Color, Additives and Inks has manufacturing, sales and service facilities located throughout North America, South America, Europe, Asia and Africa. Specialty Engineered Materials has manufacturing, sales and service facilities located throughout North America, Europe, Asia and South America. Our operations are located primarily in North America, South America, Europe and Asia.

We employ approximately 6,900 people and have 75 manufacturing sites and eight distribution facilities in North America, South America, Europe and Asia. Global Color, Additives and Inks has manufacturing, sales and service facilities located throughout North America, South America, Europe, Asia and Africa. Global Specialty Engineered Materials has manufacturing, sales and service facilities located throughout North America, Europe, Asia and South America.

Randburg, South Africa 16. Diversity & Inclusion at Avient refers to gender of our global talent pool and U.S. minority status. Every year, we always host a fundraising campaign during safety week, and this year we received the most engagement from all associates,” shared Gisele Bertolucci, Operations Manager, South America.

Randburg, South Africa 16. Diversity & Inclusion at Avient refers to gender of our global talent pool and U.S. minority status. Every year, we always host a fundraising campaign during safety week, and this year we received the most engagement from all associates,” shared Gisele Bertolucci, Operations Manager, South America.

This prohibition applies whether the offer or payment is made directly or through another person x Make misleading, incomplete, or false entries in Avient’s books and records x Ignore red flags when dealing with third parties HOME | TOC North America Global Headquarters Avon Lake, United States 33587 Walker Road Avon Lake, OH, United States 44012 Toll Free: +1 866 765 9663 Phone: +1 440 930 1000 Fax: +440 930 3064 Asia Pacific Regional Headquarters Shanghai, China 2F, Block C 200 Jinsu Road Pudong, 201206 Shanghai, China Telephone: +86 (0) 21 6028 4888 Fax: +86 (0) 21 6028 4999 South America Regional Headquarters Sao Paulo, Brazil Av.

The New PolyOne: A Specialty Growth Company Segment Highlights 16POLYONE CORPORATION 1.7% 4.6% 5.1% 5.5% 7.2% 8.1% 9.7% 12.2% 14.7% 16.7% 16.0% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2020 2017 Revenue: $0.9 Billion Key End Markets (% of revenue) United States 46% Europe 31% Asia 15% Latin America 4% South America 2% Canada 2% Platinum Vision Packaging (27%) Industrial (14%) Wire & Cable (10%) Textiles (12%) Transportation (8%) 15.5% Operating Income % of Sales Color, Additives & Inks At a Glance 17POLYONE CORPORATION 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 8.6% 9.3% 12.1% 14.7% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2020 Platinum Vision United States 48% Europe 28% Asia 22% Canada 2% Consumer (20%) Transportation (19%) Electrical & Electronics (15%) Wire & Cable (13%) Healthcare (11%) 12.5% 20%+ Key End Markets (% of revenue) 2017 Revenue: $0.6 Billion Operating Income % of Sales 14.3% Specialty Engineered Materials At a Glance 18POLYONE CORPORATION 5.5% 6.9% 3.8% 3.6% 5.5% 4.3% 6.3% 7.2% 7.7% 8.3% 12-14% 10.7% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2020 11.1% United States 77% Canada 16% Latin America 5% Asia 2% Platinum Vision Building & Construction (30%) Transportation (16%) Wire & Cable (15%) Industrial (18%) Key End Markets (% of revenue) 2017 Revenue: $0.7 Billion Operating Income % of Sales Performance Products & Solutions At a Glance 19POLYONE CORPORATION Transportation 23% Healthcare 22% Industrial 18% Consumer 15% Appliance 7% E & E 6% B & C 4% Packaging 3% W & C 2% 4% 38% 2006 2017 ROIC* 2.6% 3.0% 3.5% 4.6% 5.6% 6.4% 5.9% 6.1% 6.6% 6.5 - 7.5%6.3% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2020 *After-Tax ROIC 6.4% 2017 Revenue: $1.2 Billion Key Suppliers Operating Income % of Sales 4.0% Platinum Vision Distribution At a Glance http://www.polyone.com/Pages/VariationRoot.aspx http://www.polyone.com/Pages/VariationRoot.aspx Target End Markets & Application Examples 21POLYONE CORPORATION Thermally Conductive Technologies Chemical Resistant Technologies Polymer Colorants Elastomeric Grips and Handles Structural Composites Antimicrobial Technologies Anti-Counterfeiting Technologies Target End Markets… Healthcare Catheter Technologies 22POLYONE CORPORATION Under-hood Components Target End Markets… Automotive Interior Structural Components Sound & Vibration Management Roof Systems Air Management Electronics and Cameras Lighting Exterior / Interior Trim Braces & Brackets Fasteners Seals & Flaps 23POLYONE CORPORATION Target End Markets… Consumer Thermally Conductive Components Polymer Colorants Elastomeric Grips and Handles Structural Composite Components 24POLYONE CORPORATION Oxygen Scavenger Technologies Laser Marking Additives Antistatic Technologies UV Light Barrier Technologies Cap & Closure Colorants Process Optimization Technologies Antioxidant Technologies Density Modified Technologies Target End Markets… Packaging 25POLYONE CORPORATION  Impart weight, sound and metallic finish to caps and closures for cosmetics and spirits applications  Elevate quality and prestige perceptions among high-end consumers  Eliminate time and cost associated with secondary operations and assembly Luxury Packaging GravitechTM Density Modified Polymers 26POLYONE CORPORATION Optimize Color Usage OnColorTM Super Concentrates  Eliminate costs by increasing pigment density  Enhance color performance without altering form and formulation  Increasing design capabilities by reducing weight and layer thickness 27POLYONE CORPORATION Combat Bacteria Formation WithStandTM Antimicrobial Technology  Inhibit microbial growth on polymer surfaces  Enhance value or products and devices  Highly versatile concentrate with the ability to be incorporated into a wide variety of products 28POLYONE CORPORATION Medical Device Housings Chemically Resistant Engineered Polymers  Durable, long-lasting products stand up to the most aggressive disinfectants  Minimize environmental stress cracking and discoloration  One of the broadest medically approved polymer and colorant portfolios 29POLYONE CORPORATION Color & Design Services  Greater control of color development and supply chain  Work across entire design process from concept to commercialization  Inspire creativity in the use of polymer materials, colors, and effects  Innovative brand differentiation  Faster development timelines 30POLYONE CORPORATION 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 31POLYONE CORPORATION  ColorMatrix Fiber Colorant Solutions  Proprietary advanced liquid color formulations and equipment enable greater efficiency and productivity  Eliminates aqueous dyeing and its associated wastewater treatment  Solid Color Concentrates  Extrusion-spun fibers colored via solid masterbatch Fiber Colorants 32POLYONE CORPORATION Smart Home Devices ResilienceTM Vinyl Solutions  High flame retardancy to meet strict UL standards  Greater processing and design flexibility  Specialized additives provide long term color stability  Diffusive lens materials improve light dispersion 1 Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to PolyOne common shareholders, adjusted earnings per share (EPS) attributable to PolyOne common shareholders and adjusted earnings before interest, taxes, depreciation and amortization (EBITDA) to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and that current levels may serve as a base for future performance.

Cape Town, South Africa 13. Our operations are located primarily in North America, South America, Europe and Asia. Color, Additives and Inks has manufacturing, sales and service facilities located throughout North America, South America, Europe, Asia and Africa.

Randburg, South Africa 7. North / Central America South America Europe Middle East/ Asia Africa Australia/ Oceania Canada Argentina Aland Islands Georgia Norway Afghanistan Kyrgyzstan South Korea Algeria Mauritius Australia Costa Rica Belize Armenia Germany Poland Azerbaijan Kuwait Sri Lanka Angola Morocco Fiji Dominican Republic Bolivia Austria Greece Portugal Bahrain Lebanon Tajikistan Benin Nigeria French Polynesia El Salvador Brazil Belarus Hungary Romania Bangladesh Malaysia Thailand Cameroon Senegal Martinique Guatemala Chile Belgium Iceland San Marino Bhutan Maldives Turkey Egypt South Africa New Caledonia Haiti Colombia Bosnia Herzegovina Ireland Serbia Cambodia Myanmar United Arab Emir. Diversity & Inclusion at Avient refers to gender of our global talent pool and U.S. minority status.

When identifying nominees for election to the Board, the Governance and Corporate Responsibility Committee will include, and will request that any search firm it engages include, qualified female and racially/ethnically diverse persons in the initial pool from which director nominees are chosen. When identifying nominees for election to the Board, the Governance and Corporate Responsibility Committee will include, and will request that any search firm it engages include, qualified female and racially/ethnically diverse persons in the initial pool from which director nominees are chosen. We have retained Morrow Sodali LLC, 333 Ludlow Street, 5th Floor, South Tower, Stamford, CT 06902, to assist in the solicitation for an estimated fee of $8,000 plus MISCELLANEOUS 74 PROXY STATEMENT 2022 | Annual Meeting of Shareholders reasonable expenses.

Headquartered in Avon Lake, Ohio, we have employees at sales, manufacturing and distribution facilities in North America, South America, Europe and Asia. Our operations are located primarily in North America, South America, Europe and Asia. Color, Additives and Inks has manufacturing, sales and service facilities located throughout North America, South America, Europe and Asia.