Avient Corporation provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Company Officers

Company Officers Avient Corporation Privacy Statement

Company Officers Avient Corporation Privacy Statement

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.

PROHIBITED USES OF INFORMATION SYSTEMS Users shall not use Avient Information Systems for any of the following prohibited uses: • Any activity prohibited by applicable law; • Violating Avient Ethics and Corporate Policies; • Infringing on the intellectual property rights of another individual or company; • Soliciting for activities or products unrelated to Avient’s business interests in furtherance of an independent business; • Improper or unauthorized use of email and email distribution lists, including mass or unsolicited emails (such as chain letters) and forging email header information or signatures; • Exporting, transferring, downloading, copying, or saving Confidential Data or Information Systems to non-approved devices or locations; • Intentionally introducing security threats to Information Systems or effecting a Cyber or Data Incident; or • Engaging in any other activity similar to the above that, in Avient’s reasonable judgment, is disruptive to or not in the best interests of its business. Personal social media involving or referencing Avient must be in accordance with Avient Corporate and Ethics Policies. For example, Personal Data could be an individual’s Social Security Number (SSN), name, address, date of birth, tax identification number or equivalent, credit or debit card number, or financial account number.

Patterson, Chairman, President and Chief Executive Officer, Avient Corporation. For the same reasons, the Company is unable to address the probable significance of the unavailable information. These costs are included in Corporate and eliminations.

Possible uses include lightweight adventure gear for outdoor recreation, sustainable office furniture for LEED-certified buildings, or next-generation vehicles that go further using less energy resources. Post-Industrial Recycled Resin 0% 25% 50% 75% Long Glass Fiber 40% 40% 40% 40% Tensile Strength 29,500 psi 203 MPa 28,000 psi 193 MPa 25,000 psi 172 MPa 21,500 psi 148 MPa Tensile Modulus 1,700 ksi 11,724 MPa 1,650 ksi 11,379 MPa 1,600 ksi 11,034 MPa 1,550 ksi 10,690 MPa Flexural Strength 45,500 psi 314 MPa 43,000 psi 297 MPa 37,000 psi 255 MPa 32,500 psi 224 MPa Flexural Modulus 1,700 ksi 11,724 MPa 1,650 ksi 11,379 MPa 1,600 ksi 11,034 MPa 1,550 ksi 10,690 MPa Izod Notched Impact 8.0 ft-lb/in 427 J/m 7.5 ft-lb/in 401 J/m 6.5 ft-lb/in 347 J/m 5.5 ft-lb/in Izod Un-Notched Impact 27.0 ft-lb/in 1,442 J/m 26.0 ft-lb/in 1,388 J/m 22.5 ft-lb/in 1,202 J/m 17.5 ft-lb/in 935 J/m 1.844.4AVIENT www.avient.com Copyright © 2022, Avient Corporation.

Patterson, Chairman, President and Chief Executive Officer, Avient Corporation. For the same reasons, the Company is unable to address the probable significance of the unavailable information. 6 Investor Relations Contact: Giuseppe (Joe) Di Salvo Vice President, Treasurer and Investor Relations Avient Corporation +1 440-930-1921 giuseppe.disalvo@avient.com Media Contact: Kyle G. These costs are included in Corporate and eliminations.

Autoinjector Pen - Avient Application Study.mm (1) AUTO-INJECTOR APPLICATION STUDY M A T E R I A L T E C H N O L O G I E S + S E R V I C E S F O R N E X T G E N E R A T I O N D E S I G N S Avient Corporation 1 Avient Corporation 2 Innovating Design Medical innovations and plastics have gone hand-in-hand to make healthcare safer, cleaner, and more accessible for all. Our engineered polymers will address a vast array of property requirements Avient Corporation 12

Slide 1 PolyOne Corporation Page 1 PolyOne Investor Presentation Goldman Sachs 2015 US Emerging/ SMID Cap Growth Conference November 2015 PolyOne Corporation Page 2 Forward-Looking Statements  In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. PolyOne Corporation Page 3 Use of Non-GAAP Measures  This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures.  Addressable market exceeds $40 billion  Strong performance demonstrates that our strategy and execution are working  Megatrends and emerging opportunities align with our strengths  Innovation and services provide differentiation, incremental pricing power, and competitive advantage  Strong and proven management team driving growth and performance PolyOne Corporation Page 16 Appendix PolyOne Corporation Page 17 $0.20 $0.28 $0.36 $0.49 $0.54 $0.00 $0.15 $0.30 $0.45 $0.60 Q3'11 Q3'12 Q3'13 Q3'14 Q3'15 Adjusted EPS Q3 2015 Financial Highlights  Color Additives & Inks operating margin reaches record third quarter level of 17.3%  Specialty Engineered Materials operating margin grew 210 basis points year-over-year to 14.7%  Third quarter adjusted EPS has grown on average 28% per year since 2011 $13 $19 $29 $30 $35 $0 $10 $20 $30 $40 Q3'11 Q3'12 Q3'13 Q3'14 Q3'15 GCAI Operating Profit $11 $13 $15 $18 $20 $10 $14 $18 $22 Q3'11 Q3'12 Q3'13 Q3'14 Q3'15 GSEM Operating Profit Note: $ in millions, except per share data PolyOne Corporation Page 18 Building & 7% Electrical & 1% 31% Textiles 7% 12% 1.7% 4.6% 5.1% 5.5% 7.2% 8.1% 9.7% 12.2% 17.2% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 YTD 2015 2020 Operating Income % of Sales At a Glance Global Color, Additives and Inks 2014 Revenues: $0.9 Billion Solutions Expanding Profits 2014 Revenue by Industry Segment 14.7% Platinum Vision 44% 36% PolyOne Corporation Page 19 4% Building & 18% Electrical & 16% At a Glance Global Specialty Engineered Materials 2014 Revenues: $0.6 Billion Solutions 2014 Revenue by Industry Segment Expanding Profits 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 8.6% 9.3% 15.1% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 YTD 2015 2020 Operating Income % of Sales Platinum Vision 12.1% 44% 33% 19% PolyOne Corporation Page 20 2% Building & 23% 27% 30% 96% At a Glance Designed Structures and Solutions Solutions 2014 Revenues: $0.6 Billion Expanding Profits 2014 Revenue by Industry Segment 1.4% 5.6% 7.3% 3.5% 12-14% 2012 2013 2014 YTD 2015 2020 Operating Income % of Sales Platinum Vision PolyOne Corporation Page 21 Building & 33% 5% Electrical & 1% 11% 18% 16% 5.5% 6.9% 3.8% 3.6% 5.5% 4.3% 6.3% 7.2% 8.1% 2006 2007 2008 2009 2010 2011 2012 2013 2014 YTD 2015 2020 Operating Income % of Sales At a Glance Performance Products and Solutions Solutions Expanding Profits 2014 Revenues: $0.8 Billion 10-12% Platinum Vision 2014 Revenue by Industry Segment 7.7% PolyOne Corporation Page 22 Building & 13% Electrical & 23% 15% 25% 2.6% 3.0% 3.5% 4.0% 4.6% 5.6% 6.4% 5.9% 6.6% 6.5-7.5% 2006 2007 2008 2009 2010 2011 2012 2013 2014 YTD 2015 2020 Operating Income % of Sales 15% 52% 2006 Q3 2015 At a Glance Distribution Key Suppliers 2014 Revenues: $1.1 Billion ROIC Expanding Profits 6.1% Platinum Vision http://www.avient.com/Pages/VariationRoot.aspx PolyOne Corporation Page 23 2 lbs Plastic = 3 lbs aluminum or 8 lbs steel or 27 lbs glass 33% less material by weight than aluminum 75% less material by weight than steel 93% less material by weight than glass Requires 91% less energy to recycle a pound of plastic versus a pound of paper Source: SPI: Sustainability and the Plastics Industry Plastics: Key to Future Sustainable Development PolyOne Corporation Page 24 Commitment to Operational Excellence 81% 93% 2006 2014 16.2% 9.9% 2006 2014 On-Time Delivery Working Capital % of Sales 5% 43% 2006 2014 Percent of Associates Trained in LSS  Five consecutive years – CFO Magazine Best Working Capital Management in the chemical industry World’s Best Business Process Excellence Program in 2012*  113 trained Black Belts  235 trained Green Belts  151 trained Kaizen 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 25 Application Examples PolyOne Corporation Page 26 Outdoor Applications • Leading provider of high performance specialty materials for the recreational and sports & leisure industry • Well positioned across all segments to address market needs  Metal to Polymer Conversion  Lightweighting  Thermal Management  Impact Performance Source: Outdoor Industry Association PolyOne Corporation Page 27  $1.5 billion attractive, growing market  Additives improve performance and reduce cost through light-weighting, reduced waste, faster cycle times, and extended shelf life of finished product  Aligned with megatrend of protecting the environment:  Sustainability benefits include lower package weight and improved recyclability of package at end of use Market Opportunity Leading Global Supplier of Additives In Growing PET Market Shelf-life extension Greater product consistency Recyclability and reduced carbon footprint Color and Special Effects Weight reduction Enhanced product aesthetics High heat resistance PET Bottling Technology 0.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 2009 2014 2019 Asia Pacific North America Latin America Western Europe Eastern Europe Middle East and Africa Global PET Packaging Growth 2009-2019 Source: Euromonitor retail off-trade consumption (PET bottles & jars, home care, personal care, food & non-alcoholic beverages) B ill io n un its 5% CAGR PolyOne Corporation Page 28 • Includes formulation and consultative services to assist manufacturers and brand owners in positively identifying their finished goods • Protects brand equity & consumer welfare • Reduces exposure to unwarranted recall expenses • Secures supply chain integrity – support for safe expansion into new geographies Authentication Technology PolyOne Corporation Page 29 • Color harmonization across 15 unique color-and-polymer combinations • Eliminated need for multiple pre- colored materials • Reduced Land Rover’s working capital 2015 Range Rover Evoque Interior PolyOne Corporation Page 30 • Reduced health and environmental impact • System cost reduction • Radiation-shielding performance • Parts consolidation • Design freedom CT Scanner PolyOne Corporation Page 31 Metal Replacement Solutions • Replaces metal in LED lighting • Extends LED durability and life span eliminating hot spots • Greater design flexibility with fewer parts • Weight reduction • Simplifies manufacturing and lowers total production cost PolyOne Corporation Page 32 High-Barrier Packaging Containers • Capability to extrude up to 13 layers • Strong oxygen and moisture vapor transmission protection • Can be made symmetrical or asymmetrical to meet customized needs of broad variety of applications • Barrier protection and superior sensory properties PolyOne Corporation Page 33 Aerospace Applications • Leading provider of specialty materials for the aerospace industry • Typical applications  Mil-spec aircraft windows, canopies, windscreens, instrument panels, wingtip lenses  Interior – gallery furnishings, tray tables, arm rests, trim strips, joint/edge coverings • Benefits:  High impact strength  Resistant to UV rays  Flame and smoke compliance  Easy to clean with aggressive cleaners; anti-microbial grades available  Range of sizes, thicknesses, colors, etc.