Our Board maintains Audit ("AC"), Compensation ("CC"), Governance and Corporate Responsibility ("G&CRC"), and Environmental, Health and Safety ("EH&SC") committees. Name Age Director Since Independent Committee Membership (M=Member, C=Chair) AC CC G&CRC EH&SC Robert E. Nicolas began his career at General Motors Company.

Initiative category & Initiative type Energy efficiency in production processes Motors and drives Estimated annual CO2e savings (metric tonnes CO2e) 16 Scope(s) Scope 2 (location-based) Scope 2 (market-based) Voluntary/Mandatory Voluntary Annual monetary savings (unit currency – as specified in C0.4) 5,976 Avient CDP Climate Change Questionnaire 2021 Tuesday, August 3, 2021 50 Investment required (unit currency – as specified in C0.4) 361,000 Payback period >25 years Estimated lifetime of the initiative >30 years Comment This represents an aggregate of all motor and driver projects implemented in 2020.

Debe asegurarse de que se consume alcohol solamente con moderación y que ninguna persona que esté bajo sus efectos conduzca un vehículo de motor.

You should make certain that alcohol is consumed only in moderation and that nobody in an intoxicated state operates a motor vehicle.

Nói chính xác những điều bạn muốn nói bằng ngôn ngữ cẩn thận và chính xác, không để chỗ cho những diễn giải ác ý.

Our Board maintains Audit ("AC"), Compensation ("CC"), Governance and Corporate Responsibility ("G&CRC"), and Environmental, Health and Safety ("EH&SC") committees. PROXY SUMMARY 10 PROXY STATEMENT 2024 | Annual Meeting of Shareholders Name Age Director Since Independent Committee Membership (M=Member, C=Chair) AC CC G&CRC EH&SC Robert E. Nicolas began his career at General Motors Company.

Name Age Director Since Principal Position Notable Skills and Experiences Inde- pendent Committee Membership* AC CC N&GC EH&SC Robert E. Financial, International, Industry Experience, Regulatory, Technology, HR, Operations, Environmental, Corporate Governance Yes M PROXY SUMMARY Name Age Director Since Principal Position Notable Skills and Experiences Inde- pendent Committee Membership* AC CC N&GC EH&SC Richard H.

Initiative category & Initiative type Energy efficiency in buildings Avient CDP Climate Change Questionnaire 2022 Friday, July 29, 2022 42 Lighting Estimated annual CO2e savings (metric tonnes CO2e) 330.9 Scope(s) or Scope 3 category(ies) where emissions savings occur Scope 2 (location-based) Scope 2 (market-based) Voluntary/Mandatory Voluntary Annual monetary savings (unit currency – as specified in C0.4) 318,550 Investment required (unit currency – as specified in C0.4) 717,464 Payback period 1-3 years Estimated lifetime of the initiative 6-10 years Comment Initiative category & Initiative type Energy efficiency in buildings Insulation Estimated annual CO2e savings (metric tonnes CO2e) 0.11 Scope(s) or Scope 3 category(ies) where emissions savings occur Scope 1 Voluntary/Mandatory Voluntary Annual monetary savings (unit currency – as specified in C0.4) 2,250 Investment required (unit currency – as specified in C0.4) 11,610 Payback period 4-10 years Estimated lifetime of the initiative Avient CDP Climate Change Questionnaire 2022 Friday, July 29, 2022 43 11-15 years Comment Initiative category & Initiative type Energy efficiency in buildings Heating, Ventilation and Air Conditioning (HVAC) Estimated annual CO2e savings (metric tonnes CO2e) 9.33 Scope(s) or Scope 3 category(ies) where emissions savings occur Scope 1 Voluntary/Mandatory Voluntary Annual monetary savings (unit currency – as specified in C0.4) 76,653 Investment required (unit currency – as specified in C0.4) 203,000 Payback period 1-3 years Estimated lifetime of the initiative 11-15 years Comment Initiative category & Initiative type Energy efficiency in buildings Motors and drives Estimated annual CO2e savings (metric tonnes CO2e) 5.06 Scope(s) or Scope 3 category(ies) where emissions savings occur Scope 2 (location-based) Scope 2 (market-based) Voluntary/Mandatory Voluntary Annual monetary savings (unit currency – as specified in C0.4) Avient CDP Climate Change Questionnaire 2022 Friday, July 29, 2022 44 2,280 Investment required (unit currency – as specified in C0.4) 541 Payback period

Our Board maintains Audit ("AC"), Compensation ("CC"), Governance and Corporate Responsibility ("G&CRC"), and Environmental, Health and Safety ("EH&SC") committees. PROXY SUMMARY 10 PROXY STATEMENT 2024 | Annual Meeting of Shareholders Name Age Director Since Independent Committee Membership (M=Member, C=Chair) AC CC G&CRC EH&SC Robert E. Nicolas began his career at General Motors Company.

Switch off lights after finishing duty, including computers and AC. Row 5 (7.55.2.1) Initiative category & Initiative type Energy efficiency in buildings ☑ Heating, Ventilation and Air Conditioning (HVAC) 375 (7.55.2.2) Estimated annual CO2e savings (metric tonnes CO2e) 506.21 (7.55.2.3) Scope(s) or Scope 3 category(ies) where emissions savings occur Select all that apply ☑ Scope 2 (location-based) ☑ Scope 2 (market-based) (7.55.2.4) Voluntary/Mandatory Select from: ☑ Voluntary (7.55.2.5) Annual monetary savings (unit currency – as specified in C0.4) 444539 (7.55.2.6) Investment required (unit currency – as specified in C0.4) 180117 (7.55.2.7) Payback period Select from: ☑ 4-10 years (7.55.2.8) Estimated lifetime of the initiative Select from: ☑ Ongoing (7.55.2.9) Comment 376 Included changing ACs, resealing windows and exterior doors, reducing energy consumption during unoccupied periods, getting more efficient HVAC systems, installing geothermal heating systems, and process water replacements. Row 7 (7.55.2.1) Initiative category & Initiative type Energy efficiency in buildings ☑ Motors and drives (7.55.2.2) Estimated annual CO2e savings (metric tonnes CO2e) 391.9 (7.55.2.3) Scope(s) or Scope 3 category(ies) where emissions savings occur Select all that apply ☑ Scope 2 (location-based) ☑ Scope 2 (market-based) (7.55.2.4) Voluntary/Mandatory Select from: ☑ Voluntary 378 (7.55.2.5) Annual monetary savings (unit currency – as specified in C0.4) 194144 (7.55.2.6) Investment required (unit currency – as specified in C0.4) 625254 (7.55.2.7) Payback period Select from: ☑ >25 years (7.55.2.8) Estimated lifetime of the initiative Select from: ☑ Ongoing (7.55.2.9) Comment Included process optimization, reducing usage, improving motor control systems, and replacing older motors.