HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2022 30Sustainability Report | 2022 30 https://www.avient.com/company/sustainability/sustainability-report/people/diversity-inclusion/serve https://www.avient.com/company/sustainability/sustainability-report/people/diversity-inclusion/serve https://www.avient.com/company/sustainability/sustainability-report/people/diversity-inclusion/serve Workforce Demographics Diversity Leadership Diversity—CEO Direct Reports Female 30% Minority 30% Female or Minority 60% Diversity by Level—Female or Minority* Directors, General Managers, VP/SVP 29% Management 38% Professionals 51% Production Associates 50% All Avient Associates 49% Race & Ethnicity* American Indian or Alaskan Native 0% Asian 4% Black or African American 14% Native Hawaiian/Other Pacific Islander 0% Two or More Races 1% Hispanic or Latino 13% White 68% Global Associates by Age Under 30 10% 30–50 57% Over 50 33% Turnover** Total Global Turnover = 8.5% Salaried Hourly Total U.S. & Canada 11.8% 15.0% 13.3% Europe/Middle East/Africa 7.6% 5.3% 6.5% Asia 8.1% 4.8% 6.5% Latin America 7.0% 6.6% 6.8% Global 8.9% 6.6% 6.8% Salaried Hourly Total Under 30 16.2% 14.7% 15.4% 30–50 7.9% 6.9% 7.5% Over 50 9.5% 8.1% 8.8% Salaried Hourly Total Female 9.4% 8.0% 8.6% Male 8.1% 9.8% 8.3% New Hires*** New Hires as a % of Total Employee Population = 10.5% Female or Minority* Under 30 30–50 Over 50 Direct (Hourly) 65.7% 35.6% 52.2% 12.2% Indirect (Salaried) 48.1% 25.4% 62.4% 12.2% Total 59.7% 30.9% 56.9% 12.2% Employee Representation Avient respects our associates' right to join or not join any lawful organization and comply with all applicable laws pertaining to freedom of association and collective bargaining. NEW at Avient In 2022, we launched new products and expanded applications for the healthcare market that continue to evolve our portfolio to include more sustainable options, including: Mevopur™ Healthcare Bio-Based Polymer Solutions are color and performance-enhancing additive solutions formulated with bio-based polymers for healthcare applications Mevopur™ Nucleation Additive Concentrates help produce thinner walls in polyolefin applications while maintaining mechanical properties and reduce Moisture Vapor Transmission Rate (MVTR) in HDPE Mevopur™ Chemical Foaming Agents (CFA) enable reduced material use, while meeting regulatory requirements for medical devices and pharmaceutical packaging REMAFIN™ EP White Colorants for Pharmaceutical Packaging designed for a range of pharmaceuticals, safeguarding light transmission while meeting regulatory requirements Trilliant™ HC Glass Filled Polyketone offers a lower carbon footprint alternative to nylon with excellent chemical resistance, high temperature performance, and good wear resistance Versaflex™ HC Thermoplastic Elastomers are formulated to meet demanding healthcare device and application challenges without phthalate plasticizers, including respiratory applications Application Highlight: Biopharmaceutical Manufacturing Clamps The Challenge Develop an alternative to traditional nylon materials that meets dimensional stability, impact and wear resistance requirements, while enabling the customer to address consistency of supply and sustainability objectives. LEARN MORE Visit Our Sustainability Site for More Information LEARN MORE HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2022 46 https://www.avient.com/industries/healthcare https://www.avient.com/products/polymer-colorants/healthcare-colorants/mevopur-healthcare-bio-based-polymer-solutions https://www.avient.com/products/polymer-additives/healthcare-additives/mevopur-healthcare-functional-additives https://www.avient.com/products/polymer-additives/healthcare-additives/mevopur-healthcare-functional-additives https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/remafin-ep-white-colorants https://www.avient.com/sites/default/files/2023-01/Trilliant%20HC%20GF%20Polyketone%20_PK_%20Product%20Bulletin.pdf https://www.avient.com/products/thermoplastic-elastomers/versaflex-hc-thermoplastic-elastomers https://www.avient.com/sites/default/files/2023-03/Trilliant%20HC%20glass-filled%20PK%20-%20Biopharma%20Tubing%20Clamps.pdf https://www.avient.com/company/sustainability/sustainability-report/products/markets Transportation Market Needs: Improve Efficiency, Extend Range, Enable Circularity As the demand for low- and zero-emission, energy-efficient transportation continues to grow across all vehicle types, transportation requirements are evolving quickly.

Mevopur™ Polymer Colorants and Additives Mevopur™ Bio-based Polymer Solutions for Healthcare

OnFlex™ LO Low VOC/ Fog Thermoplastic Elastomers OnColor™ FX Special Effect Colorants Human Health & Safety Solutions that directly protect and preserve human health (e.g., Hygiene & Personal Protective Equipment (PPE) and medical devices) Mevopur™ Polyolefin-based Formulations and Masterbatches Versaflex™ HC Thermoplastic Elastomers Recycle Solutions Contains Recycle Content: Incorporates post-consumer or post-industrial recycle content. ColorMatrix™ Optica™ Toners Blue toners and colorants work to correct and reduce the yellowing or color variation that typically occurs during the recycling process. Mevopur™ ProTect Oxygen Scavenger extends shelf life for PET pharma packaging by limiting oxygen (O2) degradation for drugs and nutraceuticals stored in bottles, even in transparent mono-layer versions.

ASIA/PACIFIC: SDS for the Asia Pacific region can be obtained by contacting the appropriate regional office. SILCOPAS BLUE 283 ASIA/PACIFIC: SDS for the Asia Pacific region can be obtained by contacting the appropriate regional office.

ASIA/PACIFIC: SDS for the Asia Pacific region can be obtained by contacting the appropriate regional office. MC-14915PE BLUE ASIA/PACIFIC: SDS for the Asia Pacific region can be obtained by contacting the appropriate regional office.

ASIA/PACIFIC: SDS for the Asia Pacific region can be obtained by contacting the appropriate regional office. SILCOPAS BLUE 91932 ASIA/PACIFIC: SDS for the Asia Pacific region can be obtained by contacting the appropriate regional office.

ASIA/PACIFIC: SDS for the Asia Pacific region can be obtained by contacting the appropriate regional office. MC-17071PE BLUE ASIA/PACIFIC: SDS for the Asia Pacific region can be obtained by contacting the appropriate regional office.

Annual paid time off to volunteer 16 Hours HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | IndexHOME | Contents | Message from the CEO | About Us | People | Products | Planet Sustainability Report | 2023 27 https://www.avient.com/company/sustainability/sustainability-report/people/community-service-engagement Workforce Demographics Diversity Leadership Diversity—CEO Direct Reports Female 38% Minority 22% Female or Minority 60% Diversity by Level—Female or Minority* Directors, General Managers, VP/SVP 30% Management 39% Professionals 53% Production Associates 54% All Avient Associates 50% Race & Ethnicity* American Indian or Alaskan Native 0% Asian 4% Black or African American 17% Native Hawaiian/Other Pacific Islander 0% Two or More Races 1% Hispanic or Latino 12% White 66% Global Associates by Age Under 30 10% 30–50 59% Over 50 31% Turnover** Total Global Turnover = 9.5% Salaried Hourly Total U.S. & Canada 8.4% 15.0% 11.6% Europe/Middle East/Africa 9.5% 7.3% 8.4% Asia 8.3% 5.9% 7.2% Latin America 6.7% 9.0% 7.7% Global 8.6% 9.5% 9.5% Salaried Hourly Total Under 30 15.7% 17.1% 16.5% 30–50 8.0% 8.6% 8.2% Over 50 8.3% 9.0% 8.6% Salaried Hourly Total Female 8.6% 9.7% 9.2% Male 8.4% 6.6% 8.1% New Hires*** New Hires as a % of Total Employee Population = 10.6% Female or Minority* Under 30 30–50 Over 50 Direct (Hourly) 63.1% 39.1% 49.4% 11.5% Indirect (Salaried) 50.4% 26.0% 60.1% 13.9% Total 60.3% 34.6% 53.0% 12.3% Employee Representation Avient respects our associates' right to join or not join any lawful organization and comply with all applicable laws pertaining to freedom of association and collective bargaining. HIGHLIGHTS from 2023: Key Markets Key Customer Challenges • Preserving key natural resources • Increasing healthcare regulations • Enabling connectivity & alternative energy • Increasing regulatory compliance Avient Solutions & Services • Specialty formulations, colorants and additives to meet medical device regulations • Specialty optical fibers for telecommunications • Advanced composite and fiber solutions for alternative energy infrastructure • Regulatory compliance expertise PRESERVE SUPPORTS SUSTAINABLE INFRASTRUCTURE Infrastructure Retrofit for Hydrogen Power Fiber-Line™ Engineered Fibers LEARN MORE Healthcare Energy Consumer NON-PTFE FORMULATIONS Non-Fluorinated Polymers LubriOne™ Internally Lubricated Formulations LEARN MORE UP TO 100% BIO-BASED CARRIER Medical Devices Mevopur™ Bio-Based Polymer Solutions LEARN MORE 75% Spin Dyed Textile Yarn Renol™ Spin Dying Colorants LEARN MORE LESS WATER UP TO 40% BIO-DERIVED Pharmaceutical Tubing Versaflex™ HC BIO BT218 TPE LEARN MORE ENABLE ALTERNATIVE ENERGY SOURCES Photovoltaic Wire & Cable ECCOH™ XL 8148 Cross-Linkable Solutions LEARN MORE LEARN MORE Avient Sustainability HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2023 44Sustainability Report | 2023 44 https://www.avient.com/news/avient-showcase-world-s-strongest-fiber-and-high-performance-engineered-fibers-techtextil-2024 https://www.avient.com/sites/default/files/2024-04/LubriOne%20Internally%20Lubricated%20Formulations%20PTFE%20Free%20Series%20Product%20Bulletin.pdf https://www.avient.com/products/polymer-colorants/healthcare-colorants/mevopur-healthcare-bio-based-polymer-solutions https://www.avient.com/products/polymer-colorants/fiber-colorants/renol-fiber-colorants https://www.avient.com/sites/default/files/2023-07/Versaflex%20HC%20_%20Versaflex%20HC%20BIO%20-%20BT%20Series%20Product%20Overview.pdf https://www.avient.com/idea/understanding-needs-and-challenges-photovoltaic-cable https://www.avient.com/company/sustainability/sustainable-solutions-portfolio Product Stewardship Management Approach Protecting associates, customers and the environment by providing safe products is a priority for Avient. Animal Testing Policy Audit Committee Charter California Transparency in Supply Chains Act Disclosure Code of Conduct Code of Ethics—Applicable to Avient Senior Officers ColorMatrix Europe Limited—Modern Slavery and Human Trafficking Statement Compensation Committee Charter Conflict Minerals Policy Corporate Governance Guidelines Environmental Policy Equal Employment Opportunity Global Chemical Management Global ISO Certificate Library Global Policy on Anti-Bribery and Anti-Corruption Global Policy on Antitrust Governance and Corporate Responsibility Committee Charter Human Rights Policy No Surprises PledgeSM Position on Biodiversity Position on Water Stewardship Privacy Statement Product Stewardship Policy Quality Policy Responsible Care Policy Safety and Health Policy Security Policy Supplier Code of Conduct HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2023 73 https://www.avient.com/sites/default/files/2022-03/Sustainability%20ESG%20Disclosures_Animal%20Testing%20Policy.pdf https://www.avient.com/sites/default/files/2023-01/Avient%20Audit%20Committee%20Charter.pdf https://www.avient.com/california-transparency-act-disclosure https://www.avient.com/company/policies-and-governance-0/code-conduct https://www.avient.com/sites/default/files/2023-12/Senior%20Financial%20Officer%20Code%20of%20Conduct%20Policy%20%282023%29_0.pdf https://www.avient.com/sites/default/files/2024-06/CM%20Europe%20Ltd%20Modern_Slavery_Statement%20-%202024%20V4.pdf https://www.avient.com/sites/default/files/2022-07/Compensation%20Committee%20Charter%20%28Amended%20July%202022%29.pdf https://www.avient.com/sites/default/files/2020-10/avient-conflict-minerals-policy-10.2020.pdf https://www.avient.com/sites/default/files/2024-05/3b%20-%20Corporate%20Governance%20Guidelines.Draft%20Feb.%202024.v1.2.Revised.4-16-24.Final_.pdf https://www.avient.com/sites/default/files/2023-12/Avient_Environmental%20Policy_Dec_18_2023.pdf https://www.avient.com/sites/default/files/2024-06/EEO%20Policy%20Jan%202024.pdf https://www.avient.com/sites/default/files/2022-03/Sustainability%20ESG%20Disclosures_Global%20Chemical%20Mgt%20Policy.pdf https://www.avient.com/company/policies-and-governance-0/global-iso-certificate-library https://www.avient.com/company/policies-and-governance/global-policy-anti-bribery-and-anti-corruption https://www.avient.com/company/policies-and-governance/global-policy-antitrust https://www.avient.com/sites/default/files/2024-05/3b%20-%20Corporate%20Governance%20Guidelines.Draft%20Feb.%202024.v1.2.Revised.4-16-24.Final_.pdf https://www.avient.com/company/policies-and-governance-0/avients-human-rights-policy https://www.avient.com/company/sustainability/sustainability-report/products/no-surprises-pledge https://www.avient.com/company/policies-and-governance-0/avients-position-biodiversity https://www.avient.com/company/policies-and-governance-0/avients-position-water-stewardship https://www.avient.com/company/policies-and-governance/avients-position-human-rights https://www.avient.com/company/policies-and-governance-0/avient-corporation-privacy-statement https://www.avient.com/sites/default/files/2023-12/Avient_ProdStewardship_Policy_Dec_18_2023.pdf https://www.avient.com/sites/default/files/2023-12/Avient%20Quality%20Policy%20-%20Dec%2018%202023%5B83%5D.pdf https://www.avient.com/sites/default/files/2023-12/Avient_ALL_Policies_Dec_18_2023.pdf https://www.avient.com/sites/default/files/2023-12/Avient_Health_And_Safety_Policy_Dec_18_2023.pdf https://www.avient.com/sites/default/files/2023-12/Avient_SecurityPolicy_Dec_18_2023.pdf https://www.avient.com/company/policies-and-governance-0/supplier-code-conduct METRICS HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2023 74 People Data and Metrics Category 2019 2020 2021 2022 2023 Total TRIR (#—Direct) 0.56 0.50 0.55 0.51 0.58 Total TRIR (#—Contractors) 0.00 0.00 0.00 0.00 2.00 Recordable Injuries (Total #) 36 37 55 57 62 Recordable Illnesses (Total #) 0 0 0 0 0 Total LTIR (#—Direct) 0.29 0.24 0.14 0.15 0.26 Total LTIR (#—Contractors) 0.00 0.00 0.00 0.00 1.50 Total Injuries of High Consequence (% of TRIR) 14 5 2 0 2 Total Fatality Rate (#—Direct) 0.00 0.00 0.00 0.00 0.00 Total Fatality Rate (#—Contractors) 0.00 0.00 0.00 0.00 0.00 Process Safety Incident Count (#) 0 0 0 0 0 Process Safety Total Incident Rate (#) 0.00 0.00 0.00 0.00 0.00 Process Safety Incident Severity Rate (#) 0.00 0.00 0.00 0.00 0.00 Transport Incidents (#—US DOT 5800/EU ADR) 0 0 0 0 0 Associate Safety Engagement Activities (#) N/A N/A 10,100 14,658 11,806 EH&S Internal Audits (#) 58 37 25 40 76 Workers covered by an EH&S Management Systems (%) 100 100 100 100 100 Workers covered by an internally audited EH&S MS (%) 100 100 100 100 100 Facilities externally certified ISO45001 (or equivalent — %)* N/A 52 56 54 51 Suppliers externally certified ISO45001 (% of surveyed) N/A 44 56 53 54 *Certificates can be found at (https://www.avient.com/company/policies-and-governance/global-iso-certificate-library) HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2023 75 https://www.avient.com/company/policies-and-governance/global-iso-certificate-library Planet Data and Metrics Category 2019* 2020* 2021* 2022* 2023 ENERGY1 Total Energy (GJ) 2,377,860 2,242,291 2,361,107 2,265,482 2,144,770 Energy Intensity (GJ/MT Sales) 5.09 5.04 4.77 5.05 5.63 Renewable Electricity (MWh)** 104,880.63 122,505.22 174,701.68 232,488.43 253,894.78 Electric Power (MWh) 461,426.13 439,773.23 460,693.35 439,215.11 409,650.68 Renewable Electricity (%) 23 28 38 53 62 Renewable Energy (%) 16 20 27 37 43 Total Self-Generated Energy (GJ) 11,845 14,590 11,461 12,019 15,710 Energy Saving Activities (#) 59 74 102 129 118 Annual Savings from Energy Saving Activities (GJ) 35,573 19,470 72,845 439,347 64,987 Capital Invested in Energy Savings ($MM USD) 1.97 2.43 1.74 5.05 3.79 PURCHASED ENERGY (%) Purchased Electricity (%) 49.74 51.70 51.05 69.79 68.76 Purchased Natural Gas (%) 12.89 14.11 13.46 29.45 30.24 Purchased Steam (%) 0.00 0.00 0.00 0.00 0.00 Purchased Diesel Fuel (%) 0.87 0.95 1.12 0.76 0.48 SOURCES OF PURCHASED ELECTRICITY (%)2 Non-Renewable: Coal 46.72 45.53 41.12 40.04 39.61 Non-Renewable: Natural Gas 33.69 36.12 17.51 17.41 17.35 Non-Renewable: Other Fossil Fuels 0.00 0.00 0.26 0.21 20.00 Non-Renewable: Nuclear 11.95 11.37 9.86 9.01 8.82 Non-Renewable: Oil 2.16 1.60 1.82 1.70 1.67 Renewable: Hydro 3.24 2.23 14.79 15.22 14.07 Renewable: Wind 0.70 0.88 7.94 9.02 9.97 Renewable: Solar 1.48 2.20 3.76 4.67 5.61 Renewable: Biomass 0.06 0.07 2.53 2.44 2.37 Renewable: Geothermal 0.00 0.00 0.29 0.28 0.27 (continues on next page) HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2023 76 (continues on next page) Category 2019* 2020* 2021* 2022* 2023 EMISSIONS1 Greenhouse Gas Emissions (MT Scope 1 GHG)** 36,680 39,023 36,147 34,792 33,384 Greenhouse Gas Emissions (MT Scope 2 GHG)** 169,789 102,479 100,595 99,465 72,976 Greenhouse Gas Emissions (MT Scope 3 GHG)3 584,622 1,440,584 2,122,338 6,421,128 See CDP Greenhouse Gas Emissions (MT Scope 1 & 2 GHG)** 206,469 141,502 136,742 134,257 106,360 Greenhouse Gas Emissions Intensity (MT 1&2 GHG/ MT Sales) 0.44 0.32 0.28 0.30 0.28 Greenhouse Gas Emissions Intensity (MT 1&2 GHG/ $B Revenue) 51,864 63,886 41,249 39,524 33,840 Annual GHG Emissions Avoidance from ESA & WMA (MT) 8,378 10,235 33,631 115,099 127,938 Reportable Releases—above permitted limits (#) 0 0 0 0 1 EMISSIONS OF SOX/NOX/VOC/HAPS (MT) SOx 0.14 0.13 0.13 0.25 0.43 NOx 14.74 10.85 11.77 12.96 13.40 VOC 695.40 659.43 648.17 563.96 669.99 Top 4 Hazardous Air Pollutants 0.98 1.00 1.18 6.96 6.77 Particulate Matter 33.78 30.99 32.88 28.02 31.09 WASTE Total Waste (MT) 31,087 29,783 33,090 32,267 31,462 Total Waste Intensity (Kg Waste/MT Sales) 66.60 66.92 66.90 71.88 82.66 Total Waste Intensity (MT Waste/ $B Revenue) 7,809 13,447 9,982 9,499 10,010 Percent of Total Waste Recycled/Beneficially Reused (%) 51.45 50.51 47.85 48.60 61.06 Percent of Total Waste Landfilled (%) 40.13 40.20 43.26 44.24 34.17 Total Waste Landfilled (MT)** 12,476 11,972 14,315 14,274 10,751 Total Non-Hazardous Waste (MT) 27,608 26,606 29,298 28,503 28,318 Waste Minimization Projects (#) 34 53 142 114 84 Annual Diversion from Waste Minimization Projects (MT) 2,087 743 3,136 8,425 13,965 Capital Invested in Waste Minimization ($MM USD) 0.00 0.33 1.48 2.68 0.40 Landfill Free Sites (%) N/A N/A N/A N/A 42 HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2023 77 Category 2019* 2020* 2021* 2022* 2023 HAZARDOUS WASTE Hazardous Waste US & Canada (%) 29 16 19 21 26 Hazardous Waste Latin America (%) 5 5 6 6 3 Hazardous Waste Europe (%) 36 51 41 34 36 Hazardous Waste Asia Pacific (%) 27 25 30 36 34 Hazardous Waste Middle East & Africa (%) 3 3 4 3 2 Total Hazardous Waste (MT) 3,480 3,177 3,792 3,850 3,173 WATER Total Water Withdrawal (1000 m3) 1,356 1,801 1,796 1,738 1,599 Total Water Withdrawal Intensity (m3/MT Sales) 2.90 4.05 3.63 3.87 4.20 Total Wastewater Discharge (1000 m3) 892 1,032 1,164 1,122 1,146 Wastewater Recycled (% of Total) 34 43 35 35 28 Total Water Related NoV (#) 0 0 0 0 3 Withdrawal & Consumed from High and Extremely High Risk Areas (% of Total) 38 35 30 28 26 Water Minimization Projects (#) 4 6 19 19 10 Annual Diversion from Water Minimization Projects (1000 m3) 9 19 55 115 284 Capital Invested in Water Minimization ($MM USD) 0.04 0.38 0.24 0.07 1.02 SITES IN HIGH & EXTREMELY HIGH WATER RISK AREAS BY REGION US & Canada (%) N/A N/A N/A N/A 11 Latin America (%) N/A N/A N/A N/A 4 Europe (%) N/A N/A N/A N/A 6 Asia Pacific (%) N/A N/A N/A N/A 12 Middle East & Africa (%) N/A N/A N/A N/A 4 CERTIFIED ENVIRONMENTAL MANAGEMENT SYSTEMS Facilities externally certified to ISO14001/RC14001 (%)4 N/A 50 52 57 58 Facilities externally certified to ISO50001 (# of high energy sites)4 2 2 2 2 3 Suppliers externally certified ISO14001 (% of surveyed) N/A 70 75 72 72 Suppliers externally certified to ISO50001 (% of surveyed) N/A 17 19 24 32 *Includes estimated full year performance of APM acquisition **2019 baseline data revised to account for acquisition pro-forma performance and divestitures (1) Refer to CDP Climate Change Report for finalized Energy/Emissions information https://www.avient.com/company/sustainability/sustainability-report/reporting/cdp-climate-change-report (2) Estimates.

Annual paid time off to volunteer 16 Hours HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | IndexHOME | Contents | Message from the CEO | About Us | People | Products | Planet Sustainability Report | 2023 27 https://www.avient.com/company/sustainability/sustainability-report/people/community-service-engagement Workforce Demographics Diversity Leadership Diversity—CEO Direct Reports Female 38% Minority 22% Female or Minority 60% Diversity by Level—Female or Minority* Directors, General Managers, VP/SVP 30% Management 39% Professionals 53% Production Associates 54% All Avient Associates 50% Race & Ethnicity* American Indian or Alaskan Native 0% Asian 4% Black or African American 17% Native Hawaiian/Other Pacific Islander 0% Two or More Races 1% Hispanic or Latino 12% White 66% Global Associates by Age Under 30 10% 30–50 59% Over 50 31% Turnover** Total Global Turnover = 9.5% Salaried Hourly Total U.S. & Canada 8.4% 15.0% 11.6% Europe/Middle East/Africa 9.5% 7.3% 8.4% Asia 8.3% 5.9% 7.2% Latin America 6.7% 9.0% 7.7% Global 8.6% 9.5% 9.5% Salaried Hourly Total Under 30 15.7% 17.1% 16.5% 30–50 8.0% 8.6% 8.2% Over 50 8.3% 9.0% 8.6% Salaried Hourly Total Female 8.6% 9.7% 9.2% Male 8.4% 6.6% 8.1% New Hires*** New Hires as a % of Total Employee Population = 10.6% Female or Minority* Under 30 30–50 Over 50 Direct (Hourly) 63.1% 39.1% 49.4% 11.5% Indirect (Salaried) 50.4% 26.0% 60.1% 13.9% Total 60.3% 34.6% 53.0% 12.3% Employee Representation Avient respects our associates' right to join or not join any lawful organization and comply with all applicable laws pertaining to freedom of association and collective bargaining. HIGHLIGHTS from 2023: Key Markets Key Customer Challenges • Preserving key natural resources • Increasing healthcare regulations • Enabling connectivity & alternative energy • Increasing regulatory compliance Avient Solutions & Services • Specialty formulations, colorants and additives to meet medical device regulations • Specialty optical fibers for telecommunications • Advanced composite and fiber solutions for alternative energy infrastructure • Regulatory compliance expertise PRESERVE SUPPORTS SUSTAINABLE INFRASTRUCTURE Infrastructure Retrofit for Hydrogen Power Fiber-Line™ Engineered Fibers LEARN MORE Healthcare Energy Consumer NON-PTFE FORMULATIONS Non-Fluorinated Polymers LubriOne™ Internally Lubricated Formulations LEARN MORE UP TO 100% BIO-BASED CARRIER Medical Devices Mevopur™ Bio-Based Polymer Solutions LEARN MORE 75% Spin Dyed Textile Yarn Renol™ Spin Dying Colorants LEARN MORE LESS WATER UP TO 40% BIO-DERIVED Pharmaceutical Tubing Versaflex™ HC BIO BT218 TPE LEARN MORE ENABLE ALTERNATIVE ENERGY SOURCES Photovoltaic Wire & Cable ECCOH™ XL 8148 Cross-Linkable Solutions LEARN MORE LEARN MORE Avient Sustainability HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2023 44Sustainability Report | 2023 44 https://www.avient.com/news/avient-showcase-world-s-strongest-fiber-and-high-performance-engineered-fibers-techtextil-2024 https://www.avient.com/sites/default/files/2024-04/LubriOne%20Internally%20Lubricated%20Formulations%20PTFE%20Free%20Series%20Product%20Bulletin.pdf https://www.avient.com/products/polymer-colorants/healthcare-colorants/mevopur-healthcare-bio-based-polymer-solutions https://www.avient.com/products/polymer-colorants/fiber-colorants/renol-fiber-colorants https://www.avient.com/sites/default/files/2023-07/Versaflex%20HC%20_%20Versaflex%20HC%20BIO%20-%20BT%20Series%20Product%20Overview.pdf https://www.avient.com/idea/understanding-needs-and-challenges-photovoltaic-cable https://www.avient.com/company/sustainability/sustainable-solutions-portfolio Product Stewardship Management Approach Protecting associates, customers and the environment by providing safe products is a priority for Avient. Animal Testing Policy Audit Committee Charter California Transparency in Supply Chains Act Disclosure Code of Conduct Code of Ethics—Applicable to Avient Senior Officers ColorMatrix Europe Limited—Modern Slavery and Human Trafficking Statement Compensation Committee Charter Conflict Minerals Policy Corporate Governance Guidelines Environmental Policy Equal Employment Opportunity Global Chemical Management Global ISO Certificate Library Global Policy on Anti-Bribery and Anti-Corruption Global Policy on Antitrust Governance and Corporate Responsibility Committee Charter Human Rights Policy No Surprises PledgeSM Position on Biodiversity Position on Water Stewardship Privacy Statement Product Stewardship Policy Quality Policy Responsible Care Policy Safety and Health Policy Security Policy Supplier Code of Conduct HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2023 73 https://www.avient.com/sites/default/files/2022-03/Sustainability%20ESG%20Disclosures_Animal%20Testing%20Policy.pdf https://www.avient.com/sites/default/files/2023-01/Avient%20Audit%20Committee%20Charter.pdf https://www.avient.com/california-transparency-act-disclosure https://www.avient.com/company/policies-and-governance-0/code-conduct https://www.avient.com/sites/default/files/2023-12/Senior%20Financial%20Officer%20Code%20of%20Conduct%20Policy%20%282023%29_0.pdf https://www.avient.com/sites/default/files/2024-06/CM%20Europe%20Ltd%20Modern_Slavery_Statement%20-%202024%20V4.pdf https://www.avient.com/sites/default/files/2022-07/Compensation%20Committee%20Charter%20%28Amended%20July%202022%29.pdf https://www.avient.com/sites/default/files/2020-10/avient-conflict-minerals-policy-10.2020.pdf https://www.avient.com/sites/default/files/2024-05/3b%20-%20Corporate%20Governance%20Guidelines.Draft%20Feb.%202024.v1.2.Revised.4-16-24.Final_.pdf https://www.avient.com/sites/default/files/2023-12/Avient_Environmental%20Policy_Dec_18_2023.pdf https://www.avient.com/sites/default/files/2024-06/EEO%20Policy%20Jan%202024.pdf https://www.avient.com/sites/default/files/2022-03/Sustainability%20ESG%20Disclosures_Global%20Chemical%20Mgt%20Policy.pdf https://www.avient.com/company/policies-and-governance-0/global-iso-certificate-library https://www.avient.com/company/policies-and-governance/global-policy-anti-bribery-and-anti-corruption https://www.avient.com/company/policies-and-governance/global-policy-antitrust https://www.avient.com/sites/default/files/2024-05/3b%20-%20Corporate%20Governance%20Guidelines.Draft%20Feb.%202024.v1.2.Revised.4-16-24.Final_.pdf https://www.avient.com/company/policies-and-governance-0/avients-human-rights-policy https://www.avient.com/company/sustainability/sustainability-report/products/no-surprises-pledge https://www.avient.com/sites/default/files/2024-06/Position%20on%20Biodiversity.pdf https://www.avient.com/sites/default/files/2024-06/Position%20on%20Biodiversity.pdf https://www.avient.com/company/policies-and-governance/avients-position-human-rights https://www.avient.com/company/policies-and-governance-0/avient-corporation-privacy-statement https://www.avient.com/sites/default/files/2023-12/Avient_ProdStewardship_Policy_Dec_18_2023.pdf https://www.avient.com/sites/default/files/2023-12/Avient%20Quality%20Policy%20-%20Dec%2018%202023%5B83%5D.pdf https://www.avient.com/sites/default/files/2023-12/Avient_ALL_Policies_Dec_18_2023.pdf https://www.avient.com/sites/default/files/2023-12/Avient_Health_And_Safety_Policy_Dec_18_2023.pdf https://www.avient.com/sites/default/files/2023-12/Avient_SecurityPolicy_Dec_18_2023.pdf https://www.avient.com/company/policies-and-governance-0/supplier-code-conduct METRICS HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2023 74 People Data and Metrics Category 2019 2020 2021 2022 2023 Total TRIR (#—Direct) 0.56 0.50 0.55 0.51 0.58 Total TRIR (#—Contractors) 0.00 0.00 0.00 0.00 2.00 Recordable Injuries (Total #) 36 37 55 57 62 Recordable Illnesses (Total #) 0 0 0 0 0 Total LTIR (#—Direct) 0.29 0.24 0.14 0.15 0.26 Total LTIR (#—Contractors) 0.00 0.00 0.00 0.00 1.50 Total Injuries of High Consequence (% of TRIR) 14 5 2 0 2 Total Fatality Rate (#—Direct) 0.00 0.00 0.00 0.00 0.00 Total Fatality Rate (#—Contractors) 0.00 0.00 0.00 0.00 0.00 Process Safety Incident Count (#) 0 0 0 0 0 Process Safety Total Incident Rate (#) 0.00 0.00 0.00 0.00 0.00 Process Safety Incident Severity Rate (#) 0.00 0.00 0.00 0.00 0.00 Transport Incidents (#—US DOT 5800/EU ADR) 0 0 0 0 0 Associate Safety Engagement Activities (#) N/A N/A 10,100 14,658 11,806 EH&S Internal Audits (#) 58 37 25 40 76 Workers covered by an EH&S Management Systems (%) 100 100 100 100 100 Workers covered by an internally audited EH&S MS (%) 100 100 100 100 100 Facilities externally certified ISO45001 (or equivalent — %)* N/A 52 56 54 51 Suppliers externally certified ISO45001 (% of surveyed) N/A 44 56 53 54 *Certificates can be found at (https://www.avient.com/company/policies-and-governance/global-iso-certificate-library) HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2023 75 https://www.avient.com/company/policies-and-governance/global-iso-certificate-library Planet Data and Metrics Category 2019* 2020* 2021* 2022* 2023 ENERGY1 Total Energy (GJ) 2,377,860 2,242,291 2,361,107 2,265,482 2,144,770 Energy Intensity (GJ/MT Sales) 5.09 5.04 4.77 5.05 5.63 Renewable Electricity (MWh)** 104,880.63 122,505.22 174,701.68 232,488.43 253,894.78 Electric Power (MWh) 461,426.13 439,773.23 460,693.35 439,215.11 409,650.68 Renewable Electricity (%) 23 28 38 53 62 Renewable Energy (%) 16 20 27 37 43 Total Self-Generated Energy (GJ) 11,845 14,590 11,461 12,019 15,710 Energy Saving Activities (#) 59 74 102 129 118 Annual Savings from Energy Saving Activities (GJ) 35,573 19,470 72,845 439,347 64,987 Capital Invested in Energy Savings ($MM USD) 1.97 2.43 1.74 5.05 3.79 PURCHASED ENERGY (%) Purchased Electricity (%) 49.74 51.70 51.05 69.79 68.76 Purchased Natural Gas (%) 12.89 14.11 13.46 29.45 30.24 Purchased Steam (%) 0.00 0.00 0.00 0.00 0.00 Purchased Diesel Fuel (%) 0.87 0.95 1.12 0.76 0.48 SOURCES OF PURCHASED ELECTRICITY (%)2 Non-Renewable: Coal 46.72 45.53 41.12 40.04 39.61 Non-Renewable: Natural Gas 33.69 36.12 17.51 17.41 17.35 Non-Renewable: Other Fossil Fuels 0.00 0.00 0.26 0.21 20.00 Non-Renewable: Nuclear 11.95 11.37 9.86 9.01 8.82 Non-Renewable: Oil 2.16 1.60 1.82 1.70 1.67 Renewable: Hydro 3.24 2.23 14.79 15.22 14.07 Renewable: Wind 0.70 0.88 7.94 9.02 9.97 Renewable: Solar 1.48 2.20 3.76 4.67 5.61 Renewable: Biomass 0.06 0.07 2.53 2.44 2.37 Renewable: Geothermal 0.00 0.00 0.29 0.28 0.27 (continues on next page) HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2023 76 (continues on next page) Category 2019* 2020* 2021* 2022* 2023 EMISSIONS1 Greenhouse Gas Emissions (MT Scope 1 GHG)** 36,680 39,023 36,147 34,792 33,384 Greenhouse Gas Emissions (MT Scope 2 GHG)** 169,789 102,479 100,595 99,465 72,976 Greenhouse Gas Emissions (MT Scope 3 GHG)3 584,622 1,440,584 2,122,338 6,421,128 See CDP Greenhouse Gas Emissions (MT Scope 1 & 2 GHG)** 206,469 141,502 136,742 134,257 106,360 Greenhouse Gas Emissions Intensity (MT 1&2 GHG/ MT Sales) 0.44 0.32 0.28 0.30 0.28 Greenhouse Gas Emissions Intensity (MT 1&2 GHG/ $B Revenue) 51,864 63,886 41,249 39,524 33,840 Annual GHG Emissions Avoidance from ESA & WMA (MT) 8,378 10,235 33,631 115,099 127,938 Reportable Releases—above permitted limits (#) 0 0 0 0 1 EMISSIONS OF SOX/NOX/VOC/HAPS (MT) SOx 0.14 0.13 0.13 0.25 0.43 NOx 14.74 10.85 11.77 12.96 13.40 VOC 695.40 659.43 648.17 563.96 669.99 Top 4 Hazardous Air Pollutants 0.98 1.00 1.18 6.96 6.77 Particulate Matter 33.78 30.99 32.88 28.02 31.09 WASTE Total Waste (MT) 31,087 29,783 33,090 32,267 31,462 Total Waste Intensity (Kg Waste/MT Sales) 66.60 66.92 66.90 71.88 82.66 Total Waste Intensity (MT Waste/ $B Revenue) 7,809 13,447 9,982 9,499 10,010 Percent of Total Waste Recycled/Beneficially Reused (%) 51.45 50.51 47.85 48.60 61.06 Percent of Total Waste Landfilled (%) 40.13 40.20 43.26 44.24 34.17 Total Waste Landfilled (MT)** 12,476 11,972 14,315 14,274 10,751 Total Non-Hazardous Waste (MT) 27,608 26,606 29,298 28,503 28,318 Waste Minimization Projects (#) 34 53 142 114 84 Annual Diversion from Waste Minimization Projects (MT) 2,087 743 3,136 8,425 13,965 Capital Invested in Waste Minimization ($MM USD) 0.00 0.33 1.48 2.68 0.40 Landfill Free Sites (%) N/A N/A N/A N/A 42 HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2023 77 Category 2019* 2020* 2021* 2022* 2023 HAZARDOUS WASTE Hazardous Waste US & Canada (%) 29 16 19 21 26 Hazardous Waste Latin America (%) 5 5 6 6 3 Hazardous Waste Europe (%) 36 51 41 34 36 Hazardous Waste Asia Pacific (%) 27 25 30 36 34 Hazardous Waste Middle East & Africa (%) 3 3 4 3 2 Total Hazardous Waste (MT) 3,480 3,177 3,792 3,850 3,173 WATER Total Water Withdrawal (1000 m3) 1,356 1,801 1,796 1,738 1,599 Total Water Withdrawal Intensity (m3/MT Sales) 2.90 4.05 3.63 3.87 4.20 Total Wastewater Discharge (1000 m3) 892 1,032 1,164 1,122 1,146 Wastewater Recycled (% of Total) 34 43 35 35 28 Total Water Related NoV (#) 0 0 0 0 3 Withdrawal & Consumed from High and Extremely High Risk Areas (% of Total) 38 35 30 28 26 Water Minimization Projects (#) 4 6 19 19 10 Annual Diversion from Water Minimization Projects (1000 m3) 9 19 55 115 284 Capital Invested in Water Minimization ($MM USD) 0.04 0.38 0.24 0.07 1.02 SITES IN HIGH & EXTREMELY HIGH WATER RISK AREAS BY REGION US & Canada (%) N/A N/A N/A N/A 11 Latin America (%) N/A N/A N/A N/A 4 Europe (%) N/A N/A N/A N/A 6 Asia Pacific (%) N/A N/A N/A N/A 12 Middle East & Africa (%) N/A N/A N/A N/A 4 CERTIFIED ENVIRONMENTAL MANAGEMENT SYSTEMS Facilities externally certified to ISO14001/RC14001 (%)4 N/A 50 52 57 58 Facilities externally certified to ISO50001 (# of high energy sites)4 2 2 2 2 3 Suppliers externally certified ISO14001 (% of surveyed) N/A 70 75 72 72 Suppliers externally certified to ISO50001 (% of surveyed) N/A 17 19 24 32 *Includes estimated full year performance of APM acquisition **2019 baseline data revised to account for acquisition pro-forma performance and divestitures (1) Refer to CDP Climate Change Report for finalized Energy/Emissions information https://www.avient.com/company/sustainability/sustainability-report/reporting/cdp-climate-change-report (2) Estimates.

LEARN MORE Mevopur™ Bio-Based Polymer Solutions Color and additive concentrates based on bio-polymers developed to enable sustainability into the design of medical devices and pharmaceutical packaging. LEARN MORE ECCOH™ XL Cross-Linkable Solutions Sustainability Report | 2024 20Contents | About Avient | Message from the CEO | Sustainability at Avient | Enabling a Sustainable World | Preserving the Planet | Culture of Safety & Sustainability | Governance | Appendix https://www.avient.com/company/sustainability/sustainable-solutions-portfolio https://www.avient.com/company/sustainability/sustainable-solutions-portfolio https://www.avient.com/company/sustainability/sustainable-solutions-portfolio https://www.avient.com/company/sustainability/sustainable-solutions-portfolio https://www.avient.com/sites/default/files/2023-05/SG%20Liner%20for%20Pipe%20Replacement%20-%20Case%20Study.pdf https://www.avient.com/products/engineered-polymer-formulations/sustainable-formulations/eccoh-xl-cross-linkable-solutions https://www.avient.com/products/thermoplastic-elastomers/versaflex-hc-thermoplastic-elastomers https://www.avient.com/products/polymer-colorants/healthcare-colorants/mevopur-healthcare-bio-based-polymer-solutions At Avient, our culture of safety—including our product portfolio—is a foundational strength that drives everything we do. Minority(1) Directors, General Managers, VP/SVP 29% Management 41% Professionals 54% Production Employees 56% All Avient Employees 51% Race & Ethnicity(1) American Indian or Alaskan Native 0% Asian 4% Black or African American 18% Native Hawaiian/Other Pacific Islander 0% Two or More Races 1% Hispanic or Latino 13% White 64% Global Employees by Age Under 30 11% 30–50 58% Over 50 31% Global Gender Diversity by Level—Female Directors, General Managers, VP/SVP 17% Management 29% Professionals 41% Production Employees 9% All Avient Employees 23% Turnover(2) Total Global Turnover = 8.3% > 1 Year of Service Direct (Hourly & Production) 8.4% Indirect (Professional) 8.2% Total 8.3% New Hires(3) New Hires as a % of Total Employee Population = 9.0% Female and/or U.S.