We will uphold these values with the utmost integrity in all that we do. Yet there is no greater example of targeted and effective succession planning than our recent announcement that Bob Patterson will succeed me as CEO of PolyOne Corporation in 2014. We do not expect future charges related to these actions to be material.

That’s what great companies do. At PolyOne we pledge to do both. $12M+ FOR UNITED WAY SINCE 2008 Founding Member 2.0 1.5 1.0 .5 0 UNITED WAY CAMPAIGN RESULTS U .S .

We do not answer this question on surveys. We do not answer this question on surveys. Do you have integrated quality system software?

Organize Sanayi Bölgesi, 83539 27060 Sehitkamil Türkiye Avient Colorants USA LLC Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 926 Elliott Road Albion MI 49224 United States Avient Corporation Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 3023 Mayo Street Dalton GA 30720 United States Avient Corporation Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 85 Industrial Park Holden MA 01520 United States Avient Corporation Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 17 Foss Road Lewiston ME 04240 United States Avient Corporation Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 9101 International Parkway Minneapolis MN 55428 United States Avient Corporation Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 337 Timber Road Mooresville NC 28115 United States Avient Corporation Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 4425 East Elwood Street, Suite 104 Phoenix AZ 85040 United States Avient Corporation Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 625 Wegner Drive West Chicago IL 60185 United States Avient Corporation Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 382 Arbor Court Winchester VA 22602 United States Avient Vietnam Company Limited Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 3 VSIP street 02 75000 Tuan Anh Town Vietnam Avient Colorants (Guangzhou) Ltd.

Review and approve the performance criteria, target awards, payout criteria and like items for the Company’s annual incentive and long-term incentive compensation plans Review and assess risks arising from the Company’s compensation policies and practices for its executive officers and employees, and whether any such risks are reasonably likely to have a material adverse effect on the Company

You can identify these statements by the fact that they do not relate strictly to historic or current facts. EBITDA $130 million +6% (+7% ex FX)Net Sales $815 million +8% (+8.5% ex FX) Net Sales $815 million +8% (+8.5% ex FX) Q 3 2 0 2 4 R E S U L T S TOTAL COMPANY ( Q 3 2 0 2 4 P E R F O R M A N C E V S Q 3 2 0 2 3 ) $754 $815 Q3 23 Q3 24 $123 $130 Q3 23 Q3 24 Sales Adjusted EBITDA (in millions) $0.57 $0.65 Q3 23 Q3 24 (in millions) Adjusted EBITDA Adjusted EPS 8 + 8% (+8.5% excluding FX) + 6% (+7% excluding FX) + 14% (+16% excluding FX) Sales 9 Q3 2 024 RESULTS – ORGA NI C REVENUE GROW TH BY REGI ON VS PY 9 US & Canada Latin America EMEA Asia +9% +5% +11% +27% Avient ex. FX +8.5% FX -0.4% Total Avient +8.1% Note: Regional Sales Percentages exclude impact of foreign exchange COLOR, ADDITIVES & INKS SEGMENT ( Q 3 2 0 2 4 P E R F O R M A N C E V S Q 3 2 0 2 3 ) $487 $522 Q3 23 Q3 24 $89 $97 Q3 23 Q3 24 Sales Adjusted EBITDA (in millions) (in millions) Sales Adjusted EBITDA 10 + 7% (+8% excluding FX) + 9% (+11% excluding FX) 18.3% +40 bps *18.7% * * Adjusted EBITDA Margin % • Sales growth driven by winning new product specifications in consumer & packaging, strong underlying demand in healthcare and improving demand in building & construction • Favorable mix and raw material deflation contributed to EBITDA margin expansion SPECIALTY ENGINEERED MATERIALS SEGMENT ( Q 3 2 0 2 4 P E R F O R M A N C E V S Q 3 2 0 2 3 ) $268 $295 Q3 23 Q3 24 $51 $57 Q3 23 Q3 24 Sales Adjusted EBITDA (in millions) (in millions) Sales Adjusted EBITDA 11 • Sales growth driven by restocking in healthcare & consumer end markets and strong underlying demand for composite applications used in building & construction, energy and defense end markets • Favorable mix contributed to EBITDA margin expansion + 10% (+10% excluding FX) + 12% (+13% excluding FX) 19.0% +40 bps *19.4% * * Adjusted EBITDA Margin % 2 0 2 4 G U I D A N C E FY 20 24 GUIDA NC E Previous (Aug 6) Current Adjusted EPS $2.55 to $2.70 $2.63 to $2.67 Adjusted EBITDA $515 to $540 million $525 to $530 million Interest Expense $105 million $104 million Adjusted Effective Tax Rate 23% to 25% 23% to 25% Capital Expenditures & Investment in S/4 Hana ~$140 million ~$140 million 13 14 • Investor Day to be held December 4, 2024 at the NYSE, beginning at 10AM • The focus will be to do a deep dive on the Company’s strategy • Registration available at www.avient.com/investors 20 24 AVI ENT INVESTOR DAY A P P E N D I X 17 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 RA W MATERI AL BA SKET 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% 19 (1) Total company sales and adjusted EBITDA of $3,143M and $502M, respectively, include intercompany sales eliminations and corporate costs 2 0 2 3 R E V E N U E | $ 2 . 0 B I L L I O N US & Canada 34% EMEA 37% Asia 21% Latin America 8% END MARKET REGION 20 Packaging 34% Consumer 21% Healthcare 8% Industrial 15% Transportation 9% Building & Construction 10% Telecommunications 1% Energy 2% COLOR , AD DI TI VES & INKS 2 0 2 3 R E V E N U E | $ 1 . 1 B I L L I O N US & Canada 52% EMEA 35% Asia 13% 21 Packaging 5% Consumer 16% Healthcare 6%Industrial 16% Transportation 12% Telecommunications 9% Energy 10% Defense 18% Building & Construction 8% END MARKET REGION SPEC IA LTY ENGI NEER ED MATERI ALS Packaging 32% Consumer 26% Healthcare 9% Industrial 13% Building & Construction 6% Telecommunications 2% Energy 2% Defense 1% Asia (18% of sales) Transportation 9% 2 0 2 3 AV I E N T R E G I O N A L S A L E S 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% 22 B Y E N D M A R K E T 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.

See how Cesa™ Stat Antistatic Additives provide a long-lasting antistatic effect on molded plastic parts like dashboards, interior door trim, glove boxes and other interior trim parts. Cesa™ Nox A4R is a specialized antioxidant additive that stabilizes polyolefins during processing, preventing the typical defects like discoloration, gels, and black spots—during initial, and future conversion steps and recycling loops (Chinese language version)

See how Cesa™ Stat Antistatic Additives provide a long-lasting antistatic effect on molded plastic parts like dashboards, interior door trim, glove boxes and other interior trim parts. Cesa™ Nox A4R is a specialized antioxidant additive that stabilizes polyolefins during processing, preventing the typical defects like discoloration, gels, and black spots—during initial, and future conversion steps and recycling loops (Chinese language version)

They require resistance to environmental factors like ultraviolet (UV) exposure, heat, and cleaning chemicals to ensure the device's reliability and longevity. Pre-tested color and additives solutions based on biopolymers to help reduce carbon footprint – drop-in solutions that can be used like fossil-based equivalents

Like other Mevopur formulations, they are manufactured in dedicated ISO 13485 facilities and supported by testing to ISO 10993-1, USP, European Pharmacopeia, and ICH Q3D guidelines. Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint