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Colorant Chromatics™ Conductive Formulations

We depend on integrated information systems to conduct our business. investments and alter the business we conduct. investments and alter the business we conduct.

Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources. Each of such adjustments has not yet occurred, are out of Avient’s control and/or cannot be reasonably predicted. For the same reasons, Avient is unable to address the probable significance of the unavailable information.

SEMICONDUCTOR PACKAGING OEM S P E C I A L T Y , S T A T I C D I S S I P A T I V E P A C K A G I N G • Provide protection against electrostatic discharge (ESD) and environmental variations • Ensure highly specialized, clean manufacturing conditions • Deliver stringent quality control of ionic and metal contamination • Maintain availability of raw materials across a global supply chain • Ability to translate production globally • Protected critical electronics from ESD while providing an environmental barrier • Adhered to strict quality and cleanliness controls from raw material handling through production to help maintain high-purity standards, such as ultra-clean feeders, deionized water, and specific HVAC systems, supporting quality initiatives, including PCS reviews, eCoA, and HA assessments • Exceeded customer expectations for controlling ionic and metal contamination down to parts per billion (PPB) • Offered global capabilities with local support and material supply to meet growing semiconductor industry needs Stat-Tech Static Dissipative Formulations KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTIONS QUALITY CONTROL + PERFORMANCE LEARN MORE Copyright © 2024, Avient Corporation. https://www.avient.com/products/engineered-polymer-formulations/conductive-signal-radiation-shielding-formulations/stat-tech-static-dissipative-electrically-conductive-formulations Slide 1: Semiconductor packaging OEM

 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 realize anticipated savings and operational benefits from the realignment of assets, including the planned closure of certain manufacturing facilities;  The timing of closings and shifts of production to new facilities related to asset realignments and any unforeseen loss of customers and/or disruptions of service or quality caused by such closings and/or production shifts;  Separation and severance amounts that differ from original estimates and amounts for non-cash charges related to asset write-offs and accelerated depreciation realignments of property, plant and equipment, that differ from original estimates;  Our ability to identify and evaluate acquisition targets and consummate acquisitions;  The ability to successfully integrate acquired companies into our operations, retain the management teams of acquired companies and retain relationships with customers of acquired companies including, without limitation, Spartech Corporation and Accella Performance Materials;  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 and 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 and laws and regulations regarding the disposal of plastic materials in jurisdictions where we conduct business;  Changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online in the industries in which we participate;  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 and employee productivity goals;  An inability to raise or sustain prices for products or services;  An inability to maintain appropriate relations with unions and employees;  Our ability to continue to pay regular quarterly cash dividends and the amounts and timing of any future dividends;  The amount and timing of repurchases of our common shares, if any;  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  The above list of factors is not exhaustive.  We undertake no obligation to publicly update forward-looking statements, whether as a result of new information, future events or otherwise. Garratt President, Performance Products and Solutions PolyOne Corporation Page 48 2014 Revenue by Industry Segment 2014 Revenues: $0.8 Billion At a Glance Performance Products & Solutions 80% 14% Latin America 4% Building & 33% Electrical & 1% 11% 5% Transportation 18% Wire & Cable 16% PolyOne Corporation Page 49 What We Have Delivered 4.3% 6.3% 7.2% 7.7% 2011 2012 2013 2014 Operating Margin $28 $39 $56 $63 2011 2012 2013 2014 Operating Income ($M) •Relentless focus on portfolio mix optimization •Lean Six Sigma drives operational excellence • Innovating in new markets such as healthcare •Expanding presence in Mexico and China Performance Products & Solutions PolyOne Corporation Page 50 $96 $109 2006* 2014 To Value Gross Margin ($ in millions) +13% 1,431 1,124 2006* 2014 From Volume… (lbs in millions) -21% Performance Products & Solutions *2006 = Near peak housing PolyOne Corporation Page 51 Accelerating Growth Market Growth/ Megatrends Innovation Collaboration Geographic Expansion Performance Products & Solutions PolyOne Corporation Page 52 Who We Are Growing With Performance Products & Solutions PolyOne Corporation Page 53 Geographic Growth Opportunities Mexico represents growth, spurred by: • Robust demand in Automotive • Re-shoring from Asia • PolyOne collaboration China is a $2B PVC market; 2nd largest in the world: • A new tax license enables domestic (vs. export) business • We have expanded capacity • We are investing in capability Performance Products & Solutions PolyOne Corporation Page 54 Addressable Market ($ millions) $300 $150 $200 Innovation Pipeline Potential Performance Products & Solutions Prototype Frame Opportunity Scale-up & Test Market Build Business Case Commercial Launch Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 0 2 0 1 0 3 0 1 1 1 5 3 1 1 1 Breakthrough Platform Derivative PolyOne Corporation Page 55 Megatrends Aligned with Key End Markets Increasing Energy Efficiency Protecting the Environment Improving Health and Wellness Megatrend End Markets Globalizing and Localizing Health & Wellness Transportation Packaging Consumer Performance Products & Solutions PolyOne Corporation Page 56 Healthcare Solutions LED Lighting Key Initiatives Eco-Conscious Solutions $25M Revenue potential $30M Revenue potential $60M Revenue Potential Performance Products & Solutions PolyOne Corporation Page 57 Platinum Vision 4.3% 6.3% 7.2% 7.7% 10-12% 2011 2012 2013 2014 2020 Platinum Vision World Class Operating Margin Accelerating Growth Performance Products & Solutions Market Growth/ Megatrends Innovation Collaboration Geographic Expansion PolyOne Corporation Page 58 Summary • Business evolution from volume to value • Business is at an inflection point • Growth will be driven by:  Economic & Megatrend alignment  Innovation  Collaboration across PolyOne  Geographic sales expansion in China and Mexico Performance Products & Solutions PolyOne Corporation Page 59 PolyOne Distribution Mark Crist President, Distribution PolyOne Corporation Page 60 At a Glance PolyOne Distribution 15% 52% 2006 2014 Key Suppliers 2014 Revenues: $1.1 Billion ROIC Building & 13% Electrical & 23% 15% 4% 25% http://www.avient.com/Pages/VariationRoot.aspx PolyOne Corporation Page 61 What We Do Processing Expertise World-Class Supply Chain Deep Customer Relationships Market Consultation Right the First Time… Every Time PolyOne Corporation Page 62 What We Have Delivered 2.6% 3.5% 4.6% 6.4% 6.1% 2006 2008 2010 2012 2014 Operating Margin $19 $28 $42 $66 $68 2006 2008 2010 2012 2014 Operating Income ($M) • World class supplier line card • Differentiating with service and operational excellence • Key portfolio additions with DuPont, Bayer and Ineos • Value based selling and discipline PolyOne Distribution PolyOne Corporation Page 63 Accelerating Growth PolyOne Distribution Market Growth/ Megatrends Commercial Investment Cross-Selling & Collaboration Growth in Targeted Areas PolyOne Corporation Page 64 Who We Are Growing With PolyOne Distribution PolyOne Corporation Page 65 Megatrends Aligned with Key End Markets Increasing Energy Efficiency Protecting the Environment Improving Health and Wellness Megatrend End Markets Globalizing and Localizing Health & Wellness Transportation Packaging Consumer PolyOne Distribution PolyOne Corporation Page 66 Geographic Growth Opportunities • Currently 10% of POD’s revenue is generated from Mexico • Existing business is served “from the border” • New Mexico district & warehouse will drive transportation growth in Central Mexico • Expansion in China resulted from growing with our NA HC customers • Investing in sales deployments • Localizing supply • Gaining Share PolyOne Distribution PolyOne Corporation Page 67 Going Beyond Distribution WeatherTech® – Polymer BumpStep® BEDRUG™ – Tri-fold Truck Bed Cover CeQur PaQ – Type 2 Insulin Delivery Device PolyOne Distribution PolyOne Corporation Page 68 Platinum Vision 2.6% 4.6% 6.1% 6.5 - 7.5% 2006 2010 2014 2020 Platinum Vision World Class Distribution Margin Accelerating Growth PolyOne Distribution Market Growth/ Megatrends Commercial Investment Cross-Selling & Collaboration Growth in Targeted Areas PolyOne Corporation Page 69 Summary • Motivated and well trained POD sellers making the calls / collaborating with other PolyOne businesses • Representing a world class supplier line card • Delighted customers and suppliers who choose us to represent them PolyOne Distribution PolyOne Corporation Page 70 Financial Highlights Bradley C. Richardson Executive Vice President and Chief Financial Officer PolyOne Corporation Page 71 Who We Are Growing With PolyOne Corporation Page 72 2014 Awards and Recognitions PolyOne Corporation Page 73 2014 Financial Highlights $131 $151 $191 $262 $320 Adjusted Operating Income $0.68 $0.82 $1.00 $1.31 $1.80 Adjusted EPS ($ millions) PolyOne Corporation Page 74 2006 2015 Target 2014 “Where we were” (Est. in 2012) “Where we are” Operating Income % Specialty: Global Color, Additives & Inks 1.7% 12 – 16% 14.7% Global Specialty Engineered Materials 1.1% 12 – 16% 12.1% Designed Structures & Solutions 1.4%(2012) 8 – 10% 7.3% Performance Products & Solutions 5.5% 9 – 12% 7.7% Distribution 2.6% 6 – 7.5% 6.1% Specialty Platform % of Operating Income 6.0% 65 – 75% 65% ROIC 5.0% 15% 11.3% Adjusted EPS Growth N/A Double Digit Expansion 37% Proof of Performance & 2015 Targets PolyOne Corporation Page 75 2,883 2,565 2006 2014 Volume (lbs in millions) -11% $219 $451 2006 2014 Commercial Investment ($M) +105% $303 $770 2006 2014 Adjusted Gross Margin ($M) +154% *Total SG&A Ours is Not a Cost Cutting Story Investment in Commercial Resources… Drives Mix Improvement AND Gross Profit $$ Expansion PolyOne Corporation Page 76 Financial Strength $76 $222 $154 $105 $176 $179 $230 2008 2009 2010 2011 2012 2013 2014 Adjusted Cash Flow from Operations ($ in millions) 18.9% 11.7% 9.6% 9.6% 10.8% 10.9% 9.9% 2008 2009 2010 2011 2012 2013 2014 Working Capital % of Sales PolyOne Corporation Page 77 Financial Flexibility $49 $317 $600 2015 2020 2023 Debt Maturities As of December 31, 2014 ($ millions) Coupon: 7.500% 7.375% 5.250% 2.6x 2.0x 1.8x 1.9x 2011 2012 2013 2014 Net Debt / Adjusted EBITDA PolyOne Corporation Page 78 Shares Purchased (M) 2012 1.2 2013 5.0 2014 6.3 Cash to Generate Value  Expand marketing, commercial and technical capabilities  Leverage supplier partnerships for innovation Organic Growth Acquisitions Share Repurchases Dividends $0.16 $0.20 $0.24 $0.32 $0.40 $0.10 $0.20 $0.30 $0.40 $0.50 2011 2012 2013 2014 2015 Annual Dividend  Targets that expand: • Specialty offerings • End market presence • Geographic breadth PolyOne Corporation Page 79 PolyOne Corporation Page 80 PolyOne Corporation Page 81 2020 Platinum Vision Robert M.

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Mariana Langiewicza 50, 95- 050 Konstantynow, Poland Avient Corporation - Korachi, Sindh Pakistan Design and Manufacture of Colour and Additive Concentrates, 1-A/1, Sector-20 , 74900 Korachi, Pakistan Avient Corporation Design and Manufacture of colour and additive concentrates, thermoplastic resins and specialty compounds Hohenrhein 1 Lahnstein Rheinland- Pfalz 5612 Germany Avient Corporation Design & Manufacturing of Colour and Additive Concentrates. De Martorell 124, 8740 Sant Andreu, Spain Avient Colorants MX S.A de C.V. Jorge Bei Maluf, 2.165, Vila Theodoro Suzano SP 08686-000 Brazil Avient Corporation - Suzhou, China Design and Manufacture of Engineering Plastics and Plastic Alloys 77 Shenggang Street , 215024 Suzhou, Avient Corporation Design and Manufacture of Colorants and Additives for Plastics Gatot Subroto KM. 4 Jalan Kalisabi No. 1 Building 37 Tangerang Banten 15138 Indonesia Avient Corporation Design and Manufacture of Colorants and Additives for Plastics No. 30 Hsing Pang Road Tao Yuan -- - 330457 Taiwan Avient Corporation Design and Manufacture of Colorants and Additives for Plastics AV.

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