OnColor™ Naturals—Colorants for Recyclable Packaging reSound™ OM Thermoplastic Elastomers Eco-Conscious Offers alternatives to traditional materials such as lead, bisphenol-A (BPA), phthalates, halogens or thermoset rubbers. ECCOH™ Low Smoke and Fume Non-Halogen Formulations Zodiac™ Aquarius™ Water Based Screen Printing Inks MagIQ™ Non-Woven Electret Plus Technology Example Products and Sustainable Outcomes HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Goals & Metrics | Indices Sustainability Report | 2019 41 https://www.avient.com/products/engineered-polymer-formulations/eco-conscious-formulations/edgetek-ld https://www.avient.com/products/engineered-polymer-formulations/high-temperature-polymer-formulations/complēt-long-fiber-reinforced-structural-thermoplastics https://www.avient.com/products/polymer-additives/oxygen-scavengers/colormatrix-amosorb-low-haze https://www.avient.com/products/polymer-additives/processing-enhancement-additives/oncap-multi-purge-additives https://www.avient.com/products/polymer-additives/processing-enhancement-additives/oncap-ctr https://www.avient.com/products/polymer-additives/reheat-additives-pet/colormatrix-joule-reheat-additive-pet https://www.avient.com/products/thermoplastic-elastomers/onflex-thermoplastic-elastomers https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/oncolor-fx-special-effect https://www.avient.com/products/engineered-polymer-formulations/flame-retardant-formulations/syncure-crosslinked-polyethylene-formulations https://www.avient.com/products/advanced-composites/pultrusion-and-continuous-filament-winding-technology/glasforms-pultruded-rods-tubes-custom-profiles https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/oncolor-ir-sortable-black-recyclable-packaging https://www.avient.com/products/engineered-polymer-formulations/eco-conscious-formulations/nymax-pir-and-resound-r-nd-recycled-nylon-formulations https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/oncolor-naturals-colorants https://www.avient.com/products/thermoplastic-elastomers/resound-om-thermoplastic-elastomers https://www.avient.com/products/engineered-polymer-formulations/eco-conscious-formulations/eccoh-low-smoke-and-fume-non-halogen-formulations https://www.avient.com/products/screen-printing-inks/zodiac-aquarius/aquarius-soft-base-ink https://www.avient.com/products/fiber-solutions/magiq-fiber-additives/magiq-non-woven-electret-plus Enabling A Circular Economy Circular Economy Highlighted Solutions: ColorMatrix™ Amosorb™ Oxygen Scavenger for PET Creates an active barrier against oxygen ingress to help enhance product protection and extend shelf life. HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Goals & Metrics | Indices Sustainability Report | 2019 48 https://www.avient.com/products/engineered-polymer-formulations/high-temperature-polymer-formulations/complēt-long-fiber-reinforced-structural-thermoplastics https://www.avient.com/products/advanced-composites/continuous-fiber-composite-tape-laminates-and-barstock/polystrand-continuous-fiber-tapes-laminates https://www.avient.com/products/thermoplastic-elastomers/resound-om-thermoplastic-elastomers https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/oncolor-bio-colorants https://www.avient.com/products/thermoplastic-elastomers/onflex-thermoplastic-elastomers Our Solutions…In Action Case Studies in Sustainability All of our work—from idea, to design, to R&D, and through to commercialization—culminates when our customers’ products are brought to market.

OnColor™ Naturals—Colorants for Recyclable Packaging reSound™ OM Thermoplastic Elastomers Eco-Conscious Offers alternatives to traditional materials such as lead, bisphenol-A (BPA), phthalates, halogens or thermoset rubbers. ECCOH™ Low Smoke and Fume Non-Halogen Formulations Zodiac™ Aquarius™ Water Based Screen Printing Inks MagIQ™ Non-Woven Electret Plus Technology Example Products and Sustainable Outcomes HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Goals & Metrics | Indices Sustainability Report | 2019 41 https://www.avient.com/products/engineered-polymer-formulations/eco-conscious-formulations/edgetek-ld https://www.avient.com/products/engineered-polymer-formulations/high-temperature-polymer-formulations/complēt-long-fiber-reinforced-structural-thermoplastics https://www.avient.com/products/polymer-additives/oxygen-scavengers/colormatrix-amosorb-low-haze https://www.avient.com/products/polymer-additives/processing-enhancement-additives/oncap-multi-purge-additives https://www.avient.com/products/polymer-additives/processing-enhancement-additives/oncap-ctr https://www.avient.com/products/polymer-additives/reheat-additives-pet/colormatrix-joule-reheat-additive-pet https://www.avient.com/products/thermoplastic-elastomers/onflex-thermoplastic-elastomers https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/oncolor-fx-special-effect https://www.avient.com/products/engineered-polymer-formulations/flame-retardant-formulations/syncure-crosslinked-polyethylene-formulations https://www.avient.com/products/advanced-composites/pultrusion-and-continuous-filament-winding-technology/glasforms-pultruded-rods-tubes-custom-profiles https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/oncolor-ir-sortable-black-recyclable-packaging https://www.avient.com/products/engineered-polymer-formulations/eco-conscious-formulations/nymax-pir-and-resound-r-nd-recycled-nylon-formulations https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/oncolor-naturals-colorants https://www.avient.com/products/thermoplastic-elastomers/resound-om-thermoplastic-elastomers https://www.avient.com/products/engineered-polymer-formulations/eco-conscious-formulations/eccoh-low-smoke-and-fume-non-halogen-formulations https://www.avient.com/products/screen-printing-inks/zodiac-aquarius/aquarius-soft-base-ink https://www.avient.com/products/fiber-solutions/magiq-fiber-additives/magiq-non-woven-electret-plus Enabling A Circular Economy Circular Economy Highlighted Solutions: ColorMatrix™ Amosorb™ Oxygen Scavenger for PET Creates an active barrier against oxygen ingress to help enhance product protection and extend shelf life. HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Goals & Metrics | Indices Sustainability Report | 2019 48 https://www.avient.com/products/engineered-polymer-formulations/high-temperature-polymer-formulations/complēt-long-fiber-reinforced-structural-thermoplastics https://www.avient.com/products/advanced-composites/continuous-fiber-composite-tape-laminates-and-barstock/polystrand-continuous-fiber-tapes-laminates https://www.avient.com/products/thermoplastic-elastomers/resound-om-thermoplastic-elastomers https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/oncolor-bio-colorants https://www.avient.com/products/thermoplastic-elastomers/onflex-thermoplastic-elastomers Our Solutions…In Action Case Studies in Sustainability All of our work—from idea, to design, to R&D, and through to commercialization—culminates when our customers’ products are brought to market.

OnColor™ Naturals—Colorants for Recyclable Packaging reSound™ OM Thermoplastic Elastomers OnColor™ BIO Concentrates with OK Compost Certification Eco-conscious Offers alternatives to traditional materials such as lead, bisphenol-A (BPA), phthalates, halogens or thermoset rubbers. Zodiac™ Aquarius™ Water Based Screen Printing Inks Versaflex™ HC Thermoplastic Elastomers Example Products and Sustainable Outcomes HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2020 42 https://www.avient.com/products/polymer-additives/foaming-agents/hydrocerol-chemical-foaming-and-nucleating-agents https://www.avient.com/products/engineered-polymer-formulations/eco-conscious-formulations/edgetek-ld https://www.avient.com/sites/default/files/2020-12/complet-and-onforce-lft-processing-guide.pdf https://www.polyone.com/products/polymer-additives/oxygen-scavengers/colormatrix-amosorb-low-haze https://www.fiber-line.com/en/processes/twisting https://www.avient.com/products/engineered-polymer-formulations/eco-conscious-formulations/eccoh-low-smoke-and-fume-non-halogen-formulations https://www.avient.com/products/polymer-colorants/color-additive-combination-masterbatches/smartbatch-color-additive-concentrates https://www.avient.com/products/polymer-additives/processing-enhancement-additives/oncap-ctr-concentrates https://www.avient.com/products/polymer-additives/reheat-additives-pet/colormatrix-joule-reheat-additive-pet https://www.avient.com/products/engineered-polymer-formulations/general-engineered-formulations/artisan-pre-colored-thermoplastics-paint-replacement https://www.avient.com/products/polymer-colorants/liquid-color-concentrates/hiformer-liquid-masterbatches https://www.avient.com/products/thermoplastic-elastomers/onflex-thermoplastic-elastomers https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/oncolor-fx-special-effect https://www.avient.com/products/polymer-additives/performance-enhancement-additives/mevopur-functional-additives https://www.avient.com/products/thermoplastic-elastomers/versaflex-hc-thermoplastic-elastomers https://www.avient.com/products/polymer-additives/acetaldehyde-scavengers-pet/colormatrix-aazure-acetaldehyde-control-technology-pet https://www.avient.com/products/polymer-additives/acetaldehyde-scavengers-pet/colormatrix-aazure-acetaldehyde-control-technology-pet https://www.avient.com/products/polymer-additives/performance-enhancement-additives/cesa-ir-black-additives https://www.avient.com/products/engineered-polymer-formulations/eco-conscious-formulations/nymax-pir-and-resound-r-nd-recycled-nylon-formulations https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/oncolor-naturals-colorants https://www.avient.com/products/thermoplastic-elastomers/resound-om-thermoplastic-elastomers https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/oncolor-bio-colorants https://www.avient.com/products/screen-printing-inks/zodiac-aquarius/aquarius-soft-base-ink https://www.avient.com/products/thermoplastic-elastomers/versaflex-hc-thermoplastic-elastomers What is a circular economy*? HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2020 49 https://www.avient.com/sites/default/files/2020-12/complet-and-onforce-lft-processing-guide.pdf https://www.avient.com/products/advanced-composites/continuous-fiber-composite-tape-laminates-and-barstock/polystrand-continuous-fiber-tapes-laminates https://www.avient.com/products/thermoplastic-elastomers/resound-om-thermoplastic-elastomers https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/oncolor-bio-colorants https://www.avient.com/products/thermoplastic-elastomers/onflex-thermoplastic-elastomers Our Solutions…In Action Case Studies in Sustainability All of our work—from idea, to design, to R&D, and through to commercialization—culminates when our customers’ products are brought to market.

Versaflex OM 6258 improves haptics and vibration damping for power tool handle  reSound™ OM TPEs Glow-in-the-dark controller grips gain comfortable advantage with Versaflex™ OM

Comparison of Cumulative Total Return to Shareholders PolyOne Corporation S&P 500 Index S&P Mid Cap Chemicals POL 0% 25% 50% 75% 100% 0% 25% 50% 75% 100% C om pe ns at io n % ile 2014 - 2016 TSR Performance %ile Peer Group Pay vs. Web Coated \050SWOP\051 v2) /sRGBProfile (sRGB IEC61966-2.1) /CannotEmbedFontPolicy /Error /CompatibilityLevel 1.3 /CompressObjects /Off /CompressPages true /ConvertImagesToIndexed true /PassThroughJPEGImages false /CreateJobTicket false /DefaultRenderingIntent /Default /DetectBlends true /DetectCurves 0.1000 /ColorConversionStrategy /LeaveColorUnchanged /DoThumbnails false /EmbedAllFonts true /EmbedOpenType false /ParseICCProfilesInComments true /EmbedJobOptions true /DSCReportingLevel 0 /EmitDSCWarnings false /EndPage -1 /ImageMemory 1048576 /LockDistillerParams true /MaxSubsetPct 100 /Optimize true /OPM 1 /ParseDSCComments true /ParseDSCCommentsForDocInfo true /PreserveCopyPage true /PreserveDICMYKValues true /PreserveEPSInfo true /PreserveFlatness true /PreserveHalftoneInfo false /PreserveOPIComments false /PreserveOverprintSettings false /StartPage 1 /SubsetFonts true /TransferFunctionInfo /Preserve /UCRandBGInfo /Preserve /UsePrologue false /ColorSettingsFile () /AlwaysEmbed [ true ] /NeverEmbed [ true ] /AntiAliasColorImages false /CropColorImages true /ColorImageMinResolution 300 /ColorImageMinResolutionPolicy /OK /DownsampleColorImages true /ColorImageDownsampleType /Bicubic /ColorImageResolution 100 /ColorImageDepth -1 /ColorImageMinDownsampleDepth 1 /ColorImageDownsampleThreshold 1.00000 /EncodeColorImages true /ColorImageFilter /DCTEncode /AutoFilterColorImages false /ColorImageAutoFilterStrategy /JPEG /ColorACSImageDict > /ColorImageDict > /JPEG2000ColorACSImageDict > /JPEG2000ColorImageDict > /AntiAliasGrayImages false /CropGrayImages true /GrayImageMinResolution 300 /GrayImageMinResolutionPolicy /OK /DownsampleGrayImages true /GrayImageDownsampleType /Bicubic /GrayImageResolution 100 /GrayImageDepth -1 /GrayImageMinDownsampleDepth 2 /GrayImageDownsampleThreshold 1.00000 /EncodeGrayImages true /GrayImageFilter /DCTEncode /AutoFilterGrayImages false /GrayImageAutoFilterStrategy /JPEG /GrayACSImageDict > /GrayImageDict > /JPEG2000GrayACSImageDict > /JPEG2000GrayImageDict > /AntiAliasMonoImages false /CropMonoImages true /MonoImageMinResolution 1200 /MonoImageMinResolutionPolicy /OK /DownsampleMonoImages true /MonoImageDownsampleType /Bicubic /MonoImageResolution 150 /MonoImageDepth -1 /MonoImageDownsampleThreshold 2.00000 /EncodeMonoImages true /MonoImageFilter /CCITTFaxEncode /MonoImageDict > /AllowPSXObjects false /CheckCompliance [ /None ] /PDFX1aCheck false /PDFX3Check false /PDFXCompliantPDFOnly false /PDFXNoTrimBoxError true /PDFXTrimBoxToMediaBoxOffset [ 0.00000 0.00000 0.00000 0.00000 ] /PDFXSetBleedBoxToMediaBox true /PDFXBleedBoxToTrimBoxOffset [ 0.00000 0.00000 0.00000 0.00000 ] /PDFXOutputIntentProfile (None) /PDFXOutputConditionIdentifier () /PDFXOutputCondition () /PDFXRegistryName () /PDFXTrapped /False /CreateJDFFile false /Description

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$0 $50 $100 $150 $200 $250 $300 $350 12/31/10 12/31/11 12/31/12 12/31/13 12/31/14 12/31/15 Comparison of Cumulative Total Return to Shareholders PolyOne Corporation S&P 500 Index S&P Mid Cap Chemicals POL 0% 25% 50% 75% 100% 0% 25% 50% 75% 100% C om pe ns at io n % ile 2014 - 2015 TSR Performance %ile Peer Group Pay vs.

One of the most impactful ways we can help our customers is enabling solutions that advance a circular economy and/or reduce their carbon footprint. 62% Recycled ContentVersaflex™ TPE 100%rPET ContentcolorMatrix™ Toners & Processing Aids 30-50% Bio-Renewable ContentreSound™ OM TPEs60% CO2 ReductionEdgetek™ PKE *(Source: https://www.ellenmacarthurfoundation.org/circular-economy/concept) HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Metrics | IndexHOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2021 43 https://www.nature.org/en-us/get-involved/how-to-help/carbon-footprint-calculator/ https://www.newsweek.com/americas-most-responsible-companies-2021 How Our Products Enable Sustainability Avient defines our Sustainability Portfolio in the eight ways in which we help our customers meet their innovation and sustainability goals through material science.

Web Coated \050SWOP\051 v2) /sRGBProfile (sRGB IEC61966-2.1) /CannotEmbedFontPolicy /Error /CompatibilityLevel 1.3 /CompressObjects /Off /CompressPages true /ConvertImagesToIndexed true /PassThroughJPEGImages false /CreateJobTicket false /DefaultRenderingIntent /Default /DetectBlends true /DetectCurves 0.1000 /ColorConversionStrategy /LeaveColorUnchanged /DoThumbnails false /EmbedAllFonts true /EmbedOpenType false /ParseICCProfilesInComments true /EmbedJobOptions true /DSCReportingLevel 0 /EmitDSCWarnings false /EndPage -1 /ImageMemory 1048576 /LockDistillerParams true /MaxSubsetPct 100 /Optimize true /OPM 1 /ParseDSCComments true /ParseDSCCommentsForDocInfo true /PreserveCopyPage true /PreserveDICMYKValues true /PreserveEPSInfo true /PreserveFlatness true /PreserveHalftoneInfo false /PreserveOPIComments false /PreserveOverprintSettings false /StartPage 1 /SubsetFonts true /TransferFunctionInfo /Preserve /UCRandBGInfo /Preserve /UsePrologue false /ColorSettingsFile () /AlwaysEmbed [ true ] /NeverEmbed [ true ] /AntiAliasColorImages false /CropColorImages true /ColorImageMinResolution 300 /ColorImageMinResolutionPolicy /OK /DownsampleColorImages true /ColorImageDownsampleType /Bicubic /ColorImageResolution 100 /ColorImageDepth -1 /ColorImageMinDownsampleDepth 1 /ColorImageDownsampleThreshold 1.00000 /EncodeColorImages true /ColorImageFilter /DCTEncode /AutoFilterColorImages false /ColorImageAutoFilterStrategy /JPEG /ColorACSImageDict > /ColorImageDict > /JPEG2000ColorACSImageDict > /JPEG2000ColorImageDict > /AntiAliasGrayImages false /CropGrayImages true /GrayImageMinResolution 300 /GrayImageMinResolutionPolicy /OK /DownsampleGrayImages true /GrayImageDownsampleType /Bicubic /GrayImageResolution 100 /GrayImageDepth -1 /GrayImageMinDownsampleDepth 2 /GrayImageDownsampleThreshold 1.00000 /EncodeGrayImages true /GrayImageFilter /DCTEncode /AutoFilterGrayImages false /GrayImageAutoFilterStrategy /JPEG /GrayACSImageDict > /GrayImageDict > /JPEG2000GrayACSImageDict > /JPEG2000GrayImageDict > /AntiAliasMonoImages false /CropMonoImages true /MonoImageMinResolution 1200 /MonoImageMinResolutionPolicy /OK /DownsampleMonoImages true /MonoImageDownsampleType /Bicubic /MonoImageResolution 150 /MonoImageDepth -1 /MonoImageDownsampleThreshold 2.00000 /EncodeMonoImages true /MonoImageFilter /CCITTFaxEncode /MonoImageDict > /AllowPSXObjects false /CheckCompliance [ /None ] /PDFX1aCheck false /PDFX3Check false /PDFXCompliantPDFOnly false /PDFXNoTrimBoxError true /PDFXTrimBoxToMediaBoxOffset [ 0.00000 0.00000 0.00000 0.00000 ] /PDFXSetBleedBoxToMediaBox true /PDFXBleedBoxToTrimBoxOffset [ 0.00000 0.00000 0.00000 0.00000 ] /PDFXOutputIntentProfile (None) /PDFXOutputConditionIdentifier () /PDFXOutputCondition () /PDFXRegistryName () /PDFXTrapped /False /CreateJDFFile false /Description