The webcast can be viewed at avient.com/investors, or by clicking here: https://edge.media-server.com/mmc/p/ko4y5g9z.

For more information, visit https://www.avient.com/.

For more information, visit https://www.avient.com.

The webcast can be viewed live at avient.com/investors, or by clicking here: https://edge.media-server.com/mmc/p/p4owuchb.

The webcast can be viewed live at avient.com/investors, or by clicking here: https://edge.media-server.com/mmc/p/yrq7mgm9.To participate in the audio-only portion of the call, dial 1-844-835-7433 (domestic) or 1-914-495-8589 (international) and provide conference ID number 7899765. 

The webcast can be viewed live at avient.com/investors, or by clicking here: https://edge.media-server.com/mmc/p/eaivs28r.

For more information, visit https://www.avient.com.

Our Code of Conduct and Ethics Hotline are available at: https://www.polyone.com/company/policies-and- governance ETHICS REPORTS: Confidential, Discreet, No Retaliation Do you have an ethics concern? Governance 102–18 Governance structure PolyOne 2018 Annual Report—Form 10-K https://www.polyone.com/investors/governance 102–20 Executive-level responsibility for economic, environmental, and social topics PolyOne 2018 Annual Report—Form 10-K Pages 11–12 & 63 and Proxy Statement https://www.polyone.com/investors/governance 102–22 Composition of the highest governance body and its committees PolyOne 2018 Annual Report—Form 10-K https://www.polyone.com/investors/governance 102–23 Chair of the highest governance body PolyOne 2018 Annual Report—Form 10-K Pages 11–12 & 63 and Proxy Statement Pages 17–18 https://www.polyone.com/investors/governance 102–24 Nominating and selecting the highest governance body PolyOne 2018 Annual Report—Form 10-K Pages 11–12 & 63 and Proxy Statement Pages 21–22 https://www.polyone.com/investors/governance Sustainability Report | 2018 85 102–25 Conflicts of interest https://www.polyone.com/investors/governance 102–26 Role of highest governance body in setting purpose, values, and strategy PolyOne 2018 Annual Report—Form 10-K https://www.polyone.com/investors/governance 102–27 Collective knowledge of highest governance body Performance—Board of Director PolyOne 2018 Annual Report—Form 10-K Pages 11–12 & 63 and Proxy Statement Pages 9–12 https://www.polyone.com/investors/governance 102–28 Evaluating the highest governance body's performance PolyOne 2018 Annual Report and Proxy Statement Page 22 https://www.polyone.com/investors/governance 102–29 Identifying and managing economic, environmental, and social impacts https://www.polyone.com/investors/governance 102–30 Effectiveness of risk management processes Performance—Board of Directors Proxy Statement Page 18 https://www.polyone.com/investors/governance 102–31 Review of economic, environmental, and social topics PolyOne 2018 Annual Report—Form 10-K Pages 11–12 & 63 and Proxy Statement Pages 17–22 https://www.polyone.com/investors/governance 102–32 Highest governance body's role in sustainability reporting PolyOne 2018 Annual Report—Form 10-K https://www.polyone.com/investors/governance 102–33 Communicating critical concerns PolyOne 2018 Annual Report—Form 10-K Pages 11–12 & 63 and Proxy Statement Page 19 https://www.polyone.com/investors/governance 102–34 Nature and total number of critical concerns PolyOne 2018 Annual Report—Form 10-K Page 51–52 102–35 Renumeration Policies PolyOne Notice of 2019 Annual Meeting of Shareholders and Proxy Statement 86 Sustainability Report | 2018 102–36 Process for determining renumeration PolyOne Proxy Statement 102–37 Stakeholders' involvement in renumeration PolyOne Proxy Statement 102–38 Annual total compensation ratio PolyOne Proxy Statement 102–39 Percentage increase in annual total compensation ratio PolyOne Proxy Statement 5. Sustainability Report | 2018 87 102–50 Reporting period This report covers the period of January 1, 2018 through December 31, 2018. 102–51 Date of most recent report This is PolyOne's first Sustainability Report. 102–52 Reporting cycle At minimum biennial 102–53 Contact point for questions regarding the report https://www.polyone.com/content/contact-us 102–54 Claims of reporting in accordance with the Standards This report has been prepared in accordance with the GRI Standards: Core Option. 102–55 GRI content index Appendix—GRI Index 102–56 External assurance Currently, we do not peruse external assurance/ verification of our Sustainability Report.

CÓDIGO DE CONDUTA | 17 NOSSO CÓDIGO DE HONESTIDADE NO INTEGRIDADE EM RESPONSABILIDADE RECURSOS http://polynet/ethics/CorporatePolicies/InformationSystemsUsePolicies/tabid/1885/Default.aspx http://polynet/ethics/CorporatePolicies/InformationSystemsUsePolicies/tabid/1885/Default.aspx http://polynet/ethics/CorporatePolicies/CyberandDataIncidentResponsePolicy/tabid/2729/Default.aspx http://polynet/ethics/CorporatePolicies/CyberandDataIncidentResponsePolicy/tabid/2729/Default.aspx Informações privilegiadas e transações com informações privilegiadas Na Avient, você pode ficar ciente de informações importantes não divulgadas ao público, relacionadas à Avient ou a qualquer empresa com a qual fazemos negócios. CÓDIGO DE CONDUTA | 21 NOSSO CÓDIGO DE HONESTIDADE NO INTEGRIDADE EM RESPONSABILIDADE RECURSOS https://www.avient.com/company/policies-and-governance/global-policy-anti-bribery-and-anti-corruption https://www.avient.com/company/policies-and-governance/global-policy-anti-bribery-and-anti-corruption Agentes ou consultores Devemos assegurar que agentes, consultores e outros representantes atuando em nome da Avient não ofereçam ou recebam subornos ou propinas, nem se envolvam em qualquer outra conduta ilegal ou antiética. CÓDIGO DE CONDUTA | 27 NOSSO CÓDIGO DE HONESTIDADE NO INTEGRIDADE EM RESPONSABILIDADE RECURSOS https://www.avient.com/company/sustainability/sustainability-report http://Avient.com/sustainability https://www.avient.com/company/sustainability/sustainability-report/products/no-surprises-pledge-0 P: Meu supervisor me pediu para seguir um novo procedimento de descarte de resíduos, mas não tenho certeza se é seguro ou mesmo legal.

 Addressable market exceeds $40 billion  Strong performance demonstrates that our strategy and execution are working  Megatrends and emerging opportunities align with strengths  Innovation and services provide differentiation, incremental pricing power and competitive advantage  Strategic balance between reinvestment for growth and returning cash to shareholders  Strong and proven management team driving growth and performance 18 POLYONE CORPORATION Segment Highlights POLYONE CORPORATION 19 2016 Revenue: $0.8 Billion At a Glance: Color, Additives & Inks Key Applications 2016 Revenue by Industry Expanding Profits 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 2020 Operating Income % of Sales Platinum Vision United States 45% Europe 33% Asia 15% Latin America 5% Canada 2% Packaging 30% Industrial 15% W & C 10% B & C 10% Textiles 9% Transportation 9% Consumer 7% Healthcare 6% Appliance 2% E & E 2% POLYONE CORPORATION 20 2016 Revenue: $0.6 Billion At a Glance: Specialty Engineered Materials 2016 Revenue by Industry Expanding Profits 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 8.6% 9.3% 12.1% 14.7% 14.3% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2020 Operating Income % of Sales Platinum Vision Consumer 19% Transportation 19% E & E 15% W & C 15% Healthcare 11% Industrial 8% Packaging 7% Appliance 3% B & C 3% United States 51% Europe 27% Asia 20% Canada 2% Key Applications POLYONE CORPORATION 21 2016 Revenue: $0.4 Billion At a Glance: Designed Structures & Solutions 2016 Revenue by Industry Expanding Profits 1.4% 5.6% 7.3% 3.0% 8-10% -0.9% 2012 2013 2014 2015 2016 2020 Operating Income % of Sales Platinum Vision Transportation 27% Industrial 21% Packaging 21% B & C 11% Healthcare 8% Consumer 8% Appliance 3% E & E 1% Key Applications United States 95% Canada 5% http://www.google.com/url? sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRw&url=http://www.mullerquaker.com/products/greek100/greek100-peach-and-passion-fruit&ei=-acYVZq7EIqwyASDjYL4CA&bvm=bv.89381419,d.cWc&psig=AFQjCNGNCQY1_dCN2RPLzxtap_Pu0omTXQ&ust=1427765484498432 POLYONE CORPORATION 22 2016 Revenue: $0.7 Billion At a Glance: Performance Products & Solutions 2016 Revenue by Industry Expanding Profits 5.5% 6.9% 3.8% 3.6% 5.5% 4.3% 6.3% 7.2% 7.7% 8.3% 12-14% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2020 Operating Income % of Sales Platinum Vision 11.1% B & C 30% Transportation 18% W & C 16% Industrial 16% Appliance 6% Consumer 5% Packaging 5% E & E 3% Healthcare 1% United States 78% Canada 16% Latin America 4% Asia 2% Key Applications POLYONE CORPORATION 23 2016 Revenue: $1.1 Billion At a Glance: Distribution Key Suppliers ROIC Expanding Profits 2.6% 3.0% 3.5% 4.0% 4.6% 5.6% 6.4% 5.9% 6.1% 6.6% 6.5-7.5% 6.4% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2020 Operating Income % of Sales Platinum Vision 15% 51% 2006 2016 Transportation 24% Healthcare 22% Industrial 18% Consumer 15% Appliance 6% E & E 5% B & C 4% Packaging 4% W & C 2% http://www.polyone.com/Pages/VariationRoot.aspx 24 POLYONE CORPORATION Application Examples POLYONE CORPORATION 25 Luxury Packaging with Gravitech Density Modified Polymers  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 POLYONE CORPORATION 26  Eliminate costs by increasing pigment density  Enhance color performance without altering form and formulation  Increase design capabilities by reducing weight and layer thickness Optimize Color Usage with OnColor Super Concentrates POLYONE CORPORATION 27  Inhibit microbial growth on polymer surface  Enhance value or products and devices  Highly versatile concentrate with the ability to be incorporated into a wide variety of products Combat Bacteria Formation with WithStand Antimicrobial Technology POLYONE CORPORATION 28 Medical Device Housings with 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 POLYONE CORPORATION 29 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 POLYONE CORPORATION 30 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 31 Fiber Colorants Solutions for clothing, apparel, footwear, automotive & sporting goods  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 POLYONE CORPORATION 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 1 Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Senior management uses comparisons of adjusted net income attributable to PolyOne common shareholders, adjusted earnings per share (EPS) attributable to PolyOne common shareholders and operating income before special items 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.