POWER TOOL MANUFACTURER P I S T O N R I N G A N D C O N N E C T I N G R O D F O R P O W E R T O O L • Exceptional mechanical properties • Good wear and abrasion resistance • High purity and light weight • Worked directly with the manufacturer from design to molding to better understand and satisfy key requirements • Improved strength, stiffness and stability with one-stop technology service to best meet customer’s needs • Provided lightweighting solution to help customer achieve its sustainability goal Edgetek™ PK PEEK Formulation KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION HIGH TEMPERATURE & STRENGTH LEARN MORECopyright © 2021, Avient Corporation.

AVIENT SOLUTION Colorant Chromatics UV Laser Marking Additives for FEP LEARN MORE© 2024, Avient Corporation. All Rights Reserved https://www.avient.com/products/polymer-additives/laser-marking-additives/colorant-chromatics-uv-laser-marking-technology Wire & cable manufacturer

PTFE Wire insulation WIRE & CABLE OEM P T F E W I R E I N S U L A T I O N • Avoid contamination risks resulting ​from dry pigments • Powder paste extrusion process • High quality dispersion • Availability of custom color options • Optimized pigment particle size and distribution to achieve high-quality dispersion • Provided a technology based on high-quality pigments and ready-to-use formulations​ • Offered a liquid pigment portfolio as standard in a wide range of shades with color-matching capabilities • Improved the stability and efficiency of the manufacturing process Colorant Chromatics PTFE Dispersed Pigment Solutions KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION PROCESSING + COLORABILITY Copyright © 2024, Avient Corporation.

AVIENT SOLUTION WET GRIP TECHNOLOGY LEARN MORE Copyright © 2021, Avient Corporation.

Each batch is developed and tested in house so you can rely on lot-to- lot consistency with tight color tolerances. We can help you with your color development process in meeting your performance needs and tackling emerging industry specifications across a range of applications. www.avient.com Copyright © 2020, Avient Corporation.

The non‐GAAP financial measures  i l d dj t d EPS i b f i t t t d i ti dinclude: adjusted EPS, earnings before interest, tax, depreciation and  amortization (EBITDA), adjusted EBITDA, net debt, Specialty platform operating  income, Specialty platform gross margin percentage, adjusted operating income,  return on invested capital, net debt/ EBITDA, and the exclusion of corporate p p charges in certain calculations.  Page 3 Strategy and Execution Drive Results 90% $22 $24 PolyOne Stock Price 50% $18 $20 $22 S&P 500 (relative performance) 30% $12 $14 $16 S&P 500 (relative performance) ‐10% 10% $6 $8 $10 50% ‐30% $0 $2 $4 $ | ‐50%$0 2006 2007 2008 2009 2010 2011 2012 2013 Page 4 Four Pillar Strategy The World’s Premier Provider of SpecializedThe World s Premier Provider of Specialized  Polymer Materials, Services & Solutions Page 5 Spartech – Compelling Strategic Rationale • Spartech expands PolyOne’s specialty portfolio with adjacent  technologies in attractive end markets  Bolt on acquisition with opportunity for global expansion as only Bolt‐on acquisition with opportunity for global expansion, as only  6% of Spartech’s revenues are outside of North America • PolyOne has a proven management team with a track record of  transformational success • Preliminary synergy estimated at $65 million run rate by end of  3year 3  Significant opportunity to expand profitability by leveraging  PolyOne’s four pillar strategy • Substantial potential share price appreciation for all  shareholders f f ll / $ Accretive to EPS in first full year post‐acquisition / $0.50 once  synergies realized Page 6 Mix Shift Highlights Specialty Transformation  Old  PolyOne Transformation 100% 2015 Target 80% In co m e*   65 – 75%40% 60% f O pe ra tin g  34% 43% 45% 65  75% 20%  o f 2%0% 2005 2008 2010 2012 2015 Specialty OI $5M   $46M                        $87M                       $114M                     Target *Operating Income excludes corporate charges and special items JV's PP&S Distribution Specialty Page 7 Proof of Performance 2007 2012 2015 “Where we were” “Where we are” “Where we Where we were Where we are expect to be" 1)  Operating Income % Specialty 3.2% 9.1% 12 – 16% PP&S 6.1% 9.0% 9 – 12% Distribution 3.0% 6.4% 6 – 7.5% 2)  Specialty Platform sss% of Operating Income 20% 45% 65 – 75% 3) ROIC* ( ft t ) 7% 11% 15%3) ROIC* (after‐tax) 7% 11% 15% 4)  Adjusted EPS Growth** N/A 4 yr CAGR = 55% Double Digit  Expansion *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period **4 yr EPS CAGR calculated using 2012 adjusted EPS vs 2008 adjusted EPS Page 8 Proof of Performance Spartech Opportunity Intermediate  PolyOne Spartech Opportunity 2006 2012 Today Goal “Where we were” “Where we are” “Where  Spartech is”* “Where we can go”were are Spartech is can go Specialty Operating Margin 1.5% 9.1% 2.2% 8.0% – 10.0%  Margin Page 9 *Pro Forma results include Spartech corporate allocations for FY12 ended November 3, 2012 PolyOne 14% Latin America 3% Distribution 2012 Revenues: $4.2 Billion* 2012 Revenues: $4.2 Billion* United States 14% 5% PP&S 20%Specialty 57% Building & HealthCare 1.02 1.20 $1.20 $1.40 ha re End Markets* EPS Growth Construction 14% 17% Industrial 9% 0.27 0 21 0.79 $0.40 $0.60 $0.80 $1.00 Ad ju st ed  E ar ni ng s P er  S Electrical & 0.12 0.21 0.13 $0.00 $0.20 2006 2007 2008 2009 2010 2011 2012 Page 10 * Pro Forma includes FY2012 results for Spartech (11/03/12 YE) and Glasforms Specialty U it d 2012 Revenues: $2.4 Billion* Solutions United States 59% 9% Latin America Building & C t ti HealthCare   o f S al es 12-16% End Markets* Expanding Profits Construction Electrical & Industrial 15% 1.5% 3.2% 4.3% 5.3% 8.4% 9.1% O pe ra tin g  In co m e  Page 11 2006 2007 2008 2009 2010 2011 2012 2015 O Target* Pro Forma includes FY2012 results for Spartech (11/03/12 YE) and Glasforms Designed Structures and Solutions United States 2012 Revenues: $0.85 Billion* Solutions 84% Latin America 4% Building & Construction Sign & Advertising 3% Recreation & Leisure Pool & Spa 1% Distribution & Thermoform 2% Operating Income % of Sales 2012 Revenue by Industry Segment* Expanding Profits** Electrical & Electronics 23%Industrial 3% 2.2% 8 ‐ 10% 1% HealthCare 2012 2015 Target  Page 12 *Pro Forma includes FY2012 results for Spartech (11/03/12 YE) **Pro Forma results include Spartech corporate allocations for FY12 Positioned for Earnings Growth 2015 Target Rev: $5B Adj.  Platform operating income mix percentage 2005Y 2006Y 2007Y 2008Y 2009Y 2010Y 2011Y Global Specialty Engineered Materials $ 0.4 $ 3.9 $ 4.9 $ 17.6 $ 20.6 $ 49.7 $ 45.9 Global Color, Additives and Inks 4.3 8.9 25.7 28.1 25.2 37.7 43.4 Specialty Platform $ 4.7 $ 12.8 $ 30.6 $ 45.7 $ 45.8 $ 87.4 $ 89.3 Performance Products and Solutions 75.7 64.2 65.8 31.3 33.1 54.0 62.4 Distribution 19.5 19.2 22.1 28.1 24.8 42.0 56.0 SunBelt Joint Venture 91.9 102.9 34.8 28.6 25.5 18.9 5.0 Corporate (51.5) 34.5 (73.3) (425.1) 7.9 (27.7) 20.3 Operating income (loss) GAAP $ 140.3 $ 233.6 $ 80.0 $ (291.4) $ 137.1 $ 174.6 $ 233.0 Less: Corporate operating expense (income) 51.5 (34.5) 73.3 425.1 (7.9) 27.7 (20.3) Operating income excluding Corporate $ 191.8 $ 199.1 $ 153.3 $ 133.7 $ 129.2 $ 202.3 $ 212.7 Specialty platform operating mix percentage 2% 6% 20% 34% 35% 43% 42% Platform operating income mix percentage 2012Y Global Specialty Engineered Materials $ 47.0 Global Color, Additives and Inks 66.8 Specialty Platform $ 113.8 Performance Products and Solutions 74.9 Distribution 66.0 Corporate (87.6) Operating income GAAP $ 167.1 Less: Corporate operating expense 87.6 Operating income excluding Corporate $ 254.7 Specialty platform operating mix percentage 45% Platform sales and operating income (OI) 2006Y 2007Y 2008Y 2009Y 2010Y 2011Y Global Specialty Engineered Materials Sales $ 345.3 $ 384.4 $ 514.0 $ 402.9 $ 517.4 $ 575.1 Global Color, Additives and Inks Sales 531.8 560.5 554.3 459.8 527.4 544.6 Specialty Platform Sales $ 877.1 $ 944.9 $ 1,068.3 $ 862.7 $ 1,044.8 $ 1,119.7 Performance Products and Solutions Sales 1,166.2 1,086.8 1,001.4 667.7 776.3 865.4 PolyOne Distribution Sales 732.8 744.3 796.7 625.1 911.9 996.5 Corporate and Eliminations (153.7) (133.3) (127.7) (94.8) (111.1) (118.1) Total Sales $ 2,622.4 $ 2,642.7 $ 2,738.7 $ 2,060.7 $ 2,621.9 $ 2,863.5 Global Specialty Engineered Materials OI $ 3.9 $ 4.9 $ 17.6 $ 20.6 $ 49.7 $ 45.9 Global Color, Additives and Inks OI 8.9 25.7 28.1 25.2 37.7 43.4 Specialty Platform OI $ 12.8 $ 30.6 $ 45.7 $ 45.8 $ 87.4 $ 89.3 Performance Products and Solutions OI 64.2 65.8 31.3 33.1 54.0 62.4 PolyOne Distribution OI 19.2 22.1 28.1 24.8 42.0 56.0 Sunbelt Joint Venture OI 102.9 34.8 28.6 25.5 18.9 5.0 Corporate and eliminations (4.6) (25.5) (28.9) (40.8) (32.5) (26.4) Special items in OI 39.1 (47.8) (396.2) 48.7 4.8 46.7 Operating income (loss) GAAP $ 233.6 $ 80.0 $ (291.4) $ 137.1 $ 174.6 $ 233.0 Sunbelt equity income (107.0) (40.8) (32.5) (29.7) (23.1) (5.7) Special items in OI (39.1) 47.8 396.2 (48.7) (4.8) (46.7) Operating income adjusted $ 87.5 $ 87.0 $ 72.3 $ 58.7 $ 146.7 $ 180.6 Global Specialty Engineered Materials - OI % of sales 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% Global Color, Additives and Inks - OI % of sales 1.7% 4.6% 5.1% 5.5% 7.1% 8.0% Specialty platform OI - % of sales 1.5% 3.2% 4.3% 5.3% 8.4% 8.0% PP&S operating OI - % of sales 5.5% 6.1% 3.1% 5.0% 7.0% 7.2% Distribution OI - % of sales 2.6% 3.0% 3.5% 4.0% 4.6% 5.6% PolyOne OI adjusted - % of sales 3.3% 3.3% 2.6% 2.8% 5.6% 6.3% Platform sales and operating income (OI) 2012Y 2012PF Global Specialty Engineered Materials Sales $ 543.6 $ 779.5 Global Color, Additives and Inks Sales 703.5 753.8 Designed Structures & Solutions 847.4 Specialty Platform Sales $ 1,247.1 $ 2,380.7 Performance Products and Solutions Sales 837.0 902.8 PolyOne Distribution Sales 1,030.3 1,030.3 Corporate and Eliminations (121.8) (121.8) Total Sales $ 2,992.6 $ 4,192.0 Global Specialty Engineered Materials OI $ 47.0 Global Color, Additives and Inks OI 66.8 Specialty Platform OI $ 113.8 Performance Products and Solutions OI 74.9 PolyOne Distribution OI 66.0 Corporate and eliminations (33.7) Special items in OI (53.9) Operating income - GAAP $ 167.1 Special items in OI 53.9 Operating income adjusted $ 221.0 Global Specialty Engineered Materials - OI % of sales 8.6% Global Color, Additives and Inks - OI % of sales 9.5% Specialty platform OI % of sales 9.1% PP&S operating OI % of sales 9.0% Distribution OI % of sales 6.4% PolyOne OI adjusted, % of sales 7.4% Adjusted EPS 2006Y 2007Y 2008Y 2009Y 2010Y 2011Y 2012Y Net Income attributable to PolyOne common shareholders $ 130.9 $ 40.9 $ (417.0) $ 106.7 $ 162.6 $ 172.6 $ 71.9 SunBelt equity earnings, after tax (68.5) (26.1) (20.8) (19.0) (14.7) (3.7) - Special items, after tax (21.2) 41.4 310.0 (31.0) 15.8 (30.5) 35.7 Tax adjustments (30.0) (30.7) 147.2 (44.9) (88.3) (42.3) 0.5 Adjusted net income $ 11.2 $ 25.5 $ 19.4 $ 11.8 $ 75.4 $ 96.1 $ 108.1 Diluted shares 92.8 93.1 92.7 93.4 96.0 94.3 89.8 Adjusted EPS $ 0.12 $ 0.27 $ 0.21 $ 0.13 $ 0.79 $ 1.02 $ 1.20 Average Debt Q4 2011 Q1 2012 Q2 2012 Q3 2012 Q4 2012 Average PolyOne Debt $ 707.0 $ 706.4 $ 705.8 $ 705.2 $ 706.9 $ 706.3 Average Equity Q4 2011 Q1 2012 Q2 2012 Q3 2012 Q4 2012 Average PolyOne shareholders’ equity $ 588.3 $ 611.3 $ 604.3 $ 629.3 $ 629.1 $ 612.5 Adjusted EBITDA 2012 PolyOne Income before income taxes $ 113.0 PolyOne Interest expense, net 50.8 PolyOne Depreciation and amortization 69.8 PolyOne Special items in EBITDA 55.1 PolyOne Adjusted EBITDA $ 288.7 Pro forma Spartech EBITDA * 56.3 Pro forma EBITDA * $ 345.0 * Amount excludes expected synergies.

THERMOSET ADVANCED COMPOSITE TECHNOLOGIES PRODUCT SELECTION GUIDE Gordon Composites™ thermoset composite barstock, laminates, and hybrid composites made with proprietary resin/fiber reinforcement technologies offer: • Corrosion resistance • High fatigue strength • Deep deflection • Excellent interlaminar shear strength Our customized finishing capabilities include machining, water-jet cutting, profiling/shaping, sanding, slitting, laminating, molding and coatings. Benefits include: • Alternating longitudinal (axial) fibers for flexural & tensile strength and circumferential (biaxial) fibers for crush & burst resistance • Manufactured continuously, at a much higher rate than standard filament winding • Resin matrix and fiber loading formulated to meet your property requirements • Tubing in standard or customized diameters and lengths STANDARD SIZES To learn more about Avient advanced composite solutions, call +1.844.4AVIENT or visit www.avient.com/composites Copyright © 2020, Avient Corporation.

TECHNICAL BULLETIN ColorMatrix™ Joule™ RHB Fast Reheat Dispersions Handling and Usage ColorMatrix™ Joule™ dispersion fast reheat products are intended for use in PET (bottle polymer) production processes in the manufacturing of CSD 0.82IV reheat polymers and are used successfully throughout the world on all types of PET production technologies. The proprietary ColorMatrix technology has been shown to deliver superior energy saving at bottle blowing whilst at the same time imparting an attractive light blue-shaded color to the preforms (and bottles) without contributing to bottle haze. For further advice on how to use ColorMatrix Joule fast reheat dispersion products, and for details of their regulatory status and any other queries, please contact your local ColorMatrix sales representative or visit our website at www.avient.com Copyright © 2020, Avient Corporation.

ABS Quality Evaluations This is to certify that the Quality Management System of: PolyOne Corporation 733 E. IATF 16949:2016 The Quality Management System is applicable to: Certificate No: 38972 Effective Date: 04 September 2018 Expiration Date: 03 September 2021 Issue Date: 31 December 2018 IATF No: 0328156 Alex Weisselberg, President DESIGN AND MANUFACTURE OF CUSTOM PVC PLASTISOL AND PVC SLUSH MOLD POWDER (WITH ADDITIONAL FACILITIES LISTED ON ATTACHED ANNEX) Certificate Of Conformance has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: Page 2 of 2 ABS Quality Evaluations PolyOne Corporation IATF 16949:2016 Certificate Of Conformance ANNEX At Below Facilities: Validity of this certificate may be confirmed at www.abs-qe.com/cert_validation. Activity: Continuous Improvement, Contract Review, Customer Service, Information Technology, Interanl Audit Management, Human Resourse, Supplier Management & Logistics

ABS Quality Evaluations This is to certify that the Quality Management System of: Avient Corporation 4921 I D A Park Drive Lockport, NY 14094 U.S.A. IATF 16949:2016 The Quality Management System is applicable to: Certificate No: 58976 Effective Date: 08 February 2019 Expiration Date: 09 August 2022 Revision Date: 17 November 2020 IATF No: 0349837 Dominic Townsend, President DESIGN AND MANUFACTURE OF THERMOPLASTIC COMPOUNDS (WITH ADDITIONAL FACILITIES LISTED ON ATTACHED ANNEX) Certificate Of Conformance has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: Page 2 of 2 ABS Quality Evaluations Avient Corporation IATF 16949:2016 Certificate Of Conformance ANNEX At Below Facilities: Validity of this certificate may be confirmed at www.abs-qe.com/cert_validation. Activity: Continuous Improvement, Contract Review, Customer Service, Human Resource, Information Technologies, Internal Audit Management, Logistics, Marketing, Product Design, Purchasing, Sales, Supplier Management