North / Central America South America Europe Middle East/ Asia Africa Australia/ Oceania Antigua & Barbuda Argentina Aland Islands Georgia Poland Afghanistan Laos Tajikistan Algeria Namibia Australia Canada Belize Albania Germany Portugal Azerbaijan Lebanon Thailand Angola Nigeria Fiji Costa Rica Bolivia Armenia Greece Romania Bahrain Malaysia Turkey Botswana Senegal French Polynesia Dominican Republic Brazil Austria Hungary San Marino Bangladesh Maldives Turkmenistan Egypt South Africa Guam El Salvador Chile Belarus Iceland Serbia Cambodia Myanmar United Arab Emir. D o ll ar ( $) M il li o n s 2017 2018 2019 2020 2021 2022 2023 $90 from products introduced in the last 5 years 37% of sales Revenue from Sustainable Solutions* Vitality Index Investment in Innovation *Avient Sustainable Solutions definitions aligned with FTC 2012 Guide for the Use of Environmental Marketing Claims (“Green Guides”) (1)2020 is Pro Forma to include full year of the Clariant Color business (2)2022 is Pro Forma for the acquisition of APM and the divestiture of Distribution 0 200 400 600 800 1000 1200 1400 2016 2017 2018 2019 2020(1) 2021 2022(2) 2023 $550M $405M $915M $1,135M 8% Organic CAGR Sustainable Solutions represent 90% of the Innovation Pipeline $1,175M $790M $455M $340M HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | IndexHOME | Contents | Message from the CEO | About Us | People | Sustainability Report | 2023 38 Advancing a Circular Economy As the world continues to shift from operating in a linear economy to a circular economy, Avient is proud to be a part of the solution.

$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.

North / Central America South America Europe Middle East/ Asia Africa Australia/ Oceania Canada Argentina Aland Islands Georgia Norway Afghanistan Laos Tajikistan Algeria Morocco Australia Costa Rica Belize Albania Germany Poland Azerbaijan Lebanon Thailand Angola Nigeria Fiji Dominican Republic Bolivia Armenia Greece Portugal Bahrain Malaysia Türkiye Benin Senegal French Polynesia El Salvador Brazil Austria Hungary Romania Bangladesh Maldives Turkmenistan Botswana South Africa Martinique Guatemala Chile Belarus Iceland San Marino Cambodia Myanmar United Arab Emir. D o ll ar ( $) M il li o n s 2017 2018 2019 2020 2021 2022 $85 FROM PRODUCTS INTRODUCED IN THE LAST 5 YEARS 33% of specialty sales Revenue from Sustainable Solutions* 2016–2022 Lightweighting Eco-conscious Recycle Solutions VOC Reduction Sustainable Infrastructure Human Health & Safety Reduced Energy Use Biopolymers * Avient Sustainable Solutions definitions aligned with FTC 2012 Guide for the Use of Environmental Marketing Claims (“Green Guides”) (1) 2020 is Pro Forma to include full year of the Clariant Color business (2) 2022 is Pro Forma for the acquisition of APM and the divestiture of Distribution 2016 2017 2018 2019 2020PF(1) 2021 2022PF(2) $790M $550M $405M $455M $340M $915M $1,175M Vitality Index 11% Organic CAGR Investment in Innovation HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | IndexHOME | Contents | Message from the CEO | About Us | People | Sustainability Report | 2022 42 Reducing Carbon Footprint What is carbon footprint?

North / Central America South America Europe Middle East/ Asia Africa Australia/ Oceania Canada Argentina Aland Islands Georgia Norway Afghanistan Kyrgyzstan South Korea Algeria Mauritius Australia Costa Rica Belize Armenia Germany Poland Azerbaijan Kuwait Sri Lanka Angola Morocco Fiji Dominican Republic Bolivia Austria Greece Portugal Bahrain Lebanon Tajikistan Benin Nigeria French Polynesia El Salvador Brazil Belarus Hungary Romania Bangladesh Malaysia Thailand Cameroon Senegal Martinique Guatemala Chile Belgium Iceland San Marino Bhutan Maldives Turkey Egypt South Africa New Caledonia Haiti Colombia Bosnia Herzegovina Ireland Serbia Cambodia Myanmar United Arab Emir. D o ll ar ( $) M il li o n s 2017 2018 2019* 2020* $69 *Pro Forma for the Clariant Masterbatch business HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2020 40Sustainability Report | 2020 40 No Surprises PledgeSM At Avient, we are committed to helping you grow your business with safe and environmentally sound solutions.

North / Central America South America Europe Middle East/ Asia Africa Australia/ Oceania Canada Argentina Aland Islands Georgia North Macedonia Afghanistan Kyrgyzstan South Korea Algeria Mauritius Australia Costa Rica Belize Armenia Germany Norway Azerbaijan Kuwait Sri Lanka Angola Morocco Fiji Dominican Republic Bolivia Austria Greece Poland Bahrain Lebanon Tajikistan Benin Nigeria French Polynesia El Salvador Brazil Belarus Hungary Portugal Bangladesh Malaysia Thailand Botswana Senegal Martinique Guatemala Chile Belgium Iceland Romania Bhutan Maldives Türkiye Cameroon South Africa New Caledonia Haiti Colombia Bosnia Herzegovina Ireland San Marino Cambodia Myanmar Turkmenistan D.R. D o ll ar ( $) M il li o n s 2017 2018 2019 2020 2021 $83 *Avient Sustainable Solutions definitions aligned with FTC 2012 Guide for the Use of Environmental Marketing Claims (“Green Guides”) ^2020 is Pro forma to include full year of the Clariant Color business Revenue from Sustainable Solutions* 2016–2021 Lightweighting Eco-conscious Sustainable Infrastructure Human Health & Safety Reduced Energy Use Bio-polymers Recycle Solutions VOC Reduction 2016 2017 2018 2019 2020PF^ 2021 $915M $790M $550M $405M $455M $340M 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 42 Reducing Carbon Footprint What is a carbon footprint*?

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% Co m pe ns at io n % ile 2014 - 2016 TSR Performance %ile Peer Group Pay vs.

EPS GROWTH *EPS excluding special items and income from equity affiliates ^2009 has not been restated for subsequent changes in accounting principles or discontinued operations 2011 2012 2013 2014 2015 2016 2009 2010 2011 2012 2013 2014 2015 2016 ANNUAL REPORT 2016 750 600 450 300 150 0 ANNUAL DIVIDEND CUMULATIVE SHARE REPURCHASES C U M U LA TI V E S H A R E R E P U R C H A S E S ($ M IL LI O N S) $850 M ILLIO N SIN CE 2011 $697 $2.13 12 +20 +29 +45 +61 +78 5 POLYONE CORPORATION United States Securities and Exchange Commission Washington, DC 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2016 TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to .

$ D O LL A R S 2007 2008 2009 2010 2011 .25 .50 .75 1.00 1.25 ADJUSTED EARNINGS PER SHARE^ 278% INCREASE SINCE 2007 % O F O P ER AT IN G IN C O M E 2007 2008 2009 2010 2011 20 40 60 80 100 OPERATING MIX SHIFT* JOINT VENTURES PP&S DISTRIBUTION SPECIALTY P ER C EN TA G E 2007 2008 2009 2010 2011 1.5 3.0 4.5 6.0 7.5 ADJUSTED RETURN ON SALES∆ *Operating Income excludes Corporate Charges OPERATIONAL PERFORMANCE SPECIALTY PLATFORM OPERATING INCOME $ M IL LI O N S 20 40 60 80 100 2007 2008 2009 2010 2011 192% INCREASE SINCE 2007 91% INCREASE SINCE 2007 ^EPS excluding special items and equity income from SunBelt SAFETY — INJURY INCIDENCE RATEº 2007 2008 2009 2010 2011 .25 .50 .75 1.0 1.25 “WORLD-CLASS” PERFORMANCE IN JU R Y IN C ID EN C E R AT E ºNumber of injuries per 100 full-time associates P ER C EN TA G E 2007 2008 2009 2010 2011 4 8 12 16 20 WORKING CAPITAL† — PERCENTAGE OF SALES “BEST-IN-CLASS” WORKING CAPITAL MANAGEMENT † Working capital is defined as accounts receivable plus inventories minus accounts payable ∆Operating income as a percentage of sales, excluding special items and equity income from SunBelt United States Securities and Exchange Commission Washington, DC 20549 FORM 10-K Í ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2011 ‘ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to .

Newlin Chairman, President and Chief Executive Officer March 21, 2014 5 DATE $ M IL LI O N S $ D O LL A R S ANNUAL REPORT 2013 Our values, strategy, commitment and execution are clearly evident in our recent financial performance.