Consider the benefits, drawbacks, and target applications suitable for this technology. Limited geometry: Pultruded composites are limited to constant or near constant cross-section components.

This is due to the inherent difficulty of forecasting the timing and amount of certain items, such as, but not limited to, restructuring costs, environmental remediation costs, acquisition-related costs, and other non- routine costs. From technology portfolios to end markets to geographies and distribution channels, this acquisition made perfect sense. Obtain 40% of electricity demand from renewable sources. 100% of technology platform projects will deliver sustainable solutions.

New PolyOne Technology Improves Brand Protection and Combats Counterfeiting of Consumer Electronics To News Center INVESTOR CENTER

Microsoft PowerPoint - AVNT Q2 2021 Earnings Presentation - Website AVIENT CORPORATION S E C O N D Q U A R T E R 2 0 2 1 R E S U LT S (NYSE: AVNT) J U LY 3 0 , 2 0 2 1 DISCLAIMER 2 Forward-Looking Statements In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. This is due to the inherent difficulty of forecasting the timing and amount of certain items, such as, but not limited to, restructuring costs, environmental remediation costs, acquisition-related costs, and other non- routine costs. 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 (TOTAL COMPANY) 16 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 17 BALANCE SHEET • 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 SUSTAINABILITY FOR A BETTER TOMORROW 18 • 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 18 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 18 19 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.

Homepage // News Center // PolyOne Co-Organizes Inaugural Healthcare Elastomers Conference To News Center Investor Center

Samples will be on display next week at NPE 2015 in PolyOne’s Customer Innovation Center, Room S230BC.  To News Center Investor Center

Obtain approval from Avient’s Information Technology department before procuring, installing, connecting, using, or decommissioning software, systems, applications, or non-Avient devices to or from Information Systems, including, but not limited to, on premise and cloud-based systems. Limited personal use of Avient Information Systems, including for social media and networking purposes, is acceptable, but must not breach any law or Avient policies, interfere with the User’s or other employees’ ability to fulfill employment obligations, negatively affect Information Systems, or otherwise violate this Policy. Authorized individuals within Avient IT may monitor or audit Information Systems use, whether company or personal, including, without limitation, Internet traffic and e-mail content, at any time and without prior notice to the User.

Homepage // News Center // PolyOne ‘Driving’ Advanced Polymer Solutions for Future Vehicles at PIAE 2019 To News Center Investor Center

Both of these advanced long-fiber technologies are now commercially available in Asia. To News Center Investor Center

Homepage // News Center // PolyOne Helps Global Vision 2020 Bring the USee™ to Life To News Center Investor Center