Complete implementation for suppliers and employers will be required by December 1, 2018.

Our technical laboratories and production processes are completely integrated and equipped with state of the art technology focused on minimizing waste products.

Sure, you can grind up a tire into a material for the track around a high school, but the material itself can’t be changed or transformed into a completely new and recyclable product.

ECert - 2024-03-22T110644.362.pdf Page 1 of 10 Validity of this certificate is based on the successful completion of the periodic surveillance audits of the management system defined by the above scope and is contingent upon prompt,written notification to ABS Quality Evaluations, Inc. of significant changes to the management system or components thereof.

Further, as a result of Avient's strategic shift to an innovator of materials solutions, it has completed several acquisitions and divestitures which have resulted in a significant amount of intangible asset amortization.

Associates complete cybersecurity training to help identify and respond to potential cybersecurity risks and reinforce safe behaviors. Total consideration paid by the Company to complete the APM Acquisition was $1.4 billion, net of cash acquired. As of December 31, 2023, the purchase accounting for the APM Acquisition was complete.

The efficiency of the design may be verified by recording the time it takes to make a complete color change while producing parts. For hot tip gate systems, there should be a delay long enough for the part to set up completely before mastication is initiated for the next cycle. Maintain this speed until the part is 90% full and then reduce it further to completely fill the cavity without flashing the part.

That’s Avient. 21,000+ CUSTOMERS >75% ARE CUSTOMIZED SOLUTIONS TO UNIQUE SPECIFICATIONS of sales 5 In July 2020, we completed the acquisition of the Clariant Masterbatch business, the largest acquisition in the 20-year history of our company. Operating Income $3,783 $4,300 2020PF 2021E Adjusted EPS (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition Previous Guidance Current Guidance $3,783 $4,650 2020PF 2021E $308 $410 2020PF 2021E $308 $430 2020PF 2021E $1.93 $2.80 2020PF 2021E $1.93 $3.00 2020PF 2021E (1) (1)(1) (1)(1) (1) (in millions) (in millions) $442 $457 $580 2019PF 2020PF 2021E $1.74 $1.93 $3.00 2019PF 2020PF 2021E FULL YEAR 2019 – 2021 ORGANIC GROWTH ( T O TA L C O M PA N Y ) 22 Sales Adjusted EBITDA $3,981 $3,783 $4,650 2019PF 2020PF 2021E + 17% Adjusted EPS (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition (1) (1) (in millions) (in millions) (1)(1) + 31% + 72% (1) (1) ($ in millions) 2021E Adjusted EBITDA 580$ Free Cash Flow 280$ Total Debt 1,860 Less: Cash (755) Net Debt 1,105$ 2021E Net Debt / Adjusted EBITDA 1.9x 23 BA L A N C E S H E E T • Acquisition of Magna Colours completed on July 1 – expands sustainable solutions portfolio through water-based inks technology • Deleveraging to 1.9x net debt to adjusted EBITDA by the end of 2021 • Driven by record adjusted EBITDA performance and strong free cash flow generation from asset light business • Future cash deployment: M&A, opportunistic share repurchases and balance sheet / continued leverage reduction 3.5x 2.7x 1.9x 2019PF 2020PF 2021E Net Debt / Adjusted EBITDA (1) (1) (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition S U S TA I NA B I L I T Y F O R A B ET T E R TO M O R ROW 24 • Revenue from sustainable solutions expected to grow 14% in 2021 as our innovation efforts and collaboration with customers continues to accelerate • Investments centered around innovation and global sustainability megatrends o Enabling a circular economy – Technologies that allow for increased use of post-consumer recycled (PCR) material and improve recyclability of plastics o Light-weighting – Composites and CAI applications to reduce weight and material requirements, which minimize energy and carbon emissions o Eco-Conscious – Health and human safety applications as well as Avient’s alternative materials to replace lead, PVC, halogens, BPA and other less eco-friendly options 24 2016 2017 2018 2019 2020PF** Bio-polymers Reduced Energy Use Human Health & Safety Sustainable Infrastructure VOC Reduction Recycle Solutions Eco-Conscious Lightweighting Revenue From Sustainable Solutions* 2016-2020 $405M $455M *Avient Sustainable Solutions definitions aligned with FTC 2012 Guide for the Use of Environmental Marketing Claims (“Green Guides”) **2020 is Pro Forma to include full year of the Clariant Masterbatch business $340M $550M $790M 24 25 Key Updates • Includes Clariant Masterbatch performance • Increases disclosures and ESG data • Provides performance updates on 2030 Sustainability Goals • Commits to operational carbon neutrality in 2050 and 100% renewable energy by 2050 (RE 100) • Announces Avient’s participation in U.N. Our free cash flow supports shareholder value creation through investing in R&D for organic growth, completing bolt-on acquisitions, and returning cash to shareholders via our dividend program and opportunistic share repurchases. 30 1.

Please submit your vote and proxy by telephone or over the internet, or complete, sign, date and return your proxy card or voting instruction card. Upon completing this assessment, the Compensation Committee also determined that no “conflicts of interest have been raised by the work performed by the Consultant.” In the event of a change of control, cash-settled performance units for which all performance periods are completed as of December 30, 2022 are valued at actual attainment, and cash-settled performance units for which all performance periods are not completed as of December 30, 2022 are valued at target attainment.

Please submit your vote and proxy by telephone or over the internet, or complete, sign, date and return your proxy card or voting instruction card. Upon completing this assessment, the Compensation Committee also determined that no “conflicts of interest have been raised by the work performed by the Consultant.” In the event of a change of control, cash-settled performance units for which all performance periods are completed as of December 31, 2021 are valued at actual attainment, and cash-settled performance units for which all performance periods are not completed as of December 31, 2021 are valued at target attainment.