GLS™ TPEs with Antimicrobial Technologies

GLS™ TPEs with Antimicrobial Technologies

GLS™ TPEs with Antimicrobial Technologies

GLS™ TPEs with Antimicrobial Technologies

GLS™ TPEs with Antimicrobial Technologies

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 1.3 1.1 1.1 0.85 0.65 0.57 0.54 0.97 0.84 0.74 0.74 0.69 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 Injuries per 100 Workers Spartech Acquisition PolyOne Corporation 6 P O L Y O N E 2 0 1 7 R E V E N U E | $ 3 . 2 B I L L I O N Transportation 18% Industrial 16% Consumer 12% Packaging 11% Healthcare 11% Wire & Cable 9% Appliance 5% United States 59% Europe 14% Asia 10% Latin America 9% Canada 8% PolyOne Distribution 34% Performance Products & Solutions 21% Specialty Engineered Materials 19% Color Additives & Inks 26% Segment End Market Geography Building & Construction 12% Electrical & Electronics 6% 2009 2010 2011 2012 2013 2014 2015 2016* 2017* 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 8 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 $1.96 $2.06 $2.21 *Pro Forma for sale of DSS 2006 2017 “Where we were” “Where we are” ROIC** 5.0% 14.0% Operating Income % of Sales Color, Additives & Inks 1.7% 15.5% Specialty Engineered Materials 1.1% 12.1% Performance Products & Solutions 4.3% 10.7% Distribution 2.6% 6.3% **ROIC is defined as TTM adjusted OI after tax divided by the sum of average debt and equity less cash over a 5 quarter period 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 Expand specialty portfolio with strategic acquisitions Innovate and develop new technologies and services Repurchase 600K-1M shares annually Increase commercial resources 6-8% annually Double acquired company margins Enhance efficiencies through Lean Six Sigma and commercial excellence 531 680130 153 504 618 2014 Q1 2018 R&D / Technical Marketing Sales PolyOne Corporation 9 Increased commercial headcount + 28% + 18% + 23% Generating opportunities 35% more sales calls 25% more marketing campaigns 1,000 new customers, expanding customer base by 5% $1.0B increase in new opportunities Enhancing efficiency 8% reduction of average territory size, enabling greater customer focus 20% more prospecting calls 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 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 80% increase in leads (from 6,000 to 11,000) driven by website, phone, and online chat EXPANDED PATH A D D I N G C U S T O M E R T O U C H P O I N T S 4 21 2014 2017 Inside sellers $11M $88M 2014 2017 Inside sales/digital revenue N E W R E S O U R C E S F U E L I N G T H E F U T U R E PolyOne Corporation 12 P O L Y O N E S A L E S F U N N E L +34% 2014 $3.0 billion 2017 $4.0 billion A L I G N I N G W I T H T R E N D S F O R G R O W T H T R A N S P O R T A T I O N P A C K A G I N G H E A L T H C A R E C O N S U M E R PolyOne Corporation 13 Facilitate alternative energy solutions Light- weighting Reduce packaging materials Improve recyclability Reduce spread of infection I N N O V A T I O N PolyOne Corporation 14 Customization 55% M&A 30% Innovation Pipeline 15% Innovation comes from Research & Development Spend ($ millions) Vitality Index % of sales from products launched last 5 years 12% 38% 2006 2017 $20 $52 2006 2017 Transformational Opportunity for Growth Through M&A Adjacent Opportunity for Growth Through New Product Pipeline Core Customization 3 H O R I Z O N S O F D E V E L O P M E N T PolyOne Corporation 15 Incremental development from existing base of technology New development adjacent to current technology New technology development outside of and with our current base Service adjacent markets and customers Create new markets, target new customer needs Service existing markets and customers Market Technical I N N O V A T I O N Non-Halogen Flame Retardants Barrier Technologies Fiber Colorants Advanced Composites Thermoplastic Elastomers Gordon Composites/ Polystrand – Composites GLS – Thermoplastic Elastomers ColorMatrix – Liquid Color & Additives I N N O V A T I O N P I P E L I N E PolyOne Corporation 16 PrototypeFrame Opportunity Scale-up & Test Market Build Business Case Commercial Launch (since 2015) Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 8 5 6 2 1 15 4 10 5 11 4 5 7 Breakthrough Platform Derivative Number of Projects 26 16 20 15 2 79 Total Addressable Market ($ millions) - - $1,230 $1,170 $440 $2,840 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 17 C O M P O S I T E S R E F R E S H E R PolyOne Corporation 18 Fiber Polymer Composite Strength Design Flexibility Continuous Fiber Thermoset Composites Short Glass Fiber Thermoplastics Continuous Fiber Thermoplastic Composites Long Glass Fiber Thermoplastics 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 PolyOne Corporation 19 Acquired Polystrand Installed LFT production Avon Lake Long Fiber Thermoplastic (LFT) Technology Installed LFT production Barbastro, Spain Acquired Glasforms Acquired Gordon Composites Thermoplastic Composites Long Fiber Reinforced Thermoplastics Continuous Fiber Thermosets 2010 2012 2015 2016 20162009 20122011 2014 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 20 W A T E R C R A F TR A I L H E A V Y T R U C K Bulkheads and Transoms Ceilings and Hatches Doors and Cabinetry Flooring Door Panels Side Walls Flooring & Side Panels Aerodynamic Fairings Seat and Bunk Reinforcements PolyOne Corporation 21 Safety Technology Geography Service FinancialPeople Low EH&S risk profile New and complementary technologies Leverage our global footprint Strong customer relationships Foundational operating margins of 8-10% with ability to double Motivated team with a specialty culture I N V E S T - T O - G R O W M & A S T R A T E G Y PolyOne Corporation 22 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!

Goff 68 2011 Yes M C Neil Green 55 2021 Yes M M William R. Director since: 2011 Age: 68 Current Public Company Directorships: • None Current Non-Public Company Directorships: • X-Energy Reactor Company, LLC • Engine No. 1 Former Directorships: • Enbridge Inc. • Marathon Petroleum Corporation • MPLX LP • Andeavor Logistics, LP • Andeavor • DCP Midstream GP, LLC • QEP Midstream Partners, LP • Western Logistics GP LLC • Exxon Mobil Corporation ELECTION OF BOARD OF DIRECTORS PROXY STATEMENT 2025 | Annual Meeting of Shareholders 13 Neil Green Executive Vice President and Chief Digital Officer at Otis Worldwide Corporation (“Otis”), a leading elevator and escalator manufacturing, installation and service company, since 2020. EXECUTIVE COMPENSATION PROXY STATEMENT 2025 | Annual Meeting of Shareholders 68 Retirement Benefits The Avient Supplemental Retirement Benefit Plan that is made available to all of our Named Executive Officers has provisions relating to the termination of employment with Avient.

A majority of employees have full-time contracts. 102–9 Supply chain Avient 2024 Annual Report—Form 10-K Pages 2–4 What We Do 102–10 Significant changes to the organization and its supply chain Avient 2024 Annual Report—Form 10-K Pages 8–10 What We Do Supplier Collaboration 102–11 Precautionary Principle or approach Avient 2024 Annual Report—Form 10-K Pages 8–13 102–12 External initiatives Who We Are Engaging with Our Stakeholders Security Becoming an Even Better Place to Work Strategic Partnerships and Alliances 102–13 Membership of associations Strategic Partnerships and Alliances Strategy 102–14 Statement from senior decision-maker Message from the CEO 102–15 Key impacts, risks, and opportunities Avient 2024 Annual Report—Form 10-K Pages 8–13 Amplifying Innovation for a Sustainable World Sustainability Report | 2024 53Contents | About Avient | Message from the CEO | Sustainability at Avient | Enabling a Sustainable World | Preserving the Planet | Culture of Safety & Sustainability | Governance | Appendix https://www.avient.com/products https://www.avient.com/sites/default/files/2025-03/380605_AVIENT_2024AR_full_250325.pdf https://www.avient.com/sites/default/files/2025-03/380605_AVIENT_2024AR_full_250325.pdf https://www.avient.com/sites/default/files/2025-03/380605_AVIENT_2024AR_full_250325.pdf https://www.avient.com/sites/default/files/2025-03/380605_AVIENT_2024AR_full_250325.pdf https://www.avient.com/sites/default/files/2025-03/380605_AVIENT_2024AR_full_250325.pdf https://www.avient.com/sites/default/files/2025-03/380605_AVIENT_2024AR_full_250325.pdf https://www.avient.com/sites/default/files/2025-03/380605_AVIENT_2024AR_full_250325.pdf https://www.avient.com/sites/default/files/2025-03/380605_AVIENT_2024AR_full_250325.pdf https://www.avient.com/sites/default/files/2025-03/380605_AVIENT_2024AR_full_250325.pdf https://www.avient.com/sites/default/files/2025-03/380605_AVIENT_2024AR_full_250325.pdf GRI Standard Disclosure Title 2024 Report Disclosures General Disclosures Ethics & Integrity 102–16 Values, principles, standards, and norms of behavior Who We Are Our Purpose and Strategic Framework 102–17 Mechanisms for advice and concerns about ethics Ethics Hotline and Reporting Governance 102–18 Governance structure Corporate Board Governance Environmental Health & Safety Avient 2024 Annual Report—Form 10-K Pages 14–15 & 68 Avient 2025 Proxy Statement—Pages 8–22 https://www.avient.com/investors/governance 102–20 Executive-level responsibility for economic, environmental, and social topics Corporate Board Governance Environmental Health & Safety Training & Development Inclusion & Impact Product Stewardship Supplier Collaboration https://www.avient.com/investors/governance 102–22 Composition of the highest governance body and its committees Avient 2024 Annual Report—Form 10-K Pages 14–15 & 64, 68 Corporate Board Governance Avient Board of Directors 102–23 Chair of the highest governance body Avient 2025 Proxy Statement—Page 16 102–24 Nominating and selecting the highest governance body Corporate Board Governance Avient 2024 Annual Report—Form 10-K Pages 14–15 Avient 2025 Proxy Statement—Page 16 https://www.avient.com/investors/governance 102–25 Conflicts of interest Corporate Board Governance Avient Code of Conduct https://www.avient.com/investors/governance 102–26 Role of highest governance body in setting purpose, values, and strategy Corporate Board Governance Avient 2024 Annual Report—Form 10-K Pages 14–15, 64 & 68 Avient 2025 Proxy Statement —Pages 28–31 https://www.avient.com/investors/governance 102–27 Collective knowledge of highest governance body Corporate Board Governance Avient 2025 Proxy Statement—Pages 8–9 102–28 Evaluating the highest governance body's performance Corporate Board Governance Avient 2025 Proxy Statement—Pages 32–36 https://www.avient.com/investors/governance Sustainability Report | 2024 54Contents | About Avient | Message from the CEO | Sustainability at Avient | Enabling a Sustainable World | Preserving the Planet | Culture of Safety & Sustainability | Governance | Appendix https://www.avient.com/sites/default/files/2025-03/380605_AVIENT_2024AR_full_250325.pdf https://www.avient.com/sites/default/files/2024-03/2024%20Proxy%20Statement%20%28Filed%29.pdf https://www.avient.com/investors/governance https://www.avient.com/investors/governance https://www.avient.com/sites/default/files/2025-03/380605_AVIENT_2024AR_full_250325.pdf https://www.avient.com/investors/governance/board-directors https://www.avient.com/sites/default/files/2024-03/2024%20Proxy%20Statement%20%28Filed%29.pdf https://www.avient.com/sites/default/files/2025-03/380605_AVIENT_2024AR_full_250325.pdf https://www.avient.com/sites/default/files/2024-03/2024%20Proxy%20Statement%20%28Filed%29.pdf https://www.avient.com/investors/governance https://www.avient.com/company/policies-and-governance/code-conduct https://www.avient.com/investors/governance https://www.avient.com/sites/default/files/2025-03/380605_AVIENT_2024AR_full_250325.pdf https://www.avient.com/sites/default/files/2024-03/2024%20Proxy%20Statement%20%28Filed%29.pdf https://www.avient.com/investors/governance https://www.avient.com/sites/default/files/2024-03/2024%20Proxy%20Statement%20%28Filed%29.pdf https://www.avient.com/sites/default/files/2024-03/2024%20Proxy%20Statement%20%28Filed%29.pdf https://www.avient.com/investors/governance GRI Standard Disclosure Title 2024 Report Disclosures General Disclosures Governance 102–29 Identifying and managing economic, environmental, and social impacts Corporate Board Governance Environmental Health & Safety https://www.avient.com/investors/governance 102–30 Effectiveness of risk management processes Corporate Board Governance Avient 2025 Proxy Statement —Pages 29–30 https://www.avient.com/investors/governance 102–31 Review of economic, environmental, and social topics Corporate Board Governance Avient 2025 Proxy Statement—Pages 29–30 https://www.avient.com/investors/governance 102–32 Highest governance body's role in sustainability reporting Corporate Board Governance Avient 2025 Proxy Statement —Pages 29–30 https://www.avient.com/investors/governance 102–33 Communicating critical concerns Corporate Board Governance Avient 2025 Proxy Statement —Page 29–30 & 32 Avient Code of Conduct https://www.avient.com/investors/governance 102–34 Nature and total number of critical concerns Avient 2024 Annual Report—Form 10-K Pages 54–55 102–35 Remuneration Policies Avient 2025 Proxy Statement—Pages 47–66 102–36 Process for determining remuneration Avient 2025 Proxy Statement—Pages 43–46 102–37 Stakeholders' involvement in remuneration Avient 2025 Proxy Statement—Pages 43–47 102–38 Annual total compensation ratio Avient 2025 Proxy Statement—Pages 71–72 Stakeholder Engagement 102–40 List of stakeholder groups Engaging with Our Stakeholders 102–41 Collective bargaining agreements Workforce Demographics 102–42 Identifying and selecting stakeholders Engaging with Our Stakeholders 102–43 Approach to stakeholder engagement Engaging with Our Stakeholders 102–44 Key topics and concerns raised Engaging with Our Stakeholders Reporting Practice 102–45 Entities included in the consolidated financial statements Avient 2024 Annual Report—Form 10-K Pages 2–3 We operate in two reportable segments: (1) Color, Additives and Inks and (2) Specialty Engineered Materials. 102–46 Defining report content and topic boundaries The information in this report applies to Avient and all owned facilities, joint ventures, and operating companies globally within the reporting period, unless otherwise stated.

Fearon 68 2004 Yes M C Gregory J. Director since: 2004 Age: 68 Current Public Company Directorships: • Waters Corporation • Crown Holdings, Inc. • CRH plc Former Directorships: • Eaton plc • Southern Steel Bhd • Centurion Industries, Ltd. • Hennessy Capital Investment Corp. EXECUTIVE COMPENSATION 68 PROXY STATEMENT 2024 | Annual Meeting of Shareholders Payments and Benefits Upon Termination - as of the End of Fiscal Year 2023 The following table summarizes the amounts payable to the Named Executive Officers upon termination under specified circumstances or upon a change of control.

End of Fill Part Length Dynamic Pressure Hydrostatic Pressure P re ss u re Gate End Part FIGURE 61 - Deflection Equations H F WLMax Deflection: 0.002" (0.05mm) 1 = W • H3 12 _______ bending = F • L3 48 • E • I _______ 4 πtc = h2 1n π2 • a • Tmelt – Tcoolant Teject – Tcoolant tc = D2 1.61n 23.1 • a Tmelt – Tcoolant Teject – Tcoolant a = k p * Cp Qmoldings = mmoldings • Cp • Tme • Cplt – Teject cooling nlines moldings tc cooling Vcoolant line nmax, coolant • Pcoolant • Cp, coolant Dmax = 4 • Pcoolant • Vcoolant π • µcoolant • 4000 Dmin = Pcoolant • Lline • V2 coolant 5 10π • ∆Pline 4 πtc = h2 1n π2 • a • Tmelt – Tcoolant Teject – Tcoolant tc = D2 1.61n 23.1 • a Tmelt – Tcoolant Teject – Tcoolant a = k p * Cp Qmoldings = mmoldings • Cp • Tme • Cplt – Teject cooling nlines moldings tc cooling Vcoolant line nmax, coolant • Pcoolant • Cp, coolant Dmax = 4 • Pcoolant • Vcoolant π • µcoolant • 4000 Dmin = Pcoolant • Lline • V2 coolant 5 10π • ∆Pline 4 πtc = h2 1n π2 • a • Tmelt – Tcoolant Teject – Tcoolant tc = D2 1.61n 23.1 • a Tmelt – Tcoolant Teject – Tcoolant a = k p * Cp Qmoldings = mmoldings • Cp • Tme • Cplt – Teject cooling nlines moldings tc cooling Vcoolant line nmax, coolant • Pcoolant • Cp, coolant Dmax = 4 • Pcoolant • Vcoolant π • µcoolant • 4000 Dmin = Pcoolant • Lline • V2 coolant 5 10π • ∆Pline FIGURE 60 - Pressure vs Part Length FIGURE 61 - Deflection equations FIGURE 62 - For Plate Shaped Parts FIGURE 63 - For Cylindrical Shaped Parts Design Guide 49 • MMoldings = Combined mass of molded parts • Cp = Specific Heat of the material Step 3 – Heat Removal Rate • Nlines = The total number of independent cooling lines there are in the mold • tc = The cooling time required by the part (Determined in step 1) Step 4 – Coolant Volumetric Flow Rate • ΔTMax,Coolant = Change in coolant Temperature During Molding (1°C) • ρCoolant = Density of coolant • CP = Specific heat of coolant Step 5 – Determine Cooling Line Diameter • ρCoolant = Density of coolant • VCoolant = Volumetric flow rate of coolant • μCoolant = Viscosity of coolant • ΔPline = Max pressure drop per line (Usually equals half of the pump capacity) • LLine = Length of the cooling lines COOLING LINE SPACING 4 πtc = h2 1n π2 • a • Tmelt – Tcoolant Teject – Tcoolant tc = D2 1.61n 23.1 • a Tmelt – Tcoolant Teject – Tcoolant a = k p * Cp Qmoldings = mmoldings • Cp • Tme • Cplt – Teject cooling nlines moldings tc cooling Vcoolant line nmax, coolant • Pcoolant • Cp, coolant Dmax = 4 • Pcoolant • Vcoolant π • µcoolant • 4000 Dmin = Pcoolant • Lline • V2 coolant 5 10π • ∆Pline 4 πtc = h2 1n π2 • a • Tmelt – Tcoolant Teject – Tcoolant tc = D2 1.61n 23.1 • a Tmelt – Tcoolant Teject – Tcoolant a = k p * Cp Qmoldings = mmoldings • Cp • Tme • Cplt – Teject cooling nlines moldings tc cooling Vcoolant line nmax, coolant • Pcoolant • Cp, coolant Dmax = 4 • Pcoolant • Vcoolant π • µcoolant • 4000 Dmin = Pcoolant • Lline • V2 coolant 5 10π • ∆Pline 4 πtc = h2 1n π2 • a • Tmelt – Tcoolant Teject – Tcoolant tc = D2 1.61n 23.1 • a Tmelt – Tcoolant Teject – Tcoolant a = k p * Cp Qmoldings = mmoldings • Cp • Tme • Cplt – Teject cooling nlines moldings tc cooling Vcoolant line nmax, coolant • Pcoolant • Cp, coolant Dmax = 4 • Pcoolant • Vcoolant π • µcoolant • 4000 Dmin = Pcoolant • Lline • V2 coolant 5 10π • ∆Pline 4 πtc = h2 1n π2 • a • Tmelt – Tcoolant Teject – Tcoolant tc = D2 1.61n 23.1 • a Tmelt – Tcoolant Teject – Tcoolant a = k p * Cp Qmoldings = mmoldings • Cp • Tme • Cplt – Teject cooling nlines moldings tc cooling Vcoolant line nmax, coolant • Pcoolant • Cp, coolant Dmax = 4 • Pcoolant • Vcoolant π • µcoolant • 4000 Dmin = Pcoolant • Lline • V2 coolant 5 10π • ∆Pline 4 πtc = h2 1n π2 • a • Tmelt – Tcoolant Teject – Tcoolant tc = D2 1.61n 23.1 • a Tmelt – Tcoolant Teject – Tcoolant a = k p * Cp Qmoldings = mmoldings • Cp • Tme • Cplt – Teject cooling nlines moldings tc cooling Vcoolant line nmax, coolant • Pcoolant • Cp, coolant Dmax = 4 • Pcoolant • Vcoolant π • µcoolant • 4000 Dmin = Pcoolant • Lline • V2 coolant 5 10π • ∆Pline 4 πtc = h2 1n π2 • a • Tmelt – Tcoolant Teject – Tcoolant tc = D2 1.61n 23.1 • a Tmelt – Tcoolant Teject – Tcoolant a = k p * Cp Qmoldings = mmoldings • Cp • Tme • Cplt – Teject cooling nlines moldings tc cooling Vcoolant line nmax, coolant • Pcoolant • Cp, coolant Dmax = 4 • Pcoolant • Vcoolant π • µcoolant • 4000 Dmin = Pcoolant • Lline • V2 coolant 5 10π • ∆Pline 2D < H line < 5D H line < W line < 2H line FIGURE 70 - Cooling Line Spacing FIGURE 64 - Heat Transfer Equation FIGURE 65 - Total Cooling for Mold FIGURE 66 - Cooling Required by Each Line FIGURE 68 - Max Diameter Equation FIGURE 69 - Min Diameter Equation FIGURE 67 - Volumetric Flow Rate Equation 50 Gravi-Tech ADHESIVE ADVANTAGES DISADVANTAGES Cyanoacrylate Rapid, one-part process Various viscosities Can be paired with primers for polyolefins Poor strength Low stress crack resistance Low chemical resistance Epoxy High strength Compatible with various substrates Tough Requires mixing Long cure time Limited pot life Exothermic Hot Melt Solvent-free High adhesion Different chemistries for different substrates High temp dispensing Poor high temp performance Poor metal adhesion Light Curing Acrylic Quick curing One component Good environmental resistance Oxygen sensitive Light source required Limited curing configurations Polyurethane High cohesive strength Impact and abrasion resistance Poor high heat performance Requires mixing Silicone Room temp curing Good adhesion Flexible Performs well in high temps Low cohesive strength Limited curing depth Solvent sensitive No-Mix Acrylic Good peel strength Fast cure Adhesion to variety of substrates Strong odor Exothermic Limited cure depth Design Guide 51 Bibliography 1.