In 2023, associates received 197,471 hours of training through a variety of delivery methods.

We invest in each of these cornerstones and view them as inextricably linked. Progress toward this goal is measured at the Business Unit and regional levels, and progress toward zero recordable injuries is communicated globally and linked to a number of recognition mechanisms. GRI 301: Materials 301–1 Materials used by weight or volume About Avient—What We Do: Materials Science Page 12 Avient 2023 Annual Report—Form 10-K Page 3 301–2 Recycled input materials used Products—How Our Products Enable Sustainability Page 40 301–3 Reclaimed products and their packaging materials Products—How Our Products Enable Sustainability Page 40 HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2023 83 https://www.avient.com/contact-us-now GRI 302: Energy 103–1, 2 and 3 Management approach—GRI 103 Planet—Protecting Our Planet; Climate Change Pages 52–53 302–1 Energy consumption within the organization Planet—Protecting Our Planet; Climate Change Pages 52–53 302–2 Energy consumption outside of the organization Planet—Protecting Our Planet; Climate Change Pages 52–53 302–3 Energy intensity Metrics—Planet Data and Metrics Page 76 Our energy intensity evaluates all energy usage within the organization. 302–4 Reduction of energy consumption Planet—Protecting Our Planet; Climate Change Pages 52–53 302–5 Reductions in energy requirements of products and services Products—How Our Products Enable Sustainability Page 40 GRI 303: Water and Effluents 303–1 Interactions with water as a shared resource Planet—Water Stewardship Pages 60 303–3 Water withdrawal Planet—Water Stewardship Pages 60 Metrics—Planet Data and Metrics Page 78 GRI 305: Emissions 103–1, 2 and 3 Management approach—GRI 103 Planet—Protecting Our Planet; Climate Change Pages 52, 53-54 305–1 Direct (Scope 1) GHG emissions Planet—Protecting Our Planet; Climate Change Pages 52, 53-54 305–2 Energy indirect (Scope 2) GHG emissions Planet—Protecting Our Planet; Climate Change Pages 52, 53-54 305–3 Other indirect (Scope 3) GHG emissions Planet—Protecting Our Planet; Climate Change Pages 52, 53-54 305–4 GHG emissions intensity Planet—Protecting Our Planet; Climate Change Pages 52, 53-54 305–5 Reduction of GHG emissions Planet—Protecting Our Planet; Climate Change Pages 52, 53-54 305–7 Nitrogen oxides (NOX), sulfur oxides (SOX), and other significant air emissions Planet—Conventional Air Emissions Page 61 HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2023 84 GRI 306: Waste 103–1, 2 and 3 Management approach—GRI 103 Planet—Waste: All Sections Pages 57-58 306–1 Waste generation and significant waste-related impacts Planet—Waste: All Sections Pages 57-58 306–2 Management of significant waste-related impacts Planet—Waste: All Sections Pages 57-58 306–3 Waste generated Planet—Waste: All Sections Pages 57-58 306–4 Waste diverted from disposal Planet—Waste: All Sections Pages 57-58 306–5 Waste directed to disposal Planet—Waste: All Sections Pages 57-58 GRI 307: Environmental Compliance Products—Product Stewardship Page 45 Planet—Protecting Our Planet Page 52 Avient 2023 Annual Report—Form 10-K Pages 6–7 307–1 Non-compliance with environmental laws and regulations Products—Product Stewardship Page 45 Avient 2023 Annual Report—Form 10-K Pages 6–7 GRI 308: Supplier Environmental Assessment 308–1 New suppliers that were screened using environmental criteria Products—Product Stewardship Page 45 308–2 Negative environmental impacts in the supply chain and actions taken Products—Product Stewardship Page 45 GRI 401: Employment 103–1, 2 and 3 Management approach—GRI 103 People—Training and Development; Diversity & Inclusion Pages 23, 24 401–1 New employee hires and employee turnover People—Workforce Demographics Page 28 We hired 988 new associates in 2023 401–2 Benefits provided to full-time employees that are not provided to temporary or part-time employees People—Associate Benefits / Awards and Recognition Program; Health and Wellness Pages 27, 30 401–3 Parental leave People—Health and Wellness Page 30 HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2023 85 GRI 403: Occupational Health & Safety Avient 2023 Annual Report—Form 10-K Pages 5–7 Avient’s Human Rights Policy 403–1 Occupational health and safety management system Avient 2023 Annual Report—Form 10-K Pages 5–7 People—Occupational Safety & Health Page 20 403–2 Hazard identification, risk assessment, and incident investigation People—Environmental, Health & Safety Page 18 403–3 Occupational health services People—Occupational Safety & Health Page 20 403–4 Worker participation, consultation, and communication on occupational health and safety 403–5 Worker training on occupational health and safety People—Environmental, Health & Safety; People—Training and Development Pages 18, 23 403–6 Promotion of worker health People—Occupational Safety & Health; Health and Wellness Pages 20, 30 403–7 Prevention and mitigation of occupational health and safety impacts directly linked by business relationships Products—Product Stewardship; Products—Supplier Collaboration Pages 45, 48 Avient 2023 Annual Report—Form 10-K Pages 5–7 403–8 Workers covered by an occupational health and safety management system 403–9 Work-related injuries 403–10 Work-related ill health People—Environmental, Health & Safety Page 18 GRI 404: Training & Education 10–1, 2 and 3 Management approach—GRI 103 People—Training and Development Page 23 404–1 Average hours of training per year per employee People—Training and Development; Career Training and Performance Feedback Pages 23, 31 In 2023, associates received 197,471 hours of training through a variety of delivery methods.

In addition, the evaluation of potential additional costs and liabilities linked to current regulations is integrated in the ongoing management of plant operations and products produced at these plants. This partnership enables a more robust budgeting and financial planning cycle, a more strategic sourcing of options (pure commodity sourcing and GOs among others) while leveraging to advance risk management solutions to address the challenges of an ever volatile and changeable environment, such as any legislative changes (opportunities & threats linked to carbon taxes for instance) that may threaten our portfolio.

Progress toward this goal is measured at the Business Unit and regional levels, and progress toward zero recordable injuries is communicated globally and linked to a number of recognition mechanisms. Sustainability Report | 2021 70Sustainability Report | 2021 70 Link: https://clean4change.org/ Community Service Giving back to the communities where we work and live is an integral part of our culture. Sustainability Report | 2021 94 GRI 401: Employment 401–2 Benefits provided to full-time employees that are not provided to temporary or part-time employees People—Associate Benefits/ Awards and Recognition Programs; Health and Wellness 401–3 Parental leave People—Health and Wellness GRI 403: Occupational Health & Safety Avient 2021 Annual Report—Form 10-K Pages 6–7 403–1 Occupational health and safety management system People—Occupational Safety & Health Avient 2021 Annual Report—Form 10-K Pages 6–7 403–2 Hazard identification, risk assessment, and incident investigation People—Management Approach: EH&S 403–3 Occupational health services People—Occupational Safety & Health 403–4 Worker participation, consultation, and communication on occupational health and safety 403–5 Worker training on occupational health and safety People—Management Approach: EH&S; Management Approach: Training and Development 403–6 Promotion of worker health People—Occupational Safety & Health; Health and Wellness 403–7 Prevention and mitigation of occupational health and safety impacts directly linked by business relationships Products—Management Approach: Product Stewardship; Management Approach: Supplier Collaboration 403–8 Workers covered by an occupational health and safety management system 403–9 Work-related injuries 403–10 Work-related ill health GRI 404: Training & Education 103–1, 2 and 3 Management approach—GRI 103 People—Management Approach: Training and Development 404–1 Average hours of training per year per employee People—Career Training and Performance Feedback In 2021, associates received 106,000 hours of training, and has approximately 8,700 associates, which is an estimated 12.18 hrs of training per associate.

We invest in each of these cornerstones and view them as inextricably linked. Progress toward this goal is measured at the Business Unit and regional levels, and progress toward zero recordable injuries is communicated globally and linked to a number of recognition mechanisms. GRI 301: Materials 301–1 Materials used by weight or volume About Avient—What We Do: Materials Science Page 12 Avient 2023 Annual Report—Form 10-K Page 3 301–2 Recycled input materials used Products—How Our Products Enable Sustainability Page 40 301–3 Reclaimed products and their packaging materials Products—How Our Products Enable Sustainability Page 40 HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2023 83 https://www.avient.com/contact-us-now GRI 302: Energy 103–1, 2 and 3 Management approach—GRI 103 Planet—Protecting Our Planet; Climate Change Pages 52–53 302–1 Energy consumption within the organization Planet—Protecting Our Planet; Climate Change Pages 52–53 302–2 Energy consumption outside of the organization Planet—Protecting Our Planet; Climate Change Pages 52–53 302–3 Energy intensity Metrics—Planet Data and Metrics Page 76 Our energy intensity evaluates all energy usage within the organization. 302–4 Reduction of energy consumption Planet—Protecting Our Planet; Climate Change Pages 52–53 302–5 Reductions in energy requirements of products and services Products—How Our Products Enable Sustainability Page 40 GRI 303: Water and Effluents 303–1 Interactions with water as a shared resource Planet—Water Stewardship Pages 60 303–3 Water withdrawal Planet—Water Stewardship Pages 60 Metrics—Planet Data and Metrics Page 78 GRI 305: Emissions 103–1, 2 and 3 Management approach—GRI 103 Planet—Protecting Our Planet; Climate Change Pages 52, 53-54 305–1 Direct (Scope 1) GHG emissions Planet—Protecting Our Planet; Climate Change Pages 52, 53-54 305–2 Energy indirect (Scope 2) GHG emissions Planet—Protecting Our Planet; Climate Change Pages 52, 53-54 305–3 Other indirect (Scope 3) GHG emissions Planet—Protecting Our Planet; Climate Change Pages 52, 53-54 305–4 GHG emissions intensity Planet—Protecting Our Planet; Climate Change Pages 52, 53-54 305–5 Reduction of GHG emissions Planet—Protecting Our Planet; Climate Change Pages 52, 53-54 305–7 Nitrogen oxides (NOX), sulfur oxides (SOX), and other significant air emissions Planet—Conventional Air Emissions Page 61 HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2023 84 GRI 306: Waste 103–1, 2 and 3 Management approach—GRI 103 Planet—Waste: All Sections Pages 57-58 306–1 Waste generation and significant waste-related impacts Planet—Waste: All Sections Pages 57-58 306–2 Management of significant waste-related impacts Planet—Waste: All Sections Pages 57-58 306–3 Waste generated Planet—Waste: All Sections Pages 57-58 306–4 Waste diverted from disposal Planet—Waste: All Sections Pages 57-58 306–5 Waste directed to disposal Planet—Waste: All Sections Pages 57-58 GRI 307: Environmental Compliance Products—Product Stewardship Page 45 Planet—Protecting Our Planet Page 52 Avient 2023 Annual Report—Form 10-K Pages 6–7 307–1 Non-compliance with environmental laws and regulations Products—Product Stewardship Page 45 Avient 2023 Annual Report—Form 10-K Pages 6–7 GRI 308: Supplier Environmental Assessment 308–1 New suppliers that were screened using environmental criteria Products—Product Stewardship Page 45 308–2 Negative environmental impacts in the supply chain and actions taken Products—Product Stewardship Page 45 GRI 401: Employment 103–1, 2 and 3 Management approach—GRI 103 People—Training and Development; Diversity & Inclusion Pages 23, 24 401–1 New employee hires and employee turnover People—Workforce Demographics Page 28 We hired 988 new associates in 2023 401–2 Benefits provided to full-time employees that are not provided to temporary or part-time employees People—Associate Benefits / Awards and Recognition Program; Health and Wellness Pages 27, 30 401–3 Parental leave People—Health and Wellness Page 30 HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2023 85 GRI 403: Occupational Health & Safety Avient 2023 Annual Report—Form 10-K Pages 5–7 Avient’s Human Rights Policy 403–1 Occupational health and safety management system Avient 2023 Annual Report—Form 10-K Pages 5–7 People—Occupational Safety & Health Page 20 403–2 Hazard identification, risk assessment, and incident investigation People—Environmental, Health & Safety Page 18 403–3 Occupational health services People—Occupational Safety & Health Page 20 403–4 Worker participation, consultation, and communication on occupational health and safety 403–5 Worker training on occupational health and safety People—Environmental, Health & Safety; People—Training and Development Pages 18, 23 403–6 Promotion of worker health People—Occupational Safety & Health; Health and Wellness Pages 20, 30 403–7 Prevention and mitigation of occupational health and safety impacts directly linked by business relationships Products—Product Stewardship; Products—Supplier Collaboration Pages 45, 48 Avient 2023 Annual Report—Form 10-K Pages 5–7 403–8 Workers covered by an occupational health and safety management system 403–9 Work-related injuries 403–10 Work-related ill health People—Environmental, Health & Safety Page 18 GRI 404: Training & Education 10–1, 2 and 3 Management approach—GRI 103 People—Training and Development Page 23 404–1 Average hours of training per year per employee People—Training and Development; Career Training and Performance Feedback Pages 23, 31 In 2023, associates received 197,471 hours of training through a variety of delivery methods.

In addition, the evaluation of potential additional costs and liabilities linked to current regulations is integrated in the ongoing management of plant operations and products produced at these plants. This partnership enables a more robust budgeting and financial planning cycle, a more strategic sourcing of options (pure commodity sourcing and GOs among others) while leveraging to advance risk management solutions to address the challenges of an ever volatile and changeable environment, such as any legislative changes (opportunities & threats linked to carbon taxes for instance) that may threaten our portfolio.

PolyOne Hires John Midea As Senior Vice President, Global Operations and Process Improvement

Technical support with direct link to UL Prospector offerings Why design and materials should be inextricably linked for successful products