Learn what Avient is doing to support a sustainable future (Chinese language version). Learn what Avient is doing to support a sustainable future.

Learn what Avient is doing to support a sustainable future (Chinese language version). Learn what Avient is doing to support a sustainable future.

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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 any limitation, any supply chain and logistics issues; • Changes in polymer consumption growth rates and 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 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; • Any material adverse changes in the equity and assets of Koninklijke DSM N.V.’s protective materials business (“the Dyneema Business”); • Our ability to achieve the strategic and other objectives relating to the acquisition of the Dyneema Business and the possible sale of the Distribution business segment; and • Other factors described in our Annual Report on Form 10-K for the year ended December 31, 2021 and our Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2022 under Item 1A, “Risk Factors.” EPS (ex Amort) 3.96$ 0.13$ 4.09$ (0.58)$ 3.51$ Pro Forma Leverage (12/31/2022E) Net Debt / Adjusted EBITDA 1.6x 3.4x 2.8x Forecast Dyneema Forecast + Dyneema Sale of Distribution Pro Forma 2022 TWO-YEAR LEVERAGE MODEL 16 3.5x 2.7x 1.6x 2.8x 2.4x 2.0x 2019PF 2020PF 2022E 2022PF 2023E 2024E Dyneema® AcquisitionClariant Color Acquisition (1) Pro forma for the acquisition of the Clariant Color business (2) Pro forma for the acquisition of Dyneema® and potential divestiture of Distribution, including repayment of senior notes due 2023 and Term Loan (1) (1) (2) OUR SPECIALTY JOURNEY CONTINUES 17 • Dyneema® brings leading technology and brand with the World’s Strongest Fiber™, deep history of application development and strong management team focused on specialty applications • Dyneema® transaction is aligned with our previously stated acquisition goal of expanding our composites and fiber capabilities • Similar to our other technology expansion acquisitions, Dyneema® allows us to leverage our invest-to-grow strategy • The possible sale of our Distribution business also presents potential benefits with respect to leverage and EBITDA margins 46% 66% 86% 100% 0% 40% 60% 80% 100% 2005 2010 2015 2021 2022 PF % o f A dj u st ed E B IT D A (1 ) JVs Distribution Performance Products & Solutions Specialty (1) Adjusted EBITDA is EBITDA excluding corporate costs and special items (2) Pro forma for the acquisition of Dyneema® and potential divestiture of Distribution (2) Building & 43% 14% Telecom. 2006 2022 Pro forma Building & Telecom. Annual Purchases RAW MATERIAL AND SUPPLY CHAIN UPDATE Based on 2021 purchases, excludes Distribution business SEGMENT DATA U.S. & Canada 50% Latin America 2021 SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS 19% Building and END MARKET REVENUE (1) Total company sales and adjusted EBITDA of $4,819M and $581M, respectively, include intercompany sales eliminations and corporate costs $2,402M $409M $919M $164M $1,631M $94M Sales EBITDA Distribution Specialty Engineered Materials Color Additives and Inks $581M$4,819M (1) 24 34% Building & 1% Telecommunications C O L O R , A D D I T I V E S & I N K S 2021 REVENUE | $2 .4 BILL ION 32% 40% Latin America END MARKET REGION 25 S P E C I A LT Y E N G I N E E R E D M AT E R I A L S 27% Building & 2021 REVENUE | $919 MILLION END MARKET 55% REGION 26 D I S T R I BU T I O N 26% Building and 80% 3% Latin America END MARKET REGION K E Y S U P P L I ER S 2021 REVENUE | $1 .6 B ILL ION 27 TOTA L C O M PA N Y R E G I O N A L S A L E S BY END MARKET 30% 26%Healthcare 14% Building & 2% Energy (16% of sales) 32% Building & (25% of sales) 28 19% Building & US & Canada (50% of sales) 38% 33% Building & LATAM (9% of sales) Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.

Buyer must give Seller written notice of the existence of each claim involving Product (whether based in contract, breach of warranty, negligence, strict liability, other tort or otherwise) within the earlier of thirty (30) days after receipt of the quantity of Product forming the basis for the claim or applicable shelf-life expiration, if any. Buyer expressly warrants that employees, agents and subcontractors of Buyer shall not directly or indirectly (i) accept, promise, offer or provide any improper advantage to, or (ii) enter into an agreement (a) with any entity or person, including officials of a government or a government-controlled entity, or (b) relating to a product, which would constitute an offense or infringement of applicable Laws and Standards. 17. No modification or addition to the contract shall occur by the acknowledgment or acceptance by Seller of a purchase order, acknowledgment, release or other form submitted by Buyer containing additional or different terms or conditions. 20.

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. FX +4.6% FX -1.5% Total Avient +3.1% Note: Regional Sales Percentages exclude impact of foreign exchange Q2 2024 SEGMENT PERFORMANCE (COLOR, ADDITIVES & INKS) $525 $542 $94 $108 19.9% (in millions) (in millions) 10 17.9% +200 bps * Adjusted EBITDA Margin % • Organic sales growth in all regions led by Americas • Raw material deflation combined with cost reduction actions drove EBITDA margin expansion + 3% (+5% excluding FX) + 15% (+17% excluding FX) Q2 2024 SEGMENT PERFORMANCE (SPECIALTY ENGINEERED MATERIALS) $301 $308 $60 $64 20.6% (in millions) (in millions) 11 19.8% +80 bps * Adjusted EBITDA Margin % • Sales growth in consumer, healthcare and building & construction end markets offset by weaker demand in telecommunications • EBITDA margin expansion driven by positive end market mix as well as raw material deflation + 2% (+4% excluding FX) + 7% (+8% excluding FX) 2024 G U IDA N CE FY 2024 GUIDANCE Previous (May 7) Current Adjusted EBITDA $510 to $535 million $515 to $540 million Adjusted EPS $2.50 to $2.65 $2.55 to $2.70 Interest Expense $105 million $105 million Adjusted Effective Tax Rate 23% to 25% 23% to 25% Capital Expenditures ~$140 million ~$140 million 13 Q3 2024: Adjusted EPS of $0.62 14 Highlights • Provides performance updates on 2030 Sustainability Goals • Reduced company’s Scope 1 & 2 GHG emissions by 48% since 2019 • Highlights ESG performance ratings, certifications, and awards, including recent upgrades by Ecovadis to Gold and CDP to A- • Reflects Great Place to Work® culture focused on health, safety and employee engagement 2023 SUSTAINABILITY REPORT 14 Sustainability for a Better Tomorrow 2023 SUSTAINABILITY REPORT 15 • Investor Day to be held December 4, 2024 in New York, NY • The focus will be to do a deep dive on the Company’s strategy • Further details to be communicated 2024 AVIENT INVESTOR DAY AP P EN D IX 18 Performance Additives 15% Pigments TiO2 Dyestuffs Polyethylene 10%Nylon Polypropylene Styrenic Block Copolymer Other Raw Materials 38% ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials RAW MATERIAL BASKET SEGMENT DATA U.S. & Canada 41% 2023 SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS 19% 23%Industrial Building and END MARKET REVENUE $2,007M $358M $1,138M $224M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $502M$3,143M (1) 20 (1) Total company sales and adjusted EBITDA of $3,143M and $502M, respectively, include intercompany sales eliminations and corporate costs 2023 REVENUE | $2 .0 B ILL ION 34% 37% 21% END MARKET REGION 21 34% 21% 15% Building & 1% Energy COLOR, ADDITIVES & INKS 2023 REVENUE | $1 .1 B ILL ION 52% 35% 22 6%Industrial 12% 10% Defense Building & END MARKET REGION SPECIALTY ENGINEERED MATERIALS 32% 26% Building & 6% 2% Defense 1% (18% of sales) 2023 AVIENT REGIONAL SALES 25% Building & (36% of sales)Transportation 22% Building & 12% 6% US & Canada (41% of sales) 59% 22% Building & LATAM (5% of sales) 23 BY END MARKET Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.

Buyer must give Seller written notice of the existence of each claim involving Product (whether based in contract, breach of warranty, negligence, strict liability, other tort or otherwise) within the earlier of thirty (30) days after receipt of the quantity of Product forming the basis for the claim or applicable shelf-life expiration, if any. Buyer expressly warrants that employees, agents and subcontractors of Buyer shall not directly or indirectly (i) accept, promise, offer or provide any improper advantage to, or (ii) enter into an agreement (a) with any entity or person, including officials of a government or a government-controlled entity, or (b) relating to a product, which would constitute an offense or infringement of applicable Laws and Standards. 17. No modification or addition to the contract shall occur by the acknowledgment or acceptance by Seller of a purchase order, acknowledgment, release or other form submitted by Buyer containing additional or different terms or conditions. 20.

Buyer must give Seller written notice of the existence of each claim involving Product (whether based in contract, breach of warranty, negligence, strict liability, other tort or otherwise) within the earlier of thirty (30) days after receipt of the quantity of Product forming the basis for the claim or applicable shelf-life expiration, if any. Buyer expressly warrants that employees, agents and subcontractors of Buyer shall not directly or indirectly (i) accept, promise, offer or provide any improper advantage to, or (ii) enter into an agreement (a) with any entity or person, including officials of a government or a government-controlled entity, or (b) relating to a Product, which would constitute an offense or infringement of Laws and Standards. 17. No modification or addition to the Contract shall occur by the acknowledgment or acceptance by Seller of a purchase order, acknowledgment, release or other form submitted by Buyer containing additional or different terms or conditions. 20.

Buyer must give Seller written notice of the existence of each claim involving Product (whether based in contract, breach of warranty, negligence, strict liability, other tort or otherwise) within the earlier of thirty (30) calendar days after receipt of the quantity of the Product forming the basis for the claim or applicable shelf-life expiration, if any. Buyer expressly warrants that directors, officers, employees, agents and subcontractors of Buyer shall not directly or indirectly (i) accept, promise, offer or provide or agree to accept, promise, offer or provide, any advantage (ii) to, or enter into an agreement with (a) any entity or person, including officials of any government or any government-controlled entity or agency, or (b) relating to a product, which would constitute an offense or infringement of applicable Laws and Standards. 17. No modification or addition to the contract shall occur by the acknowledgment or acceptance by Seller of a purchase order, acknowledgment, release or other form submitted by Buyer containing additional or different terms or conditions. 20.

Buyer must give Seller written notice of the existence of each claim involving Product (whether based in contract, breach of warranty, negligence, strict liability, other tort or otherwise) within the earlier of thirty (30) days after receipt of the quantity of Product forming the basis for the claim or applicable shelf-life expiration, if any. Buyer expressly warrants that employees, agents and subcontractors of Buyer shall not directly or indirectly (i) accept, promise, offer or provide any improper advantage to, or (ii) enter into an agreement (a) with any entity or person, including officials of a government or a government-controlled entity, or (b) relating to a product, which would constitute an offense or infringement of applicable Laws and Standards. 17. No modification or addition to the contract shall occur by the acknowledgment or acceptance by Seller of a purchase order, acknowledgment, release or other form submitted by Buyer containing additional or different terms or conditions. 20.