Some of the information arises from laboratory work with small-scale equipment which may not provide a reliable indication of performance or properties obtained or obtainable on larger-scale equipment. Processing conditions can cause material properties to shift from the values stated in the information. You have the responsibility to conduct full-scale end-product performance testing to determine suitability in your application, and you assume all risk and liability arising from your use of the information and/or use or handling of any product.

Some of the information arises from laboratory work with small-scale equipment which may not provide a reliable indication of performance or properties obtained or obtainable on larger-scale equipment. Processing conditions can cause material properties to shift from the values stated in the information. You have the responsibility to conduct full-scale end-product performance testing to determine suitability in your application, and you assume all risk and liability arising from your use of the information and/or use or handling of any product.

Some of the information arises from laboratory work with small-scale equipment which may not provide a reliable indication of performance or properties obtained or obtainable on larger-scale equipment. Processing conditions can cause material properties to shift from the values stated in the information. You have the responsibility to conduct full-scale end-product performance testing to determine suitability in your application, and you assume all risk and liability arising from your use of the information and/or use or handling of any product.

ENERGY MOVES FROM LAND TO WATER CASE STUDY: PHOTOVOLTAIC FLOATING POWER STATION Challe nge Accepted. FLOATING SOLAR POWER STATIONS GET WEATHERING PROTECTION FROM ANTI-UV COLOR CONCENTRATE To learn more, contact Avient at +86-21-28981188.

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?

U-PVC PIPE & FITTING PRODUCER P I P E & F I T T I N G • Meet the diverse coefficient of friction (CoF) requirements across various film structures and compositions for a wide range of applications • Improve the speed of slip blooming and ensure consistent slip performance post-film production • Preserve excellent optical and mechanical properties • Compliance with food regulations for end packaging in food sealant applications • Improved the customer’s workplace environment by installing a new tote liquid supply system • Enhanced color consistency and reduced production wastage from pigment speck and streak issues • Complied with strict regulatory controls for potable pipe requirements ColorMatrix Liquid Color Concentrates KEY REQUIREMENT WHY AVIENT AVIENT SOLUTION PRODUCTIVITY + COMPLIANCE Avient Corporation 1 • Meet the diverse coefficient of friction (CoF) requirements across various film structures and compositions for a wide range of applications • Improve the speed of slip blooming and ensure consistent slip performance post-film production • Preserve excellent optical and mechanical properties • Compliance with food regulations for end packaging in food sealant applications KEY REQUIREMENT • Standard colorant to apply for internal color matching in PVC sheet applications • Phthalate free plasticizer class as hazardous healthy control requirement • Good thermal stability and compatibility in PVC resin of color index choices • Compliance with Heavy metal free and RoHS regulation KEY REQUIREMENT• Support the mass production capacity of white pipe extrusion • Reduces particulates from TiO2 bulk pigment use in the workplace • Ensure excellent pigment dispersion to meet mechanical pipe properties over an extensive useful life • Compliance with NSF and UL regulations for end application requirements in the building and construction industry LIQUID COLOR CONCENTRATES AND DOSING | AVIENTLEARN MORE KEY REQUIREMENTS Copyright © 2025, Avient Corporation.

They are based on management’s expectations that involve a number of business risks and uncertainties, any of which could cause actual results to differ materially from those expressed in or implied by the forward-looking statements. 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 limitation, 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 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 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, 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. Use of Non-GAAP Measures Page 3 PolyOne Commodity to Specialty Transformation Page 4 • Continue specialty transformation • Targeting $2.50 Adjusted EPS by 2015, nearly double 2013 EPS • Drive double digit operating income and adjusted EPS growth • 17 consecutive quarters of double- digit adjusted EPS growth • Shift to faster growing, high margin, less cyclical end markets • Key acquisitions propel current and future growth, as well as margin expansion • Established aggressive 2015 targets • Steve Newlin Appointed, Chairman, President and CEO • New leadership team appointed • Implementation of four pillar strategy • Focus on value based selling, investment in commercial resources and innovation to drive transformation • Volume driven, commodity producer • Heavily tied to cyclical end markets • Performance largely dependent on non- controlling joint ventures 2000-2005 2006 - 2009 2010 – 2013 2014 and beyond -150.00% -50.00% 50.00% 150.00% 250.00% 350.00% PolyOne S&P 500 Russell 2000 Dow Jones Chemical All time high of $38.38 March 7th, 2014 • 17 consecutive quarters of double digit EPS growth • 49% CAGR adjusted EPS expansion 2006-2013 • 2013 stock price increased 73% versus 30% growth in the S&P • More than seven fold increase in market cap: $0.5b $3.6b Strategy and Execution Drive Results Page 5 Appliance 4% Building & Construction 13% Wire & Cable 9% Electrical & Electronics 5% Consumer 10%Packaging 16% Industrial 12% HealthCare 11% Transportation 18% Misc. 2% United States 66% Europe 14% Canada 7% Asia 6% Latin America 7% PP&S Specialty 53% Distribution 27% 0.12 0.27 0.21 0.13 0.68 0.82 1.00 1.31 2.50 $0.00 $0.25 $0.50 $0.75 $1.00 $1.25 $1.50 $1.75 $2.00 $2.25 $2.50 2006 2007 2008 2009 2010 2011 2012 2013 2015 Target Ad ju st ed E ar ni ng s P er S ha re 2013 Revenues: $3.8 Billion End Markets 2013 Revenues: $3.8 Billion EPS Page 6 PolyOne At A Glance Old PolyOne Transformation *Operating Income excludes corporate charges and special items 2% 34% 43% 62% 65- 75% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2013 2015 % o f O pe ra tin g In co m e* JV's Performance Products & Solutions Distribution Specialty Specialty OI $5M $46M $87M $195M Target Mix Shift Highlights Specialty Transformation 2015 Target Page 7 2006 2013 2015 “Where we were” “Where we are” Target 1) Operating Income % Specialty: Global Color, Additives & Inks 1.7% 12.2% 12 – 16% Global Specialty Engineered Materials 1.1% 9.3% 12 – 16% Designed Structures & Solutions -- 5.6% 8 – 10% Performance Products & Solutions 5.4% 7.2% 9 – 12% Distribution 2.6% 5.9% 6 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 62% 65 – 75% 3) ROIC* (after-tax) 5.0% 9.1% 15% 4) Adjusted EPS Growth N/A 31% 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 Page 8 Bridge To $2.50 Adjusted EPS By 2015 2015 EPS: $2.50 2013 EPS: $1.31 Mid single digit revenue CAGR Page 9 Mergers & Acquisitions Spartech accretion Incremental share buybacks Ongoing LSS Programs (50-100 bps/yr) Accelerated Innovation & Mix Improvement Innovation Drives Earnings Growth $20.3 $52.3 2006 2013 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* *Percentage of Specialty Platform revenue from products introduced in last five years Page 10 14.3% 30.7% 2006 2013 Specialty Platform Gross Margin % 19.5% 43.0% 2006 2013 Healthcare Consumer Packaging and Additive Technology Transportation Page 11 Unique and Innovative Solutions that Help Customers Win 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 Net Debt / EBITDA* = 1.8x $48 $317 $600 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2020 2023 Significant Debt Maturities As of December 31, 2013 ($ millions) Page 12 Coupon Rates: 7.500% 7.375% 5.250% Debt Maturities & Pension Funding – 12/31/13 *TTM 12/31/2013 ** includes US-qualified plans only 60% 100% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 2013 Pension Funding** As of December 31, 2013 Free Cash Flow and Strong Balance Sheet Fund Investment •Targets that expand our: • Specialty offerings •End market presence •Geographic footprint •Operating Margin • Synergy opportunities •Adjacent material solutions •Expanding our sales, marketing, and technical capabilities • Investing in operational and LSS initiatives (including synergy capture) •Manufacturing alignment Organic Growth Share Repurchases Dividends Acquisitions Page 13 $0.16 $0.20 $0.24 $0.32 $0.00 $0.10 $0.20 $0.30 $0.40 2011 2012 2013 2014 Annual Dividend • Repurchased ~5 million shares in 2013 • 15 million shares are available for repurchase under the current authorization The New PolyOne: A Specialty Growth Company 2015 Target: $2.50 Adjusted EPS Why Invest In PolyOne?

Key Features • Choose from single twisted fibers or cords • Properly tensioned and torque balanced • Twist level optimization for strength or flex fatigue resistance • 50 – 300,000 denier range capability • Hybrid products also available FIBER-LINE® FIBERS SUITABLE FOR TWISTING • Kevlar® Para-Aramid • Nomex® Meta-Aramid • Vectran® LCP • Zylon® PBO • Carbon Fiber • Technora® • PET Polyester FIBER-LINE® PRODUCTS ADDED BY TWISTING • Ripcords • Strength Members • Drive Belt & Hose Reinforcement • Industrial Fabric Yarn • Wire Harness Yarn TWISTING FIBERS PROCESSES PRODUCTS Overview FIBER-LINE® has the ability to custom twist an endless amount of different twist levels on a variety of high performance synthetic fibers. No freedom from any patents or other industrial or intellectual property rights is granted or to be inferred.

AVNT-2021.06.30-News Release 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Registration Details for December 9th Investor Day CLEVELAND – November 3, 2021 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable material solutions, will host an Investor Day for investment professionals on Thursday, December 9, 2021, from 8:00 a.m. to 1:00 p.m., at the New York Marriott Marquis hotel. Investor Day participants will hear presentations from Mr.

Utilizing existing pipe systems enables the transition from natural gas to hydrogen delivery quickly and economically. This company designed an internal pipeline applicator to reinforce the pipe from the inside to handle the new pressure demands of hydrogen.