Khandpur held a series of roles with increasing responsibility, including Executive Vice President, Transportation & Electronics business group, from 2019 to 2021; Executive Vice President, Electronics & Energy business group, from 2017 to 2019; and Senior Vice President, Research & Development and Chief Technology Officer, from 2014 to 2017, among other roles. Khandpur holds a Bachelor’s of Technology degree in Chemical Engineering from the Indian Institute of Technology, Delhi and a Ph.D in Chemical Engineering from the University of Minnesota.

Khandpur held a series of roles with increasing responsibility, including Executive Vice President, Transportation & Electronics business group, from 2019 to 2021; Executive Vice President, Electronics & Energy business group, from 2017 to 2019; and Senior Vice President, Research & Development and Chief Technology Officer, from 2014 to 2017, among other roles. Khandpur holds a Bachelor’s of Technology degree in Chemical Engineering from the Indian Institute of Technology, Delhi and a Ph.D in Chemical Engineering from the University of Minnesota.

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 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. Non-GAAP financial measures have limitations as analytical tools and should not be considered in isolation from, or solely as alternatives to, financial measures prepared in accordance with GAAP. 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 $ 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 Joint venture equity earnings, after tax (19.0) (14.7) (3.7) — — — — — — — — — — — Special items, before tax(1) (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 Special items, tax adjustments(1) (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) Adjusted net income from continuing operations attributable to PolyOne common shareholders $ 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).

26/11/2021 4Extract from Page 1from Company Name Crossroads Bank of Enterprises: 0314.595.348 FULL EXTRACT OF THE DETAILS OF A REGISTERED ENTITY (LEGAL PERSON) Name French Avient S.à r.l., Belgium Branch 08/11/2021 Registered seat Route de Bastogne 19 09/08/2018 9638 Pommerloch Luxembourg Website www.polyone.com Declarative 09/08/2018 Legal Situation Status Start Date End Date Normal situation Active 09/08/2018 Legal form Start Date End Date Foreign entity 09/08/2018 VAT activities Vesaliusstraat 31 - 1000 Brussels E: ol.brussel@xerius.be T: 02 609 62 30 26/11/2021 4Extract from Page 2from Functions Last Name, first Name Registered entity Start Date End DateReason for termination Representative (branch) Roels Jean-Marie 31/08/2018 Last Name, first Name Registered entity Start Date End DateReason for terminationEntrepreneurial skills - Ambulant commerce - Fairground operator 31/08/2018Non SME dispensation (Exemption) Characteristic Phase Duration Start Date End DateReason for termination Employer National Social Security Office Characteristic/authorisation 01/11/2018undetermined Subject to VAT Characteristic/authorisation 31/08/2018undetermined Enterprise subject to registration Characteristic/authorisation 01/11/2018undetermined General assembly End Date Financial Year Start Date Exceptional Year Start Date End DateEnd Date Exceptional Year Financial Details Share capital (Capital Stock) Currency Duration of the entity 12,000.00 EUR June 31/12 09/08/2018 Use Bank account number Start Date End DateBank account number Bank Accounts BIC For all purposes 685 8477013 57 31/08/2018BE09685847701357BOFABE3X External Identifiers NSSO number 143954886 Trade register number 19 0097620 There is no data available for the following sections: Authorisations, Working partners :, Ex-officio striking off, Links between registered entities List of branches Branch - Center of operations Rue Melville Wilson 2 09/08/2018 België 26/11/2021 4Extract from Page 3from Establishment unit number 2.278.618.585 Trade name French Avient S.à r.l., Belgium Branch 08/11/2021 Rue Melville Wilson 2 31/08/2018 België Website www.polyone.com Declarative 31/08/2018 31/08/2018Start date establishment unit End date establishment unit Start date link between entities End date link between entities 31/08/2018 Activities Wholesale trade of industrial chemicals: aniline, printing ink, essential oils, industrial gases, chemical glues, dyes, synthetic resin, methanol, paraffin, etc. Main activity 31/08/201820084675101 Registered entity Legal Situation Normal situation 26/11/2021 4Extract from Page 4from Document issued in accordance with Article III.34, §1 of the Code of Economic Law The legal terms were translated literally. It is therefore necessary to refer to the Belgian legislation in force in order to determine their scope. 26/11/2021 2Extract from Page 1from EXTRACT OF THE ESTABLISHMENT UNIT DETAILS Crossroads Bank of Enterprises: 0314.595.348 Establishment unit number 2.278.618.585 Trade name French Avient S.à r.l., Belgium Branch 08/11/2021 Rue Melville Wilson 2 31/08/2018 Belgium Website www.polyone.com Declarative 31/08/2018 31/08/2018Start date establishment unit End date establishment unit Start date link between entities End date link between entities 31/08/2018 Registered entity Legal Situation Normal situation Vesaliusstraat 31 - 1000 Brussels E: ol.brussel@xerius.be T: 02 609 62 30 26/11/2021 2Extract from Page 2from Activities Wholesale trade of industrial chemicals: aniline, printing ink, essential oils, industrial gases, chemical glues, dyes, synthetic resin, methanol, paraffin, etc.

Our policy is to conduct business in a manner that complies with regulatory and other requirements while warranting the safety and health of our associates, customers, contractors, suppliers, and the communities in which we operate.

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.

Our policy is to conduct business in a manner that complies with regulatory and other requirements while warranting the safety and health of our associates, customers, contractors, suppliers, and the communities in which we operate.

name change effective from 17/05/2021) :Company Name 201916958NUEN : This is to confirm that the company was incorporated under the Companies Act, on and from 27/05/2019 and that the company is a PRIVATE COMPANY LIMITED BY SHARES. The company was formerly known as: S/N Company Name Effective From 1.

Produktrecept och processteknologier • Att vara engagerad i en produkt • Affärshemligheter, teknologier och ”know how” • Information om vår konkurrensposition • Opublicerad finansiell information och förutsägelser • Information om produktkostnader • Information om föreslagna kontrakt och transaktioner • Kund-, leverantörs-, prissättnings- och annan affärsinformation • Programvara och system utvecklade för våra affärer • All annan information som skulle kunna vara användbar för en konkurrent 14 Fråga: Min manager är på semester, och i hennes frånvaro har jag blivit ombedd att skriva på ett kontrakt å bolagets vägnar. Immateriella rättigheter, inklusive patent, varumärken, copyrights, affärshemligheter och know-how, måste planeras och hanteras med samma nivå av omsorg som varje annan värdefull tillgång.

Vezměte na vědomí, že pokud předložíte nepatřičné nebo nedostatečně zdokumentované výdaje, bude podniknuto příslušné disciplinární řízení, které může vést až k ukončení pracovního poměru. 13 Některé příklady firemních záznamů: • Vývoj nových produktů • Výsledky testů • Laboratorní zprávy • Údaje z výzkumů • Finanční výkazy • Vyúčtování výdajů • Faktury • Hodinovníky • Záznamy o personálu • Pracovní plány • Dopisy, zpravodaje a e-mailové adresy spolupracovníků • Informace publikované v The Loop Vlastnické a důvěrné informace zahrnují: • Pracovní plány a strategie směrování • Údaje z výzkumů a technická data • Složení výrobků a technologie zpracování • Řízení výrobků • Obchodní tajemství, technologie a „know-how“ • Informace o naší konkurenceschopné pozici • Nepublikované finanční údaje a plány • Informace o nákladech na výrobky • Informace o navrhovaných smlouvách a transakcích • Informace o zákaznících, dodavatelích, cenách a jiné obchodní informace • Počítačový software a systémy vyvinuté pro naši společnost • Jakékoliv jiné informace, které by mohly být užitečné pro konkurenci 14 Otázka: Moje vedoucí je na dovolené a v době její nepřítomnosti jsem byla požádána, abych jménem společnosti podepsala smlouvu Vím, že to je důležitá smlouva a všichni chtějí, aby byla rychle uzavřená. Práva na duševní vlastnictví, včetně patentů, ochranných známek, autorských práv, obchodních tajemství a know-how, musí být naplánovány a spravovány se stejnou úrovní péče jako ostatní cenná aktiva.