Zylon® Polybenzyloate (PBO)

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Outer strength member • Base fiber of Kevlar, E-Glass, Zylon, Vectran LCP • Often be coated with Fiber-Line coatings (Swellcoat, Bondcoat, Wearcoat) 6. Cable jacket/sheath– Made of PE 9 Fiber-Line Product PolyOne Materials 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 21 5G Networks  Enable lower latency, greater flexibility & efficiency  Installation of these networks are in the very early stages  Installation will start in urban hubs and will continue to expand into suburban and rural areas  By 2025, only 14% of the world will have 5G connections  Growth is expected over multi- year period 5G technology will be a leading growth driver in fiber optic cable for several years 10x Speed Increase & 8x More Antennae Required 5G vs. 4G PolyOne Corporation 22 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 23 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! Leverage PolyOne’s global reach Phase 1 Phase 2 Phase 3 18-20% operating margins Invest in commercial resources I N V E S T - T O - G R O W P R O O F O F P E R F O R M A N C E PolyOne Corporation 24 Commercial Resources Operating Income ($ in millions) Operating Margins 256 309 At Acquisition Today $36 $100 At Acquisition Today 9% 19% At Acquisition Today Established Acquisitions (> 7 years) + 20% + 165% + 1000 bps CLARIANT MASTERBATCH ACQUISITION DRIVES NEXT LEVEL SPECIALTY TRANSFORMATION ACCELER ATING GR OWTH WITH SUSTAINABLE SOLUTIONS T R A N S F O R M A T I O N H E A D L I N E S PolyOne Corporation 26 F I T W I T H F O U R P I L L A R S T R A T E G Y PolyOne Corporation 27 Specialization • Innovation-led organization with heavy emphasis on R&D • World-class expertise in color formulation • Strong presence in specialty end markets including Consumer, Packaging and Healthcare Globalization • Diverse geographic portfolio with an established presence in every major region • Expands PolyOne’s ability to serve customers in key growth areas including India, China and Southeast Asia Operational Excellence • Extensive manufacturing footprint with 46 facilities • Organizational focus on optimizing supply chain to better serve customers • Color design expertise Commercial Excellence • Value-focused salesforce with vast experience marketing and commercializing specialty technologies • Diverse customer portfolio with established OEM’s People Experienced and talented associates with a winning mentality E N D M A R K E T T R A N S F O R M A T I O N PolyOne Corporation 28 Building & Construction 5% 2006 2019E PF* 4% 12% 10% 18% 8% 20% 2006 2019E PF* Healthcare Consumer Packaging 50% 22% High Growth End Markets Percentage of Total Revenue 38% * 2019E Pro Forma for PP&S Divestiture and Clariant Masterbatch business E N D M A R K E T T R A N S F O R M A T I O N PolyOne Corporation 29 Packaging 8% Building & Construction 38% Wire & Cable 11% Industrial 10% Electrical & Electronic 7% 2006 2019E PF* Healthcare 4% Transportation 12% Consumer 18% Building & Construction 5% Wire & Cable 6% Industrial 12% Electrical & Electronic 5% Appliance 3% Textiles 6% Transportation 13% Healthcare 12% Packaging 20% Consumer 10% * 2019E Pro Forma for PP&S Divestiture and Clariant Masterbatch business C O M P L E M E N T A R Y G E O G R A P H I C P R E S E N C E PolyOne Corporation 30 United States 38% Europe 33% Asia 19% Canada 4% Latin America 6% United States 22% Europe & Middle East 48% Asia 23% Canada 1% Latin America 6% Color & Engineered Materials Clariant Masterbatch Business Net Sales by Geographic Region United States 31% Europe & Middle East 39% Asia 21% Canada 3% Latin America 6% Pro Forma Color & Engineered Materials U N I F I E D F O C U S O N S U S T A I N A B I L I T Y PolyOne Corporation 31 2006 - 2013 2013 – 2019 PEO PLE PRO D U C TS PLA N ET PER FO R M A N C E PolyOne Clariant Masterbatch Business • Building mini-recycling plants to facilitate customer projects on design for recycling - CycleWorks • Uses packaging additives & colorants to improve recyclability and enhance automated sorting • Manufactures oxygen scavengers to extend shelf-life of perishable items and reduce material requirements • Combines UV-blocking additive colorants & other barriers to prevent spoilage and waste • Offers spin-dyeing solutions that use significantly less water than traditional methods, allowing for sustainable coloration of textiles • Produces infrared absorbing additives that reduce energy requirements for bottle manufacturing ($ in millions) PolyOne (Continuing Operations) Clariant Color & Additive Masterbatch Business Synergies New PolyOne 2019 Total Sales $2,863 $1,150 $4,013 2019 Adjusted EBITDA $309 $130 $60 $499 % Margin 10.8% 11.3% 12.4% 2019 CapEx $68 $85 % Sales 2.4% 2.1% 2019 Free Cash Flow $161 $250 2019 Adjusted EPS $1.69 $2.22 2019 PF Adjusted EPS $1.69 $2.54 P O L Y O N E + C L A R I A N T M A S T E R B A T C H B U S I N E S S PolyOne Corporation 32 (1) Excludes step-up of depreciation & amortization related to purchase accounting of transaction (1) $0.85/share O V E R 8 5 % O F A D J U S T E D E B I T D A F R O M S P E C I A L T Y PolyOne Corporation 33 46% 66% 0% 20% 40% 60% 80% 100% 2005 2010 2015 2019E PF % o f A d ju st e d E B IT D A * JV's Performance Products & Solutions Distribution Specialty 7% 87% * Adjusted EBITDA is EBITDA excluding corporate costs and special items ** 2019E Pro Forma for PP&S Divestiture and Clariant Masterbatch business acquisition with synergies Specialty EBITDA $14M $117M $273M $500M ** T R A N S A C T I O N O V E R V I E W • Expected mid-2020, subject to regulatory approvals and customary closing conditions Closing Conditions / Timing • Committed financing in place • Permanent financing to be combination of available cash on-hand, new debt and equity component to limit leverage • Equity issuance of $500MM • Target net leverage below 3.5x, 3.1x synergized PolyOne Corporation 36 • $1.45 B net purchase price • Represents 11.1x adjusted EBITDA (excluding synergies), 7.6x adjusted EBITDA (including synergies) • Pre-tax synergies of $60MM expected to be fully realized by the end of 2023 • Synergies realized from sourcing, operational, technology / commercial, and general administrative Transaction Value Synergies Financing Estimated Synergy Breakdown $60MM • Expect EBITDA synergies of $60MM – Proven integration expertise with a decade of acquisition experience – Administrative synergies reflect reduction of duplicative internal and third-party costs • Run rate synergies of $20MM by the end of Year 1 with $60MM achieved by the end of Year 3 • Significant additional opportunity for geographical expansion – Clariant Masterbatch business has complementary regional presence in key growth areas including India & Southeast Asia • Opportunity to accelerate growth with a combined portfolio of innovative solutions aligned with sustainability megatrends Sourcing 40% Operational 30% Administrative 30% PolyOne Corporation 37 S I G N I F I C A N T S Y N E R G Y O P P O R T U N I T I E S $450 $600 $624 $743 2019 2020 2021 2022 2023 2024 2025 2026 A T T R A C T I V E F I N A N C I N G S T R U C T U R E Attractive Debt Maturity Profile Existing Revolver Existing Senior Notes Existing Term Loan B New Debt Financing Financing Summary Terms on New Debt • $465 million of cash from the balance sheet expected to fund a portion of the purchase price • Bridge financing for remainder fully committed from Citi, Morgan Stanley and Wells Fargo • Permanent financing expected to include a combination of long-term debt and new equity • The timing of the permanent financing is subject to a number of factors, including, but not limited to, market conditions • PolyOne is committed to preserving a strong balance sheet – Target net leverage at close below 3.5x, excluding synergies • Pro forma capital structure positions PolyOne with flexibility to pursue continued growth strategy • New financing expected to have same or better covenant package than existing capital structure • Capital structure would be “covenant lite” Capital Policy • Transaction in line with PolyOne’s disciplined capital allocation policy • Existing PolyOne dividend policy to be maintained • Focus on deleveraging in the near term 2028+ PolyOne Corporation 38 PolyOne Corporation 37 $0.16 $0.20 $0.24 $0.32 $0.40 $0.48 $0.54 $0.70 $0.78 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 Cumulative Share Repurchases (In millions) $0 $150 $300 $450 $600 $750 $900 2011 2012 2013 2014 2015 2016 2017 2018 2019 $917M R E T U R N I N G C A S H T O S H A R E H O L D E R S O V E R $ 1 . 2 B I L L I O N S I N C E 2 0 1 1 PolyOne Corporation Increasing Annual Dividend 38 $0.81 PolyOne Corporation 39 W H Y I N V E S T I N P O L Y O N E ?

Outer strength member • Base fiber of Kevlar, E-Glass, Zylon, Vectran LCP • Often be coated with Fiber-Line coatings (Swellcoat, Bondcoat, Wearcoat) 6. Cable jacket/sheath– Made of PE 9 Fiber-Line Product PolyOne Materials 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 20 5G Networks  Enable lower latency, greater flexibility & efficiency  Installation of these networks are in the very early stages  Installation will start in urban hubs and will continue to expand into suburban and rural areas  By 2025, only 14% of the world will have 5G connections  Growth is expected over multi- year period 5G technology will be a leading growth driver in fiber optic cable for several years 10x Speed Increase & 8x More Antennae Required 5G vs. 4G 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! Fermium research marketing trip Forward Looking Statements USE OF �NON-GAAP�MEASURES Vision Safety First PolyOne�pro forma 2018 Revenue | $2.9 billion* Slide Number 7 Sustainable Path to Double-Digit EPS Growth Investment in Commercial Resources driving growth The Evolving Customer Relationship Slide Number 11 Aligning with trends for Growth Innovation 3 Horizons of Development Innovation Spotlight: Composites Composites Refresher Strategic Investment History COMPOSITES in Transportation PolyOne applications in Fiber optic cables Fiber optical growth drivers Invest-to-Grow M&A Strategy Invest-to-Grow M&A Playbook Invest-to-Grow Proof of performance Invest-to-Grow Driving the future Strong Pipeline�driven by fragmented Market Returning cash to shareholders�Over $1.2 Billion since 2011 Why Invest In PolyOne?

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Outer strength member • Base fiber of Kevlar, E-Glass, Zylon, Vectran LCP • Often be coated with Fiber-Line coatings (Swellcoat, Bondcoat, Wearcoat) 6. Cable jacket/sheath– Made of PE or PVC 9 Fiber-Line Product PolyOne Materials 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  Enable lower latency, greater flexibility & efficiency  Installation of these networks are in the very early stages  Installation will start in urban hubs and will continue to expand into suburban and rural areas  By 2025, only 14% of the world will have 5G connections  Growth is expected over multi- year period 5G technology will be a leading growth driver in fiber optic cable for several years 10x Speed Increase & 8x More Antennae Required 5G vs. 4G PolyOne Corporation 23 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 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! PolyOne investor presentation Forward Looking Statements USE OF �NON-GAAP�MEASURES Vision Safety First PolyOne Post pp&s divestment�2018 Revenue | $2.9 billion Proof of Performance Sustainable Path to Double-Digit EPS Growth Investment in Commercial Resources driving growth The Evolving Customer Relationship Slide Number 11 Aligning with trends for Growth Innovation 3 Horizons of Development Innovation Pipeline Innovation Spotlight: Composites Composites Refresher Strategic Investment History COMPOSITES in Transportation Fiber-line highlights PolyOne applications in Fiber optic cables Fiber optical growth drivers Invest-to-Grow M&A Strategy Invest-to-Grow M&A Playbook Invest-to-Grow Proof of performance Invest-to-Grow Driving the future Strong Pipeline�driven by fragmented Market Returning cash to shareholders�Over $1.2 Billion since 2011 ROIC drives shareholder return Why Invest In PolyOne?

Outer strength member • Base fiber of Kevlar, E-Glass, Zylon, Vectran LCP • Often be coated with Fiber-Line coatings (Swellcoat, Bondcoat, Wearcoat) 6. Cable jacket/sheath– Made of PE or PVC 9 Fiber-Line Product PolyOne Materials 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 20 5G Networks  Enable lower latency, greater flexibility & efficiency  Installation of these networks are in the very early stages  Installation will start in urban hubs and will continue to expand into suburban and rural areas  By 2025, only 14% of the world will have 5G connections  Growth is expected over multi- year period 5G technology will be a leading growth driver in fiber optic cable for several years 10x Speed Increase & 8x More Antennae Required 5G vs. 4G 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! Baird Global Industrial conference Forward Looking Statements USE OF �NON-GAAP�MEASURES Vision Safety First PolyOne�pro forma 2018 Revenue | $2.9 billion* Slide Number 7 Sustainable Path to Double-Digit EPS Growth Investment in Commercial Resources driving growth The Evolving Customer Relationship Slide Number 11 Aligning with trends for Growth Innovation 3 Horizons of Development Innovation Spotlight: Composites Composites Refresher Strategic Investment History COMPOSITES in Transportation PolyOne applications in Fiber optic cables Fiber optical growth drivers Invest-to-Grow M&A Strategy Invest-to-Grow M&A Playbook Invest-to-Grow Proof of performance Invest-to-Grow Driving the future Strong Pipeline�driven by fragmented Market Returning cash to shareholders�Over $1.2 Billion since 2011 Why Invest In PolyOne?

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Buyer acknowledges that information in Seller’s marketing materials, technical data sheets and other descriptive publications distributed or published on its websites may vary from time to time without notice. Buyer acknowledges that Seller has furnished to Buyer safety data sheets, which include warnings together with safety and health information concerning the Product and/or the containers for such Product. Confidentiality and Data Protection.

U-PVC WALL CEILING PRODUCER C O R R U G A T E D S H E E T • Achieved the beige color target with a uniform coloring process, ensuring a high- quality sheet appearance • Adjusted color strength in sheet production using online controls at the pump controller • Maintained a clean operation by eliminating powdery pigments in the workplace ColorMatrix Liquid Color Concentrates WHY AVIENT AVIENT SOLUTION PRODUCTIVITY + SAFETY LIQUID COLOR CONCENTRATES AND DOSING | AVIENTLEARN MORE • Reduces particulates from TiO2 bulk pigment use in the workplace • Color consistency and good surface finish • Maintain good mechanical properties and shore hardness of the extruded sheet • Compliance with heavy metal-free and RoHS regulations KEY REQUIREMENTS Copyright © 2025, Avient Corporation.