It is this granular information that Avient utilizes to drive improvement projects. While our goal focuses on waste impacts from our direct operations, we also seek opportunities along our value chain to work with suppliers to reduce waste associated with shipping materials and with customers by offering products that incorporate recycled content or extend the useful life of a product. This greatly helps to protect the environment and save valuable resources.

Compliance with Laws and Avient Supplier Code of Conduct 12.1 Avient is a member of two supply chain security programs: U.S. For all Goods supplied to the U.S. and/or Canada, Supplier shall comply with CTPAT supply chain security guidelines. In furtherance of the foregoing, we expect our suppliers to: supply only conflict free 3TG metals to Avient; engage in due diligence of supply chains by following a nationally or internationally recognized due diligence framework; upon request, report to Avient on its due diligence process and certify that 3TG metals supplied to Avient from the Covered Countries are conflict free; and promptly report to Avient any supply chain changes regarding the origin of 3TG metals or conflict status. 12.11 Supplier and Avient shall abide by the requirements of 41 C.F.R.

Low coefficient of thermal expansion Office Supplies Auto-injectors and Drug Delivery Pens

This abundant supply includes thousands of tons of PVB, found in the inner layer of the glass, potentially bound for landfills. Avient’s unique formulation expertise allows the supply of reprocessed, high-quality, non-toxic PVB to be upcycled into more sustainable TPEs with excellent properties. About Avient

SER_Report_2021 ACTIVITY GROUP PERFORMANCE Trading, wholesale, distribution, rental & leasing Your company is amongst 19% of companies that reached Leadership level in your Activity Group A sample of A-list companies from your Activity Group: Grupo Logista Hilton Food Group plc Lerøy Seafood Group Samsung C&T Avient received a A- which is in the Leadership band. Leadership (A/A-): Implementing current best practices Management (B/B-): Taking coordinated action on supplier engagement Awareness (C/C-): Knowledge of impacts of supplier engagement Disclosure (D/D-): Transparent about supplier engagement UNDERSTANDING YOUR SCORE REPORT Avient Region North America Country United States of America Questionnaire Chemicals Activity Group Trading, wholesale, distribution, rental & leasing CDP evaluates organizations engagement with their suppliers on climate change. By evaluating supplier engagement and recognizing best practice, CDP aims to accelerate global action on supply chain emissions.

We  expect  our  global  supply  chain  partners  to  do  the  same,  whether  or  not  they  are  subject  to  the   reporting  requirements  of  the  Act.             This  includes  annually  conducting  a  reasonable  due  diligence  inquiry  of  our   suppliers  into  the  source  and  conflict  status  of  any  3TG  metals  contained  in  Avient  products  that  are  within  the   scope  of  the  Act.     We  require  our  suppliers  to  also  engage  in  due  diligence  of  their  supply  chains  and  to  annually   certify  the  origin  and  conflict  status  of  the  3TG  metals  they  supply  to  Avient.   10.8.20

Pro Forma Financial Information The Company acquired Avient Protective Materials (“Dyneema”) on September 1, 2022 (the “Acquisition Date”) and sold the Distribution segment on November 1, 2022. The Company acquired the Clariant Color business on July 1, 2020. Cullen - Materials Innovation and Sustainability Lead “With Dyneema you are able to make a very lightweight lifting product, and therefore save a lot of energy.”

Our unique position in the supply chain allows us to work with suppliers to innovate materials solutions to help our customers succeed, while enabling a sustainable world. Implementing these standards into Supplier performance are important to us and we expect our Suppliers and business partners to communicate these expectations throughout their supply chain by adopting efficient management systems, policies, procedures, and training to uphold the standards and expectations set forth in this Supplier Code of Conduct within their own business operations. In furtherance of the foregoing, we expect our Suppliers to: • Supply only conflict free 3TG metals to Avient; https://nam10.safelinks.protection.outlook.com/?

Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources. For the same reasons, Avient is unable to address the probable significance of the unavailable information. 2 O P E N I N G RE MARK S 4 REGIONAL DEMAND TRENDS-TOTAL COMPANY Q 1 S A L E S V S P Y ( E X C L U D I N G F X ) 4 +2% -6% Flat +2% Avient ex. FX -1.5% FX -0.5% Total Avient -2.0% Q 1 2024 RE S U LT S Q1 2024 PERFORMANCE VS.

A leading supplier of advanced automotive technologies approached Avient to create a new olefinic material for an HVAC damper. Avient engineered a new customized formulation for the part using Maxxam™ Polyolefin Formulations. Designers were able to achieve a relative weight saving of 90 percent without compromising performance.