Exercise or Base Price of Option Awards (column (i)) Grant Date Fair Value of Stock and Option Awards (column (j)) Narrative Disclosure Relating to the 2018 Summary Compensation Table and the 2018 Grants of Plan-Based Awards Table Outstanding Equity Awards at 2018 Fiscal Year-End Exercise Price Expiration Date Market Value of Shares or Units of Stock That Have Not Vested Equity Incentive Plan Awards: Market or Payout Value of Unearned Shares, Units or Other Rights that Have Not Vested (j) Stock Awards Equity Incentive Plan Awards: Number of Securities Underlying Unearned Options Equity Incentive Plan Awards: Number of Unearned Shares, Units or Other Rights that Have Not Vested (i) Number of Shares or Units of Stock That Have Not Vested Number of Underlying Unexercised Options (#) Unexercisable Number of Securities Underlying Options (#) Exercisable Option Awards Number of Securities Underlying Unexercised Options (#) Exercisable (column (b)) Number of Securities Underlying Unexercised Options (#) Unexercisable (column (c)) Equity Incentive Plan Awards: Number of Securities Underlying Unexercised Unearned Options (column (d)) Option Exercise Price (column (e)) Option Expiration Date (column (f)) Number of Shares or Units of Stock That Have Not Vested (column (g)) Market Value of Shares or Units of Stock That Have Not Vested (column (h)) Equity Incentive Plan Awards: Number of Unearned Shares, Units or Other Rights That Have Not Vested (column (i)) Equity Incentive Plan Awards: Market or Payout Value of Unearned Shares, Units or Other Rights That Have Not Vested (column (j)) 2018 Option Exercises and Stock Vested Option Awards Stock Awards Acquired on Exercise Value Realized on Exercise Acquired on Vesting Value Realized on Vesting Option Awards (columns (b) and (c)) Stock Awards (columns (d) and (e)) 2018 Nonqualified Deferred Compensation Aggregate Executive Registrant Aggregate Aggregate Aggregate Balance at Contributions Contributions Earnings Withdrawals/ Balance at in Last FY in Last FY in Last FY Distributions Last FYE (1) ($)(2) ($)(3) ($)(4) ($) ($)(1)(5) Potential Payments Upon Termination or Change of Control Summary of Potential Payments Management Continuity Agreements Executive Severance Plan Annual Plan Long-Term Incentive Awards Retirement Benefits Payments and Benefits Upon Termination — As of the End of Fiscal Year 2018 CEO Pay Ratio Disclosure CEO Annual Total Compensation for 2018: $6,127,920 Median Employee Annual Total Compensation for 2018: $48,056 Ratio of CEO to Median Employee Annual Total Compensation for 2018: 128:1 How the Median Employee was Determined in 2017 Compensation Committee Interlocks and Insider Participation Policy on Related Person Transactions Risk Assessment of the Compensation Programs Compensation Committee Report The Compensation Committee of the Board of Directors MISCELLANEOUS MISCELLANEOUS PROVISIONS Voting at the Meeting not Shareholder Proposals MISCELLANEOUS Proxy Solicitation We will furnish without charge to each person from whom a proxy is being solicited, upon written request of any such person, a copy of the Annual Report on Form 10-K of the Company for the fiscal year ending December 31, 2018, as filed with the SEC, including the financial statements and schedules thereto. Kunkle APPENDIX A Year Ended Year Ended December 31, 2018 December 31, 2017 Reconciliation to Condensed Consolidated Statements of Income $ EPS $ EPS Year Ended Year Ended December 31, 2016 December 31, 2015 Reconciliation to Condensed Consolidated Statements of Income $ EPS $ EPS Year Ended December 31, 2014 Reconciliation to Condensed Consolidated Statements of Income $ EPS Year Ended December 31, Reconciliation to Consolidated Statements of Income 2018 2017 As of December 31, 2018 Table Of Contents Message From Our CEO Notice Of 2019 Annual Meeting Of Shareholders Proxy Summary Proxy Statement Proposal 1-Election Of Board Of Directors Proposal 2-Advisory Vote To Approve Named Executive Officer Compensation Proposal 3-Ratification Of Appointment Of Independent Registered Public Accounting Firm Corporate Governance 2018 Non-employee Director Compensation Ownership Of Polyone Shares Compensation Discussion And Analysis Executive Summary Executive Compensation Philosophy And Objectives What We Pay And Why: Elements Of Compensation Other Aspects Of Our Compensation Programs Executive Compensation 2018 Summary Compensation Table 2018 Grants Of Plan-Based Awards Outstanding Equity Awards At 2018 Fiscal Year-End 2018 Option Exercises And Stock Vested 2018 Nonqualified Deferred Compensation Potential Payments Upon Termination Or Change Of Control CEO Pay Ratio Disclosure Compensation Committee Interlocks And Insider Participation Policy On Related Person Transactions Risk Assessment Of The Compensation Programs Compensation Committee Report Miscellaneous Provisions Appendix A

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 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) 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) 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) 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?

SC-2015 V NAT Certificate of Analysis (COA) - labeled as "Material"

Geon(TM) HC MM483A LUNG PINK 2015 TYPE Certificate of Analysis (COA) - labeled as "Material"

MM483 LD RAM 2015 TYPE Certificate of Analysis (COA) - labeled as "Material"

MM483 LD RAM 2015 TYPE (NCS color) Certificate of Analysis (COA) - labeled as "Material"

PINK CARCAL 2015 Certificate of Analysis (COA) - labeled as "Material"

MM493 LD RAM 2015 TYPE (NCS color) Certificate of Analysis (COA) - labeled as "Material"

Geon(TM) HC GLIDE MM538 LD RAM (2015 TYPE) Certificate of Analysis (COA) - labeled as "Material"

MM483A LD RAM 2015 TYPE Certificate of Analysis (COA) - labeled as "Material"