Santa Clara, Mexico 8. Toluca, Mexico 11. North / Central America South America Europe Middle East/ Asia Africa Australia Canada Argentina Aland Islands Georgia Norway Afghanistan Kazakhstan Saudi Arabia Algeria South Africa Australia Costa Rica Belize Armenia Germany Poland Azerbaijan Kyrgyzstan Singapore Egypt Tanzania New Caledonia Dominican Republic Bolivia Austria Greece Portugal Bahrain Kuwait South Korea Ghana Tunisia New Zealand El Salvador Brazil Belarus Hungary Romania Bangladesh Laos Sri Lanka Guinea Zambia Guatemala Chile Belgium Iceland Serbia Bhutan Lebanon Taiwan Ivory Coast Zimbabwe Haiti Colombia Bosnia Herzegovina Ireland Slovakia Cambodia Malaysia Tajikistan Kenya Honduras Ecuador Bulgaria Italy Slovenia China Maldives Thailand Libya Jamaica Paraguay Croatia Kosovo Spain Hong Kong Myanmar Turkey Madagascar Mexico Peru Cyprus Latvia Sweden India Nepal United Arab Emir.

Santa Clara, Mexico 75. Toluca, Mexico 76. Mariana Islands Mexico Uruguay Cyprus Luxembourg Switzerland Israel Qatar Kenya Nicaragua Venezuela Czech Republic Malta Ukraine Japan Russia Libya Panama Denmark Moldova United Kingdom Jordan Saudi Arabia Madagascar Puerto Rico Estonia Netherlands Kazakhstan Singapore Mali Trinidad & Tobago Finland North Macedonia Kyrgyzstan South Korea Mauritius United States France Norway Kuwait Sri Lanka Morocco HOME | Contents | CEO 致辞 | 关于我们 | 人类 | 产品 | 地球 | Per formance | 指标 | Index Sustainability Report | 2023 15 • Sustainability performance recognized with a Gold Medal for EcoVadis, and with an A- Ranking for CDP Climate Change • Ranked as one of America’s Most Responsible Companies by Newsweek, 100 Most Sustainable Companies by Barron’s, and recognized on the USA Today’s America’s Climate Leaders List • Reaffirmed our commitment to the UN Global Compact and the Alliance to End Plastic Waste • Launched Avient’s Product Carbon Footprint (PCF) Mapping Ser vice, 3rd party certified by TÜV Rhineland • Recognized with 4 sustainability innovation and design recognitions as finalists or award winners • Made strong progress in reducing company’s Scope 1 & 2 GHG emissions, reaching nearly 50% reduction in 2023 vs. 2019 Message from Avient’s VP of Sustainability Sustainability is core to Avient’s strategy.

Santa Clara, Mexico 75. Toluca, Mexico 76. Mariana Islands Mexico Uruguay Cyprus Luxembourg Switzerland Israel Qatar Kenya Nicaragua Venezuela Czech Republic Malta Ukraine Japan Russia Libya Panama Denmark Moldova United Kingdom Jordan Saudi Arabia Madagascar Puerto Rico Estonia Netherlands Kazakhstan Singapore Mali Trinidad & Tobago Finland North Macedonia Kyrgyzstan South Korea Mauritius United States France Norway Kuwait Sri Lanka Morocco HOME | Contents | CEO 致辞 | 关于我们 | 人类 | 产品 | 地球 | Per formance | 指标 | Index Sustainability Report | 2023 15 • Sustainability performance recognized with a Gold Medal for EcoVadis, and with an A- Ranking for CDP Climate Change • Ranked as one of America’s Most Responsible Companies by Newsweek, 100 Most Sustainable Companies by Barron’s, and recognized on the USA Today’s America’s Climate Leaders List • Reaffirmed our commitment to the UN Global Compact and the Alliance to End Plastic Waste • Launched Avient’s Product Carbon Footprint (PCF) Mapping Ser vice, 3rd party certified by TÜV Rhineland • Recognized with 4 sustainability innovation and design recognitions as finalists or award winners • Made strong progress in reducing company’s Scope 1 & 2 GHG emissions, reaching nearly 50% reduction in 2023 vs. 2019 Message from Avient’s VP of Sustainability Sustainability is core to Avient’s strategy.

Argentina Belgium Brazil Canada Chile China Colombia Czechia Finland France Germany Guatemala Hungary India Indonesia Ireland Italy Luxembourg Malaysia Mexico Netherlands New Zealand Pakistan Peru Poland Saudi Arabia Singapore South Africa Spain Sweden Taiwan, Greater China Thailand Turkey United Kingdom of Great Britain and Northern Ireland United States of America Viet Nam C0.4 (C0.4) Select the currency used for all financial information disclosed throughout your response. Country/Region Scope 2, location- based Scope 2, market- based Purchased and consumed electricity, heat, Purchased and consumed low-carbon electricity, heat, steam or Avient CDP Climate Change Questionnaire 2021 2021年8月3日（星期二） 65 (metric tons CO2e) (metric tons CO2e) steam or cooling (MWh) cooling accounted for in Scope 2 market-based approach (MWh) Belgium 1,348 1,195 6,704 335 Brazil 444 444 4,448 0 Canada 334 334 2,530 0 China 21,484 21,484 34,853 0 Czechia 185 36 373 312 Finland 131 346 1,117 0 France 658 516 11,948 0 Germany 8,802 9,812 21,936 5,834 Hungary 644 725 2,537 0 India 5,362 5,362 7,135 0 Italy 6,204 1,063 20,146 17,864 Luxembourg 35 100 222 0 Mexico 1,711 1,711 3,750 0 Netherlands 250 332 598 0 Peru 36 36 182 0 Poland 2,499 2,857 3,523 0 Saudi Arabia 8,214 8,214 15,865 0 Singapore 1,161 1,161 2,984 0 Spain 6,992 9,236 26,952 0 Thailand 4,369 4,369 9,016 0 United Kingdom of Great Britain and Northern Ireland 350 531 1,527 0 United States of America 51,565 5,458 121,433 100,004 Turkey 3,317 3,317 7,119 0 Guatemala 252 252 660 0 Pakistan 1,218 1,218 3,101 0 Argentina 289 212 897 240 South Africa 830 830 927 0 Indonesia 1,111 1,111 1,451 0 Chile 46 46 114 0 Sweden 25 0 1,883 1,883 New Zealand 225 225 2,073 0 Avient CDP Climate Change Questionnaire 2021 2021年8月3日（星期二） 66 Viet Nam 338 338 743 0 Colombia 375 375 2,338 0 Ireland 350 524 1,057 0 Malaysia 461 461 697 0 Taiwan, Greater China 3,348 3,348 5,991 0 C7.6 (C7.6) Indicate which gross global Scope 2 emissions breakdowns you are able to provide.

Santa Clara, Mexico 75. Toluca, Mexico 76. Mariana Islands Mexico Uruguay Cyprus Luxembourg Switzerland Israel Qatar Kenya Nicaragua Venezuela Czech Republic Malta Ukraine Japan Russia Libya Panama Denmark Moldova United Kingdom Jordan Saudi Arabia Madagascar Puerto Rico Estonia Netherlands Kazakhstan Singapore Mali Trinidad & Tobago Finland North Macedonia Kyrgyzstan South Korea Mauritius United States France Norway Kuwait Sri Lanka Morocco HOME | Contents | CEO 致辞 | 关于我们 | 人类 | 产品 | 地球 | Per formance | 指标 | Index Sustainability Report | 2023 15 • Sustainability performance recognized with a Gold Medal for EcoVadis, and with an A- Ranking for CDP Climate Change • Ranked as one of America’s Most Responsible Companies by Newsweek, 100 Most Sustainable Companies by Barron’s, and recognized on the USA Today’s America’s Climate Leaders List • Reaffirmed our commitment to the UN Global Compact and the Alliance to End Plastic Waste • Launched Avient’s Product Carbon Footprint (PCF) Mapping Ser vice, 3rd party certified by TÜV Rhineland • Recognized with 4 sustainability innovation and design recognitions as finalists or award winners • Made strong progress in reducing company’s Scope 1 & 2 GHG emissions, reaching nearly 50% reduction in 2023 vs. 2019 Message from Avient’s VP of Sustainability Sustainability is core to Avient’s strategy.

Santa Clara, Mexico Shanghai, China (b) 25. Toluca, Mexico Stanley, North Carolina (b) 26. Financial information by reportable segment is as follows: (In millions) Year Ended 2023年12月31日 Total Sales Operating Income Depreciation and Amortization Capital Expenditures Color, Additives and Inks $ 2,007.4 $ 259.9 $ 98.3 $ 21.4 Specialty Engineered Materials 1,138.2 142.5 81.5 50.1 Corporate (2.8) (205.6) 9.0 47.9 Total from continuing operations $ 3,142.8 $ 196.8 $ 188.8 $ 119.4 Year Ended 2022年12月31日 Total Sales Operating Income Depreciation and Amortization Capital Expenditures Color, Additives and Inks $ 2,355.0 $ 301.0 $ 101.3 $ 41.3 Specialty Engineered Materials 1,044.4 140.1 48.7 37.4 Corporate (2.5) (197.8) 12.5 26.4 Total from continuing operations $ 3,396.9 $ 243.3 $ 162.5 $ 105.1 Year Ended 2021年12月31日 Total Sales Operating Income Depreciation and Amortization Capital Expenditures Color, Additives and Inks $ 2,401.6 $ 303.1 $ 105.7 $ 40.5 Specialty Engineered Materials 911.6 125.5 31.7 26.4 Corporate 2.3 (148.9) 7.7 32.9 Total from continuing operations $ 3,315.5 $ 279.7 $ 145.1 $ 99.8 61 AVIENT CORPORATION Our sales are primarily to customers in the United States, Canada, Mexico, Europe, South America and Asia, and the majority of our assets are located in these same geographic areas.

Santa Clara, Mexico 80. Toluca, Mexico 81. In addition, PRIDE expanded to Latin America, with presence in Mexico and Brazil.

Toluca, Mexico 9. Lerma, Mexico (5) 28. Our operations are located primarily in the United States, Europe, Canada, Asia, Mexico, and Brazil.

Santa Clara, Mexico 78. Toluca, Mexico 79. Cameroon Tanzania New Caledonia Haiti Colombia Belgium Ireland Serbia Greater China Nepal Uzbekistan Egypt Tunisia New Zealand Honduras Ecuador Bosnia Herzegovina Italy Slovakia India Oman Vietnam Ethiopia Uganda Jamaica Paraguay Bulgaria Kosovo Slovenia Indonesia Pakistan Yemen Gabon Zambia Mexico Peru Croatia Latvia Spain Iraq Philippines Ghana Zimbabwe Nicaragua Suriname Cyprus Lithuania Sweden Israel Qatar Guinea Panama Uruguay Czech Republic Luxembourg Switzerland Japan Russia Ivory Coast Puerto Rico Venezuela Denmark Malta Ukraine Jordan Saudi Arabia Kenya Trinidad & Tobago Estonia Moldova United Kingdom Kazakhstan Singapore Libya United States Finland Netherlands Kyrgyzstan South Korea Mali France North Macedonia Kuwait Sri Lanka Mauritius HOME | Contents | CEO 致辞 | 关于我们 | 人类 | 产品 | 地球 | Per formance | 指标 | Index Sustainability Report | 2022 16 • Welcomed Dyneema® Protective Materials to the Avient portfolio, significantly increasing our sustainable solutions portfolio • Ranked as one of Barron’s 100 Most Sustainable Companies, Newsweek’s America’s Most Responsible Companies, and a WSJ Top 250 Best-Managed Companies • Launched 40+ new Sustainable Solutions globally in 2022 • Avient’s Sustainable Solutions Portfolio has grown at a compounded annual growth rate of 11% since 2016 • Recognized with 5 technology and design awards with products launched in 2022 • Enhanced our carbon disclosures, including Scope 3 emissions, and a 3rd party certification of our carbon emissions Message from Avient’s VP of Sustainability At Avient, sustainability is an integral part of who we are as a company.

Santa Clara, Mexico 82. Toluca, Mexico 83. Ethiopia Tanzania New Zealand Honduras Ecuador Bulgaria Italy Slovakia Greater China Nepal Uzbekistan Gabon Tunisia Jamaica Paraguay Croatia Kosovo Slovenia India Oman Vietnam Ghana Uganda Mexico Peru Cyprus Latvia Spain Indonesia Pakistan Yemen Guinea Zambia Panama Suriname Czech Republic Lithuania Sweden Iraq Philippines Ivory Coast Zimbabwe Puerto Rico Uruguay Denmark Luxembourg Switzerland Israel Qatar Kenya Trinidad & Tobago Venezuela Estonia Malta Ukraine Japan Russia Libya United States Finland Netherlands United Kingdom Jordan Saudi Arabia Madagascar France North Macedonia Kazakhstan Singapore Mali HOME | Contents | CEO 致辞 | 关于我们 | 人类 | 产品 | 地球 | 绩效 | 指标 | Index Sustainability Report | 2020 13 Sustainability remains integral to achieving Avient’s vision, mission, responsibility and performance.