Longer sprues may require more taper (3° - 5°), as shown in Figure 1. 1, 2 and 4 If possible, utilize a system or component supplier with experience in styrenic TPEs.

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No. 0562.01) 11/30/2023 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 AVIENT CORPORATION 733 East Water Street North Baltimore, OH 45872 Claire Holman Phone: (419) 257-1327 MECHANICAL Valid To: October 31, 2025 Certificate Number: 0562.01 In recognition of the successful completion of the A2LA evaluation process, accreditation is granted to this laboratory to perform the following automotive plastics tests: Test Method: Test Name: ASTM D412 Tensile ASTM D523 Specular Gloss ASTM D618 (A) Conditioning of Plastics ASTM D624 (Die C) Tear Strength ASTM D638 Tensile Properties ASTM D792 (A) Density and Specific Gravity by Displacement ASTM D1004 Initial Tear Resistance ASTM D1203 (A) Volatile Loss ASTM D1895 (A) Apparent Density, Bulk Factor, Pourability ASTM D1921 Particle Size (Sieve Analysis) ASTM D2240 Durometer Hardness (Shore A and D) ASTM E1331 Color by Spectrophotometry Using Hemispherical Geometry FMVSS 571.302 Flammability FORD BN-102-01 (A) Low Temperature Flexibility FORD BO-131-03 Interior Odor ISO 3795 Determination of Burning Behavior of Interior Materials SAE J323 (A) Cold Cracking (Mandrel Bend) SAE J1351 Hot Odor for Insulation Materials SAE J1545 Instrumental Color Difference Measurement DOC-058151 Angle of Repose 1 Laboratory Developed Method For the tests to which this accreditation applies, please refer to the laboratory’s Mechanical Scope of Accreditation. Accredited Laboratory A2LA has accredited AVIENT CORPORATION North Baltimore, OH for technical competence in the field of Mechanical Testing This laboratory is accredited in accordance with the recognized International Standard ISO/IEC 17025:2017 General requirements for the competence of testing and calibration laboratories.

Microsoft PowerPoint - PolyOne Investor Presentation 5.4.20_v8 • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • P E O P LE P RO D U CT S P LA N E T P E RF O R MAN C E •• •• •• JVs Performance Products & Solutions Distribution Specialty     To be the world’s premier provider of specialized polymer materials, services and solutions To be the world’s premier provider of specialized polymer materials, services and sustainable solutions • • • • • • • • • • • • • • 2016 2017 2018 2019 Lightweighting Reduced Material Requirements Improved Recyclability Renewable Energy Applications Eco-conscious Bio-derived Content Reduced Energy Use VOC Reduction $275M $325M $355M $410M 14% Total Annual Growth 9% Organic Annual Growth PolyOne Corporation 33 Adjusted EPS attributable to PolyOne common shareholders is calculated as follows: 2009* 2010* 2011* 2012* 2013* 2014* 2015* 2016** 2017** 2018 2018*** Q1 2019*** 2019 Q1 2020 Net income from continuing operations attributable to PolyOne common shareholders Joint venture equity earnings, after tax Special items, before tax(1) Special items, tax adjustments(1) Adjusted net income from continuing operations attributable to PolyOne common shareholders $ 106.7 $ 152.5 $ 153.4 $ 53.3 $ 94.0 $ 78.0 $ 144.6 $ 166.4 $ 173.5 $ 161.1 $ 87.7 $ 22.4 $ 75.5 $ 33.1 (19.0) (14.7) (3.7) — — — — — — — — — — — (48.7) 24.2 (48.1) 55.1 46.3 164.2 87.6 23.8 32.9 59.5 58.7 12.2 61.7 9.6 (27.2) (96.7) (24.7) (18.9) (13.7) (73.7) (58.7) (15.9) (24.8) (25.3) (25.1) (1.2) (5.9) (1.0) $ 11.8 $ 65.3 $ 76.9 $ 89.5 $ 126.6 $ 168.5 $ 173.5 $ 174.3 $ 181.6 $ 195.3 $ 121.3 $ 33.4 $ 131.3 $ 41.7 Diluted shares 93.4 96.0 94.3 89.8 96.5 93.5 88.7 84.6 82.1 80.4 80.4 78.2 77.7 86.7 Adjusted EPS attributable to PolyOne common shareholders $ 0.13 $ 0.68 $ 0.82 $ 1.00 $ 1.31 $ 1.80 $ 1.96 $ 2.06 $ 2.21 $ 2.43 $ 1.51 $ 0.43 $ 1.69 $ 0.48 * Historical results are shown as presented in prior filings and have not been updated to reflect subsequent changes in accounting principle, discontinued operations or the related resegmentation. ** Pro forma for sale of Designed Structures and Solutions segment (DSS). *** Pro forma for sale of Performance Products and Solutions segment (PP&S). Reconciliation to Adjusted EPS Excluding Special Items and Impacts of February 2020 Equity Offering Three MonthsEnded March 31, 2020 Net income from continuing operations – GAAP $ 33.1 Special items, after tax(1) 8.6 After tax interest income earned on equity proceeds, included in Interest expense, net (0.7) Adjusted net income excluding special items and impact of interest income on equity proceeds $ 41.0 Diluted weighted-average shares used to compute earnings per common share 86.7 Weighted-average impact of 15.3 million shares issued in February 2020 equity offering (9.3) Diluted weighted-average shares excluding impact of shares issued in February 2020 equity offering 77.4 Adjusted EPS - excluding special items and the net impact of equity offering $ 0.53 Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to PolyOne shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to PolyOne shareholders, excluding special items, to assess performance and facilitate comparability of results.

Copyright © 2022, Avient Corporation. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. Avient is committed to the needs of our healthcare customers.

Bourg-en-Bresse - 22/12/2021 - 10:38:15 page 1/2 Extrait Kbis EXTRAIT D'IMMATRICULATION PRINCIPALE AU REGISTRE DU COMMERCE ET DES SOCIETES à jour au 21 décembre 2021 Code de vérification : iWCDBNXrir https://www.infogreffe.fr/controle IDENTIFICATION DE LA PERSONNE MORALE Immatriculation au RCS, numéro 842 455 487 R.C.S. Bourg-en-Bresse Date d'immatriculation 18/09/2018 Dénomination ou raison sociale Avient Sàrl Forme juridique Société à responsabilité limitée d'un Etat membre de la CE ou partie à l'accord sur l'Espace économique européen Capital social 12 000,00 Euros Pays, lieu et numéro d'immatriculation B226205 Registre de commerce et des sociétés Adresse du siège 19 route de Bastogne 9638 Pommerloch (LUXEMBOURG) Activités principales Vente de produits en matière plastique ou à base de matières plastiques. achat, vente, importation et négoce en général de tous produits en matières plastiques ou à base de matières plastiques Durée de la personne morale Durée illimitée Date de clôture de l'exercice social 31 décembre GESTION, DIRECTION, ADMINISTRATION, CONTROLE, ASSOCIES OU MEMBRES Dirigeant à l'étranger d'une personne morale étrangère Nom, prénoms POTOCZNY Zaneta Gabriela Date et lieu de naissance Le 17/10/1974 à JAWORZNO (POLOGNE) Nationalité Polonaise Domicile personnel 65 rue de Colmar berg L-7525 MERSCH (LUXEMBOURG) Dirigeant à l'étranger d'une personne morale étrangère Nom, prénoms PALM Christophe Date et lieu de naissance Le 16/05/1963 à Eupen (BELGIQUE) Nationalité Belge Domicile personnel Gruss Strooss 35 Apartement 21 9991 Weiswarnpach (LUXEMBOURG) Dirigeant à l'étranger d'une personne morale étrangère Nom, prénoms KRONIMUS Holger Hans Date et lieu de naissance Le 26/01/1968 à Vallendar (ALLEMAGNE) Nationalité Allemande Domicile personnel Schulstrasse 4 56206 Hilgert (ALLEMAGNE) Dirigeant à l'étranger d'une personne morale étrangère Nom, prénoms MERKLEIN Nobert Date et lieu de naissance Le 03/05/1964 à KELHEIM (ALLEMAGNE) Nationalité Française Domicile personnel Schiffackerweg 2 4340 Rheinfelden (SUISSE) Responsable en France Nom, prénoms KIEN Eric René Date et lieu de naissance Le 09/07/1961 à Clermont-Ferrand (63) Nationalité Française Domicile personnel 705 Chemin de l'Arête 74290 Menthon-Saint-Bernard https://www.infogreffe.fr/controle https://www.infogreffe.fr/controle/verif? Bourg-en-Bresse - 22/12/2021 - 10:38:15 page 2/2 RENSEIGNEMENTS RELATIFS A L'ACTIVITE ET AU PREMIER ETABLISSEMENT IMMATRICULE EN FRANCE Adresse de l'établissement La Vavrette Route Nationale 75 Bp 26 01250 Tossiat Nom commercial AVIENT Activité(s) exercée(s) Vente de produits en matière plastique ou à base de matières plastiques. achat, vente, importation et négoce en général de tous produits en matières plastiques ou à base de matières plastiques Date de commencement d'activité 02/08/2018 Origine du fonds ou de l'activité Création Mode d'exploitation Exploitation directe Le Greffier FIN DE L'EXTRAIT

Copyright © 2022, Avient Corporation. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. Avient is committed to the needs of our healthcare customers.

Copyright © 2022, Avient Corporation. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. Avient is committed to the needs of our healthcare customers.

Copyright © 2022, Avient Corporation. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. Avient is committed to the needs of our healthcare customers.

Copyright © 2022, Avient Corporation. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. Avient is committed to the needs of our healthcare customers.