& 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% 22 (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 23 Packaging 34% Consumer 21% Healthcare 8% Industrial 15% Transportation 9% Building & Construction 10% Telecommunications 1% Energy 2% COLOR, ADDITIVES & 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% 24 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% 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% 25 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. Three Months Ended Year Ended Reconciliation of Pro Forma Adjusted Earnings per Share December 31, 2022 Net (loss) income from continuing operations attributable to Avient shareholders $ (17.0) $ 82.8 Special items, after tax 38.3 116.2 Amortization expense, after-tax 14.6 49.0 Adjusted net income from continuing operations excluding special items 35.9 248.0 Pro forma adjustments* 2.5 13.6 APM pro forma amortization expense, after-tax* — 19.1 Pro forma adjusted net income from continuing operations attributable to Avient shareholders $ 38.4 $ 280.7 Weighted average diluted shares 91.7 92.2 Pro forma adjusted EPS - excluding special items pro forma for APM acquisition $ 0.42 $ 3.04 * Pro forma adjustment to reflect APM results for the period before Avient ownership including the impacts of debt financing and paydown of debt with net proceeds from the Distribution sale. 2 Three Months Ended December 31, Year Ended December 31, 2023 2022 2023 2022 Sales: Color, Additives and Inks $ 459.4 $ 490.8 $ 2,007.4 $ 2,355.0 Specialty Engineered Materials 259.8 300.8 1,138.2 1,044.4 Corporate (0.2) (1.2) (2.8) (2.5) Sales $ 719.0 $ 790.4 $ 3,142.8 $ 3,396.9 Operating income: Color, Additives and Inks $ 61.8 $ 44.3 $ 259.9 $ 301.0 Specialty Engineered Materials 29.4 35.2 142.5 140.1 Corporate (48.1) (79.1) (205.6) (197.8) Operating income $ 43.1 $ 0.4 $ 196.8 $ 243.3 Other expense, net: $ 4.3 $ (28.4) $ 5.8 $ (59.7) Depreciation & amortization: Color, Additives and Inks $ 22.2 $ 25.2 $ 98.3 $ 101.3 Specialty Engineered Materials 19.8 20.3 81.5 48.7 Corporate 2.2 3.1 9.0 12.5 Depreciation & amortization $ 44.2 $ 48.6 $ 188.8 $ 162.5 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 84.0 $ 69.5 $ 358.2 $ 402.3 Specialty Engineered Materials 49.2 55.5 224.0 188.8 Corporate (45.9) (76.0) (196.6) (185.3) Other expense, net $ 4.3 $ (28.4) $ 5.8 $ (59.7) EBITDA $ 91.6 $ 20.6 $ 391.4 $ 346.1 Special items in EBITDA 22.3 86.8 110.4 162.5 EBITDA - excluding special items $ 113.9 $ 107.4 $ 501.8 $ 508.6 APM pro forma adjustments - 8 months 2022* — — — 83.1 Pro forma EBITDA $ 113.9 $ 107.4 $ 501.8 $ 591.7 * Pro forma adjustment for January - August 2022 APM results (period before Avient ownership). 3 AVNT Q4 2023 Earnings Presentation_For Website_with Non-GAAP.pdf AVNT Q4 2023 Earnings Presentation_For Website.pdf IR Deck - AVNT-2023.12.31 (2.12.24 9PM Milestone February 12 0905 pm).pdf Attachment Non-GAAP Update.pdf

In addition, when used to produce easy-open pill bottles in various colors that can be clearly identified, TPEs aid arthritic patients while they self- administer medications at home. 4. Brand and product identification TPEs can be colored to match unique colors for improved product branding. Lastly, unlike vulcanized rubber, TPEs offer nearly unlimited color choices for your products and packaging.

Develop and implement solutions to end plastic waste while supporting AEPW $1.5B investment in key initiatives. 2 0 3 0 S U STA I NA B I L I T Y TA RG E TS Avient Corporation 5 P RO D U C T S 8 W A Y S W E H E L P C U S T O M E R S B E M O R E S U S T A I N A B L E T R E N D S I N F O C U S Avient Corporation 6 RECYCLING / CIRCULAR ECONOMY LIGHTWEIGHTING ECO-CONSCIOUS S U S TA I NA B L E S O LU T I O N S F O R T H E C I RC U L A R E C O N O M Y Avient Corporation 7 OPTICA™ TONERS FOR PET LACTRA™ SX LIGHT BLOCKING ADDITIVE FOR PET AMOSORB™ OXYGEN SCAVENGER FOR PET JOULE™ & SMARTHEAT™ INFRARED ABSORBER ULTIMATE™ UV LIGHT BARRIER CESA®-NATUR BIO-SOURCED ADDITIVES TRIPLE A™ ACETALDEHYDE SCAVENGER FOR PET IR SORTABLE BLACK FOR RECYCLABLE PACKAGING EZE™ SLIP AGENT FOR PET ONCOLOR™ NATURALS – COLORANTS FOR RECYCLABLE PACKAGING RESOUND™ OM THERMOPLASTIC ELASTOMERS VERSAFLEX™ POST- CONSUMER RECYCLED (PCR) TPE FORMULATIONS AV I E N T C YC L E WO R KS I N N O V A T I O N C E N T E R T O A D V A N C E T H E C I R C U L A R E C O N O M Y • Laboratory mimics real-world circular recycling in a research environment • Conducts chemistry testing to improve plastics recycling for customers • Screening and evaluation of additive and colorant systems during recycling • Collaboration platform for customers and value chain partners Avient Corporation 8 Avient Corporation 9 AV I E N T E NA B L E S C U STO M E R S ’ C I RC U L A R E C O N O M Y G OA L S C O L O R M A T R I X ™ P R O C E S S A I D & T O N E R F O R R E C Y C L E D P E T L I G H T W E I G H T I NG Avient Corporation 10 NYMAX™ NYLON FORMULATIONS HYDROCEROL® CHEMICAL FOAMING AGENTS POLYSTRAND™ TAPES AND LAMINATES COMPLĒT™ LFT ENGINEERED RESINS W H AT ’ S H A P P E N I N G A V I E N T S O L U T I O N S PLASTICS ARE: AV I E N T S O LU T I O N S E NA B L E L I G H T W E I G H T DA S H B OA R D S K I N S H Y D R O C E R O L ® F O A M I N G A G E N T S O L U T I O N S Avient Corporation 11 E C O - C O N SC I O U S Avient Corporation 12 ONCOLOR™ BRILLIANT METALLIC COLORANTS W H AT ’ S H A P P E N I N G ONCOLOR™ WPC CAPSTOCK TECHNOLOGY ZODIAC™ AQUARIUS™ WATER BASED SCREEN PRINTING INKS MAGIQ™ FIBER COLORANTS & ADDITIVES SAFER & CLEANER MATERIALS RESOURCE CONSERVATION HUMAN HEALTH & SAFETY ECO-CONSCIOUS ALTERNATIVES A V I E N T S O L U T I O N S AV I E N T E C O - C O NS C I O U S S O LU T I O N S I M P ROV E FAC E M A S K P E R F O R M A N C E Avient Corporation 13 M A G I Q ™ E L E C T R E T P L U S T E C H N O L O G Y Improved filtration efficiency Protects against aerosols & bacteria particles Increased shelf-life ENERGY INTENSITY 9% DECREASE WASTE INTENSITY 2% DECREASE WATER INTENSITY 20% DECREASE TOTAL CO2 EMISSIONS 29% DECREASE P L A N ET K E Y P E R F O R M A N C E I N D I C A T O R S 2 0 1 6 - 2 0 1 9 56 ENERGY REDUCTION PROJECTS SAVE 7400+ MT/CO2 ANNUALLY PUNE, INDIAASSESSE, BELGIUM Avient Corporation 14 • Avient is a founding member • Cross value chain collaboration • Driving breakthrough innovations R E V E N U E F RO M S U S TA I N A B L E S O LU T I ON S 2016 2017 2018 2019 2020PF VOC Reduction Reduced Energy Use Bio-derived Content Eco-conscious Renewable Energy Applications Recyclability Reduced Material Requirements Lightweighting $275M $325M $355M $410M $560M (1) Proforma to include a full year of Clariant Masterbatch business acquisitionAvient Corporation 16 Revenue from sustainable solutions expected grow at an 8-12% CAGR into the future (1) THANK YOU Avient Corporation 17

Informacja o realizowanej strategii podatekowej Avient Colorants Poland Sp. z o.o. za rok podatkowy 2022 Spółka Avient Colorants Poland („Spółka”) NIP 7320000991 zgodnie z art. 27c ustawy o podatku dochodowym od osób prawnych (tj. Avient Colorants Poland składa także na potrzeby transakcji wewnątrzwspólnotowych deklarację VAT-UE. Podatek od nieruchomości Właścicielem budynków i gruntów jest Avient Colorants Poland.

With a wide range of color options and the availability of both slab and cube forms, Stan-Tone RBX can be formulated to meet specific customer requirements. KEY CHARACTERISTICS • Rigidly controlled process for lot-to-lot consistency • Formulated for excellent dispersion • Ease of handling • Customizable binder systems • Available in slab and cube forms APPLICATIONS Stan-Tone RBX Rubber Dispersions are suitable for a variety of applications within end markets such as: • Building and construction • Consumer • Healthcare • Packaging • Transportation Typical rubber applications include: • Industrial goods • Automotive mats • Flooring • Sponge rubber • Wire and cable applications Stan-Tone Code Pigment Type Approx. % Pigment Specific Gravity Color Index Heat Stability Lightfastness System WHITE 10MB03 Titanium Dioxide, Rutile 60 1.74 PW-6 1 I/O SBR 10EP03 Titanium Dioxide, Rutile 60 2.33 PW-6 1 I/O EPDM YELLOW 12MB01 (a) Diarylide AAOT GS 48 1.23 PY-14 3 I SBR 12MB02 (a) Diarylide AAOA GS 50 1.15 PY-17 3 I SBR 12MB03 (a) Diarylide HR RS 50 1.16 PY-83 2 I/O (Mass) SBR 12MB09 (a) Diarylide AAA RS 50 1.21 PY-12 3 I SBR 12MB10 (a) Diarylide AAMX RS 30 1.22 PY-13 3 I SBR 13MB03 Benzimidazolone GS 50 1.15 PY-151 2 I/O (Mass) SBR 81MB01 (c) Iron Oxide 65 1.84 PY-42 2 C I/O SBR 12EP01 (a) Diarylide AAOT GS 47 1.16 PY-14 3 I EPDM 12EP03 (a) Diarylide HR RS 43 1.17 PY-83 2 I/O (Mass) EPDM 12EP09 (a) Diarylide AAA RS 47 1.14 PY-12 3 I EPDM 81EP01 Iron Oxide 65 1.78 PY-42 2 C I/O EPDM ORANGE 15MB01 Pyrazolone YS 23 1.23 PO-13 2 I/O (Mass) SBR 15MB05 Dianisdine RS 40 1.11 PO-16 3 I/O (Mass) SBR 15MB06 Benzimidazolone RS 50 1.18 PO-36 2 I/O SBR 15MB07 Benzimidazolone YS 50 1.19 PO-64 2 I/O SBR 15EP01 Pyrazolone YS 23 1.16 PO-13 2 I/O (Mass) EPDM 15EP05 Dianisdine RS 43 1.07 PO-16 3 I/O (Mass) EPDM RED 20MB01 (b) Red Lake C YS 50 1.27 PR-53:1 3 I SBR 22MB01 (b) Lithol Rubine BS 42 1.19 PR-57:1 3 I SBR 23MB06 Specialty Naphthol BS 50 1.11 PR-170 2 I/O (Mass) C SBR 23MB07 Specialty Naphthol YS 50 1.13 PR-170 2 I/O (Mass) C SBR 25MB12 Red 2B, Ca Salt BS 49 1.25 PR-48:2 2 I/O (Mass) SBR 26MB03 (c) Pyrazolone YS 41 1.09 PR-38 2 C I/O (Mass) SBR 28MB02 Red 2B, Ba Salt YS 50 1.38 PR-48:1 2 I/O (Mass) SBR 82MB01 (c) Iron Oxide, Light BS 60 1.68 PR-101 1 I/O SBR 82MB02 (c) Iron Oxide, Dark VBS 60 1.8 PR-101 1 I/O SBR 82MB04 (c) Iron Oxide, Light VYS 60 1.83 PR-101 1 I/O SBR 82MB05 (c) Iron Oxide, Light YS 60 1.84 PR-101 1 I/O SBR 20EP01 (b) Red Lake C YS 50 1.23 PR-53:1 3 I EPDM Stan-Tone Code Pigment Type Approx. % Pigment Specific Gravity Color Index Heat Stability Lightfastness System RED 23EP06 Specialty Naphthol BS 50 1.06 PR-170 2 I/O (Mass) C EPDM 25EP12 Red 2B, Ca Salt Bs 49 1.2 PR-48:2 2 I/O EPDM 26EP03 Pyrazolone YS 41 1.03 PR-38 2 C I/O EPDM 28EP02 Red 2B, Ba Salt YS 50 1.33 PR-48:1 2 I/O EPDM 82EP02 Iron Oxide, Dark VBS 59 1.7 PR-101 1 I/O EPDM 82EP04 Iron Oxide, Light VYS 60 1.73 PR-101 1 I/O EPDM BLUE 40MB05 (c) Phthalocyanine GS 48 1.19 PB-15:3 1 I/O SBR 40MB08 (c) Phthalocyanine RS 52 1.27 PB-15 1 I/O SBR 40MB10 (c) Phthalocyanine RS-NC 48 1.22 PB-15:1 1 I/O SBR 40MB02 Ultramarine 51 1.35 PB-29 1 I/O SBR 40EP05 Phthalocyanine GS 44 1.14 PB-15:3 1 I/O EPDM 40EP08 Phthalocyanine RS 49 1.23 PB-15 1 I/O EPDM 40EP10 Phthalocyanine RS-NC 48 1.11 PB-15:1 1 I/O EPDM 42EP02 Ultramarine GS 50 1.27 PB-29 1 I/O EPDM GREEN 50MB05 Blend (Yellow/Blue) 48 1.21 N/A 3 I SBR 51MB01 (c) Phthalo Brominated VYS 50 1.4 PG-36 1 I/O SBR 51MB03 (c) Phthalocyanine YS 47 1.34 PG-7 1 I/O SBR 51MB05 (c) Phthalocyanine BS 50 1.46 PG-7 1 I/O SBR 59MB01 Chromium Oxide 69 2.17 PG-17 1 I/O SBR 50EP05 Blend (Yellow/Blue) 48 1.16 N/A 3 I EPDM 51EP01 Phthalo Brominated VYS 44 1.37 PG-36 1 I/O EPDM 51EP03 Phthalocyanine YS 47 1.33 PG-7 1 I/O EPDM 51EP05 Phthalocyanine Bs 45 1.37 PG-7 1 I/O EPDM 59EP01 Chromium Oxide 71 2.12 PG-17 1 I/O EPDM VIOLET/MAGENTA 24MB03 Quinacridone Violet 30 1.06 PV-19 2 I/O SBR 24MB04 Ultramarine Violet 60 1.59 PV-15 1 I/O SBR 24MB06 Benzimidazolone 40 1.08 PV-32 2 I/O SBR 24MB07 Carbazole Violet 40 1.25 PV-23 2 I/O SBR 24EP03 Quinacridone Violet 31 1 PV-19 2 I/O EPDM 24EP07 Carbazole Violet 14 1.34 PV-23 2 I/O EPDM Stan-Tone Code Pigment Type Approx. % Pigment Specific Gravity Color Index Heat Stability Lightfastness System BROWN 83MB01 (c) Iron Oxide, Tan HR 60 1.78 PBr-11 1 I/O SBR 83MB02 (c) Iron Oxide, Light 68 2.1 PBr-6 2 C I/O SBR 83MB03 (c) Iron Oxide, Dark 60 1.83 PBr-6 2 C I/O SBR 83EP02 Iron Oxide, Light 69 1.98 PBr-6 2 C I/O EPDM 83EP03 Iron Oxide, Dark 69 1.98 PBr-6 2 C I/O EPDM BLACK 90MB01 (c) Furnace N-330 31 1.2 PBk-7 1 I/O SBR 90MB05 (c) Iron Oxide 60 1.8 PBk-11 2 C I/O SBR 90EP01 Furnace Black 33 1.05 PBk-7 1 I/O EPDM 90EP05 Iron Oxide 55 1.56 PBk-11 2 C I/O EPDM ALUMINUM 61MB01 Aluminum 70 1.5 PM-1 1 I/O SBR 61EP01 Aluminum 60 1.31 PM-1 1 I/O EPDM RS = Red Shade YS = Yellow Shade VYS = Very Yellow Shade BS = Blue Shade VBS = Very Blue Shade GS = Green Shade NC = Non-Crystallizing HR = Heat-Resistant (a) = Potential Migration at Low Use Levels (b) = Poor Alkali Resistance - Not Recommended for Open Steam Cure (c) = Six Month Shelf Life LIGHTFASTNESS I = Indoor Only I/O = Indoor or Outdoor Mass = Outdoor Masstone Application Only C = Some Caution Advised HEAT STABILITY 1 = Above 400°F 2 = 350°F–400°F 3 = Below 350°F C = Some Caution Advised 1.844.4AVIENT www.avient.com Copyright © 2024, Avient Corporation.

Informacja o realizowanej strategii podatkowej Avient Colorants Poland Sp. z o.o. za rok podatkowy 2023 Spółka Avient Colorants Poland („Spółka”) NIP 7320000991 zgodnie z art. 27c ustawy o podatku dochodowym od osób prawnych (t.j. Avient Colorants Poland składa także na potrzeby transakcji wewnątrzwspólnotowych deklarację VAT-UE. Podatek od nieruchomości Właścicielem budynków i gruntów jest Avient Colorants Poland.

Avient acquired the Clariant Color business on July 1, 2020 (the “Acquisition Date”). To provide comparable financial results, the Company references “pro forma” financial metrics, which include the business results of Clariant Color for periods prior to the Acquisition Date. Financials are pro forma for the acquisition of Dyneema® and potential divestiture of Distribution Avient Specialty Formulators Other Specialty / Chemical Companies 45 Source: Peer data per Bloomberg market data as of April 21, 2022 Total Enterprise Value / NTM EBITDA With the Dyneema and Clariant Color business acquisition and divestment of the PP&S business, along with the proposed sale of our Distribution business, our exposure is now concentrated in less-cyclical and high-growth markets.

AT 20-19 1 Avis Technique – Tri Détectabilité et tri de la solution colorante AVIENT CORPORATION / CESA® IR PP 94000725 dans les centres de tri D E S C R IP TI O N D E L A D E M A N D E GENERALITES Demandeur Avient Corporation Date de la demande 2020 Référence de la solution colorante CESA® IR PP 94000725 Limite max de concentration de la solution colorante 4% DESCRIPTION DE LA SOLUTION COLORANTE Couleur Noire Solution colorante adaptée pour : Emballages rigides en PP OBJET DE LA DEMANDE Etude de la détectabilité dans les centres de tri français de la solution colorante noire CESA® IR PP 94000725 proposée par Avient Corporation et utilisée pour colorer des emballages rigides en PP. CONCLUSIONS TECHNIQUES Compte tenu des éléments transmis au COTREP, et au vu des résultats présents dans les rapports de tests des Fabricants d’équipement de Tri Optique (T.O.), la solution colorante noire CESA® IR PP 94000725 de Avient Corporation utilisée pour colorer des emballages rigides en PP est détectable par tri optique dans des conditions représentatives des technologies utilisées dans les centres de tri d’emballages ménagers français. La solution colorante noire CESA® IR PP 94000725 de Avient Corporation utilisée pour colorer des emballages rigides en PP est une alternative aux solutions colorantes non détectables.

AT 20-18 1 Avis Technique – Tri Détectabilité et tri de la solution colorante AVIENT CORPORATION / CESA® IR PE 94000816 dans les centres de tri D E S C R IP TI O N D E L A D E M A N D E GENERALITES Demandeur Avient Corporation Date de la demande 2020 Référence de la solution colorante CESA® IR PE 94000816 Limite max de concentration de la solution colorante 4% DESCRIPTION DE LA SOLUTION COLORANTE Couleur Noire Solution colorante adaptée pour : Emballages rigides en PE OBJET DE LA DEMANDE Etude de la détectabilité dans les centres de tri français de la solution colorante noire CESA® IR PE 94000816 proposée par Avient Corporation et utilisée pour colorer des emballages rigides en PE. CONCLUSIONS TECHNIQUES Compte tenu des éléments transmis au COTREP, et au vu des résultats présents dans les rapports de tests des Fabricants d’équipement de Tri Optique (T.O.), la solution colorante noire CESA® IR PE 94000816 de Avient Corporation utilisée pour colorer des emballages rigides en PE est détectable par tri optique dans des conditions représentatives des technologies utilisées dans les centres de tri d’emballages ménagers français. La solution colorante noire CESA® IR PE 94000816 de Avient Corporation utilisée pour colorer des emballages rigides en PE est une alternative aux solutions colorantes non détectables.

AT 20-17 1 Avis Technique – Tri Détectabilité et tri de la solution colorante AVIENT CORPORATION / CESA® IR PE 94000828 les centres de tri D E S C R IP TI O N D E L A D E M A N D E GENERALITES Demandeur Avient Corporation Date de la demande 2020 Référence de la solution colorante CESA® IR PE 94000828 Limite max de concentration de la solution colorante 4% DESCRIPTION DE LA SOLUTION COLORANTE Couleur Noire Solution colorante adaptée pour : Emballages rigides en PE OBJET DE LA DEMANDE Etude de la détectabilité dans les centres de tri français de la solution colorante CESA® IR PE 94000828 proposée par Avient Corporation et utilisée pour colorer des emballages rigides en PE. CONCLUSIONS TECHNIQUES Compte tenu des éléments transmis au COTREP, et au vu des résultats présents dans les rapports de tests des Fabricants d’équipement de Tri Optique (T.O.), la solution colorante noire CESA® IR PE 94000828 de Avient Corporation utilisée pour colorer des emballages rigides en PE est détectable par tri optique dans des conditions représentatives des technologies utilisées dans les centres de tri d’emballages ménagers français. La solution colorante noire CESA® IR PE 94000828 de Avient Corporation utilisée pour colorer des emballages rigides en PE est une alternative aux solutions colorantes non détectables.