The pigments and ingredients contained in Avient’s bio colorants have been tested in independent laboratories who assessed the compliancy of those materials according to standard EN 13432 for content of heavy metals, and toxicity to plants.

IMPROVED BOTTLE QUALITY +2% in neck weight +3% in body weight -12% in base weight 8.5g 0.5L bottle, 60% rPET Polymer Weight Distribution Based on commercially produced water bottles, 51,000bph Mechanical Strength Increasing SmartHeat RHC Concentration Based on PTI 14.4g 0.5L water bottles, Instron testing To p Lo ad (l bs ) 14 15 16 17 8 9 10 11 0 20 40 60 80 100 0 50 100 150 200 250 300 350 400 450 Burst Pressure Increasing SmartHeat RHC Concentration Based on 8.5g, 0.5L commercially produced water bottles Bu rs t P re ss ur e (B ar ) 14 15 16 17 8 9 10 11 0 20 40 60 80 100 0 50 100 150 200 250 300 350 400 450 REDUCED CO2 EMISSIONS Increasing SmartHeat RHC Concentration Based on a commercial process producing 8.5g 0.5L water bottles as 51,000bph 25% reduction in energy consumed during the bottle blowing process En er gy k W Reduce Energy Consumption SmartHeat RHC increases the heat-up rate for preforms, enabling energy reductions for the heating lamps used during the bottle blowing process.

TMA strain versus temperature measurement -2000 -1500 -1000 -500 0 D im en si on C ha ng e (µ m ) 20 40 60 80 100 120 140 160 180 200 Temperature (°C) ––––––– 224-020A-10N-HDT.003 – – – – 224-001A-HDT Universal V2.6D TA Instruments 3038 / ANTEC 2003 Figure 3.

Refer to PolyOne Internet site – About Us > Locate Us http://www.polyone.com/en- us/Pages/default.aspx Who can answer questions about PolyOne conformance to various “Right-to-Know” legislation (such as California Proposition 65)? PolyOne management will decide any future considerations for ISO 14001 registration. 8.0 Credit References Please contact your customer service representative to request specific references and related information. 9.0 Sustainability and No Surprises Pledge View policies at www.polyone.com http://www.polyone.com/en-us/docs/Documents/PolyOne%20No%20Surprises%20Pledge.pdf

Free cash flow conversion calculated as (EBITDA – Capex) / EBITDA Median: 81% Median: 78% HIGH FREE CASH FLOW CONVERSION Avient reflects 2021 estimated EBITDA of $580M and excludes one-time synergy capture CAPEX ($20M) Source: Peer data per Bloomberg market data as of July 28, 2021 87 90 86 82 80 78 73 87 82 82 79 79 78 78 77 76 71 67 46 A vi en t K W R P P G A V Y F U L R P M G C P F M C U N V R C E IF F A S H E C L B N R E M N H X L H U N K R A S C L A L B (6) Source: Peer data per Bloomberg market data as of July 28, 2021 Total Enterprise Value / 2021E EBITDA Our current valuation with updated guidance implies an EBITDA multiple that is below specialty formulator peers and the median of other selected chemical / specialty companies. With the Clariant Masterbatch acquisition and divestment of the PP&S business, our exposure is now concentrated in less-cyclical and high-growth markets, with increased geographic diversification and a more specialized portfolio that can significantly expand EBITDA margins. 25 Avient reflects 2021 estimated EBITDA of $580M OUR VALUATION VERSUS PEERS Avient Specialty Formulators Other Chemical/Specialty Companies 9.5 18.5 15.1 15.1 14.0 11.0 10.4 29.5 28.2 23.9 18.7 12.4 12.2 11.1 9.3 9.2 9.2 7.6 7.6 6.0 A vi en t K W R P P G A V Y R P M F U L G C P A L B H X L E C L IF F F M C B N R A S H S C L E M N U N V R K R A C E H U N Median: 11.1xMedian: 14.6x SUMMARY: WHY INVEST IN AVIENT?

Maipu, Chile 54. HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2020 60 https://www.avient.com/sites/default/files/2021-05/supplier-code-of-conduct-210501.pdf https://www.ilo.org/global/lang--en/index.htm https://www.ilo.org/global/lang--en/index.htm https://www.avient.com/company/policies-and-governance/colormatrix-europe-limited-modern-slavery-and-human-trafficking-statement https://ecovadis.com/suppliers/ Association of Plastic Recyclers (APR) APR promotes development of the plastics recycling industry by providing leadership for long-term industry growth and vitality. HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2020 67Sustainability Report | 2020 67 https://endplasticwaste.org/about/ https://endplasticwaste.org/en/news?

Dominic Townsend, President Effective Date: 22 March 2024 Expiration Date: 28 February 2025 Revision Date: 22 March 2024 Avient Corporation - Maipu, Chile Camino a Melipilla 15.170 Maipu, Región Metropolitana de Santiago 9250000 Chile Design and Manufacture of Colorants and Additives Concentrates and Specialty Compounds for Thermo Plastic Resin. 65536-116978Certificate No: Page 27 of 53 ABS Quality Evaluations ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A.

Argentina Belgium Brazil Canada Chile China Colombia Czechia Finland France Germany Guatemala Hungary India Indonesia Ireland Italy Luxembourg Malaysia Mexico Netherlands New Zealand Pakistan Peru Poland Saudi Arabia Singapore South Africa Spain Sweden Taiwan, Greater China Thailand Turkey United Kingdom of Great Britain and Northern Ireland United States of America Viet Nam C0.4 (C0.4) Select the currency used for all financial information disclosed throughout your response. Country/Region Scope 1 emissions (metric tons CO2e) Belgium 953 Canada 454 China 49 France 499 Germany 1,260 Hungary 106 Italy 722 Netherlands 7 Poland 130 Saudi Arabia 9 Spain 149 Thailand 7 United Kingdom of Great Britain and Northern Ireland 127 United States of America 13,041 Finland 35 India 179 Turkey 232 Singapore 22 Guatemala 16 Pakistan 275 Argentina 28 Avient CDP Climate Change Questionnaire 2021 Tuesday, August 3, 2021 64 South Africa 38 Indonesia 13 Chile 0.003 Sweden 62 Colombia 13 C7.3 (C7.3) Indicate which gross global Scope 1 emissions breakdowns you are able to provide. Country/Region Scope 2, location- based Scope 2, market- based Purchased and consumed electricity, heat, Purchased and consumed low-carbon electricity, heat, steam or Avient CDP Climate Change Questionnaire 2021 Tuesday, August 3, 2021 65 (metric tons CO2e) (metric tons CO2e) steam or cooling (MWh) cooling accounted for in Scope 2 market-based approach (MWh) Belgium 1,348 1,195 6,704 335 Brazil 444 444 4,448 0 Canada 334 334 2,530 0 China 21,484 21,484 34,853 0 Czechia 185 36 373 312 Finland 131 346 1,117 0 France 658 516 11,948 0 Germany 8,802 9,812 21,936 5,834 Hungary 644 725 2,537 0 India 5,362 5,362 7,135 0 Italy 6,204 1,063 20,146 17,864 Luxembourg 35 100 222 0 Mexico 1,711 1,711 3,750 0 Netherlands 250 332 598 0 Peru 36 36 182 0 Poland 2,499 2,857 3,523 0 Saudi Arabia 8,214 8,214 15,865 0 Singapore 1,161 1,161 2,984 0 Spain 6,992 9,236 26,952 0 Thailand 4,369 4,369 9,016 0 United Kingdom of Great Britain and Northern Ireland 350 531 1,527 0 United States of America 51,565 5,458 121,433 100,004 Turkey 3,317 3,317 7,119 0 Guatemala 252 252 660 0 Pakistan 1,218 1,218 3,101 0 Argentina 289 212 897 240 South Africa 830 830 927 0 Indonesia 1,111 1,111 1,451 0 Chile 46 46 114 0 Sweden 25 0 1,883 1,883 New Zealand 225 225 2,073 0 Avient CDP Climate Change Questionnaire 2021 Tuesday, August 3, 2021 66 Viet Nam 338 338 743 0 Colombia 375 375 2,338 0 Ireland 350 524 1,057 0 Malaysia 461 461 697 0 Taiwan, Greater China 3,348 3,348 5,991 0 C7.6 (C7.6) Indicate which gross global Scope 2 emissions breakdowns you are able to provide.

Argentina Belgium Brazil Canada Chile Avient CDP Climate Change Questionnaire 2022 Friday, July 29, 2022 3 China Colombia Finland France Germany Guatemala Hungary India Indonesia Ireland Italy Luxembourg Malaysia Mexico Netherlands New Zealand Pakistan Peru Poland Saudi Arabia Singapore South Africa Spain Sweden Taiwan, China Thailand Turkey United Kingdom of Great Britain and Northern Ireland United States of America Viet Nam C0.4 (C0.4) Select the currency used for all financial information disclosed throughout your response. Country/Region Scope 1 emissions (metric tons CO2e) Belgium 871 Canada 492 Avient CDP Climate Change Questionnaire 2022 Friday, July 29, 2022 71 China 26 France 443 Germany 1,295 Hungary 114 Italy 699 Netherlands 60 Poland 165 Saudi Arabia 9 Spain 630 Thailand 5 United Kingdom of Great Britain and Northern Ireland 220 United States of America 12,415 Finland 61 India 154 Turkey 216 Singapore 30 Guatemala 17 Pakistan 168 Argentina 32 South Africa 27 Indonesia 13 Chile 0.001 Sweden 73 Colombia 6 C7.3 (C7.3) Indicate which gross global Scope 1 emissions breakdowns you are able to provide. No Country/area Chile Consumption of electricity (MWh) 125.99 Consumption of heat, steam, and cooling (MWh) 0 Total non-fuel energy consumption (MWh) [Auto-calculated] 125.99 Is this consumption excluded from your RE100 commitment?

Free cash flow conversion calculated as (EBITDA – Capex) / EBITDA HIGH FREE CASH FLOW CONVERSION Avient reflects 2021 estimated EBITDA of $580M and estimated CAPEX of $80M (excludes one-time synergy capture CAPEX of $20M) Source: Peer data per Bloomberg market data as of October 25, 2021 86 92 85 82 79 77 74 89 83 82 80 79 79 78 78 72 33 A vi en t K W R P P G A V Y F U L R P M G C P F M C U N V R C E H X L B N R A S H E C L E M N H U N S C L A L B (12) Source: Peer data per Bloomberg market data as of October 25, 2021 Total Enterprise Value / 2021E EBITDA Our current valuation with updated guidance implies an EBITDA multiple that is below specialty formulator peers and the median of other selected chemical / specialty companies. With the Clariant Color business acquisition and divestment of the PP&S business, our exposure is now concentrated in less-cyclical and high-growth markets, with increased geographic diversification and a more specialized portfolio that can significantly expand EBITDA margins. 24 Avient reflects 2021 estimated EBITDA of $580M OUR VALUATION VERSUS PEERS Avient Specialty Formulators Other Chemical/Specialty Companies 11.0 18.3 16.3 15.4 14.5 11.6 11.1 36.2 28.0 24.9 13.0 11.5 11.3 10.0 9.2 8.8 7.7 6.7 A vi en t K W R P P G A V Y R P M F U L G C P A L B H X L E C L A S H F M C B N R S C L U N V R E M N C E H U N SUMMARY: WHY INVEST IN AVIENT?