CC WHITE FR 6M849 STOCK

EARTH CAP STOCK EXP 3

Hanna consolidate • Cultures clash – commodity wins • Dependent on income derived from commodity joint ventures The First 6 Years • Globally organized along three strategic platforms • Non-core equity investment dispositions • Talent upgrades, discipline instilled throughout organization • New CEO hired to transform POL into specialty business �18 of 20 officers new • Implemented four pillar strategy • Nearly 50% of The Second 6 Years History of PolyOne – A Transformation • Focused on increasing volume, not profits • Heavily tied to cyclical markets 2000 2006 2012 The FormationThe Formation The TransformationThe Transformation The New PolyOneThe New PolyOne organization • Demonstrated ability to deliver • Nearly 50% of business operating income derived from Specialty Platform* • Specialty assets acquired *Pro forma for ColorMatrix acquisition Page 8 30% 50% 70% 90% $10 $12 $14 $16 $18 PolyOnePolyOne Stock Price S&P 500 (relative performance) Strategy and Execution Drive Results | | | | -50% -30% -10% 10% 30% $0 $2 $4 $6 $8 $10 2006 2007 2008 2009 2010 2011 2012 Page 9 Four Pillar Strategy The World’s Premier Provider of Specialized Polymer Materials, Services & Solutions Page 10 60% 80% 100% % o f O p e ra ti n g I n co m e * Old PolyOne Transformation 2012 Target “What We Said” Mix Shift Highlights Specialty Transformation Ahead of Schedule *Operating Income excludes Corporate Charges ** Pro Forma for the acquisition of ColorMatrix and divestiture of SunBelt 2% 34% 42% 50% >50% 0% 20% 40% 2005 2008 2011 2011** 2012 % o f O p e ra ti n g I n co m e * JV's PP&S Distribution Specialty Specialty OI $5M $46M $89M $117M “What We Said” Page 11 2007 2012 Target 2011 “Where we were” “What we said” “Where we are” 1) Operating Income % Specialty 3.2% 10% - 12% 8.9% PP&S 6.1% 8% - 10% 7.2% Pro forma ColorMatrix Proof of Performance Distribution 3.0% 4% - 5% 5.6% 2) Specialty Platform sss% of Operating Income 20% >50% 50% 3) Specialty Vitality Index 21% 35% - 40% 49% 4) ROIC* (pre-tax) 11% >15% 16% 5) Sales outside the US 37% >40% 40% *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period Page 12 2011 Pro forma ColorMatrix 2015 Target “Where we are” “Where we expect to be” 1) Operating Income % Specialty 8.9% PP&S 7.2% 12 – 16% 9 – 12% Elevating our Expectations and Yours PP&S 7.2% Distribution 5.6% 2) Specialty Platform % of Operating Income 50% 3) ROIC* (after-tax) 10% 4) Adjusted Annual EPS Growth 3 yr CAGR = 71% 9 – 12% 6 – 7.5% 65 – 75% 15% Double Digit Expansion *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period Page 13 • Four pillar strategy, coupled with our ability to execute is driving results • Strong leadership team driving growth & executing • Innovation and services provide differentiation and How do we get there?

SOLID COLOR MASTERBATCHES • Customizable color solutions for a wide range of industries and uses, including high temperature applications • Special effect colors and finishes, such as metallic, pearlescent or granite • Sustainable choices, such as bio-colorants or super concentrates LIQUID COLOR CONCENTRATES • Rapid and sustainable color development that adds value and versatility to the production process • Able to combine with a variety of performance additives for multi-functional formulations PERFORMANCE AND PROCESSING ADDITIVES • Performance enhancing additives for UV protection, scratch resistance, anti-microbe formation, flame retardance and much more • Processing enhancement additives to improve efficiencies in any type of manufacturing process COLOR AND ADDITIVE COMBINATION MASTERBATCHES • Color and additive combination masterbatches that combine stock or custom colors with functional performance in a single solution • Special formulations are customized and optimized for specific needs, from paint replacement on metal to parts with the appearance of fabric Ready to learn more?

Aesthetics The average supermarket stocks over 40,000 SKUs and the average shopper is in-store less than 40 minutes.

OUTDOOR HIGH PERFORMANCE SHOOTING SPORTS PRODUCT SELECTION GUIDE ENGINEERED POLYMER FORMULATIONS THERMOPLASTIC ELASTOMERS COLORANTS ADDITIVES ADVANCED COMPOSITES FIREARMS Stocks, Frames, Receivers, & Barrels • Structurally reinforced polymers • Long fiber reinforced polymers • Metal replacement engineered formulations • Specialty color, pre-colored materials • Specialty formulations for dye sublimation • Soft touch • Wood grain • Camouflage • IR masking • Pre-colored materials • Glow in the dark/phosphorescent • Warp reduction • Weight reduction • Process optimization • Laser marking • Anti-counterfeiting additive • Ceramic/carbon fiber composites Handguards, Forearms, Picatinny Rails, Holsters, & Magazine • Structurally reinforced polymers • Long fiber reinforced polymers • Metal replacement engineered formulations • Specialty color, pre-colored material • Specialty formulations for dye sublimation • Vibration damping • Soft touch • Wood grain • Camouflage • IR masking • Pre-colored materials • Glow in the dark/phosphorescent • Warp reduction • Weight reduction • Process optimization • Laser marking • Anti-counterfeiting additive Recoil Pads • Vibration damping • Ultra soft • Camouflage • IR masking • Pre-colored materials • Glow in the dark/phosphorescent • Process optimization • Laser marking Grips • Structurally reinforced polymers • Specialty color, pre-colored materials • Overmolding-compatible polymers • Specialty formulations for dye sublimation • Vibration damping • Soft touch • Camouflage • IR masking • Pre-colored materials • Glow in the dark/phosphorescent • Process optimization • Laser marking ARCHERY Limbs & Risers • Structurally reinforced polymers • Long fiber reinforced polymers • Metal replacement engineered formulations • Specialty color, pre-colored materials • Specialty formulations for dye sublimation • Soft touch • Camouflage • IR masking • Pre-colored materials • Laser marking • Carbon/glass composite billets, bars, & laminates Stabilizers & Accessories • Structurally reinforced polymers • Metal replacement engineered formulations • Specialty formulations for dye sublimation • Vibration damping • Ultra soft • Carbon/glass composite bars, rods, & tubes PROJECTILES Bullets • Lead replacement engineered formulations • Structurally reinforced polymers • Density-modified formulations • Thermoplastic urethanes • Ballistic tip fluorescent Shotgun Shells, Wads, & Buffers • Polyethylene • Biodegradable custom colors • Performance improving additives Arrows • Structurally reinforced polymers • Soft touch • Pre-colored materials • Glow in the dark/phosphorescent • Carbon/glass composite rods & tubes SAFETY Ballistic Panels • Composite ballistic resistant panels SHOOTING SPORTS Your customers want a product that will help them hit the mark every time.

In order to maximize product quality, it is recommended that strict product rotation is applied to all incoming stock to minimize extended storage periods.

The 2017 EICP reserved 2.5 million common shares for the award of a variety of share-based compensation alternatives, including non-qualified stock options, incentive stock options, restricted stock, restricted stock units (RSUs), performance shares, performance units and stock appreciation rights (SARs). A summary of compensation expense by type of award follows: (In millions) 2017 2016 2015 Stock appreciation rights $ 4.2 $ 3.3 $ 4.0 Performance shares 0.6 — 0.5 Restricted stock units 5.3 4.4 3.7 Total share-based compensation $ 10.1 $ 7.7 $ 8.2 57POLYONE CORPORATION Stock Appreciation Rights During the years ended December 31, 2017, 2016 and 2015, the total number of SARs granted were 0.5 million, 0.5 million and 0.3 million, respectively. POLYONE CORPORATION [THIS PAGE INTENTIONALLY LEFT BLANK] STOCK EXCHANGE LISTING PolyOne's Common Stock is listed on the New York Stock Exchange, Symbol: POL.

This plan reserved 2.5 million common shares for the award of a variety of share-based compensation alternatives, including non-qualified stock options, incentive stock options, restricted stock, restricted stock units (RSUs), performance shares, performance units and stock appreciation rights (SARs). A summary of compensation expense by type of award follows: (In millions) 2023 2022 2021 Stock appreciation rights $ 6.1 $ 5.9 $ 5.2 Performance shares 0.2 0.2 0.2 Restricted stock units 6.9 7.1 5.8 Total share-based compensation $ 13.2 $ 13.2 $ 11.2 58 AVIENT CORPORATION Stock Appreciation Rights During the years ended December 31, 2023, 2022 and 2021, the total number of SARs granted was 0.5 million, 0.4 million and 0.5 million, respectively. 3) Represents the number of awards (options, warrants, restricted stock, unrestricted stock, or performance shares) available for future issuance under the 2020 Plan.

Cash dividends declared per share of common stock Stock based compensation expense Exercise of stock awards