AUTOMOTIVE SOLUTIONS IMPROVE ADVANCED DRIVER ASSISTANCE SYSTEM DESIGN WITH THERMALLY CONDUCTIVE FORMULATIONS Thermal management is an important consideration in the design of Advanced Driver Assistance Systems (ADAS).

Color & Additive Formulations for Biodegradable Resins & Blends Using a selected list of pigments and additives, Avient color experts know how to enhance biodegradable starch blends or PLA without affecting degradability of the resins.

Utilize materials that are formulated to be tough—from structural elements to scratch-resistant additives—and let your riders throw caution to the wind.

Our advanced pultrusion processing capabilities combined with chemistry formulation and material science expertise have made us leaders in the industry.

In 2015 this included a unique Engineered Material formulation based on our Gravi-Tech™ High Density Composite material. Various additives can be formulated with a base resin and further engineered into a structure to provide them with greater versatility and performance. Chief Operating Officer, Excel Polymers (a custom thermoset rubber formulator), November 2009 to December 2010.

For the same reasons, Avient is unable to address the probable significance of the unavailable information. 2 3 AVIENT OVERVIEW OUR VISION: Creating specialized and sustainable materials solutions that transform customer challenges into opportunities, bringing new products to life for a better world 2023 Financial ResultsCompany Overview Revenue By: 9,300 Employees 102 Manufacturing Sites 20,000+ Customers Key Highlights  Premier formulator of specialized and sustainable materials solutions  Asset-light business model, with flexibility to adapt to customer needs  Best-in-class technology and service (140+ PhDs / 2,500+ patents)  History of transformation through successful M&A while consistently returning cash to shareholders  Poised for continued future growth in excess of GDP $3.14B Revenue $2.36 Adjusted EPS $502M Adjusted EBITDA 16.0% Adjusted EBITDA Margins $186M Adjusted Free Cash Flow Over $1B in share buybacks since 2011 Raised dividend for 13 consecutive years, a 15% CAGR since 2011 U.S. & Canada EMEA Asia Latin America 64% 36% Specialty Engineered Materials Color Additives and Inks 41% 36% 18% 5% 7% 7% 23% 19% 9% 16% 10% 5% 4% Defense Healthcare Packaging Consumer Building & Construction Industrial Transportation Energy Telecom Geography Segment Industry 4 C R EAT I N G A WO R L D- C L A SS S US TA I NA B L E ORG A N I ZAT I ON 1. 6% annualized long term sales growth leveraging sustainable solutions, composites, healthcare and emerging regions 2. Further, as a result of Avient's portfolio shift to a pure play specialty formulator, it has completed several acquisitions and divestitures which have resulted in a significant amount of intangible asset amortization.

Our formulation expertise supports material science decisions, while our processing expertise guides customers to use the materials properly. W H AT W E D O : M AT E R I A L S C I E N C E 4 CUSTOM FORMULATION SUSTA INAB ILITY F OR A BETTER TOMOR ROW Revenue From Sustainable Solutions* 2016-2021 $310 205 140 80 75 45 40 20 $915M2021 Sales ($ in millions) *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 Future Growth Revenue Assumptions From Sustainable Solutions: 8 - 12% 5 Key Updates • Provided progress on 2030 Sustainability Goals • Emphasized commitment to U.N.

Our formulation expertise supports material science decisions, while our processing expertise guides customers to use the materials properly. W H AT W E D O : M AT E R I A L S C I E N C E 4 CUSTOM FORMULATION SUSTA INAB ILITY F OR A BETTER TOMOR ROW Revenue From Sustainable Solutions* 2016-2021 $310 205 140 80 75 45 40 20 $915M2021 Sales ($ in millions) *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 Future Growth Revenue Assumptions From Sustainable Solutions: 8 - 12% 5 Key Updates • Provided progress on 2030 Sustainability Goals • Emphasized commitment to U.N.

Various additives can be formulated with a base resin to provide it with greater versatility and performance. Our product offerings include: vinyl formulations and alloys, specialty vinyl resins, and specialty coating materials based largely on vinyl. We believe that Geon Performance Materials is the leading North American vinyl formulator, and the Geon name carries strong brand recognition.

It’s built for growth and will enable a more sustainable world through material science and formulation. Through a series of acquisitions and divestitures, the Company has transformed into a premier specialty formulator. Polymer Industry Overview Avient is a specialty formulator within the polymer industry.