DATI ANAGRAFICI Indirizzo Sede legale 9638 POMMERLOCH 19 ROUTE DE BASTOGNE . A CUXK0XMKM92D910207D0 estratto dal Registro Imprese in data 01/12/2021 Indice 1 Sede 2 Informazioni da statuto/atto costitutivo 3 Trasferimenti d'azienda, fusioni, scissioni, subentri 4 Attività, albi ruoli e licenze 5 Sedi secondarie ed unita' locali 6 Aggiornamento impresa 1 Sede Indirizzo Sede legale 9638 POMMERLOCH 19 ROUTE DE BASTOGNE . Codice Fiscale 03669670121 Visura ordinaria societa' di capitale • di 8 10 ASSOCIAZIONI SINDACALI, COLLEGI ARBITRALI, UFFICI PROVINCIALI DEL LAVORO E SIMILI, COL POTERE DI NOMINARE AVVOCATI E PROCURATORI ALLE LITI, ELEGGERE DOMICILI, TRANSIGERE E CONCILIARE, RENDERE E DEFERIRE INTERROGATORI O GIURAMENTI; 2.

Belgium Branch 08/11/2021 Registered seat Address Start Date End Date Route de Bastogne 19 09/08/2018 9638 Pommerloch Luxembourg Additional address info Contact details Type Contact detail Characteristic Start Date End Date Website www.polyone.com Declarative 09/08/2018 General Information Start date entity End date entity 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 Activities Type Start Date End DateVersionNACEBEL VAT activities Wholesale trade of industrial chemical products Main activity 31/08/2018200846751 Activities NSSO Wholesale trade of industrial chemical products Main activity 01/11/2018200846751 (*) Classification of Activities (NACEBEL) has been amended on 1/1/2008. Company Number 0700.822.426 Company Name Avient S.à r.l., Belgium Branch Vesaliusstraat 31 - 1000 Brussels E: ol.brussel@xerius.be T: 02 609 62 30 Inne Tuyteleers Officer Xerius Enterprise Counter 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 acquired 01/11/2018undetermined Subject to VAT Characteristic/authorisation acquired 31/08/2018undetermined Enterprise subject to registration Characteristic/authorisation acquired 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 General Information Start date entity End date entity 09/08/2018 Address Start Date End Date Address Rue Melville Wilson 2 09/08/2018 5330 Assesse België Company Number 0700.822.426 Company Name Avient S.à r.l., Belgium Branch Inne Tuyteleers Officer Xerius Enterprise Counter 26/11/2021 4Extract from Page 3from Establishment unit number Name Situation on 2.278.618.585 Avient S.à r.l., Belgium Branch 26/11/2021 Name Type Language Name Start Date End Date Trade name French Avient S.à r.l., Belgium Branch 08/11/2021 Address Start Date End Date Address Rue Melville Wilson 2 31/08/2018 5330 Assesse België Additional address info Contact details Type Contact detail Characteristic Start Date End Date Website www.polyone.com Declarative 31/08/2018 General Information 31/08/2018Start date establishment unit End date establishment unit Start date link between entities End date link between entities 31/08/2018 Activities Type Start Date End DateVersionNACEBEL Activities Wholesale trade of industrial chemical products Main activity 31/08/2018200846751 Wholesale trade of industrial chemicals: aniline, printing ink, essential oils, industrial gases, chemical glues, dyes, synthetic resin, methanol, paraffin, etc.

Avient bu Hükümleri tanımayan bu ülkelerde gerekli olabilecek veri transferi sözleİmelerini de imzalamıİ veya bu Bildirime uygun olarak kiİisel bilgilerinizin transferi için izninizi almıİtır. İİ baİvuru profilinizi de silebilirsiniz. 9.

se sídlem 9638 Pommerloch, route de Bastogne 19, Lucemburské velkovévodství, registrační číslo B145542, zastoupený zmocněncem Mgr.

S&P 500 All time high of $39.55 May 13th, 2014 PolyOne Corporation Page 12 2006 Q1 2014 2015 “Where we were” “Where we are” Target 1) Operating Income % Specialty: Global Color, Additives & Inks 1.7% 13.8% 12 – 16% Global Specialty Engineered Materials 1.1% 11.6% 12 – 16% Designed Structures & Solutions -- 6.5% 8 – 10% Performance Products & Solutions 5.5% 7.7% 9 – 12% Distribution 2.6% 6.1% 6 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 64% 65 – 75% 3) ROIC* 5.0% 9.4% 15% 4) Adjusted EPS Growth N/A 42% Double Digit Expansion Proof of Performance & 2015 Goals *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period PolyOne Corporation Page 13 Bridge to $2.50 Adjusted EPS by 2015 2015 EPS: $2.50 2013 EPS: $1.31 Continued Gross Margin Expansion Mergers & Acquisitions Spartech Accretion Incremental Share Buybacks Ongoing LSS Programs (50-100 bps/yr) Accelerated Innovation & Mix Improvement Several Levers to Drive Growth Mid Single Digit Revenue CAGR PolyOne Corporation Page 14 Financial Highlights Bradley C. Richardson Executive Vice President, Chief Financial Officer PolyOne Corporation Page 15 Track Record of Accelerated Growth Total Revenue Adjusted EPS Adjusted EBITDA $2,061 $2,506 $2,709 $2,861 $3,771 2009 2010 2011 2012 2013 ($ in millions, except EPS ) $105 $179 $202 $255 $344 2009 2010 2011 2012 2013 $0.13 $0.68 $0.82 $1.00 $1.31 2009 2010 2011 2012 2013 PolyOne Corporation Page 16 $0.31 $0.44 $0.20 $0.30 $0.40 Q1 2013 Q1 2014 Adjusted EPS $42 $60 $20 $40 $60 Q1 2013 Q1 2014 Specialty Operating Income ($ millions) Q1 2014 Financial Highlights  Growth momentum accelerates driven by specialty platform  Specialty segments and Distribution achieve record results  All segments increase operating income compared to prior year  Revenue grew 25% versus Q1 2013 +43% +42% $57 $79 $30 $60 $90 Q1 2013 Q1 2014 Adjusted Operating Income ($ millions) +39% PolyOne Corporation Page 17 Commitment to Operational Excellence 81% 96% 2006 2013 16.2% 10.9% 2006 2013 On-Time Delivery Working Capital % of Sales 5.0% 31.0% 2006 2013 Percent of Associates Trained in LSS  Three consecutive years – CFO Magazine Best Working Capital Management Program in the chemical industry World’s Best Business Process Excellence Program in 2012*  95 certified Black Belts  211 certified Green Belts  422 Project Leaders World’s Best “Start-up Program” for Lean Six Sigma Deployment in 2009* *Both awards received from International Quality and Productivity Center PolyOne Corporation Page 18 Debt Maturities & Pension Funding – 3/31/14 Net Debt / EBITDA* = 1.9x $48 $317 $600 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2020 2023 Debt Maturities As of March 31, 2014 ($ millions) Coupon Rates: 7.500% 7.375% 5.250% *TTM 12/31/2013 ** includes US-qualified pension plans only 60% 100% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 2014 Pension Funding** As of March 31, 2014 PolyOne Corporation Page 19 Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return $0.16 $0.20 $0.24 $0.32 $0.10 $0.20 $0.30 $0.40 2011 2012 2013 2014 Annual Dividend  Expanding our sales, marketing, and technical capabilities  Targets that expand our: • Specialty offerings • End market presence • Geographic footprint • Operating Margin  Synergy opportunities  Adjacent material solutions  Repurchased 1.4 million shares in Q1 2014  Repurchased 6.4 million shares since April 2013  13.6 million shares are available for repurchase under the current authorization Organic Growth Acquisitions Share Repurchases Dividends  Investing in operational and LSS initiatives (including synergy capture)  Manufacturing alignment PolyOne Corporation Page 20 3.07 3.05 1.81 1.45 1.82 1.54 0.85 3.15 1.17 1.69 0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 4.00 0.91 PolyOne Valuation Aspirations PEG Ratio Comparison Represents $38 of share price upside Avg = 1.96 PolyOne Corporation Page 21 Innovating for the Future Dr. VP / President Performance Products & Solutions Industrial Sporting Goods Consumer Textiles 6) Color and De sign Se rv ice s Fernando Sanchez Director Global Marketing Packaging Healthcare Consumer Automotive 3) 3D Printing Cathy K.

All Rights Reserved 2025 3 Avient at a glance All Rights Reserved 2025 12 Disciplined capital allocation PRIORITIZATION AND PHILOSHOPY Capex Expected annual spend between 3-5% of revenue to support investment in organic growth M&A De-emphasized in near term; complement organic growth strategy with M&A over time, as needed 1 2 Dividends Increasing each year with underlying earnings growth 3 Debt pay down Target net debt to adjusted EBITDA less than 2.5x 4 Share repurchases Opportunistic buy backs 5 Copyright © . All Rights Reserved 2025 21 ADJ.

Remi de Napierville, Quebec, Canada 11. Remi de Napierville, Quebec, Canada 11. AF& 3 • Kennen und befolgen Sie den Kodex und alle Gesetze, Verordnungen und Richtlinien, die für Ihre Arbeit bei PolyOne gelten • Seien Sie in Ihrer Arbeit im Namen des Unternehmens stets ehrlich und professionell

Avient’in bilgilerini korumak üzere, müşteri ve çalışanlarına ait bilgiler de dahil olmak üzere, bilgilerin açıklanmaması, değiştirilmemesi, imha edilmemesi veya sağlandığı amaç dışındaki herhangi bir amaçla kullanılmaması için bir bilgi güvenliği ve veri gizliliği sistemi oluşturun.

S&P 500 All time high of $39.55 May 13th, 2014 PolyOne Corporation Page 12 2006 Q1 2014 2015 “Where we were” “Where we are” Target 1) Operating Income % Specialty: Global Color, Additives & Inks 1.7% 13.8% 12 – 16% Global Specialty Engineered Materials 1.1% 11.6% 12 – 16% Designed Structures & Solutions -- 6.5% 8 – 10% Performance Products & Solutions 5.5% 7.7% 9 – 12% Distribution 2.6% 6.1% 6 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 64% 65 – 75% 3) ROIC* 5.0% 9.4% 15% 4) Adjusted EPS Growth N/A 42% Double Digit Expansion Proof of Performance & 2015 Goals *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period PolyOne Corporation Page 13 Bridge to $2.50 Adjusted EPS by 2015 2015 EPS: $2.50 2013 EPS: $1.31 Continued Gross Margin Expansion Mergers & Acquisitions Spartech Accretion Incremental Share Buybacks Ongoing LSS Programs (50-100 bps/yr) Accelerated Innovation & Mix Improvement Several Levers to Drive Growth Mid Single Digit Revenue CAGR PolyOne Corporation Page 14 Financial Highlights Bradley C. Richardson Executive Vice President, Chief Financial Officer PolyOne Corporation Page 15 Track Record of Accelerated Growth Total Revenue Adjusted EPS Adjusted EBITDA $2,061 $2,506 $2,709 $2,861 $3,771 2009 2010 2011 2012 2013 ($ in millions, except EPS ) $105 $179 $202 $255 $344 2009 2010 2011 2012 2013 $0.13 $0.68 $0.82 $1.00 $1.31 2009 2010 2011 2012 2013 PolyOne Corporation Page 16 $0.31 $0.44 $0.20 $0.30 $0.40 Q1 2013 Q1 2014 Adjusted EPS $42 $60 $20 $40 $60 Q1 2013 Q1 2014 Specialty Operating Income ($ millions) Q1 2014 Financial Highlights  Growth momentum accelerates driven by specialty platform  Specialty segments and Distribution achieve record results  All segments increase operating income compared to prior year  Revenue grew 25% versus Q1 2013 +43% +42% $57 $79 $30 $60 $90 Q1 2013 Q1 2014 Adjusted Operating Income ($ millions) +39% PolyOne Corporation Page 17 Commitment to Operational Excellence 81% 96% 2006 2013 16.2% 10.9% 2006 2013 On-Time Delivery Working Capital % of Sales 5.0% 31.0% 2006 2013 Percent of Associates Trained in LSS  Three consecutive years – CFO Magazine Best Working Capital Management Program in the chemical industry World’s Best Business Process Excellence Program in 2012*  95 certified Black Belts  211 certified Green Belts  422 Project Leaders World’s Best “Start-up Program” for Lean Six Sigma Deployment in 2009* *Both awards received from International Quality and Productivity Center PolyOne Corporation Page 18 Debt Maturities & Pension Funding – 3/31/14 Net Debt / EBITDA* = 1.9x $48 $317 $600 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2020 2023 Debt Maturities As of March 31, 2014 ($ millions) Coupon Rates: 7.500% 7.375% 5.250% *TTM 12/31/2013 ** includes US-qualified pension plans only 60% 100% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 2014 Pension Funding** As of March 31, 2014 PolyOne Corporation Page 19 Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return $0.16 $0.20 $0.24 $0.32 $0.10 $0.20 $0.30 $0.40 2011 2012 2013 2014 Annual Dividend  Expanding our sales, marketing, and technical capabilities  Targets that expand our: • Specialty offerings • End market presence • Geographic footprint • Operating Margin  Synergy opportunities  Adjacent material solutions  Repurchased 1.4 million shares in Q1 2014  Repurchased 6.4 million shares since April 2013  13.6 million shares are available for repurchase under the current authorization Organic Growth Acquisitions Share Repurchases Dividends  Investing in operational and LSS initiatives (including synergy capture)  Manufacturing alignment PolyOne Corporation Page 20 3.07 3.05 1.81 1.45 1.82 1.54 0.85 3.15 1.17 1.69 0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 4.00 0.91 PolyOne Valuation Aspirations PEG Ratio Comparison Represents $38 of share price upside Avg = 1.96 PolyOne Corporation Page 21 Innovating for the Future Dr. VP / President Performance Products & Solutions Industrial Sporting Goods Consumer Textiles 6) Color and De sign Se rv ice s Fernando Sanchez Director Global Marketing Packaging Healthcare Consumer Automotive 3) 3D Printing Cathy K.

These requirements apply to all of our business activities in all of our locations and are implemented through Avient’s standard accounting rules and procedures. All associates must follow these rules and procedures without exception. All reports will be kept confidential to the extent possible.