Row 16 (3.2.1) Country/Area & River basin Mexico ☑ Verde (3.2.2) Value chain stages where facilities at risk have been identified in this river basin Select all that apply ☑ Direct operations (3.2.3) Number of facilities within direct operations exposed to water-related risk in this river basin 1 (3.2.4) % of your organization’s total facilities within direct operations exposed to water-related risk in this river basin Select from: 46 ☑ Less than 1% (3.2.10) % organization’s total global revenue that could be affected Select from: ☑ Less than 1% (3.2.11) Please explain Data based on sites with extremely high water risk level from WRI. Avient is impacted by the price increase caused by allowances as we are buying natural gas from suppliers who need to purchase allowances in order to comply with the Germany ETS system. Select from: ☑ No (7.30.16.4) Consumption of purchased heat, steam, and cooling (MWh) 0 (7.30.16.5) Consumption of self-generated heat, steam, and cooling (MWh) 0 313 (7.30.16.6) Total electricity/heat/steam/cooling energy consumption (MWh) 665.63 (7.30.16.7) Provide details of the electricity consumption excluded NA Mexico (7.30.16.1) Consumption of purchased electricity (MWh) 3337.62 (7.30.16.2) Consumption of self-generated electricity (MWh) 0 (7.30.16.3) Is some or all of this electricity consumption excluded from your RE100 commitment?

Information is considered material if it could influence an investor’s decision to buy, sell or hold shares in the Company’s stock.

The Producer Services business unit offers contract manufacturing and outsourced polymer manufacturing services to resin producers and polymer marketers, primarily in the United States and Mexico, as well as its own proprietary compounds for pressure pipe and drip irrigation applications. Toluca, Mexico 11. Salisbury, Maryland Mexico (11 Manufacturing 14.

Toluca, Mexico 8. Ramos Arizpe, Mexico 15. The Producer Services business unit offers contract manufacturing and outsourced polymer manufacturing services to resin producers and polymer marketers, primarily in the United States and Mexico, as well as its own proprietary formulations for certain applications.

Revenue from these operations (principally from Canada, Mexico, Europe, South America and Asia) was approximately 39% in 2012, 39% in 2011 and 36% in 2010 of our total revenues. Toluca, Mexico (8 Distribution Facilities) 9. Our operations are located primarily in the United States, Europe, Canada, Mexico, Asia and Brazil.

Santa Clara, Mexico 78. Toluca, Mexico 79. How our associates continue to speak with pride about Avient is what sets our workplace apart from other companies.

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 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 | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | 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 Service, 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 | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | 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 Service, 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.