We provide other benefits to the Named Executive Officers that we believe are necessary to compete for executive talent. We entered into this agreement in order to attract Mr. We realize a tax deduction at those specified times.

While we anticipate weakness in consumer and transportation end markets, we see opportunities for growth in our largest end market, packaging, as well as strength in our high profit portfolios in defense and healthcare. As such, we expect second quarter adjusted EPS of $0.79, which represents 4% growth over the prior year quarter.” For the most part, we source raw materials and manufacture our products locally in the regions we serve, so we expect minimal direct impact from tariffs announced to date.

We will consider the type and percentage of PCR you are using, and will also work with you on your targeted let-down ratio (LDR) and the color or special effect you want to attain. SUSTAINABILITY AT AVIENT We have a mission that we are committed to and passionate about. It is to enable our customers’ innovation and sustainability goals through world class products and services and excellence in the four cornerstones of: WE HELP OUR CUSTOMERS MAKE PRODUCTS THAT ARE MORE SUSTAINABLE IN 8 DIFFERENT WAYS: • Lightweighting • Reduced Energy Use • Volatile Organic Compound Reduction • Recycle Solutions • Bio-polymers • Eco-conscious • Sustainable Infrastructure • Human Health & Safety For more information on how we can help, visit avient.com 1.844.4AVIENT www.avient.com Copyright © 2021, Avient Corporation.

Since 2016, we have grown 12% annually. We will comply with the systems by which we are regulated by keeping up-to-date on existing and upcoming emissions trading schemes. We expect that we may be regulated by a carbon pricing system in the EU beginning in 2024.

As we grow, we can add capacity with minimal investment. We create value for our stakeholders and we love to win. We are Avient.

Because these vinyl materials are a core competency of Avient, we have strong relationships virtually assuring an uninterrupted supply of dispersion resin. We have the expertise to help you clear your formulation, processing, or regulatory hurdles. Let Avient focus on what we do well; providing plastisol solutions formulated to the specific color, durometer and viscosity needs of your critical applications.

UNDERHOOD We offer a broad array of polymers with unique thermally conductive and electrically conductive properties. We offer manufacturing and support services around the globe to make it possible for you to develop and build nearly any part you create. We exist to help you solve challenges, improve sustainability, and compete more effectively.

As we grow, we can add capacity with minimal investment. We create value for our stakeholders and we love to win. We are Avient.

As we grow, we can add capacity with minimal investment. We create value for our stakeholders and we love to win. We are Avient.

You are advised  to consult any further disclosures we make on related subjects in our reports on Form 10‐Q, 8‐K and 10‐K that we provide to the Securities and Exchange  Commission. In certain cases throughout this presentation, we  have presented GAAP and non‐GAAP financial measures adjusted to reflect full‐ year 2012 Pro forma results, including Spartech and Glasforms Page 3 Strategy and Execution Drive Results 90% $22 $24 PolyOne Stock Price 50% $18 $20 $22 S&P 500 (relative performance) 30% $12 $14 $16 S&P 500 (relative performance) ‐10% 10% $6 $8 $10 50% ‐30% $0 $2 $4 $ | ‐50%$0 2006 2007 2008 2009 2010 2011 2012 2013 Page 4 Four Pillar Strategy The World’s Premier Provider of SpecializedThe World s Premier Provider of Specialized  Polymer Materials, Services & Solutions Page 5 Spartech – Compelling Strategic Rationale • Spartech expands PolyOne’s specialty portfolio with adjacent  technologies in attractive end markets  Bolt on acquisition with opportunity for global expansion as only Bolt‐on acquisition with opportunity for global expansion, as only  6% of Spartech’s revenues are outside of North America • PolyOne has a proven management team with a track record of  transformational success • Preliminary synergy estimated at $65 million run rate by end of  3year 3  Significant opportunity to expand profitability by leveraging  PolyOne’s four pillar strategy • Substantial potential share price appreciation for all  shareholders f f ll / $ Accretive to EPS in first full year post‐acquisition / $0.50 once  synergies realized Page 6 Mix Shift Highlights Specialty Transformation  Old  PolyOne Transformation 100% 2015 Target 80% In co m e*   65 – 75%40% 60% f O pe ra tin g  34% 43% 45% 65  75% 20%  o f 2%0% 2005 2008 2010 2012 2015 Specialty OI $5M   $46M                        $87M                       $114M                     Target *Operating Income excludes corporate charges and special items JV's PP&S Distribution Specialty Page 7 Proof of Performance 2007 2012 2015 “Where we were” “Where we are” “Where we Where we were Where we are expect to be" 1)  Operating Income % Specialty 3.2% 9.1% 12 – 16% PP&S 6.1% 9.0% 9 – 12% Distribution 3.0% 6.4% 6 – 7.5% 2)  Specialty Platform sss% of Operating Income 20% 45% 65 – 75% 3) ROIC* ( ft t ) 7% 11% 15%3) ROIC* (after‐tax) 7% 11% 15% 4)  Adjusted EPS Growth** N/A 4 yr CAGR = 55% Double Digit  Expansion *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period **4 yr EPS CAGR calculated using 2012 adjusted EPS vs 2008 adjusted EPS Page 8 Proof of Performance Spartech Opportunity Intermediate  PolyOne Spartech Opportunity 2006 2012 Today Goal “Where we were” “Where we are” “Where  Spartech is”* “Where we can go”were are Spartech is can go Specialty Operating Margin 1.5% 9.1% 2.2% 8.0% – 10.0%  Margin Page 9 *Pro Forma results include Spartech corporate allocations for FY12 ended November 3, 2012 PolyOne 14% Latin America 3% Distribution 2012 Revenues: $4.2 Billion* 2012 Revenues: $4.2 Billion* United States 14% 5% PP&S 20%Specialty 57% Building & HealthCare 1.02 1.20 $1.20 $1.40 ha re End Markets* EPS Growth Construction 14% 17% Industrial 9% 0.27 0 21 0.79 $0.40 $0.60 $0.80 $1.00 Ad ju st ed  E ar ni ng s P er  S Electrical & 0.12 0.21 0.13 $0.00 $0.20 2006 2007 2008 2009 2010 2011 2012 Page 10 * Pro Forma includes FY2012 results for Spartech (11/03/12 YE) and Glasforms Specialty U it d 2012 Revenues: $2.4 Billion* Solutions United States 59% 9% Latin America Building & C t ti HealthCare   o f S al es 12-16% End Markets* Expanding Profits Construction Electrical & Industrial 15% 1.5% 3.2% 4.3% 5.3% 8.4% 9.1% O pe ra tin g  In co m e  Page 11 2006 2007 2008 2009 2010 2011 2012 2015 O Target* Pro Forma includes FY2012 results for Spartech (11/03/12 YE) and Glasforms Designed Structures and Solutions United States 2012 Revenues: $0.85 Billion* Solutions 84% Latin America 4% Building & Construction Sign & Advertising 3% Recreation & Leisure Pool & Spa 1% Distribution & Thermoform 2% Operating Income % of Sales 2012 Revenue by Industry Segment* Expanding Profits** Electrical & Electronics 23%Industrial 3% 2.2% 8 ‐ 10% 1% HealthCare 2012 2015 Target  Page 12 *Pro Forma includes FY2012 results for Spartech (11/03/12 YE) **Pro Forma results include Spartech corporate allocations for FY12 Positioned for Earnings Growth 2015 Target Rev: $5B Adj.