ONCOLOR™ COLOR CONCENTRATES • Complete range of in-stock color solutions designed specifically for telecommunications, energy, and automotive applications - Complete Munsell color range for telecommunications applications - Complete NEMA color range for electrical applications - J1128 SAE specifications for automotive applications - UL 2885 file E482856 for halogen-free formulations • Custom color solutions for your most demanding low smoke, non-halogenated, UV, temperature, aging, and shrinkage requirements • Weatherable pigments providing color fade resistance for demanding outdoor applications • Optimized formulations for cross-linked polyethylene wire and cable constructions CESA™ PERFORMANCE ADDITIVE CONCENTRATES Custom designed additive solutions for your specific applications, providing added value through ease of processing, product performance, and operational cost savings • Laser marking - improve marking reliability and durability in all types of cable jacketing and insulating materials • Antimicrobial - help protect cables from harmful mold and bacteria growth • Nucleating agents - maintain critical dimensions and manage shrink characteristics • Chemical foaming agents - take out weight and reduce resin costs • UV stabilizers - protect resin material and extend product life • Antioxidants - maintain physical properties • Processing aids - minimize die drool associated with some materials COLORANT CHROMATICS™ HIGH- TEMPERATURE POLYMER SOLUTIONS • Fluoropolymer and high-temperature thermoplastics-based colorant and additive concentrates and compounds • Dispersed pigments for coloring PTFE • Functional additives including laser marking, foaming agents, and conductive, antistatic, radiopaque, reinforced, and cross-linked grades • Full range of printing, striping, and marking inks PRODUCT CODE LET DOWN RATIO COLOR (Munsell) CC10225921 1.00% Black CC00012573 1.00% White CC10222359 1.00% Red CC10223395 1.00% Gray CC10222361 1.00% Green CC00012376 1.00% Blue CC10222363 1.00% Orange CC10222360 1.00% Yellow CC10223394 1.00% Brown CC00012516 1.00% Purple CC10062368 1.00% Aqua CC10223396 1.00% Pink P VC PRODUCT CODE LET DOWN RATIO COLOR (Munsell) CC00000001 1.00% Black CC00012837 1.00% White CC10225296 1.00% Red CC10225298 1.00% Gray CC10225300 1.00% Green CC10225295 1.00% Blue CC10225297 1.00% Orange CC10225299 1.00% Yellow CC10225301 1.00% Brown CC10225603 1.00% Purple CC10225293 1.00% Aqua CC10225294 1.00% Pink P E ONCOLOR™ SOLUTIONS FOR TELECOMMUNICATIONS • PVC colorants designed for telecommunications and fiber optic applications • PE colorants that are excellent for foam skin and solid insulation applications • EVA colorants designed for cross-linked materials and resin applications including XLPE, XLPO, PVC, PE, and more PRODUCT CODE LET DOWN RATIO COLOR (Munsell) CC00012853 1.00% Black CC00012946 1.00% White CC10221766 1.00% Red CC10221760 1.00% Gray CC10221765 1.00% Dk Green CC10221764 1.00% Lt Green CC10221757 1.00% Dk Blue CC10221761 1.00% Lt Blue CC10221767 1.00% Orange CC10221763 1.00% Yellow CC10221758 1.00% Brown CC10221762 1.00% Purple CC10224626 1.00% Tan CC10221759 1.00% Pink EV A PRODUCT CODE LET DOWN RATIO COLOR (Munsell) CC10190635 3.00% Black CC10190642 3.00% White CC10190641 3.00% Red CC10190637 3.00% Gray CC10190638 3.00% Green CC10185195 3.00% Blue CC10185197 3.00% Orange CC10190643 3.00% Yellow CC10190636 3.00% Brown CC10190640 3.00% Purple CC10190634 3.00% Aqua CC10190639 3.00% Pink P BT PRODUCT CODE LET DOWN RATIO COLOR (Munsell) CC10246438WE 2.00% Aqua CC10245005WE 2.00% Black CC10246090WE 2.00% Blue CC10264438DR 2.00% Brown CC10245008WE 2.00% Gray CC10246092WE 2.00% Green CC10264439DR 3.00% Orange CC10261866DR  2.00% Pink CC10261867DR 2.00% Purple CC10264436DR 2.00% Red  CC10245006WE 2.00% White CC10246093WE 2.00% Yellow U L 28 85 ONCOLOR™ SOLUTIONS FOR ENERGY CABLE APPLICATIONS • Recommended use rate may vary depending on specific application, process, equipment, and resin grade PRODUCT CODE LET DOWN RATIO COLOR (NEMA) CC00012342 1.00% Black CC00012575 1.00% White CC00012547 1.00% Red CC10018221 1.00% Gray CC00012444 1.00% Dk Green CC10018222 1.00% Lt Green CC00012408 1.00% Dk Blue CC00012407 1.00% Lt Blue CC10013140 1.00% Orange CC00036502 1.00% Yellow CC00012363 1.00% Dk Brown CC00012373 1.00% Lt Brown CC00012526 1.00% Purple CC10018225 1.00% Tan P VC PRODUCT CODE LET DOWN RATIO COLOR (NEMA) AB13820380 3.00% Yellow AB24820333 3.00% Orange AB32820571 3.00% Pink AB33820570 3.00% Red AB44820167  3.00% Purple AB54820507 3.00% Dark Blue AB63820502 3.00% Dark Green AB72820811 3.00% Gray AB84820533 3.00% Brown AB94820333 3.00% Black CC00016954  1.00% White N YL O N ONCOLOR™ SOLUTIONS FOR AUTOMOTIVE APPLICATIONS • EVA colorants designed for use with cross-linked materials such as XLPE • Recommended use rate is 1.00% and may vary depending on specific application, process, equipment, and resin grade PRODUCT CODE LET DOWN RATIO COLOR CC00012853 1.00% Black CC00012946 1.00% White CC10221766 1.00% Red CC10221760 1.00% Gray CC10221765 1.00% Dk Green CC10221764 1.00% Lt Green CC10221757 1.00% Dk Blue CC10221761 1.00% Lt Blue CC10221767 1.00% Orange CC10221763 1.00% Yellow CC10221758 1.00% Brown CC10221762 1.00% Purple CC10224626 1.00% Tan CC10221759 1.00% Pink EV A, J 11 28 PRODUCT CODE LET DOWN RATIO COLOR CC00012342 1.00% Black CC00012575 1.00% White CC00012535 1.00% Red CC00012461 1.00% Gray CC00012425 1.00% Dk Green CC00012426 1.00% Lt Green CC00012379 1.00% Dk Blue CC00012378 1.00% Lt Blue CC00012490 1.00% Orange CC00012585 1.00% Yellow CC00012363 1.00% Brown CC00012525 1.00% Purple CC00012561 1.00% Tan CC00012507 1.00% Pink P VC , J 11 28 A RANGE OF WORLD-CLASS SERVICES With manufacturing facilities and innovation centers across the globe, we work with you to understand your goals and provide the expertise you need for your wire and cable applications.

Sales EBITDA Specialty Engineered Materials Color Additives and Inks $585M$3,635M (1) Transportation 9% Healthcare 8% 23 C O L O R , A D D I T I V E S & I N K S 2 0 2 2 R E V E N U E | $ 2 . 3 B I L L I O N US & Canada 35% EMEA 40% Asia 20% Latin America 5% END MARKET REGION 24 Packaging 33% Consumer 22% Healthcare 9% Industrial 15% Transportation 8% Building & Construction 11% Telecommunications 1% Energy 1% Figures represent 2022 full year estimates S P E C I A L T Y E N G I N E E R E D M A T E R I A L S 2 0 2 2 P R O F O R M A R E V E N U E | $ 1 . 3 B I L L I O N END MARKET US & Canada 50% EMEA 35% Asia 15% REGION 25 Figures represent 2022 full year estimates Packaging 5% Consumer 19% Healthcare 8%Industrial 16% Transportation 10% Telecommunications 10% Energy 9% Defense 15% Building & Construction 8% Packaging 31% Consumer 28% Healthcare 8% Industrial 13% Building & Construction 5% Telecommunications 3% Energy 2% Defense 1% Asia (20% of sales) Transportation 9% 2 0 2 2 P R O F O R M A AV I E N T R E G I O N A L S A L E S B Y E N D M A R K E T Packaging 29% Consumer 13% Healthcare 5% Industrial 17% Building & Construction 11% Energy 5% Defense 7% EMEA (35% of sales) Transportation 10% Packaging 14% Consumer 23% Healthcare 11% Industrial 15% Building & Construction 12% Energy 5% Defense 7% US & Canada (40% of sales) Transportation 7% Packaging 49% Consumer 22% Healthcare 8% Industrial 9% Building & Construction 6% Telecommunications 1% LATAM (5% of sales) Transportation 5% Telecommunications 3% Telecommunications 6% Figures represent 2022 full year estimates 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. Three Months Ended September 30, 2022 Three Months Ended September 30, 2021 Reconciliation to Condensed Consolidated Statements of Income $ EPS $ EPS Net (loss) income from continuing operations attributable to Avient shareholders $ (27.4) $ (0.30) $ 33.7 $ 0.37 Special items, after tax (Attachment 3) 68.3 0.75 11.7 0.13 Amortization expense, after-tax 13.4 0.14 $ 11.0 $ 0.11 Adjusted net income / EPS $ 54.3 $ 0.59 $ 56.4 $ 0.61 2009* 2012* 2015 2018 Net income from continuing operations attributable to Avient common shareholders $ 106.7 $ 53.3 $ 144.6 $ 161.1 Joint venture equity earnings, after tax (19.0) — — — Special items, before tax (48.7) 55.1 87.6 59.5 Special items, tax adjustments (27.2) (18.9) (58.7) (25.3) Amortization expense, after tax 1.8 8.3 10.4 19.5 Adjusted net income from continuing operations attributable to Avient common shareholders $ 13.6 $ 97.8 $ 183.9 $ 214.8 Diluted shares 93.4 89.8 88.7 80.4 Adjusted EPS attributable to Avient common shareholders $ 0.15 $ 1.09 $ 2.08 $ 2.67 * Historical results have been updated to reflect subsequent changes to accounting principle and discontinued operations, excluding any changes as a result of discontinued operations from the sale of the Designed Structures and Solutions segment (DSS) and the Performance Products and Solutions segment (PP&S). 1 Year Ended December 31, Reconciliation to EBITDA and Adjusted EBITDA: 2006 2018 Sales $ 2,622.4 $ 3,533.4 Net income from continuing operations – GAAP $ 133.5 $ 160.8 Income tax expense 29.7 36.4 Interest expense 63.1 62.8 Depreciation and amortization 57.1 91.5 EBITDA $ 283.4 $ 351.5 Special items, before tax (34.0) 59.5 Depreciation and amortization included in special items — (3.0) JV - equity income (107.0) — Adjusted EBITDA $ 142.4 $ 408.0 EBITDA as a % of sales 5.4 % 11.5 % Reconciliation of Color, Additives and Inks EBITDA Q3 2022 Q3 2021 Operating Income 68.6 66.8 Depreciation and amortization 24.2 26.6 EBITDA 92.8 $ 93.4 Reconciliation of Specialty Engineered Materials EBITDA Q3 2022 Q3 2021 SEM(1) Pro forma APM(1) Pro forma SEM SEM Pro forma APM Pro forma SEM Operating Income 31.4 6.3 37.7 30.0 13.9 43.9 Depreciation and amortization 12.9 10.9 23.8 7.9 18.4 26.3 EBITDA $ 44.3 $ 17.2 $ 61.5 $ 37.9 $ 32.3 $ 70.2 Reconciliation of Specialty Engineered Pro Forma Sales Q3 2022 Q3 2021 Sales 258.2 231.7 Pro forma APM(1) 60.7 94.1 Pro forma sales $ 318.9 $ 325.8 Reconciliation of Avient Pro Forma Sales Q3 2022 Q3 2021 Sales 823.3 818.0 Pro forma APM(1) 60.7 94.1 Pro forma sales $ 884.0 $ 912.1 (1) - Q3 2022 SEM results reflect one month of APM’s results while owned by Avient, as the acquisition closed on September 1, 2022.

Solutions that Support the Circular Economy REDUCED ENERGY USE CESA™ Dry Additives CESA™ Release Additives OnCap™ CTR Process Optimization ColorMatrix™ Joule™ & Smartheat™ Infrared Absorber Specialty Low Cure Inks SiteCool™ Infrared Absorption Technologies BIO-DERIVED CONTENT reSound™ OM Bio-Derived Thermoplastic Elastomers reFlex™ Bio-Derived Plasticizer OnCap™ Bio Additives OnColor™ Bio Colorants reSound™ Natural Fiber Reinforced Formulations LIGHTWEIGHTING Glasforms™ Pultrusion Technologies Polystrand™ Continuous Fiber Composites IMPROVED RECYCABILITY CESA™ IR Black Additives CESA™ Extend Additives ColorMatrix™ Lactra™ SX Light Blocking Additive for PET ColorMatrix™ Ultimate™ UV Light Barrier ColorMatrix™ Capture™ Oxygen Scavenger for PET ColorMatrix™ Triple A™ Acetaldehyde Scavenging Additives ColorMatrix™ Reprize™ IV Builder for PET OnColor™ IR Sortable Black for Recyclable Packaging Bergadur™ Post-Industrial Recycled Content Polyester Formulations Nymax™ PIR Post-Industrial Recycled Nylon Formulations Maxxam™ FR Flame Retardant Polyolefin Formulations Predictions Gartner predicts circular economies will replace linear economies in 10 years, noting that supply chain leaders must adapt to circular models in order to keep up in a marketplace with a growing emphasis on sustainability.

Solutions that Support the Circular Economy REDUCED ENERGY USE CESA™ Dry Additives CESA™ Release Additives OnCap™ CTR Process Optimization ColorMatrix™ Joule™ & Smartheat™ Infrared Absorber Specialty Low Cure Inks SiteCool™ Infrared Absorption Technologies BIO-DERIVED CONTENT reSound™ OM Bio-Derived Thermoplastic Elastomers reFlex™ Bio-Derived Plasticizer OnCap™ Bio Additives OnColor™ Bio Colorants reSound™ Natural Fiber Reinforced Formulations LIGHTWEIGHTING Glasforms™ Pultrusion Technologies Polystrand™ Continuous Fiber Composites IMPROVED RECYCABILITY CESA™ IR Black Additives CESA™ Extend Additives ColorMatrix™ Lactra™ SX Light Blocking Additive for PET ColorMatrix™ Ultimate™ UV Light Barrier ColorMatrix™ Capture™ Oxygen Scavenger for PET ColorMatrix™ Triple A™ Acetaldehyde Scavenging Additives ColorMatrix™ Reprize™ IV Builder for PET OnColor™ IR Sortable Black for Recyclable Packaging Bergadur™ Post-Industrial Recycled Content Polyester Formulations Nymax™ PIR Post-Industrial Recycled Nylon Formulations Maxxam™ FR Flame Retardant Polyolefin Formulations Predictions Gartner predicts circular economies will replace linear economies in 10 years, noting that supply chain leaders must adapt to circular models in order to keep up in a marketplace with a growing emphasis on sustainability.

Investor Day - May 2012 - Global Color, Additives, and Inks

Investor Day - May 2012 - Global Color, Additives, and Inks

Investor Day - May 2012 - Global Color, Additives, and Inks

Investor Day - May 2012 - Global Color, Additives, and Inks

Investor Day - May 2012 - Global Color, Additives, and Inks

Investor Day - May 2012 - Global Color, Additives, and Inks