PTFE Wire insulation ELECTRICAL EQUIPMENT MANUFACTURER H I G H - T E M P E R A T U R E C A B L E S - O I L & G A S I N D U S T R Y • Formulations suitable for a wide range of cable types, including high-voltage and self-regulating heating applications • Fine-tuned and consistent resistivity • Consistent performance across a wide range of temperatures • Optimized dispersion for ease of processing • Provided tailored solutions for specific conductivity requirements, protecting cables against damage from electrostatic discharge (ESD), arc failures, and temperature fluctuation • Supplied ESD and conductive fluoropolymer solutions in PFA, FEP, ETFE and PVDF • Shared more than 40 years of experience in the processing and formulation of fluoropolymers • Offered a global manufacturing footprint Colorant Chromatics Conductive Formulations KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION SAFETY AND FLEXIBILITY Copyright © 2024, Avient Corporation. LEARN MORE https://www.avient.com/products/engineered-polymer-formulations/conductive-signal-radiation-shielding-formulations/colorant-chromatics-conductive-formulations-0 Slide 1: electrical equipment manufacturer

SHENZEN, China – April 13, 2021 – Avient Corporation, a premier provider of specialized and sustainable material solutions and services, has unveiled its new liquid toner technology for polycarbonate (PC) resins, ColorMatrix™ Optica™ for PC.  ColorMatrix Optica for PC toners offer exceptional visual clarity, color consistency, and color dispersion in transparent PC resins. As an industry leader in solving complex material science problems, we are proud to bring this cutting-edge liquid color toner solution for polycarbonate to the market,” said Bob Lee, marketing director, Color & Additives Asia at Avient.

Investor Day POLYONE I N V E S T O R P R E S E N T A T I O N M A R C H 2 0 1 9 FORWARD LOOKING STATEMENTS PolyOne Corporation 2 • • • • • • • • • • USE OF NON-GAAP MEASURES PolyOne Corporation 3 • • • V I S I O N PolyOne Corporation 4 To be the world’s premier provider of specialized polymer materials, services and solutions C O R E V A L U E S P E R S O N A L V A L U E S Honesty IntegrityRespect Operational Excellence Commercial Excellence Specialization Globalization Collaboration ExcellenceInnovation To be the world’s premier provider of specialized polymer materials, services and solutions S A F E T Y F I R S T PolyOne Corporation 5 Injuries per 100 Workers Spartech Acquisition 1.3 1.1 1.1 0.85 0.65 0.57 0.54 0.97 0.84 0.74 0.74 0.69 0.51 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 PolyOne Corporation 6 P O L Y O N E 2 0 1 8 R E V E N U E | $ 3 . 5 B I L L I O N Transportation 17% Industrial 15% Consumer 12% Packaging 11% Wire & Cable 10% Appliance 5% United States 57% Europe 16% Asia 10% Latin America 10% Canada 7% Distribution 35% Performance Products & Solutions 19% Specialty Engineered Materials 17% Color Additives & Inks 29% Segment End Market Geography Building & Construction 11% Electrical & Electronics 6% Healthcare 13% 2009 2010 2011 2012 2013 2014 2015 2016* 2017* 2018 $2.43 P R O O F O F P E R F O R M A N C E C O N S E C U T I V E Y E A R S PolyOne Corporation 7 9 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 $1.96 $2.06 $2.21 2006 2018 ROIC** 5.0% 14.1% Operating Income % of Sales Color, Additives & Inks 1.7% 15.1% Specialty Engineered Materials 1.1% 11.2% Performance Products & Solutions 4.3% 10.0% Distribution 2.6% 5.6% A D J U S T E D E P S E X P A N S I O N S U S T A I N A B L E P A T H T O D O U B L E - D I G I T E P S G R O W T H PolyOne Corporation 8 P E O P L E P R O D U C T S P L A N E T P E R F O R M A N C E Double digit annual EPS growth strategic acquisitions Innovate 600K-1M commercial resources 5-7% Double acquired margins Lean Six Sigma commercial excellence 531 710 130 164 504 663 2014 2018 R&D / Technical Marketing Sales PolyOne Corporation 9 Increased commercial headcount + 34% + 26% + 32% I N V E S T M E N T I N COMMERCIAL RESOURCES D R I V I N G G R O W T H Sustained revenue increases led by organic business $2.9 $2.9 $3.2 $3.5 2015 2016 2017 2018 Total + 9% Organic + 5% Revenue in billions of $ Total + 10% Organic + 7% Lead Specialists T H E E V O L V I N G C U S T O M E R R E L A T I O N S H I P PolyOne Corporation 10 Expanded Path Traditional Path Strategic Accounts/ Field Sales Business Development Customer Service Web and Social Media Inside Sales PolyOne Corporation 11 Investments in digital and dedicated inside sales to improve customer experience 110% increase in leads (from 6,000 to 12,700) driven by website, phone, and online chat EXPANDED PATH A DDI N G C U S T O M E R T O U C H P O I N T S 4 24 2014 2018 Inside sellers $11M $109M 2014 2018 Inside sales/digital revenue A L I G N I N G W I T H T R E N D S F O R G R O W T H T R A N S P O R T A T I O N P A C K A G I N G H E A L T H C A R E C O N S U M E R PolyOne Corporation 12 Facilitate alternative energy solutions Light- weighting Reduce packaging materials Improve recyclability Reduce spread of infection I N N O V A T I O N PolyOne Corporation 13 Customization 55% M&A 30% Innovation Pipeline 15% Innovation comes from Research & Development Spend Vitality Index 12% 35% 2006 2018 $20 $56 2006 2018 Transformational Adjacent Core 3 H O R I Z O N S O F D E V E L O P M E N T PolyOne Corporation 14 Market Technical I N N O V A T I O N I N N O V A T I O N P I P E L I N E PolyOne Corporation 15 PrototypeFrame Opportunity Scale-up & Test Market Build Business Case Commercial Launch (since 2017) Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 6 11 4 4 3 2 28 0 5 10 7 2 5 5 Breakthrough Platform Derivative F L A M E R E T A R D A N T P O L Y M E R S A D V A N C E D C O M P O S I T E S B A R R I E R M A T E R I A L S C O L O R A N T T E C H N O L O G I E S T H E R M O P L A S T I C E L A S T O M E R S I N N O V A T I O N S P O T L I G H T : C O M P O S I T E S PolyOne Corporation 16 C O M P O S I T E S R E F R E S H E R PolyOne Corporation 17 Fiber Polymer Composite S T R A T E G I C I N V E S T M E N T H I S T O R Y Thermoplastic Composites Long Fiber Reinforced Thermoplastics Continuous Fiber Thermosets Long Fiber Reinforced Thermoplastics Continuous Fiber Thermosets 2012 2015 20162009 2011 2018 PolyOne Corporation 2019 18 C O M P O S I T E S I N T R A N S P O R T A T I O N PolyOne Corporation 19 W A T E R C R A F TR A I L H E A V Y T R U C K F I B E R - L I N E H I G H L I G H T S PolyOne Corporation 20 $100M • • • • • • • • • • • • • • • • • • • Customer Value Fiber-Line Fiber Processing Capabilities Polymer Formulation Capabilities P O L Y O N E A P P L I C A T I O N S I N F I B E R O P T I C C A B L E S PolyOne Corporation 21 • • • • • • • • • F I B E R O P T I C A L G R O W T H D R I V E R S PolyOne Corporation 22 5G Networks      10x 8x 5G vs. 4G PolyOne Corporation 23 Safety Technology Geography Service FinancialPeople 8-10% with ability to double I N V E S T - T O - G R O W M & A S T R A T E G Y PolyOne Corporation 24 Capture sourcing synergies Cross-sell & blend technology 8-10% operating margins I N V E S T - T O - G R O W M & A P L A Y B O O K Protect customers Retain employees Implement LSS to drive efficiency improvements Innovate with combined portfolio Safety First! T H E N E W P O L Y O N E : A S P E C I A L T Y G R O W T H C O M P A N Y       SERVICE: T H E T I M E L E S S D I F F E R E N T I A T O R PolyOne Corporation 31 T A L E N T D E V E L O P M E N T PolyOne Corporation 32 Leadership Program Participants 2012 2013 2014 2015 47 0 86 2016 2018 125 169 315 Campus Hires 2008 2011 2014 2017 0 25 90 47 PolyOne LSS Blackbelts 2008 2011 2014 2018 0 67 220 147 2018 141 A U N I Q U E C U S T O M E R E X P E R I E N C E Industrial Design IQ DESIGN LABS PolyOne Corporation 33 Material & Color Expertise Manufacturing Expertise 3 14 2014 2018 Industrial designers $0 $10M 2014 2018 $4M $80M 2014 2018 Opportunity funnel New business revenue LSS CUSTOMER FIRST PolyOne Corporation 34 Customer Projects 2014 2018 2 104 3 D P R I N T I N G B R I N G I N G N E W I D E A S T O L I F E PolyOne Corporation 35 PolyOne Corporation 36 M O N T H M O N T H M O N T H M O N T H M O N T H M O N T H 99.9% up to 24 weeks 6 hours C O L O R M A T R I X S E L E C T ™ I N N O V A T I N G W I T H P O L Y O N E PolyOne Corporation 37 SEGMENT HIGHLIGHTS C O L O R , A D D I T I V E S & I N K S EN D M A R K ET S & S O L U T I O N S PolyOne Corporation 38 Solid Colorants Performance Additives Screen Printing Inks Liquid Colorants Packaging 28% Industrial 14% Textiles 13% Wire & Cable 11% Building & Construction 10% Transportation 8% Consumer 8% Healthcare 5% Appliances 2% Electrical & Electronic 1% Operating Income & MarginRevenue by Region C O L O R , A D D I T I V E S & I N K S 2 0 1 8 R E V E N U E | O V ER $ 1 B I L L I O N $4 $25 $104 $159 0.9% 5.5% 12.2% 15.1% 2005 2009 2013 2018 PolyOne Corporation 39 Europe 35% United States 45% Asia 14% Canada 1% Mexico 3% South America 2% S P E C I A L T Y E N G I N E E R E D M A T E R I A L S EN D M A R K ET S & S O L U T I O N S PolyOne Corporation 40 Engineered Formulations Advanced Composites Thermoplastic Elastomers Consumer 21% Transportation 18% Wire & Cable 13%Healthcare 9% Industrial 9% Packaging 7% Appliance 3% Building & Construction 4% Electrical & Electronics 16% S P E C I A L T Y E N G I N E E R E D M A T E R I A L S Revenue by Region Operating Income & Margin 2 0 1 8 R EV EN U E | $ 6 4 6 M I L L I O N PolyOne Corporation 41 $21 $57 $72 0.1% 5.1% 9.3% 11.2% 2005 2009 2013 2018 Europe 28% United States 46% Asia 24% Canada 2% P E R F O R M A N C E P R O D U C T S & S O L U T I O N S EN D M A R K ET S & S O L U T I O N S PolyOne Corporation 42 Specialty Vinyl Solutions Healthcare Formulations Smart Device Materials Flame Retardant Polymers Building & Construction 28% Industrial 18% Transportation 17% Wire & Cable 16%Consumer 7% Appliance 6% Packaging 4% Electrical & Electronics 4% Asia 2% United States 78% Mexico 5% Canada 15% P E R F O R M A N C E P R O D U C T S & S O L U T I O N S Operating Income & MarginRevenue by Region 2 0 1 8 R EV EN U E | $ 7 3 6 M I L L I O N $40 $24 $56 $74 4.6% 3.6% 7.2% 10.0% 2005 2009 2013 2018 PolyOne Corporation 43 D I S T R I B U T I O N EN D M A R K ET S & S U P P L I ER S PolyOne Corporation 44 Healthcare 27% Transportation 22% Industrial 18% Consumer 12% Appliance 6% Electrical & Electronics 5% Building & Construction 5% Packaging 3% Wire & Cable 2% $20 $25 $63 $71 2.9% 4.0% 5.9% 5.6% 2005 2009 2013 2018 Operating Income & Margin2018 Revenue | $1.3 Billion http://www.polyone.com/Pages/VariationRoot.aspx O V E R V I E W O F R A W M A T E R I A L P U R C H A S E S PolyOne Corporation 45 T A R G E T E N D M A R K E T S & A P P L I C A T I O N E X A M P L E S PolyOne Corporation 46 Thermally Conductive Technologies Chemical Resistant Technologies Polymer Colorants Elastomeric Grips and Handles Structural Composites Antimicrobial Technologies Anti-Counterfeiting Technologies Target End Markets… Healthcare Catheter Technologies Under-hood Components Target End Markets… Automotive Interior Structural Components Sound & Vibration Management Roof Systems Air Management Electronics and Cameras Lighting Exterior / Interior Trim Braces & Brackets Fasteners Seals & Flaps Target End Markets… Consumer Thermally Conductive Components Polymer Colorants Elastomeric Grips and Handles Structural Composite Components Oxygen Scavenger Technologies Laser Marking Additives Antistatic Technologies UV Light Barrier Technologies Cap & Closure Colorants Process Optimization Technologies Antioxidant Technologies Density Modified Technologies Target End Markets… Packaging    Luxury Packaging GravitechTM Density Modified Polymers    Optimize Color Usage OnColorTM Super Concentrates    Combat Bacteria Formation WithStandTM Antimicrobial Technology    Medical Device Housings Chemically Resistant Engineered Polymers Color & Design Services      Outdoor Applications            Fiber Colorants Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to PolyOne shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to PolyOne shareholders, excluding special items, to assess performance and facilitate comparability of results. Adjusted EPS attributable to PolyOne common shareholders is calculated as follows: 2009* 2010* 2011* 2012* 2013* 2014* 2015* 2016 2017 2018 Net income from continuing operations attributable to PolyOne common shareholders $ 106.7 $ 152.5 $ 153.4 $ 53.3 $ 94.0 $ 78.0 $ 144.6 $ 166.4 $ 173.5 $ 161.1 Joint venture equity earnings, after tax (19.0) (14.7) (3.7) — — — — — — — Special items, before tax(1) (48.7) 24.2 (48.1) 55.1 46.3 164.2 87.6 23.8 32.9 59.5 Special items, tax adjustments(1) (27.2) (96.7) (24.7) (18.9) (13.7) (73.7) (58.7) (15.9) (24.8) (25.3) Adjusted net income from continuing operations attributable to PolyOne common shareholders $ 11.8 $ 65.3 $ 76.9 $ 89.5 $ 126.6 $ 168.5 $ 173.5 $ 174.3 $ 181.6 $ 195.3 Diluted shares 93.4 96.0 94.3 89.8 96.5 93.5 88.7 84.6 82.1 80.4 Adjusted EPS attributable to PolyOne common shareholders $ 0.13 $ 0.68 $ 0.82 $ 1.00 $ 1.31 $ 1.80 $ 1.96 $ 2.06 $ 2.21 $ 2.43 * Historical results are shown as presented in prior filings and have not been updated to reflect subsequent changes in accounting principle, discontinued operations or the related resegmentation. (1) Special items include charges related to specific strategic initiatives or financial restructuring such as: consolidation of operations; debt extinguishment costs; costs incurred directly in relation to acquisitions or divestitures, including adjustments related to contingent consideration; employee separation costs resulting from personnel reduction programs, plant realignment costs, executive separation agreements; asset impairments; mark-to-market adjustments associated with actuarial gains and losses on pension and other post-retirement benefit plans; environmental remediation costs, fines, penalties and related insurance recoveries related to facilities no longer owned or closed in prior years; gains and losses on the divestiture of operating businesses, joint ventures and equity investments; gains and losses on facility or property sales or disposals; results of litigation, fines or penalties, where such litigation (or action relating to the fines or penalties) arose prior to the commencement of the performance period; one-time, non- recurring items; and the effect of changes in accounting principles or other such laws or provisions affecting reported results.

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Advancement in color-separation technology has helped us tremendously in the past 10 years, but this technology is only effective if the printer uses a predictable and balanced ink set, to which the separations may be calibrated. When colors interact, an opaque color will dominate the color shift. The success of separation technology today is dependent on the reproduction of color.

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