Cualquier término y/o condición adicional, diferente o de otro tipo, contenida en cualquier orden de compra, documento, sitio web u otra comunicación por parte del Comprador o de éste, son objetadas y rechazadas por el Vendedor. Alleged claims, if any, do not affect Buyer’s obligation to pay for the conforming portion of the Products delivered. Unless otherwise agreed in a writing signed by Seller, Seller may make changes to its Product and process without notice to, or approval from, Buyer so long as the Product Specifications do not change and the Product conforms to such 11.

Long fiber composites typically have similar impact performance at -60°F (-50°C) as they do at room temperature. No longer do you need to compromise and receive only black parts to obtain structural performance.

You can identify these statements by the fact that they do not relate strictly to historic or current facts. ASHISH KHANDPUR PRESIDENT & CEO 7 8 PORTFOLIO TRANSFORMATION 8 7% 46% 66% 87% 100% 0% 20% 40% 60% 80% 100% 2005 2010 2015 2020 2023 % o f A dj us te d EB IT D A Commodity JVs Distribution Performance Products & Solutions Specialty Businesses Adjusted EBITDA from Specialty Applications SUSTAINABILITY AS A GROWTH DRIVER 9 LONG-TERM REVENUE GROWTH DRIVERS Sustainable Solutions Composites, Healthcare, Asia / LATAM Overlap Other 60%+ Key Growth Drivers Total Company Revenue Growth Drivers Long-Term Growth Rate Sustainable Solutions 8–12% Composites 8–10% Healthcare 8–10% Asia / LATAM 5% Other 0–2% Avient 6% END MARKET OBSERVATIONS (% OF COMPANY SALES) ENERGY 5% DEFENSE 7% TELECOMMUNICATIONS 4% HEALTHCARE 7% 10 TRANSPORTATION 10% INDUSTRIAL 16% BUILDING & CONSTRUCTION 9% CONSUMER 19% PACKAGING 23% 11 REGIONAL OBSERVATIONS (% OF COMPANY SALES) 11 US & Canada Latin America EMEA Asia 41% 36% 18% 5% Q 4 2023 RE S U LT S Q4 2023 PERFORMANCE VS. PY (TOTAL COMPANY) $790 $719 2022 2023 $107 $114 2022 2023 Sales Adjusted EBITDA (in millions) $0.42 $0.52 2022 2023 Adjusted EPS (in millions) - 9% + 7% + 24% Sales Adjusted EBITDA Adjusted EPS 15 Q4 2023 SEGMENT PERFORMANCE 16 CAI $491 $459 Sales (in millions) $70 $84 EBITDA SEM $301 $260 Sales $55 $49 EBITDA - 7% - 14%+20% - 11% 2022 2023 (in millions) Q4 EBITDA BRIDGE (TOTAL COMPANY) 17 $ millions CAI: Price / Mix 11 Deflation 14 SEM: Price / Mix 4 Deflation 9 Net Price Benefit 38 Cost Reductions 13 Wage Inflation (8) Other (2) Q4 2023 $114 Adjusted EBITDA Q4 2022 $ 107 Demand (34) • Demand was down, but less than in previous quarters, due to slowing pace of destocking • Positive net price benefit: o CAI – Pricing flat with favorable mix from uptick in packaging and consumer end markets and raw material deflation o SEM - Pricing flat with favorable mix from Composites and raw material deflation • Cost reductions primarily driven by reduced administrative costs and cost synergies 2024 G U I DAN CE 2024 GUIDANCE Full Year 2024 Guidance Adjusted EBITDA $505 to $535 million Adjusted EPS $2.40 to $2.65 Interest Expense $105 to $110 million Adjusted Effective Tax Rate 23% to 25% Capital Expenditures ~$140 million 19 Q1 Adjusted EPS of $0.68 AP P E N DI X 21 Performance Additives 15% Pigments 13% TiO2 9% Dyestuffs 2% Polyethylene 10%Nylon 5% Polypropylene 4% Styrenic Block Copolymer 4% 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% EMEA 36% Asia 18% Latin America 5% 2023 SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS Consumer 19% Packaging 23%Industrial 16% Building and Construction 9% Telecommunications 4% Energy 5% Defense 7% END MARKET REVENUE $2,007M $358M $1,138M $224M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $502M$3,143M (1) Transportation 10% Healthcare 7% 23 (1) Total company sales and adjusted EBITDA of $3,143M and $502M, respectively, include intercompany sales eliminations and corporate costs 2023 REVENUE | $2 .0 BILLION US & Canada 34% EMEA 37% Asia 21% Latin America 8% END MARKET REGION 24 Packaging 34% Consumer 21% Healthcare 8% Industrial 15% Transportation 9% Building & Construction 10% Telecommunications 1% Energy 2% COLOR, ADDITIVES & INKS 2023 REVENUE | $1 .1 BILLION US & Canada 52% EMEA 35% Asia 13% 25 Packaging 5% Consumer 16% Healthcare 6%Industrial 16% Transportation 12% Telecommunications 9% Energy 10% Defense 18% Building & Construction 8% END MARKET REGION SPECIALTY ENGINEERED MATERIALS Packaging 32% Consumer 26% Healthcare 9% Industrial 13% Building & Construction 6% Telecommunications 2% Energy 2% Defense 1% Asia (18% of sales) Transportation 9% 2023 AVIENT REGIONAL SALES Packaging 25% Consumer 13% Healthcare 5% Industrial 18% Building & Construction 9% Energy 5% Defense 8% EMEA (36% of sales)Transportation 13% Packaging 13% Consumer 22% Healthcare 10% Industrial 16% Building & Construction 12% Energy 6% Defense 8% US & Canada (41% of sales) Transportation 9% Packaging 59% Consumer 22% Healthcare 2% Industrial 8% Building & Construction 4% LATAM (5% of sales) Transportation 5% Telecommunications 4% Telecommunications 4% 26 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.

U KAS MANAC〔M〔N丁 SYSTEMS 0005 、端；薰；; HCSGS 13485 2016 Olin ：氨 城心〔找n心亡〔 ．．八 护、产、八 j丹月六户 八八月户 八月月‘、 ）如》 称资熨面蔚若三 「｛羹 StS55G S GSlfS5SG56SGSGSGSGSGSG5G5 f5 嚷i羹羹巍熊燕鬓；；奎忿 rage I Oil;；燕七 :终 sds 0Gs、 山5互 0s's""“ 刀之： J"‘、 ,slttiGsti.' S6SG孰 S3 u"6SC GStiSGSCsGSGSGS Ce。。

The Board also participates in an ongoing effort to assess and analyze the most likely areas of future risk for the Company by asking our management team to discuss the most likely sources of material future risks and how we are addressing any significant potential vulnerability. We do not have employment agreements with our Named Executive Officers. RISK ASSESSMENT OF THE COMPENSATION PROGRAMS As part of the Compensation Committee’s annual governance process, in October 2023 we conducted a formal assessment of our compensation programs to help confirm that they do not create risks that are reasonably likely to have a material adverse effect on Avient.

It shall not respond to that request itself unless it has been authorised to do so by the data exporter. b. The footnotes to the Approved EU SCCs do not form part of the Addendum, except for footnotes 8, 9, 10 and 11. It shall not respond to that request itself unless it has been authorised to do so by the data exporter. b.

Time horizon Long-term Likelihood Likely Magnitude of impact Low Are you able to provide a potential financial impact figure? Engagement C12.1 (C12.1) Do you engage with your value chain on climate-related issues? Supply chain module SC0.0 (SC0.0) If you would like to do so, please provide a separate introduction to this module.

Lewiston, ME 04240 U.S.A.

Validation Avient Colorants Sweden AB and Avient Colorants Lewiston, ME follow the Global Harmonization Task Force guideline GHTF/SG3/N99-10 to define the procedure for process validation.

Thermoplastic elastomers that are super soft / gel-like. Ideal TPEs for safe, durable and regulatory compliant applications like pacifiers, bottles and bathtubs (Chinese language version) Ideal TPEs for safe, durable and regulatory compliant applications like pacifiers, bottles and bathtubs (English language version)