AVIENT SOLUTION SUSTAINABILITY + AESTHETICS LEARN MORE Avient Corporation 1 https://www.avient.com/products/polymer-colorants/high-temperature-color-concentrates/colorant-chromatics-metallic-effect-pre-colored-sulfone-colorants Slide 1: Aviation COMPONENTs manufacturer

Runners 1. Venting 1. Draft Angle 1.

Pro Forma Financial Information The Company acquired Avient Protective Materials (“Dyneema”) on September 1, 2022 (the “Acquisition Date”) and sold the Distribution segment on November 1, 2022. Purchase price multiple rapidly declining on strength of business and synergy capture 7 $133 $201 2019PF 2022E 7 Clariant Color EBITDA Growth Purchase Price Multiple 10.8x 7.0x 6.4x 2019PF 2021 2022E w/ Full Synergies (1) (1) 11.9% 16.3% 2019PF 2022E EBITDA Margins (1) CLARIANT COLOR: TRANSFORMATIONAL ACQUISITION ($ in millions) (1) Financial information is pro forma to include a full year of Clariant Color business SUNBELT PVC Resins DSS 20 Acquisitions $4.8B Investment $2.7B of Annual Revenue 5 Divestments $2.3B Proceeds TPE PP&S HISTORI C SPECI AL IZATION THROUGH M& A 8 Distribution DSM Protective Materials BOLT-ON AC QUI SITI ON HISTORY 9 Commercial Resources Operating Income ($ in millions) Operating Margins 259 363 At Acquisition 2022E $40 $139 At Acquisition 2022E 9% 22% At Acquisition 2022E Established Acquisitions (> 7 years) + 40% + 248% + 1300 bps I N V E S T T O G R O W S P E C I A LT Y T R A N SF O R M ATI O N T O D A Y 7% 46% 67% 86% 100% 0% 20% 40% 60% 80% 100% 2005 2010 2019 2021 2022 PF % o f A d ju st e d E B IT D A • Commodity JVs • Distribution • Performance Products & Solutions • Specialty Businesses (1) Adjusted EBITDA is EBITDA excluding corporate costs and special items (2) Pro forma for the acquisition of Dyneema® and divestiture of Distribution (1 ) (2) 10 Healthcare 4% Packaging 8% Consumer 10% Building & Construction 43% Industrial 15% Transportation 14% Energy 4% Telecom. 2% 2006 2022 Pro Forma Healthcare 8% Packaging 23% Consumer 21% Building & Construction 10% Industrial 15% Transportation 9% Energy 4% Telecom. 4% Defense 6% END MAR KET F OCUS ON LESS CYCL IC AL I ND USTRI ES 11 14.8% 17.6% 21.0% 2018 2020 2022 PF 1.8% 2006 15.3% 16.2% 17.0% 2018PF 2020PF 2022E CAI 2.7% 2006 SEM SPEC IA LTY EBI TDA MA RGI N EX PANSION 12 • Portfolio transformation accelerates growth in less cyclical, higher margin end markets • Investments in our composites platform continue to drive margin expansion (1) (1) (1) 2018 and 2020 financial information is pro forma to include a full year of Clariant Color acquisition PORTFOLIO EVOLUTION OVER THE YEARS 13 Adj. The Q3 2022 "Pro Forma APM" adjustments reflect periods prior to the acquisition date and are preliminary estimates for APM’s results for the months of July and August. 2 Reconciliation of Avient consolidated pro forma EBITDA Q3 2022 Q3 2021 Avient(1) Pro forma APM(1) Pro forma Avient Avient Pro forma APM Pro forma Avient Net income from continuing operations (27.8) 3.9 (23.9) 33.4 0.3 33.7 Income tax expense (1.2) 0.6 (0.6) 2.0 2.5 4.5 Interest expense 37.3 1.8 39.1 19.0 11.2 30.2 Depreciation and amortization 39.8 10.9 50.7 36.6 18.4 55.0 EBITDA 48.1 17.2 65.3 91.0 32.4 123.4 Special items, before tax 82.0 — 82.0 19.9 — 19.9 Interest expense included in special items (10.0) — (10.0) — — — Depreciation included in special items (0.8) — (0.8) (0.9) — (0.9) Adjusted EBITDA $ 119.3 $ 17.2 $ 136.5 $ 110.0 $ 32.4 $ 142.4 (1) - Q3 2022 Avient results reflect one month of APM’s results while owned by Avient, as the acquisition closed on September 1, 2022.

POLYONE CORPORATION 1 ITEM 1. Tianjin, China 1. Committees: 1, 2 COMMITTEES 1.

www.polyone.com Specialty Inks Global Headquarters and Manufacturing Plant 8155 Cobb Center Drive Kennesaw, GA 30152 Phone: +1 800.326.0226 Wilflex Warehouse Knowsley, Merseyside, L34 9GT Unity Grove, Knowsley Business Park Phone: +44 151 547 3800 Rutland Manufacturing Plant 10021 Rodney Street Pineville, NC 28134 Phone: +1 704.553.0044 Toll Free: +1 800.438.5134 Union Ink Manufacturing Plant 10021 Rodney Street Pineville, NC 28134 Phone: +1 704.553.0046 Toll Free: +1 800.438.5134 QCM Manufacturing Plant 10021 Rodney Street Pineville, NC 28134 Phone: +1 704.553.0046 Toll Free: +1 800.438.5134 Printop Manufacturing Plant Sociedad Química Alemana S.A. Revolución 842, Zona Industrial Ventanilla - Callao, Lima - Perú Phone: +51.1.613.4242 Rutland/Union Ohio Service Center 777-M-N Dearborn Park Lane Worthington, OH 43085 Phone: +1 614.846.3055 Rutland/Union Warehouse 28 Eldon Way Paddock Wood Kent TN12 6BE UK Phone: +44.0.1892.834.555 Rutland/Union/Wilflex Manufacturing Plant No. 1 QiHang Industrial Park HaoXiang Road, Shajing Town, BaoAn District Shenzhen, China, 518104 Phone: +86.755.2969.2888 Specialty Inks

Petrem Elšíkem, notářem se sídlem v Litoměřicích, na místě samém v sídle PRK Partners s.r.o. advokátní kancelář, na adrese Jáchymova 26/2, Staré Město, 110 00 Praha 1, dle § 80a a násl. notářského řádu o ---------------------------------------------------------------------------------------------------------------------- r o z h o d n u t í valné hromady společnosti PolyOne ČR, s.r.o., identifikační číslo 26689537, sídlem Pobřežní 620/3, Karlín, 186 00 Praha 8, spisová značka C 87503 vedená u Městského soudu v Praze (dále též „Společnost“), o změně obsahu společenské smlouvy (dále též „Rozhodnutí“), konané dne 21.10.2021 v budově na adrese Jáchymova 26/2, Staré Město, 110 00 Praha 1. ------------------ I. 1. Kateřina Hájková, LL.M., datum narození 03.06.1982, adresa místa pobytu Křižíkova 220/91, Karlín, 186 00 Praha 8, advokáta, evidenční číslo ČAK 13682, spolupracujícího s PRK Partners s.r.o., advokátní kancelář, IČO 266 92 392, se sídlem Jáchymova 26/2, Staré Město, 110 00 Praha 1 (dále též „Předsedající“). Valná hromada Společnosti svým usnesením přijala toto --------------------------------------- r o z h o d n u t í o změně obsahu společenské smlouvy: a)Společenská smlouva Společnosti se mění tak, že v článku prvním „Obchodní firma, založení, vznik a právní forma společnosti“ odst. 1. a 2. nově zní takto: ---------------------- 1.

All Rights Reserved 2025 7 Strategic approach to drive sustainable growth Avient sales growth Catalyze the core GROW BUSINESS AT GDP + 1. All Rights Reserved 2025 8 Strategic approach to drive sustainable growth Avient sales growth Build new platforms of scale GROW BUSINESS AT 10% PLUS CAGR 1. All Rights Reserved 2025 Color, Additives & Inks E N D M A R K E T S R E G I O N S 34% 21% 15% 11% 9% 8% Packaging Telecom 1%Energy 1% Transportation Industrial Consumer 34% 37% 20% 9% US & Canada Latin America Asia Europe, Middle East and Africa Healthcare Building & Construction 25Copyright © .

D_21_851633 Page 1 / 5 EXTRAIT Avient S.à r.l. Forme juridique Société à responsabilité limitée Siège social Numéro 19 Rue Route de Bastogne Code postal 9638 Localité Pommerloch Pays Luxembourg Parts détenues Nombre 131 000 Administrateur(s) / Gérant(s) Régime de signature statutaire Sous réserve de la Loi Luxembourgeoise et des présents Statuts, la Société est valablement engagée ou représentée à l'égard des tiers par : 10.1 si la Société a un Gérant Unique, la seule signature du Gérant Unique; 10.2 si la Société a plus d'un (1) Gérant, la signature unique de tout Gérant, à condition cependant que si des catégories différentes de Gérants (à savoir Gérant de catégorie A et Gérant de catégorie B) sont nommés, également la signature unique de tout Gérant (y compris par le biais de la représentation); 10.3 la signature unique de toute personne à qui un tel pouvoir aura été délégué conformément à l'Article 11. Kennedy Code postal 1855 Localité Luxembourg Pays Luxembourg Type de mandat Réviseur d'entreprises agréé Durée du mandat Date de nomination 01/07/2021 Durée du mandat Déterminée Date d'expiration du mandat 01/07/2024 Page 5 / 5 B226205 Pour extrait conforme [3] Luxembourg, le 16/11/2021 Pour le gestionnaire du registre de commerce et des sociétés [4] [1] Information mise à jour mensuellement sur base de l'article 12§3 de la loi modifiée du 19 décembre 2002 concernant le registre de commerce et des sociétés ainsi que la comptabilité et les comptes annuels des entreprises

Version / Date: 1 (no adjustments) / 30.12.2024 Page 1 of 2 ISCC PLUS Certificate Certificate Number: ISCC-PLUS-Cert-PL214-26100824 Bureau Veritas Polska Sp. z o.o. Version / Date: 1 (no adjustments) / 30.12.2024 Page 2 of 2 Annex I to the certificate: Sustainable materials handled by the certified site (This annex is applicable for all scopes except of Trader, Trader with storage, Warehouse, Logistic centres, MTBE and ETBE) This annex is only valid in connection with the certificate: ISCC-PLUS-Cert-PL214-26100824 issued on 30.12.2024 Input material Output material Add-ons (voluntary)1) Raw material category2) SAI FSA3) FEFAC4) Polypropylene (PP) Plastic Compounds (PP) NO Bio Bio-circular Circular N/A N/A Polyethylene (PE) Plastic Compounds (PE) NO Bio Bio-circular Circular N/A N/A 1) ISCC PLUS add-ons (voluntary application, see www.iscc-system.org for further information): • 202-04: Food Security Standard • 205-02: Consumables • 202-07: Low ILUC-risk feedstock • 205-03: Non GMO for food and feed • 205-01: GHG emission requirements • 205-04: Non GMO for technical markets 2) Bio raw materials complies with the ISCC Principles 1 – 6 for the cultivation and harvesting of sustainable biomass.

The round located at the base of a rib should be 25% of nominal wall thickness, and all ribs should have a draft angle from 1/4°– 1° . FIGURE 11 - Non-Structural Hole Design Guidelines B = 2W = 2W = 2W FIGURE 12 - Non-structural hole design guidelines FIGURE 13 - Snap Fit Design Guidelines Y 1 y= ε=l2 1.5t1 1 y= ε=l2 K 1.5t12 “K” is found from graph based on t 2 /t 1 . For t 2 /t 1 = 1, K = 1.