This type of PET is in high demand because changes in the contents of the container that may indicate impurities can be easily detected. Food & Beverage—Bottles and containers for food and beverages represent a significant share of the market. They should contain at least 25% recycled plastic in their manufacture by 2025 (for PET bottles), and 30% by 2030 (for all bottles).

BOTTOM PANEL LEG LENGTH BREAK STRENGTH (LBS) Hammerhead™ with 5.3 lb/ft3 Core Density 2 in 420 Hammerhead™ with 8.4 lb/ft3 Core Density 2 in 332 Marine Plywood 2 in 984 Glass/Polyester with Balsa Core 2 in 1298 Hammerhead™ with 5.3 lb/ft3 Core Density - ITW Plexus MA420 Adhesive NA 501 Hammerhead™ with 8.4 lb/ft3 Core Density - ITW Plexus MA420 Adhesive NA 1156 Hammerhead™ with 8.4 lb/ft3 Core Density - Crestomer 1152PA Adhesive NA 1530 Hammerhead™ with 8.4 lb/in3 Core Density - Crestomer M1-30 Adhesive NA 1471 ADHESIVE DESCRIPTION ADHESIVE GRADE MANUFACTURER AVERAGE BOND STRENGTH (PSI) STANDARD DEVIATION FAILURE MODE BEST ADHESION 2k Urethane 75421 Lord 2281 184 Substrate Cohesive 2k Acrylic SA1-705 GRY1 AccraLock 2211 78 Substrate 2k Acrylic Plexus MA420 ITW 2171 262 Substrate 2k Acrylic SA10-05 Blk1 AccraLock 2102 138 Substrate 2k Urethane 75451 Lord 2047 68 Cohesive 2k Acrylic SA1-705 GRY 1:2 AccraLock 1966 68 Substrate 2k Acrylic Scotchweld 8010 3M 1907 61 Adhesive Cyanoacrylate Gorilla Glue Gorilla Glue 1885 432 Cohesive 2k Acrylic Crestabond PP-04 Scott Bader 1873 281 Substrate 2k Acrylic SA10-05 Blk 10:2 AccraLock 1779 127 Cohesive 2k Urethane 75422 Lord 1716 190 Cohesive Adhesive 2k Urethane 75452 Lord 1535 98 Adhesive 2k Methacrylate Polyfuse Icon Containment 1610 98 Adhesive INTERMEDIATE ADHESION 2k Acrylic FA10-05 Blk C010817 AccraLock 724 58 Cohesive 2k Acrylic FA10-05 Blk1 AccraLock 722 44 Cohesive 2k Epoxy Loctite Epoxy Instant Mix Loctite 508 81 Adhesive 2k Epoxy Gorilla Glue Epoxy Gorilla Glue 341 198 Adhesive NOT RECOMMENDED 2k Epoxy Loctite Epoxy Marine Loctite 0 0 No bond ADHESIVE SELECTION Brands identified are owned by the manufacturers of the adhesive products. 1 surface sanded with 220 grit scuff prep 2 surface primed with 459T FASTENER TYPE BENEFITS CONSIDERATIONS Through-Bolting Best mechanical locking system Need back side access to panel Screw-In Anchor Highest pullout strength Requires pilot hole Cup Washer Spreads compressive load Requires relief hole; For substructure and hard point attachment Wide Grip (Bulb-Style) Rivet Ease of use—no installation torque limitations For lower load attachments Sheet Metal or Wood Screw Readily available, low cost Penetrate both skins for improved pullout Shoulder Washer Limits compressive load Requires relief hole; For substructure and hard point attachment For more information on installation, adhesives, and fasteners for specific applications, please contact Avient. Avient makes no representations, guarantees, or warranties of any kind with respect to the information contained in this document about its accuracy, suitability for particular applications, or the results obtained or obtainable using the information. Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your sales representative for property ranges and min/max specifications.

När det gäller rapporter om tveksam bokföring, interna bokföringskontroller eller revisionsärenden kan du också kontakta vår Internal Audit department (interna revisionsavdelning) eller anmäla dina bekymmer till vår styrelses Audit Committee (revisionskommitté) genom att kontakta bolagets juridiska avdelning. Corporate Finance, Internal Audit [intern revision], Sourcing) Etik – het linje Ring eller använd etik-hotline om: • Du behöver råd eller har en fråga • Du vill väcka ett ärende eller visa ett bekymmer • Du väckte ett ärende och var inte nöjd • Du är inte säker på vart du ska vända dig för information • Du är obekväm med att använda någon av de andra resurserna som listas i koden.

Notwithstanding different or additional terms or conditions contained in Buyer’s purchase orders, invoices, or other communications to PolyOne or any customer, any addition to or alteration of the PolyOne Terms & Conditions shall be effective only if expressly made in a writing signed by an officer of PolyOne. 4. POLYONE SHALL HAVE NO LIABILITY WITH RESPECT TO ANY PRODUCT WHOSE CONTAINER OR OTHER PACKAGING HAS BEEN OPENED OR OTHERWISE COMPROMISED IN ANY WAY AND/OR FOR ANY PURPOSE PRIOR TO ITS USE BY THE END CUSTOMER; INCLUDING, BUT NOT LIMITED TO, REPACKAGING OR BLENDING OF THE PRODUCT BY BUYER. 5. Buyer shall not place material obtained from a manufacturer other than PolyOne into containers labeled for PolyOne-sourced Product, nor shall Buyer sell or represent as Product any materials made by a manufacturer other than PolyOne. 8.

AVIENT CORPORATION S E C O N D Q U A R T E R 2 0 2 3 R E S U L T S (NYSE: AVNT) J U LY 2 7 , 2 0 2 3 DISCLAIMER Forward-Looking Statements Certain statements contained in or incorporated by reference into this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Q 1 2 0 2 3 -8% +6% -1% Flat 10 US & Canada Latin America EMEA Asia Total Avient -2.6% 2023 G U IDA N CE $128 $525 Q3 FY $0.56 $2.40 Q3 FY 2023 GUIDANCE 12 $800 $3,280 Q3 FY Sales Adjusted EBITDA Adjusted EPS (in millions) (in millions) 13 • Focused on working capital management, restructuring actions to streamline operations • IT investment to further integrate acquired businesses and capture operational efficiencies • Preserve Free Cash Flow to maintain net leverage CASH FLOW / LEVERAGE ($ millions) 2023E Cash Flow from Operating Activities 320$ Less: CapEx (140) Free Cash Flow 180$ Adjusted EBITDA 525$ Net Debt / Adjusted EBITDA 3.0x SUSTAINABILITY AS A GROWTH DRIVER 14 LONG-TERM REVENUE GROWTH DRIVERS Revenue From Sustainable Solutions* 2016-2022 $340M $405M $455M $550M $790M $915M 2016 2017 2018 2019 2020PF** 2021 2022PF*** $1,175M *Avient Sustainable Solutions definitions aligned with FTC 2012 Guide for the Use of Environmental Marketing Claims (“Green Guides”) **2020 is Pro Forma to include full year of the Clariant Color business ***2022 is Pro Forma for the acquisition of Avient Protective Materials and the divestiture of Distribution 60%+ Key Growth Drivers Sustainable Solutions Composites, Healthcare, Asia / LATAM Overlap Other (GDP Growth) Total Company Revenue SUSTAINABILITY REPORT 2022 • Provides progress on 2030 goals • Reaffirms commitment to U.N. Global Compact • Highlights ESG Performance, including ratings, awards, and certifications • Features increased carbon emissions disclosures, including Climate Change Scenario Analysis and Scope 3 emissions data • Outlines Sustainable Supplier Program, designed to enable supplier evaluation & collaboration • Reflects Great Place To Work® culture focused on safety, employee engagement and advancing diversity, equity and inclusion 2022 SUSTAINABILITY REPORT 15 Avient Confidential 16 • Virtual presentation to be held September 20, 2023 • Leadership will be conducting an investor-focused presentation around our sustainable solutions portfolio • Deep dive into how we enable customers to achieve their sustainability goals SUSTAINABILITY DAY 16 …are Growing at Twice the Rate as Conventional Products Sustainably-Branded Products… STAKEHOLDER INFLUENCE DRIVES DEMAND Consumers Are demanding recyclability and eco- conscious products Governments Are mandating changes through legislation, taxes, and regional accords Brand Owners Have committed to ambitious goals to achieve sustainability metrics 17 AP P EN D IX 20 Performance Additives 16% Pigments 12% TiO2 10% Dyestuffs 2% Polyethylene 11% Nylon 6% Polypropylene 5% Styrenic Block Copolymer 5% Other Raw Materials 33% ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials 2022 pro forma results for the acquisition of Avient Protective Materials RAW MATERIAL BASKET PEER COMPARISONS AVIENT IS ASSET LIGHT Capex / Revenue 2023E (%) Avient Specialty Formulators Other Specialty / Chemical Companies Source: Peer data per Bloomberg as of July 21, 2023 Note: Avient reflects 2023 estimated revenue of $3,280 and estimated run-rate CAPEX of $110M. 22 3 2 3 3 4 4 3 3 4 5 5 7 8 8 A vi en t K W R P P G F U L R P M A V Y F M C H U N C E H X L E C L A S H E M N S C L FREE CASH FLOW CONVERSION Source: Peer data per Bloomberg as of July 21, 2023 Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA.

Microsoft PowerPoint - AVNT M11 Investor Presentation AVIENT CORPORATION I N V E S T O R P R E S E N T A T I O N (NYSE: AVNT) N OV E M B E R 2 0 2 4 DISCLAIMER Forward-Looking Statements Certain statements contained in or incorporated by reference into this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. 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; • Disruptions or inefficiencies in our supply chain, logistics, or operations; • Changes in laws and regulations in jurisdictions where we conduct business, including with respect to plastics and climate change; • Fluctuations in raw material prices, quality and supply, and in energy prices and supply; • Demand for our products and services; • 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 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; • Our ability to achieve strategic objectives and successfully integrate acquisitions, including the implementation of a cloud-based enterprise resource planning system, S/4HANA; • 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, geopolitical conflicts and any recessionary conditions; and • Other factors described in our Annual Report on Form 10-K for the year ended December 31, 2023 under Item 1A, “Risk Factors.” You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission.

När det gäller rapporter om tveksam bokföring, interna bokföringskontroller eller revisionsärenden kan du också kontakta vår internal audit department (interna revisionsavdelning) eller anmäla dina bekymmer till vår styrelses audit committee (revisionskommitté) genom att kontakta bolagets juridiska avdelning. UPPFÖRANDEKOD | 27 INNEHÅLLSFÖRTECKNING INTRODUKTION VÅR UPPFÖRANDEKOD RESPEKT FÖR ALLA ÄRLIGHET PÅ ARBETET INTEGRITET I VÅRA AFFÄRER BOLAGETS SOCIALA ANSVAR RESURSER https://www.avient.com/company/sustainability/sustainability-report http://Avient.com/sustainability https://www.avient.com/company/sustainability/sustainability-report/products/no-surprises-pledge-0 Vanliga frågor Fråga: Min överordnade sa åt mig att följa en ny avfallshanteringsprocedur, men jag är inte säker på att den är säker eller ens laglig. Corporate Finance, Internal Audit [intern revision], Sourcing) Ethics Hotline Ring eller använd Ethics Hotline om: • Du behöver råd eller har en fråga • Du vill väcka ett ärende eller visa ett bekymmer • Du väckte ett ärende och var inte nöjd • Du är inte säker på vart du ska vända dig för information • Du känner dig obekväm med att använda någon av de andra resurserna som listas i koden Ethics Hotline är tillgänglig globalt på över 20 språk, 24 timmar om dygnet, 7 dagar i veckan.

ANNUAL GROWTH FORECAST Source: Smithers report The Future of Thermoplastic Elastomers to 2024 and Ceresana Market Study: Silicones 3rd. The chart below contains products that benefit from both LSR and TPE materials. Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your sales representative for property ranges and min/max specifications.

All Rights Reserved 2024 3 Disclaimer Forward-looking statements Certain statements contained in or incorporated by reference into this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. All Rights Reserved 2024 35 Non-PFAS functional additives MARKET DRIVERS & NEEDS • Regulatory restrictions with the removal of PFAS in multiple end markets • Major retailers requiring PFAS content declaration from suppliers • Enhanced plastic properties, aesthetics and processability • Specialized functionalities making plastics a safe option in demanding applications $8B ADDRESSABLE MARKET AVIENT END MARKETS, APPLICATIONS OTHER APPLICATONS • Electrical connectors • Labware • Food contact appliances BUILD NEW PLATFORMS OF SCALE Flexible film Artificial turf Food storage, oil containers 36Copyright © .

Avient makes no representations, guarantees, or warranties of any kind with respect to the information contained in this document about its accuracy, suitability for particular applications, or the results obtained or obtainable using the information. Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your sales representative for property ranges and min/max specifications.