Working with virtually any thermoplastic base resin, we offer a complete line of existing plastic formulations for a comprehensive set of performance requirements. Together we can unlock the powerful potential of a future envisioned by you... and shared by us all. Custom Pre-Colored Specialty Engineered Formulations

Director since: 2013 Age: 67 Current Public Company Directorships: • American Electric Power Company, Inc. • Trinseo PLC Current Non-Public Company Directorships: • Ripple Therapeutics Former Directorships: • WESCO International, Inc. Wulfsohn Former Chairman and Chief Executive Officer of Ashland Global Holdings Inc., a global leader in providing specialty chemical solutions to customers in a wide range of customer and industrial markets. As of December 31, 2023, BlackRock, Inc. had sole voting power with respect to 10,982,952 of these shares, sole dispositive power with respect to all of these shares, and shared voting and dispositive power with respect to none of these shares. (2) Based on information contained in a Schedule 13G/A filed by The Vanguard Group with the SEC on February 13, 2024.

Home // Navigating the Challenges of Semiconductor Packaging with Specialty Polymer Solutions These technologies rely on semiconductors to process data and provide cloud computing power. Avient's global specialty manufacturing footprint and ability to source high-purity raw materials can also help meet increased cleanliness requirements.

Soldiers Ballistic system from Edwards Design and Fabrication, Inc. relies on GlasArmor™ Panels More Tough Enough to Protect the Power Grid Modular ballistic protection made possible with GlasArmor™ composites More Carbon Fiber Composites Strong, lightweight alternative for metal and wood applications More Case Study: Tough Enough to Protect the Power Grid Case Study: Tough Enough to Protect the Power Grid

• 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.

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.

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.

Platform operating income mix percentage 2005Y* 2008Y* 2010Y* 2012Y* 2012PF** H1 2013*** Global Specialty Engineered Materials $ 0.4 $ 17.6 $ 49.7 $ 47.0 $ 47.7 $ 32.5 Global Color, Additives and Inks 4.3 28.1 37.7 66.8 81.6 54.7 Designed Structures & Solutions - - - - 20.9 10.5 Specialty Platform $ 4.7 $ 45.7 $ 87.4 $ 113.8 $ 150.2 $ 97.7 Performance Products and Solutions 75.7 31.3 54.0 74.9 37.4 27.5 Distribution 19.5 28.1 42.0 66.0 66.0 33.1 SunBelt Joint Venture 91.9 28.6 18.9 - - - Corporate (51.5) (425.1) (27.7) (87.6) (87.9) (37.1) Operating income (loss) GAAP $ 140.3 $ (291.4) $ 174.6 $ 167.1 $ 165.7 $ 121.2 Less: Corporate operating expense (income) 51.5 425.1 27.7 87.6 87.9 37.1 Operating income excluding Corporate $ 191.8 $ 133.7 $ 202.3 $ 254.7 $ 253.6 $ 158.3 Specialty platform operating mix percentage 2% 34% 43% 45% 60% 62% * Historical results include the Resin and Specialty Coatings businesses within the Performance Products and Solutions segment. ** Pro Forma results include Spartech and Glasforms acquisitions, Specialty Coatings reclass and exclude the Resin business assets. *** Restated results to exclude the Resin business and to remove Specialty Coatings from the Performance Products and Solutions segment into Global Color, Additives and Inks segment. Platform sales and operating income (OI) 2006Y* 2008Y* 2010Y* 2012Y* 2012PF** Global Specialty Engineered Materials Sales $ 345.3 $ 514.0 $ 517.4 $ 543.6 $ 773.0 Global Color, Additives and Inks Sales 531.8 554.3 527.4 703.5 828.5 Designed Structures and Solutions - - - - 850.6 Specialty Platform Sales $ 877.1 $ 1,068.3 $ 1,044.8 $ 1,247.1 $ 2,452.1 Performance Products and Solutions Sales 1,166.2 1,001.4 776.3 837.0 696.1 PolyOne Distribution Sales 732.8 796.7 911.9 1,030.3 1,030.3 Corporate and Eliminations (153.7) (127.7) (111.1) (121.8) (121.6) Total Sales $ 2,622.4 $ 2,738.7 $ 2,621.9 $ 2,992.6 $ 4,056.9 Global Specialty Engineered Materials OI $ 3.9 $ 17.6 $ 49.7 $ 47.0 $ 47.7 Global Color, Additives and Inks OI 8.9 28.1 37.7 66.8 81.6 Designed Structures & Solutions OI - - - - 20.9 Specialty Platform OI $ 12.8 $ 45.7 $ 87.4 $ 113.8 $ 150.2 Performance Products and Solutions OI 64.2 31.3 54.0 74.9 37.4 PolyOne Distribution OI 19.2 28.1 42.0 66.0 66.0 Sunbelt Joint Venture OI 102.9 28.6 18.9 - - Corporate and eliminations (4.6) (28.9) (32.5) (33.7) (40.0) Special items in OI 39.1 (396.2) 4.8 (53.9) (53.9) Operating income (loss) GAAP $ 233.6 $ (291.4) $ 174.6 $ 167.1 $ 159.7 Sunbelt equity income (107.0) (32.5) (23.1) - - Special items in OI (39.1) 396.2 (4.8) 53.9 53.9 Operating income adjusted $ 87.5 $ 72.3 $ 146.7 $ 221.0 $ 213.6 Global Specialty Engineered Materials - OI % of sales 1.1% 3.4% 9.6% 8.6% 6.1% Global Color, Additives and Inks - OI % of sales 1.7% 5.1% 7.1% 9.5% 9.8% Designed Structures & Solutions – OI % of sales - - - - 2.5% Specialty platform OI - % of sales 1.5% 4.3% 8.4% 9.1% 6.1% PP&S operating OI - % of sales 5.5% 3.1% 7.0% 9.0% 5.4% Distribution OI - % of sales 2.6% 3.5% 4.6% 6.4% 6.4% PolyOne OI adjusted - % of sales 3.3% 2.6% 5.6% 7.4% 5.3% * Historical results include the Resin and Specialty Coatings businesses within the Performance Products and Solutions segment. ** Pro Forma results include Spartech and Glasforms acquisitions, Specialty Coatings reclass and exclude the Resin business assets. *** Restated results to exclude the Resin business and to remove Specialty Coatings from the Performance Products and Solutions segment into Global Color, Additives and Inks segment. Average Debt Q2 2012 Q3 2012 Q4 2012 Q1 2013 Q2 2013 Average PolyOne Debt $ 705.8 $ 705.2 $ 706.9 $ 1,055.5 $ 1,031.2 $ 840.9 Average Equity Q2 2012 Q3 2012 Q4 2012 Q1 2013 Q2 2013 Average PolyOne shareholders’ equity $ 604.3 $ 629.3 $ 629.1 $ 871.8 $ 993.9 $ 745.7 Platform sales and operating income (OI) H1 2012*** H1 2013*** H1 2013**** Global Specialty Engineered Materials Sales $ 280.9 $ 352.0 $ 285.1 Global Color, Additives and Inks Sales 413.9 434.7 409.2 Designed Structures & Solutions Sales - 240.4 - Specialty Platform Sales $ 694.8 $ 1,027.1 $694.3 Performance Products and Solutions Sales 336.0 336.7 317.5 PolyOne Distribution Sales 533.6 543.1 543.1 Corporate and Eliminations (62.3) (68.2) (68.2) Total Sales $ 1,502.1 $ 1,838.7 $ 1,486.7 Global Specialty Engineered Materials OI $ 24.6 $ 32.5 $ 31.2 Global Color, Additives and Inks OI 44.0 54.7 52.0 Designed Structures & Solutions OI - 10.5 - Specialty Platform OI $ 68.6 $ 97.7 $ 83.2 Performance Products and Solutions OI 19.3 27.5 25.7 PolyOne Distribution OI 33.4 33.1 33.1 Corporate and eliminations (20.3) (25.7) (20.3) Special items in OI (20.3) (11.4) (20.3) Operating income - GAAP $ 80.7 $ 121.2 $ 101.4 Special items in OI 20.3 11.4 20.3 Operating income adjusted $ 101.0 $ 132.6 $ 121.7 Global Specialty Engineered Materials - OI % of sales 8.8% 9.2% 10.9% Global Color, Additives and Inks - OI % of sales 10.6% 12.6% 12.7% Designed Structures & Solutions - OI % of sales - 4.4% - Specialty platform - OI % of sales 9.9% 9.5% 12.0% PP&S operating - OI % of sales 5.7% 8.2% 8.1% Distribution OI - % of sales 6.3% 6.1% 6.1% PolyOne OI adjusted - % of sales 6.7% 7.2% 8.2% Reconciliation to Condensed Consolidated Balance Sheets H1 2013 Short-term debt and current portion of long-term debt $ 8.7 Long-term debt 1,022.5 Less cash and cash equivalents (392.4) Specialty Platform Gross Margin Percentage 2006Y* Q2 2013**** Global Specialty Engineered Materials Sales $ 345.3 $ 143.5 Global Color, Additives and Inks Sales 531.8 207.5 Specialty Platform Sales $ 877.1 $ 351.0 Global Specialty Engineered Materials Gross Margin $ 41.6 $ 37.3 Global Color, Additives and Inks Gross Margin 83.6 71.8 Specialty Platform Gross Margin $ 125.2 $ 109.1 Specialty Platform Gross Margin Percentage 14.3% 31.1% * Historical results include the Resin and Specialty Coatings businesses within the Performance Products and Solutions segment.

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.

Healthcare Drug delivery devices Engineered materials for healthcare Functional additives for lightweighting Composites for Defense and law enforcement in Color, Additives and Inksin Color, Additives and Inks in Specialty Engineered Materials in Specialty Engineered Materials Copyright © . All Rights Reserved 2024 13 Building new platforms of scale – some examples today... in Specialty Engineered Materials Composites for electrification and energy in Specialty Engineered Materials Composites for building and construction Non-PFAS functional additives in Color, Additives and Inks Copyright © . EBITDA margin up from about 5% (2006) to 16% (2023) Our evolution Specialty formulator of materials Copyright © .