OUTDOOR GEAR MAKER F I S H I N G T O O L G R I P • Aesthetically differentiate new products while optimizing user functionality and safety • Meet weatherability performance required by industry standard UV and Salt Water Exposure tests • Resist fish oils, sunscreens, and cleaners • Comply with FDA food contact requirements • Provided product development support from concept to production, including visual brand integration, part design, and material selection • Customized grip design and TPE formulation to retain grip and tactile feel in wet and oily environments • Expedited lead time with advanced design and 3D modeling services to enable product launch at key industry tradeshow • Offered global supply continuity with local technical and manufacturing support Custom Versaflex™ Wet Grip TPE and Avient Design Services KEY REQUIREMENTS WHY AVIENT? https://www.avient.com/resource-center/services/avient-design

The Company will provide more details on its fourth quarter and full year results and 2022 projections on its webcast scheduled for 8:00 a.m. Webcast Details The webcast can be viewed live at avient.com/investors, or by clicking here: https://edge.media- server.com/mmc/p/k7okojz2. http://www.avient.com/investors https://edge.media-server.com/mmc/p/k7okojz2 https://edge.media-server.com/mmc/p/k7okojz2 http://www.avient.com/investors 4 About Avient Avient Corporation (NYSE: AVNT), with 2021 revenues of $4.8 billion, provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world.

The company noted it will provide more details on its third quarter results and outlook during the webcast scheduled for 8:00 a.m. Webcast Details The webcast can be viewed live at avient.com/investors, or by clicking here: https://edge.media- server.com/mmc/p/yrq7mgm9.To participate in the audio-only portion of the call, dial 1-844-835- 7433 (domestic) or 1-914-495-8589 (international) and provide conference ID number 7899765. http://www.avient.com/investors https://edge.media-server.com/mmc/p/yrq7mgm9 https://edge.media-server.com/mmc/p/yrq7mgm9 http://www.avient.com/investors 3 Full Year Comparisons Pro Forma for Acquisition of Clariant’s Color Business The company acquired Clariant’s color (“Clariant Color”) business on July 1, 2020 (the “Acquisition Date”).

These challenges may include long turnaround times, complicated inventory management, or noncompetitive pricing. Our ColorMatrix™ SOS Small Order Service delivers flat pricing for lower volumes and couples that with fast turnaround in color design and production. Learn more about Avient's ColorMatrix™ SOS Small Order Service

You can add a new or choose existing invoicing details, such as adding or selecting an invoice from address, remit-to, or ship from address 5 If you do not have a legal entity, you need to add one by clicking on the Add New link or on the add/plus ( ) icon. https://supplier.coupa.com/help/how-to-set-up-e-invoicing/ 6 In the Subtotal section, you can enter values and select tax rates for shipping, handling, and miscellaneous costs. Create a credit note You can issue a credit note to: ➢ Resolve a dispute on an invoice, correct an invoice, or cancel a duplicate invoice ➢ Record miscellaneous credit, for example, return/cancellation of goods, price adjustments, rebates and refunds.

Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: • 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; • The current and potential future impact of the COVID-19 pandemic on our business, results of operations, financial position or cash flows, including, without limitation, any supply chain and logistics issues; • Changes in laws and regulations regarding plastics in jurisdictions where we conduct business; • 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; • Our ability to achieve strategic objectives and successfully integrate acquisitions, including Avient Protective Materials (APM); • An inability to raise or sustain prices for products or services; • Our ability to pay regular quarterly cash dividends and the amounts and timing of any future dividends; • Information systems failures and cyberattacks; • Amounts for cash and non-cash charges related to restructuring plans that may differ from original estimates, including because of timing changes associated with the underlying actions; and • Other factors affecting our business beyond our control, including without limitation, changes in the general economy, changes in interest rates, changes in the rate of inflation and any recessionary conditions Use of Non-GAAP Measures This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. EPS $0.14 $2.67 $3.04 TOP-TIER SUSTAINABILITY PERFORMANCE AND RECOGNITION Industry Sustainability Standards 90th percentile 84th ESG Ratings Performance 1 10 PEOPLE C U L T U R E I S E V E R Y T H I N G Community Service 7x Safer than Industry Average World-Class Safety Leadership Development Over $17 million raised since 2010 Diversity & Inclusion 11 2022 RE SU LT S Q4 EBITDA BRIDGE (PRO FORMA TOTAL COMPANY) 13 $ millions CAI: Price / Mix 42 Inflation (20) SEM: Price / Mix 14 Inflation (10) Net Price Benefit 26 Wage and Energy Inflation (13) Clariant Color Integration Synergies 4 Incentives, Other Employee Costs 21 FX (10) Q4 2022 $107 Adjusted Q4 2021 $ 132 Demand (50) Russia Import Sales (3) • Demand contraction especially prevalent in EMEA and Asia • Pricing continues to cover inflation of raw materials, wages and energy PROVEN TRACK RECORD OF STRONG AND IMPROVING FREE CASH FLOW GENERATION 14 • Periods of economic weakness have driven higher levels of cash generation due to working capital management • Anticipate continued strong free cash flow generation and conversion despite global uncertainty 78% 78% 80% 80% 81% 78% 84% 83% 80% 0% 30% 40% 50% 60% 70% 80% 90% 2014 2015 2016 2017 2018 2019 2020 2021 2022 0 50 100 150 200 250 300 350 400 re e as h F lo w C o n ve rs io n re e as h F lo w FCF $ AVNT FCF Conversion % S&P FCF Conversion % Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA. 2020 is pro forma for Clariant Color and 2022 is pro forma for Avient Protective Materials Avient Specialty Other Specialty / 2023E(%) 28 79 87 81 79 76 73 90 77 76 75 73 64 59 33 MULTIPLE EXPANSION Avient Specialty Other Specialty / Note: Avient reflects 2023 adjusted EBITDA guidance of $530M and closing share price of $38.89.

High-speed signals are imperative in today’s culture through automobile communication, cell phone service, sending information at airports, and many other wireless needs. Sources :¹https://www.fcc.gov/5g-faqs 

CLEVELAND – May 19, 2023 – Avient Corporation, a premier provider of specialized and sustainable material solutions and services, is proud to announce it has earned the LUXE PACK “in green” award, highlighting a Corporate Social Responsibility (CSR) initiative.   For more information, visit https://www.avient.com.   

High-speed signals are imperative in today’s culture through automobile communication, cell phone service, sending information at airports, and many other wireless needs. Sources :¹https://www.fcc.gov/5g-faqs 

High-speed signals are imperative in today’s culture through automobile communication, cell phone service, sending information at airports, and many other wireless needs. Sources :¹https://www.fcc.gov/5g-faqs