Avient Corporation maintains a policy of non-discrimination in providing equal employment to all qualified employees and candidates regardless of race, sex, sexual orientation, gender identity, age, color, religion, national origin, disability, genetic information, protected veteran’s status, or other legally protected classification in the state or locality in which a person is employed. Any form of discrimination in violation of the provisions of Title VII of the Civil Rights Act of 1964, as amended, Title I and Title V of the Americans with Disabilities Act of 1990, as amended, The Age Discrimination in Employment Act of 1967, as amended, and/or Title II of the Genetic Information Nondiscrimination Act of 2008, or this policy is against the interests of Avient and its employees and will not be permitted.

Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: • Our ability to identify and evaluate acquisition targets and consummate and integrate acquisitions • Disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future; • The effect on foreign operations of currency fluctuations, tariffs and other political, economic and regulatory risks; • Changes in polymer consumption growth rates and laws and regulations regarding the disposal of plastic in jurisdictions where we conduct business; • Changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online; • Fluctuations in raw material prices, quality and supply and in energy prices and supply; production outages or material costs associated with scheduled or unscheduled maintenance programs; • Unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters; • An inability to raise or sustain prices for products or services; • Information systems failures and cyber attacks; and • Other factors affecting our business beyond our control, including, without limitation, changes in the general economy, changes in interest rates and changes in the rate of inflation. 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 C L A R I A N T M A S T E R B A T C H A C Q U I S I T I O N D R I V E S N E X T L E V E L S P E C I A L T Y T R A N S F O R M A T I O N A C C E L E R A T I N G G R O W T H W I T H S U S T A I N A B L E S O L U T I O N S 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 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 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 s te 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 ?

When showing constant dollar figures on GAAP and non-GAAP financial measures, the foreign exchange impact is calculated by using current foreign exchange rates and applying them to the prior period results. Continue fostering our Great Place to Work® culture Strategic Objectives Long Term Growth Rates Growth Drivers $340 $455 $790 $1,135 2016 2018 2020 2023 $51 $84 $212 $645 2016 2018 2020 2023 $108 $113 $231 $230 2016 2018 2020 2023 $265 $358 $726 $725 2016 2018 2020 2023 8-12% 8-10% 8-10% 5% Sustainable Solutions Composites Healthcare Asia/Emerging Regions Profitable Growth Great Place to Work 5.4% 10.9% 16.0% 2006 2014 2023 EBITDA Margins $0.14 $1.93 $2.36 2006 2014 2023 Adjusted EPS TOP -T IE R S US TAINABIL IT Y P E RF ORM ANCE AND RE COGNIT ION Industry Sustainability Standards ESG Ratings Performance 1 2 4 87th 94th percentile 5 Avient CDP Score: A- F E B R U A R Y 1 4 , 2 0 2 4 W E B C A S T P R E S E N T AT I O N DR. We also monitor earnings (defined as net income from continuing operations) before interest, taxes, depreciation and amortization (EBITDA) and adjusted EBITDA (EBITDA before the impact of special items) as a supplement to our GAAP measures.

When showing constant dollar figures on GAAP and non-GAAP financial measures, the foreign exchange impact is calculated by using current foreign exchange rates and applying them to the prior period results. Continue fostering our Great Place to Work® culture Strategic Objectives Long Term Growth Rates Growth Drivers $340 $455 $790 $1,135 2016 2018 2020 2023 $51 $84 $212 $645 2016 2018 2020 2023 $108 $113 $231 $230 2016 2018 2020 2023 $265 $358 $726 $725 2016 2018 2020 2023 8-12% 8-10% 8-10% 5% Sustainable Solutions Composites Healthcare Asia/Emerging Regions Profitable Growth Great Place to Work 5.4% 10.9% 16.0% 2006 2014 2023 EBITDA Margins $0.14 $1.93 $2.36 2006 2014 2023 Adjusted EPS TOP -T IE R S US TAINABIL IT Y P E RF ORM ANCE AND RE COGNIT ION Industry Sustainability Standards ESG Ratings Performance 1 2 4 87th 94th percentile 5 Avient CDP Score: A- F E B R U A R Y 1 4 , 2 0 2 4 W E B C A S T P R E S E N T AT I O N DR. We also monitor earnings (defined as net income from continuing operations) before interest, taxes, depreciation and amortization (EBITDA) and adjusted EBITDA (EBITDA before the impact of special items) as a supplement to our GAAP measures.

Supplier” means each person or entity that enters into an Agreement with Avient. 2. All Required Insurance shall insure the interests of Avient regardless of any breach or violation by Supplier or any other person. All required Insurance shall be carried with responsible insurance companies of recognized standing which are authorized to do business in the state in which the Services are rendered and are rated B+ VII or better by A.M.

A wide range of textures can add sensory interest to a product. They are produced in opaque, semi-transparent, and transparent formulations for additional aesthetic interest.

This includes masks, protective garments, medical tubing and packaging for personal care products. The tool will increase the upcycling of PCR and will help to achieve pledged PCR usage rates. Workforce Health & Safety (1) Total recordable incident rate (TRIR) and (2) fatality rate for (a) direct employees and (b) contract employees RT-CH-320a.1 1.

Product Stewardship activities encompassing a life cycle approach, ensure sustainable management of our products and an open dialogue with all interested parties. It is the responsibility of each person at Avient to ensure that all operations in the company are carried out in accordance with this policy. It is the responsibility of each person at Avient, including contractors, suppliers, and visitors, to follow all security procedures, to remain aware of and report all possible security threats, to remain committed to working in a secure and safe manner, and to be prepared to respond to emergencies safely and effectively.

 Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to:  The final amount of charges resulting from the planned North American asset realignment and the Company’s ability to realize anticipated savings and operational benefits from the asset realignment;  Our ability to achieve the strategic and other objectives relating to the acquisition of Spartech Corporation, including any expected synergies;  Our ability to successfully integrate Spartech and achieve the expected results of the acquisition, including, without limita tion, the acquisition being accretive;  Disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future;  The financial condition of our customers, including the ability of customers (especially those that may be highly leveraged a nd those with inadequate liquidity) to maintain their credit availability;  The speed and extent of an economic recovery, including the recovery of the housing market;  Our ability to achieve new business gains;  The effect on foreign operations of currency fluctuations, tariffs, and other political, economic and regulatory risks;  Changes in polymer consumption growth rates in the markets where we conduct business;  Changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online;  Fluctuations in raw material prices, quality and supply and in energy prices and supply;  Production outages or material costs associated with scheduled or unscheduled maintenance programs;  Unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters;  An inability to achieve or delays in achieving or achievement of less than the anticipated financial benefit from initiatives related to working capital reductions, cost reductions, employee productivity goals, and an inability to raise or sustain prices for products or services;  An inability to raise or sustain prices for products or services;  An inability to maintain appropriate relations with unions and employees;  The inability to achieve expected results from our acquisition activities;  Our ability to continue to pay cash dividends;  The amount and timing of repurchases of our common shares, if any; and  Other factors affecting our business beyond our control, including, without limitation, changes in the general economy, chang es in interest rates and changes in the rate of inflation The non-GAAP financial measures include: 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 charges in certain calculations. Patterson President and Chief Executive Officer PolyOne Corporation Page 27 Well Positioned for Revenue Growth Addressable Market by Platform $540 $215 $120 $40 $260 $525 ($ millions) Design/Service Sustainable Solutions Surface Modification Lightweighting Thermal Control Flame Retardancy $1.0 - $2.0 Billion of revenue generated from new products in 5 years Gross margin on new products exceed current gross margin by at least 10 percentage points World class vitality index of ≥ 35% 2018 PolyOne Corporation Page 28 Megatrends Aligned with Key End Markets Decreasing Dependence on Fossil Fuels Protecting the Environment Improving Health and Wellness Megatrend End Markets Globalizing and Localizing Health & Wellness Transportation Packaging Consumer PolyOne Corporation Page 29 2006 2013 Revenue ($ millions) Health and Wellness Evolution General purpose tubing TPE applications from GLS Specialty tubing Ergonomic enhancements Pre-certified biocompatible colorants Highly sophisticated catheter and drug delivery components Chemical and heat sterilizable materials Authentication and protection technologies Addressing wellness, prevention, diagnostic and therapy changes in healthcare setting Healthcare packaging solutions 2006 2015 & Beyond $416 $105 PolyOne Corporation Page 30 Transportation Evolution General purpose formulations (bumpers, roof racks) Long fiber for lightweighting Thermal management for LED lighting Thermoset composite pultrusions Conductive polymers for EMI shielding Formulations for aerospace interiors Thermoplastic composites High temperature formulations for aerospace Expand 3D printing capabilities 2006 2015 & Beyond 2006 2013 Revenue ($ millions) $709 $315 PolyOne Corporation Page 31 Packaging Evolution Masterbatch colors and PVC packaging materials TPEs to enhance brand appeal and consumer functionality Liquid color and additive technologies to extend shelf life, preserve taste and differentiate brands Leveraging color, additives and sheet technology for healthcare and consumer packaging solutions 2006 2015 & Beyond 2006 2013 Revenue ($ millions) $612 $260 PolyOne Corporation Page 32 Consumer Evolution Commodity plastic and masterbatch color solutions Engineered materials to enhance customer appeal through visual and performance improvements Formulated metal- to-polymer conversion to enhance performance and reduce manufacturing costs Biopolymers & composite materials leveraging unique color technology to build brand identity 2006 2015 & Beyond 2006 2013 Revenue ($ millions) $394 $228 PolyOne Corporation Page 33 Interactive Display Introduction PolyOne Corporation Page 34 Interactive Displays INNOVATION DISCUSSION LEADER TECHNOLOGIES M ARKETS Polycast™ Bullet Resistant Sheet Aerospace GlasArmor™ Ballistic Resistant Panels Security reFlex™ Bio-Based Plasticizer Solutions Wilflex™ Oasis Hydrate InVisiO℠ Color Inspiration Forecast In-Store Audits OnColor™ Portfolio Light Weighting Thermal Management Corrosion Resistance Design Flexibility Sustainability Global Supply Chain Ergonomics and Aesthetics Consumer Appeal 9) Consume r Ele ctronics Solutions Walter Ripple General Manager GLS Personal Electronics Wearable Electronics Hand Held Devices Portable Audio 7) M e tal Re place me nt Te chnology Kurt Schuering Vice President Global Key Account Management Aerospace Transportation Electrical & Electronics Sporting and Shooting 8) M e dical De v ice Solutions Dr.

Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: • The ability to successfully integrate acquired companies into our operations, retain the management teams of acquired companies, retain relationships with customers of acquired companies, and achieve the expected results of such acquisitions, including whether such businesses will be accretive to our earnings; • Disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future; • The effect on foreign operations of currency fluctuations, tariffs and other political, economic and regulatory risks; • Changes in polymer consumption growth rates and laws and regulations regarding the disposal of plastic in jurisdictions where we conduct business; • Changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online; • Fluctuations in raw material prices, quality and supply and in energy prices and supply; production outages or material costs associated with scheduled or unscheduled maintenance programs; • Unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters; • Information systems failures and cyber attacks; and • Other factors affecting our business beyond our control, including, without limitation, changes in the general economy, changes in interest rates and changes in the rate of inflation. Tax adjustments include the net tax (expense) benefit from one-time income tax items, the set-up or reversal of uncertain tax position reserves and deferred income tax valuation allowance adjustments. 2 Adjusted EBITDA and net debt to adjusted EBITDA is calculated as follows: (In millions) Year Ended December 31, 2017 Income from continuing operations, before income taxes $ 212.3 Interest expense, net 60.8 Depreciation and amortization 82.8 Special items impact on income from continuing operations, before income taxes(1) 32.9 Adjusted EBITDA $ 388.8 Senior secured revolving credit facility $ 56.5 Senior secured term loan due 2022 637.5 Total Secured Debt 694.0 Less: Cash and cash equivalents (243.6) Net Secured Debt $ 450.4 Short-term and current portion of long-term debt $ 32.6 Long-term debt 1,290.9 Total Debt 1,323.5 Less: Cash and cash equivalents (243.6) Net Debt $ 1,079.9 Total Secured Debt / Adjusted EBITDA 1.8 Net Secured Debt / Adjusted EBITDA 1.2 Total Debt / Adjusted EBITDA 3.4 Net Debt / Adjusted EBITDA 2.8 (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; 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; the effect of changes in accounting principles or other such laws or provisions affecting reported results and tax adjustments.