Director since: 2013 Age: 64 Current Public Company Directorships: • American Electric Power Company, Inc. • Trinseo PLC Current Non-Public Company Directorships: • Ripple Therapeutics • Interface Biologics, Inc. now Conagra Brands, Inc.). As of December 31, 2021, BlackRock, Inc. had sole voting power with respect to 11,108,702 of these shares, sole dispositive power with respect to all of these shares, and shared voting and dispositive power with respect to none of the shares. (2) Based on information contained in a Schedule 13G/A filed by The Vanguard Group with the SEC on February 9, 2022.

The Edgetek™ portfolio consists of a broad range of specialty thermoplastics using a spectrum of engineering resins. Discover the comprehensive technical services available through Specialty Engineered Materials at Avient to assist customers Pre-Colored Specialty Engineered Formulations

Homepage // News Center // Avient to Feature Specialty & Sustainable Technologies at K 2022 Right now, industries across the globe are adjusting to an incredible number of significant challenges in a short period – overcoming supply chain issues, reducing environmental impacts, and more – and Avient is rising to help customers meet these challenges,” said Holger Kronimus, vice president EMEA and general manager Specialty Engineered Materials EMEA and India, at Avient. Post-Consumer Recycled (PCR) Color Prediction Service is a digital service using sophisticated technology to help illustrate the color possibilities or limitations of certain types of PCR for customers, including polyolefins and polyethylene terephthalate (PET) resins.

Deliver consistent results in different base resins or resins that differ from region to region Learn about high-performance thermoplastics that surpass commodity and engineering resins Pre-Colored Specialty Engineered Formulations

Copyright 2011-2023 ABS Quality Evaluations, Inc. ISO 9001:2015 The Quality Management System is applicable to: Certificate No: 65799 Certification Date: 01 October 2020 Effective Date: 25 September 2023 Expiration Date: 30 September 2026 Revision Date: 26 September 2023 Dominic Townsend, President DESIGN AND MANUFACTURE OF COLOUR AND ADDITIVE CONCENTRATES, THERMOPLASTIC RESINS AND SPECIALTY COMPOUNDS This certificate may be found on the ABS QE Website (www.abs-qe.com). Copyright 2011-2023 ABS Quality Evaluations, Inc.

• Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: � Disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future; � The financial condition of our customers, including the ability of customers (especially those that may be highly leveraged and those with inadequate liquidity) to maintain their credit availability; � The speed and extent of an economic recovery, including the recovery of the housing market; � The amount and timing of repurchases, if any, of PolyOne common shares and our ability to pay regular quarterly cash dividends and the amounts and timing of any future dividends; � The effect on foreign operations of currency fluctuations, tariffs, and other political, economic and regulatory risks; Changes in polymer consumption growth rates in the markets where we conduct business; Forward Looking Statements � Changes in polymer consumption growth rates in the markets where we conduct business; � Changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online; � Fluctuations in raw material prices, quality and supply and in energy prices and supply; � Production outages or material costs associated with scheduled or unscheduled maintenance programs; � Unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters; � An inability to achieve or delays in achieving or achievement of less than the anticipated financial benefit from initiatives related to working capital reductions, cost reductions, employee productivity goals, and an inability to raise or sustain prices for products or services; � The ability to successfully integrate acquired companies into our operations, retain the management teams of acquired companies, and retain relationships with customers of acquired companies, including without limitation, Color Matrix Group, Inc. The non-GAAP financial measures include: adjusted EPS, earnings before interest, tax, depreciation and amortization (EBITDA), adjusted EBITDA, net debt, Specialty platform operating income and gross margin, adjusted operating income, free cash flow, return on invested capital, GLS operating income, net debt/ EBITDA, and the exclusion of corporate charges in certain calculations.

The Complēt™ REC portfolio consists of long fiber reinforced composites incorporating post-consumer recycled (PCR) nylon 6 resin, post-industrial recycled (PIR) nylon 66 resin, and PIR thermoplastic polyurethane (TPU) resin. Explore the unique capabilities of specialty long fiber reinforced composites Discover sustainable specialty engineered polymers from Avient. 

Platform operating income mix percentage 2005Y* 2008Y* 2010Y* YTD 2013 Global Specialty Engineered Materials $ 0.4 $ 17.6 $ 49.7 $ 48.2 Global Color, Additives and Inks 4.3 28.1 37.7 83.4 Designed Structures and Solutions - - - 21.4 Specialty Platform $ 4.7 $ 45.7 $ 87.4 $ 153.0 Performance Products and Solutions 75.7 31.3 54.0 41.8 Distribution 19.5 28.1 42.0 49.7 SunBelt Joint venture 91.9 28.6 18.9 - Corporate (51.5) (425.1) (27.7) (61.7) Operating income (loss) GAAP $ 140.3 $ (291.4) $ 174.6 $ 182.8 Less: Corporate operating expense 51.5 425.1 27.7 61.7 Operating income excluding Corporate $ 191.8 $ 133.7 $ 202.3 $ 244.5 Specialty platform operating mix percentage 2% 34% 43% 63% * Historical results include the Resin and Specialty Coatings businesses within the Performance Products and Solutions segment. Platform sales and operating income (OI) 2006Y* YTD 2013 Organic’ Acquisitions** YTD 2013’ Consolidated Global Specialty Engineered Materials Sales $ 345.3 $ 427.2 $ 113.6 $ 540.8 Global Color, Additives and Inks Sales 531.8 608.0 45.7 653.7 Designed Structures and Solutions Sales - - 428.2 428.2 Specialty Platform Sales $ 877.1 $ 1,035.2 $ 587.5 1,622.7 Performance Products and Solutions Sales 1,166.2 473.6 39.2 512.8 PolyOne Distribution Sales 732.8 818.1 - 818.1 Corporate and eliminations (153.7) (106.0) - (106.0) Total Sales $ 2,622.4 $ 2,220.9 $ 626.7 $ 2,847.6 Global Specialty Engineered Materials OI $ 3.9 $ 46.1 $ 2.1 $ 48.2 Global Color, Additives and Inks OI 8.9 78.0 5.4 83.4 Designed Structures & Solutions OI - - 21.4 21.4 Specialty Platform OI $ 12.8 $ 124.1 $ 28.9 $ 153.0 Performance Products and Solutions OI 64.2 38.1 3.7 41.8 PolyOne Distribution OI 19.2 49.7 - 49.7 Sunbelt Joint Venture OI 102.9 - - - Corporate and eliminations (4.6) (39.5) - (39.5) Special items in OI 39.1 (22.2) - (22.2) Operating income GAAP $ 233.6 $ 150.2 $ 32.6 $ 182.8 Sunbelt equity income (107.0) - - - Special items in OI (39.1) 22.2 - 22.2 Operating income adjusted $ 87.5 $ 172.4 $ 32.6 $ 205.0 Global Specialty Engineered Materials - OI % of sales 1.1% 10.8% 1.8% 8.9% Global Color, Additives and Inks - OI % of sales 1.7% 12.8% 11.8% 12.8% Designed Structures & Solutions - OI % of sales - - 5.0% 5.0% Specialty platform OI - % of sales 1.5% 12.0% 5.0% 9.4% PP&S operating OI - % of sales 5.5% 8.0% 9.4% 8.2% Distribution OI - % of sales 2.6% 6.1% - 6.1% PolyOne OI adjusted - % of sales 3.3% 7.8% 5.2% 7.2% * Historical results include the Resin and Specialty Coatings businesses within the Performance Products and Solutions segment. ** Spartech and Glasforms results for the nine months ended September 30, 2013. Spartech results reflect results since the date of acquisition. “””Three Months Ended ‘’’’’September 30, Platform operating income “””””””2013 2012 (a) Global Specialty Engineered Materials $ 15.7 $ 13.1 Global Color, Additives and Inks 28.7 18.6 Designed Structures and Solutions 10.9 – Specialty Platform 55.3 31.7 Performance Products and Solutions 14.3 12.3 PolyOne Distribution 16.6 16.4 Corporate and eliminations (24.6) (16.9) Operating income $ 61.6 $ 43.5 (a) Adjusted to reflect the resins business as a discontinued operation.

ColorMatrix™ Optica™ Specialty Toners for PC Polycarbonate is used for the production of automotive interiors and appliances to consumer goods and electronics, replacing more traditional materials such as glass and acrylic. ColorMatrix™ Optica™ Specialty Toners for PC is the cutting-edge liquid toner for polycarbonate resins that provides visual clarity for PC and improves aesthetics on the product surface. This solution offers better color consistency and better color dispersion in transparent PC resins, helping to retain transparent properties and preventing contamination by keeping production lines clean.

Lin also serves as a director for two other public companies and one privately-held biomedical polymer company, which provides her with additional experience she utilizes while serving as a valued member of our Board. �� Current Directorships: WESCO International, Inc.; American Electric Power Company, Inc.; and Interface Biologics Inc. The following table shows information relating to all persons who, as of February 28, 2018, were known by us to beneficially own more than five percent of our outstanding common shares based on information provided in Schedule 13Gs and 13Ds filed with the SEC: Name and Address Number of Shares % of Shares BlackRock, Inc. 55 East 52nd Street New York, New York 10055(1) 8,465,552 10.5% The Vanguard Group, Inc. 100 Vanguard Boulevard Malvern, Pennsylvania 19355(2) 7,078,858 8.76% (1) As of December 31, 2017, based upon information contained in an amendment to the Report on Schedule 13G filed with the SEC by BlackRock, Inc., which reported that BlackRock, Inc., together with certain of its affiliates, had sole voting power with respect to 8,282,667 of these shares and sole dispositive power with respect to all of these shares. (2) As of December 31, 2017, based upon information contained in an amendment to the Report on Schedule 13G filed with the SEC by The Vanguard Group, Inc., which reported that The Vanguard Group, Inc., together with certain of its affiliates, had sole voting power with respect to 156,839 of these shares, sole dispositive power with respect to 6,918,635 of these shares, shared voting power with respect to 10,249 of these shares and shared dispositive power with respect to 160,223 of these shares. Schulman, Inc.