STRONG & FLEXIBLE FOR RELIABLE, REPEATABLE PERFORMANCE ADVANCED COMPOSITE SPRINGS https://cloud.kapostcontent.net/pub/7bd857bc-520b-4f91-9308-680e7d078602/product-selection-and-installation-guide-composite-springs.pdf?

STRONG, LIGHTWEIGHT ALTERNATIVE TO METAL CARBON FIBER COMPOSITES Thomas Edison used carbon fiber as light bulb filament in the late 1800s.

Unlike wood they can withstand strong storms without breaking. Avient’s Advanced Composites business segment specializes in lightweight, strong, cost-efficient, and customizable composite materials used in many different industries, from automotive to construction and from infrastructure to recreation.

Chemical Resistance to Alkali: Strong alkalis will attack at high temperature or concentration. Over the last several years, FIBER-LINE® and DuPont™ have formed a strong partnership based upon the synergies between both organizations

Technology hybridization EXISTING EVOLVING Marine composite UV resistance Insulators Composite utility poles Fire-retardant composite Building & construction composite panels Next gen fire-retardant / UV resistant materials Fire-retardant, UV resistant composite utility polesFire retardants Copyright © . 2024 44 Personalized, self-administered 44 SEM PORTFOLIO Copyright © . 2024 45 • Global adoption of remote patient continuous glucose monitoring, respiratory remedies, and biopharmaceutical processes • Customers seek global suppliers, with required quality systems, that offer – Barrier properties to manage chemical ingress – Elasticity for conformance, patient comfort and sealing – Purity to manage extractables – Color / UV stability to differentiate products and extend life $6B ADDRESSABLE MARKET Continuous glucose monitors Respiratory care Biopharma tubing Catheters Copyright © . 2024 46 • Increase in NATO countries and defense spending • High demand for premium performance in military and law enforcement – reducing the weight burden • Strong demand for high performance helmets with capability to protect from increased threats • Dyneema™ provides the highest performance products in the market – up to 20% weight savings compared to competitive products $5B ADDRESSABLE MARKET Vests and inserts Helmets Shields Vehicle armor BUILDING NEW PLATFORMS OF SCALE IN... Advanced Composites Mike Mosley Copyright © . 2024 48 • Housing shortage driving up demand for construction materials • Composites replacing traditional materials like wood, steel – Avient has a strong position (decking, garage doors, ballistic panels etc $8B ADDRESSABLE MARKET Cross arms Turbine blade stiffeners Utility poles Insulator rods Copyright © . 2024 50 Specialty Engineered Materials – end markets we serve Healthcare Defense Energy Industrial Telecom Transportation ConsumerPackaging Building and Copyright © . 2024 51 Our competitive advantage Breadth and depth of specialty solutions Global footprint with localized customer intimacy Manufacturing and material formulation expertise Quality, regulatory, and sustainability • Engineered thermoplastics, advanced elastomers, additives, fibers, composites • Unidirectional tapes, fabrics, panels, pultrusions, shapes • Operations in Americas, Europe and Asia • Source materials globally, translate across regions • Deep application knowledge and design services • Core competencies in fiber, tape, composite lamination and pultrusion processes • Strong material science expertise to address needs • Strong regulatory and quality management systems • Industry accredited sites • Recognized sustainability ratings Copyright © . 2024 52 Margin expansion opportunity SEM margin expansion +300bps margin expansion • Organic volume growth and SG&A efficiencies from prioritizing resources • Increased sales in higher margin growth platforms such as composites and healthcare Productivity • Yield improvement • Raw material harmonization • Supply chain optimization 53Copyright © .

given strong second quarter results; Revised guidance reflects 8% to 14% growth in adjusted EPS over the prior year Building on the positive start to the year, we delivered a strong second quarter, highlighted by broad-based growth across all regions and most end markets," said Dr. had a strong quarter growing organic sales by 19%.

Patterson continued, "Performance Products and Solutions led the way with 11% sales growth for the quarter building upon strong prior year momentum.  has always generated strong free cash flow, and with the exception of seasonal working capital investment, this was again the case in the first quarter," said Patterson said, "I'm pleased with our strong start to the year and our global team who delivered these results. 

S&P 500 All time high of $42.47 June 6th, 2014 PolyOne Corporation Page 9 2006 Q1 2014 2015 “Where we were” “Where we are” Target 1) Operating Income % Specialty: Global Color, Additives & Inks 1.7% 13.8% 12 – 16% Global Specialty Engineered Materials 1.1% 11.6% 12 – 16% Designed Structures & Solutions -- 6.5% 8 – 10% Performance Products & Solutions 5.5% 7.7% 9 – 12% Distribution 2.6% 6.1% 6 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 64% 65 – 75% 3) ROIC* 5.0% 9.4% 15% 4) Adjusted EPS Growth N/A 42% Double Digit Expansion Proof of Performance & 2015 Goals *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period PolyOne Corporation Page 10 Bridge to $2.50 Adjusted EPS by 2015 2015 EPS: $2.50 2013 EPS: $1.31 Continued Gross Margin Expansion Mergers & Acquisitions Spartech Accretion Incremental Share Buybacks Ongoing LSS Programs (50-100 bps/yr) Accelerated Innovation & Mix Improvement Several Levers to Drive Growth Mid Single Digit Revenue CAGR PolyOne Corporation Page 11 Innovation Drives Earnings Growth *Percentage of Specialty Platform revenue from products introduced in last five years $20 $53 2006 2013 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* 14.3% 30.7% 2006 2013 Specialty Platform Gross Margin % 19.5% 43.0% 2006 2013 Specialty Vitality Index Target ≥ 35% PolyOne Corporation Page 12 Healthcare Consumer Packaging and Additive Technology Transportation Unique and Innovative Solutions https://www.dropbox.com/sh/dwe4t8aacvhb8ui/uD3p_bdglP/Presentation revise pics/GLS Beverage can closure XO 2.jpg https://www.dropbox.com/sh/dwe4t8aacvhb8ui/-YgkycKypw/Anti-Counterfeiting release & images/GN1979.JPG PolyOne Corporation Page 13 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 14 60% 100% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 2014 Pension Funding** As of March 31, 2014 Debt Maturities & Pension Funding – 3/31/14 Net Debt / EBITDA* = 1.9x $48 $317 $600 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2020 2023 Debt Maturities As of March 31, 2014 ($ millions) Coupon Rates: 7.500% 7.375% 5.250% ** includes US-qualified pension plans only *TTM 3/31/2014 PolyOne Corporation Page 15 Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return $0.16 $0.20 $0.24 $0.32 $0.10 $0.20 $0.30 $0.40 2011 2012 2013 2014 Annual Dividend Expanding our sales, marketing, and technical capabilities Targets that expand our: • Specialty offerings • End market presence • Geographic footprint • Operating Margin Synergy opportunities Adjacent material solutions Repurchased 1.4 million shares in Q1 2014 Repurchased 6.4 million shares since April 2013  13.6 million shares are available for repurchase under the current authorization Organic Growth Acquisitions Share Repurchases Dividends  Investing in operational and LSS initiatives (including synergy capture) Manufacturing alignment PolyOne Corporation Page 16 Formula for Success Innovation Market Beating Performance Excellence in Execution PolyOne Corporation Page 17 The New PolyOne: A Specialty Growth Company Why Invest In PolyOne?  Strong past performance demonstrates that our strategy and execution are working  Megatrends and emerging opportunities align with our strengths  Innovation and services provide differentiation, incremental pricing power, and competitive advantage  Strong and proven management team driving growth and performance  Addressable market exceeds $40 billion Schedule I Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Below is a reconciliation of non-GAAP financial measures to the most directly comparable measures calculated and presented in accordance with U.S.

Polyethylene terephthalate, or PET, is a type of plastic that’s strong, lightweight and easily recyclable. Lightweight & Strong PET has the dynamic qualities of being both lightweight and strong.

It’s also a time where people seek strong relationships, diverse perspectives and an opportunity to accept the most pressing challenges of today. Avient reflects 2022 estimated revenue of $5,100M and estimated CAPEX of $90M (excludes IT system upgrade of $25M and synergy capture CAPEX of $20M) Avient Specialty Other Free Cash Flow Conversion (1) 2022E (%) Being asset light helps us to generate strong free cash flow that is in line with specialty formulators. In 2021, we delivered substantial earnings growth and strong cash flow generation as we emerged from the COVID-19 pandemic.