Browse and download our literature to learn more about Avient solutions and services. Custom Versalloy™ HC 9220-90 formulation provides regulatory compliance for drug transfer device  Versalloy™ XL provides high flow and beautiful aesthetic finish to flexible neck for hydroponic lamp

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. V I S I O N PolyOne Corporation 4 To be the world’s premier provider of specialized polymer materials, services and solutions C O R E V A L U E S P E R S O N A L V A L U E S Honesty IntegrityRespect Operational Excellence Commercial Excellence Specialization Globalization Collaboration ExcellenceInnovation To be the world’s premier provider of specialized polymer materials, services and solutions S A F E T Y F I R S T PolyOne Corporation 5 Injuries per 100 Workers Spartech Acquisition 1.3 1.1 1.1 0.85 0.65 0.57 0.54 0.97 0.84 0.74 0.74 0.69 0.51 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 YTD PolyOne Corporation 6 P O L Y O N E 2 0 1 7 R E V E N U E | $ 3 . 2 B I L L I O N 9% United States 59% 14% 10% Latin America 9% Canada PolyOne Distribution 34% Performance Products & Solutions 21% Specialty Engineered Materials 19% Color Additives & Inks 26% Segment End Market Geography Building & Construction Electrical & Electronics 2009 2010 2011 2012 2013 2014 2015 2016* 2017* P R O O F O F P E R F O R M A N C E C O N S E C U T I V E Y E A R S PolyOne Corporation 7 8 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 $1.96 $2.06 $2.21 *Pro Forma for sale of DSS “Where we were” “Where we are” ROIC** 5.0% 14.0% Operating Income % of Sales Color, Additives & Inks 1.7% 15.5% Specialty Engineered Materials 1.1% 12.1% Performance Products & Solutions 4.3% 10.7% Distribution 2.6% 6.3% **ROIC is defined as TTM adjusted OI after tax divided by the sum of average debt and equity less cash over a 5 quarter period A D J U S T E D E P S E X P A N S I O N S U S T A I N A B L E P A T H T O D O U B L E - D I G I T E P S G R O W T H PolyOne Corporation 8 P E O P L E P R O D U C T S P L A N E T P E R F O R M A N C E Double digit annual EPS growth Expand specialty portfolio with strategic acquisitions Innovate and develop new technologies and services Repurchase 600K-1M shares annually Increase commercial resources 6-8% annually Double acquired company margins Enhance efficiencies through Lean Six Sigma and commercial excellence 531 711130 158 504 656 2014 Q3 2018 R&D / Technical Marketing Sales PolyOne Corporation 9 Increased commercial headcount + 34% + 22% + 30% Generating opportunities 35% more sales calls 25% more marketing campaigns 1,000 new customers, expanding customer base by 5% $1.0B increase in new opportunities Enhancing efficiency 8% reduction of average territory size, enabling greater customer focus 20% more prospecting calls I N V E S T M E N T I N COMMERCIAL RESOURCES D R I V I N G G R O W T H Lead Specialists T H E E V O L V I N G C U S T O M E R R E L A T I O N S H I P PolyOne Corporation 10 Expanded Path Traditional Path Strategic Accounts/ Field Sales Business Development Customer Service Web and Social Media Inside Sales PolyOne Corporation 11 Investments in digital and dedicated inside sales to improve customer experience 80% increase in leads (from 6,000 to 11,000) driven by website, phone, and online chat EXPANDED PATH A D D I N G C U S T O M E R T O U C H P O I N T S 4 21 Inside sellers $11M $88M Inside sales/digital revenue N E W R E S O U R C E S F U E L I N G T H E F U T U R E PolyOne Corporation 12 P O L Y O N E S A L E S F U N N E L +34% $3.0 billion 2017 $4.0 billion A L I G N I N G W I T H T R E N D S F O R G R O W T H T R A N S P O R T A T I O N P A C K A G I N G H E A L T H C A R E C O N S U M E R PolyOne Corporation 13 Facilitate alternative energy solutions Light- weighting Reduce packaging materials Improve recyclability Reduce spread of infection I N N O V A T I O N PolyOne Corporation 14 Customization 55% M&A 30% Innovation Pipeline Innovation comes from Research & Development Spend ($ millions) Vitality Index % of sales from products launched last 5 years 38% $20 $52 Transformational Opportunity for Growth Through M&A Adjacent Opportunity for Growth Through New Product Pipeline Core Customization 3 H O R I Z O N S O F D E V E L O P M E N T PolyOne Corporation 15 Incremental development from existing base of technology New development adjacent to current New technology development outside of and with our current base Service adjacent markets and Create new markets, target new customer needs Service existing markets and Market Technical I N N O V A T I O N Non-Halogen Flame Retardants Barrier Technologies Fiber Colorants Advanced Composites Thermoplastic Elastomers Gordon Composites/ Polystrand – Composites GLS – Thermoplastic Elastomers ColorMatrix – Liquid Color & Additives I N N O V A T I O N P I P E L I N E PolyOne Corporation 16 PrototypeFrame Opportunity Scale-up & Test Market Build Business Case Commercial Launch (since 2015) Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 8 6 2 1 15 4 10 11 4 7 Breakthrough Platform Derivative Number of Projects 26 16 20 15 2 79 Total Addressable Market ($ millions) - - $1,230 $1,170 $440 $2,840 F L A M E R E T A R D A N T P O L Y M E R S A D V A N C E D C O M P O S I T E S B A R R I E R M A T E R I A L S C O L O R A N T T E C H N O L O G I E S T H E R M O P L A S T I C E L A S T O M E R S I N N O V A T I O N S P O T L I G H T : C O M P O S I T E S PolyOne Corporation 17 C O M P O S I T E S R E F R E S H E R PolyOne Corporation 18 Polymer Composite Strength Design Flexibility Continuous Fiber Thermoset Short Glass Fiber Thermoplastics Continuous Fiber Long Glass Fiber Thermoplastics S T R A T E G I C I N V E S T M E N T H I S T O R Y Acquired Polystrand Installed LFT production Avon Lake Acquired Gordon Thermoplastic Composites Long Fiber Reinforced Thermoplastics Continuous Fiber Thermosets Long Fiber Thermoplastic (LFT) Technology Installed LFT production Barbastro, Spain Acquired Glasforms Long Fiber Reinforced Thermoplastics Continuous Fiber Thermosets 2012 2015 20162009 2011 Acquired PlastiComp, specialty LFT producer PolyOne Corporation 19 C O M P O S I T E S I N T R A N S P O R T A T I O N PolyOne Corporation 20 W A T E R C R A F TR A I L H E A V Y T R U C K Bulkheads and Transoms Ceilings and Hatches Doors and Cabinetry Flooring Door Panels Side Walls Flooring & Side Panels Aerodynamic Fairings Seat and Bunk Reinforcements PolyOne Corporation 21 Safety Technology Geography Service FinancialPeople Low EH&S risk profile New and complementary technologies Leverage our global footprint Strong customer relationships Foundational operating margins of 8-10% with ability to double Motivated team with a specialty culture I N V E S T - T O - G R O W M & A S T R A T E G Y PolyOne Corporation 22 Capture sourcing synergies Cross-sell & blend 8-10% operating margins I N V E S T - T O - G R O W M & A P L A Y B O O K Protect Retain employees Implement LSS to drive efficiency improvements Innovate with combined portfolio Safety First! Service:�The Timeless differentiator Talent development IQ DESIGN LABS LSS CUSTOMER FIRST 3D Printing�Bringing New ideas to life Slide Number 34 Innovating with PolyOne COLOR, ADDITIVES & INKS Color, Additives & Inks Specialty Engineered Materials Specialty Engineered Materials Performance Products & Solutions Performance Products & Solutions DISTRIBUTION Target end markets & �application examples Slide Number 44 Slide Number 45 Slide Number 46 Slide Number 47 Slide Number 48 Slide Number 49 Slide Number 50 Slide Number 51 Slide Number 52 Slide Number 53 Slide Number 54 Slide Number 55

With our 5 brands, Wilflex™, Rutland™, Union Ink™, Printop™, and QCM™ we are recognized as a leader in our markets with a deep focus on quality, innovation, and customer service. Some of the information arises from laboratory work with small-scale equipment which may not provide a reliable indication of performance or properties obtained or obtainable on larger-scale equipment. Revolución 842, Zona Industrial Ventanilla - Callao, Lima - Perú Phone: +51.1.613.4242 Rutland/Union Ohio Service Center 777-M-N Dearborn Park Lane Worthington, OH 43085 Phone: +1 614.846.3055 Rutland/Union Warehouse 28 Eldon Way Paddock Wood Kent TN12 6BE UK Phone: +44.0.1892.834.555 Rutland/Union/Wilflex Manufacturing Plant No. 1 QiHang Industrial Park HaoXiang Road, Shajing Town, BaoAn District Shenzhen, China, 518104 Phone: +86.755.2969.2888 Specialty Inks

is a premier provider of specialized polymer materials, services and solutions.

PolyOne Corporation, with 2017 revenues of $3.2 billion, is a premier provider of specialized polymer materials, services and solutions.

PolyOne Corporation, with 2014 revenues of $3.8 billion, is a premier provider of specialized polymer materials, services and solutions.

PolyOne Corporation (NYSE: POL), with 2018 revenues of $3.5 billion, is a premier provider of specialized polymer materials, services and solutions.

PolyOne Corporation, with 2014 revenues of $3.8 billion, is a premier provider of specialized polymer materials, services and solutions.

PolyOne Corporation, with 2013 revenues of $3.8 billion, is a premier provider of specialized polymer materials, services and solutions.

PolyOne Corporation, with 2014 revenues of $3.8 billion, is a premier provider of specialized polymer materials, services and solutions.