You may see us use both terms, MSDS and SDS, as GHS becomes more familiar in all of our global market. Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1) You may see us use both terms, MSDS and SDS, as GHS becomes more familiar in all of our global market.

You may see us use both terms, MSDS and SDS, as GHS becomes more familiar in all of our global market. Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1) You may see us use both terms, MSDS and SDS, as GHS becomes more familiar in all of our global market.

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. And as we look to the future, we expect our sustainable solutions portfolio to gain even more importance among our customers and their end users. ⅓ OVER of Our Total Portfolio Represented by Sustainable Solutions 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 $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 | Products | Planet | Sustainability Report | 2023 67 The Highest Ethical Standards At Avient, we strive to create a world-class sustainable organization, by conducting business in a way that meets the needs of the present without compromising the ability of future generations to meet their own needs.

Newlin Chairman, President and Chief Executive Officer March 11, 2013 25+38+38 +73+74+95 19+15+9 +56+72+85 Operating Income % Specialty PP&S Distribution Specialty Platform Operating Income % of Total ROIC** (after-tax) 2007 3.2% 6.1% 3.0% 20% 7% 2012 9.1% 9.0% 6.4% 45% 11% 2015 TARGET 12%–16% 9%–12% 6%–7.5% 65%–75% 15% 2012 2011 2010 2009 2008 2007 0 20 40 60 80 100 120 $ millions SPECIALTY PLATFORM OPERATING INCOME 40+68+70 +86+84+902012 2011 2010 2009 2008 2007 0 10 20 30 40 50 60 % PERCENTAGE SPECIALTY PLATFORM OPERATING INCOME % OF TOTAL* 41+33+35 +70+79+932012 2011 2010 2009 2008 2007 0 1 2 3 4 5 6 7 8 % PERCENTAGE ADJUSTED RETURN ON SALES^ POLYONE STOCK (POL) PERFORMANCE VERSUS S&P 2012 2011 2010 2009 2008 2007 0 .20 .40 .60 .80 1.00 1.20 1.40 $ DOLLARS ADJUSTED EARNINGS PER SHARE† 0 .2 .4 .6 .8 1 1.2 *Operating income excludes corporate operating income SAFETY INJURY INCIDENCE RATE˚ 2012 2011 2010 2009 2008 2007 12.31.09 6.30.10 12.31.10 6.30.11 12.31.11 6.30.12 12.31.12 DATE 200 150 100 50 0 % P E R C E N TA G E POL S&P 600 CHEMICALS S&P 500 INJURY incidence rate 91+91+71 +54+47+45 ˚Number of injuries per 100 full time associates^Operating income excludes special items and equity income from SunBelt **ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period †EPS excluding special items and equity income from SunBelt POL 173% S&P 600 Chemicals 34% S&P 500 28% 5 ANNUAL REPORT 2012 Proof of Performance Our values, strategy, commitment and execution are clearly evident in our recent financial and operational performance.

NEXTGEN GRADUATES98 58% PROMOTED POLYMASTERS GRADUATES213 53% PROMOTED 0 64 128 192 256 320 Leadership Program Participants 20122012 20132013 20142014 20152015 20162016 20172017 20182018 20192019 311 263 216 169 125 86 47 0 HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Goals & Metrics | Indices Sustainability Report | 2019 25 Manager Training and Front-Line Engagement Managers of people and front-line workers in our operations received tailored communications and training for the unique requirements of their role in our success.

NEXTGEN GRADUATES98 58% PROMOTED POLYMASTERS GRADUATES213 53% PROMOTED 0 64 128 192 256 320 Leadership Program Participants 20122012 20132013 20142014 20152015 20162016 20172017 20182018 20192019 311 263 216 169 125 86 47 0 HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Goals & Metrics | Indices Sustainability Report | 2019 25 Manager Training and Front-Line Engagement Managers of people and front-line workers in our operations received tailored communications and training for the unique requirements of their role in our success.

On November 2, 2022, the Company redeemed the entire outstanding $600 million aggregate principal amount of the 5.25% Senior Notes due March 15, 2023. On November 2, 2022, the Company redeemed the entire outstanding $600 million aggregate principal amount of the 5.25% Senior Notes due March 15, 2023.

Select from: ☑ No (7.30.16.4) Consumption of purchased heat, steam, and cooling (MWh) 0 (7.30.16.5) Consumption of self-generated heat, steam, and cooling (MWh) 0 (7.30.16.6) Total electricity/heat/steam/cooling energy consumption (MWh) 3776.51 (7.30.16.7) Provide details of the electricity consumption excluded NA South Africa 320 (7.30.16.1) Consumption of purchased electricity (MWh) 784.83 (7.30.16.2) Consumption of self-generated electricity (MWh) 0 (7.30.16.3) Is some or all of this electricity consumption excluded from your RE100 commitment? Row 65 (9.3.1.1) Facility reference number Select from: ☑ Facility 13 (9.3.1.3) Value chain stage Select from: ☑ Direct operations (9.3.1.4) Dependencies, impacts, risks, and/or opportunities identified at this facility Select all that apply 599 ☑ Risks (9.3.1.5) Withdrawals or discharges in the reporting year Select from: ☑ Yes, withdrawals and discharges (9.3.1.7) Country/Area & River basin Thailand ☑ Other, please specify :Sa Keo (9.3.1.8) Latitude 0 (9.3.1.9) Longitude 0 (9.3.1.10) Located in area with water stress Select from: ☑ Yes (9.3.1.13) Total water withdrawals at this facility (megaliters) 0 (9.3.1.14) Comparison of total withdrawals with previous reporting year Select from: ☑ About the same (9.3.1.15) Withdrawals from fresh surface water, including rainwater, water from wetlands, rivers and lakes 600 0 (9.3.1.16) Withdrawals from brackish surface water/seawater 0 (9.3.1.17) Withdrawals from groundwater - renewable 0 (9.3.1.18) Withdrawals from groundwater - non-renewable 0 (9.3.1.19) Withdrawals from produced/entrained water 0 (9.3.1.20) Withdrawals from third party sources 0 (9.3.1.21) Total water discharges at this facility (megaliters) 0 (9.3.1.22) Comparison of total discharges with previous reporting year Select from: ☑ About the same (9.3.1.23) Discharges to fresh surface water 0 (9.3.1.24) Discharges to brackish surface water/seawater 601 0 (9.3.1.25) Discharges to groundwater 0 (9.3.1.26) Discharges to third party destinations 0 (9.3.1.27) Total water consumption at this facility (megaliters) 0 (9.3.1.28) Comparison of total consumption with previous reporting year Select from: ☑ About the same (9.3.1.29) Please explain Avient does not externally disclose water information at the site level.

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 .