ENVIRONMENTAL POLICY Avient Corporation conducts its operations in an environmentally responsible manner that is protective of the communities in which we operate.

FUJI FISHING F I S H I N G R O D H A N D L E • Good aesthetics with easy processing • Good toughness modified to work in low temperature environment • Excellence stiffness and durability • Good quality control • Offered customized formulation that balanced toughness and stiffness to pass customer’s specific mechanical test • Provided strict quality control and quick response which helped the customer meet its deadline and get to market faster Edgetek™ Glass-Filled Thermoplastics KEY REQUIREMENTS WHY AVIENT?

FAMOUS TIER 2 COMPANY A U T O M O T I V E L I G H T I N G I R L E N S O F S E N S O R • High heat resistance up to 203°C • PESU base resin with high IR transmission • Visible light cannot pass through • Used rich experience with different IR transmission materials to support customer’s material design and test method • Customized color for IR transmittance, which allowed IR to pass through the plastic lamp without accumulating high heat Edgetek™ ET9400-8005 IR Formulation KEY REQUIREMENTS WHY AVIENT?

Bergamid-Racing Wheel-Application snapshot_0429 CONSUMER ELECTRONICS BRAND G E A R O F R A C I N G W H E E L • Achieve high strength and abrasion resistance • Deliver smooth, quiet functionality and minimize backlash for improved control • Delivered glass fiber reinforced nylon formulation to meet the requirements for high strength and abrasion resistance • Offered local service and support, which helped to accelerate production • Provided stable supply despite the nylon shortage issues in the market Bergamid™ Polymer Formulation KEY REQUIREMENTS WHY AVIENT?

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.

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.

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.