Colorants & Additives This portfolio includes the recent addition of Mevopur bio-based polymer solutions, which are color and additive masterbatches based on bio-polyethylene resins that have up to 95 percent bio-based content. Trilliant™ HC8900 Thermoplastics are chemically resistant polymers that offer improved resistance to harsh chemicals and hospital-grade disinfectants compared to other flame-resistant (FR) polymers such as PC/ABS, PC/PET, and copolyester.

Mevopur™ Healthcare Bio-based Polymer Solutions Colorant and functional additive solutions formulated with bio-based polymers to reduce the carbon footprint of medical plastics. Antimicrobial corrosion and chemical resistant formulations to solve your medical application challenges

Polymer Colorants Mevopur™ Colorants and Additives - Healthcare Polymer Solutions Resist Chemical Attack

Chemical & Corrosion Resistant Formulations Excelite™ Chemical Foaming Additives Hydrocerol™ Chemical Foaming Agents

Chemical & Corrosion Resistant Formulations Excelite™ Chemical Foaming Additives Hydrocerol™ Chemical Foaming Agents

SOFT-TOUCH GRIPS HIT THE COMFORT ZONE APPLICATION BULLETIN TPE—THE TOUGH SOFTIE As consumers, we want products that are dishwasher safe, resistant to chemicals and are able to stand up to everyday wear and tear. Consumer products that use a TPE grip have been used extensively to provide ergonomic benefits, particularly for usability and safety. COLOR: TPEs can be customized with bright colors and special effects such as glimmers, sparkles and pearlescents, as well as shine levels such as eye-catching high gloss, which conveys a high-tech, high-fashion aesthetic.

Many of our easy-to-process concentrates are suitable for multiple polymers Overview of how Avient serves wire & cable customers, highlighting both power and data cables technologies Polymer Colorants

Polymer Colorants Corrugated Sheet ColorMatrix™ Liquid Color Concentrates achieved the beige color target with a uniform coloring process, ensuring a highquality sheet appearance

Chemical & Corrosion Resistant Formulations Excelite™ Chemical Foaming Additives Hydrocerol™ Chemical Foaming Agents

Pro Forma Financial Information Avient acquired the Clariant Color business on July 1, 2020 (the “Acquisition Date”). To provide comparable financial results, Avient references “pro forma” financial metrics, which include the business results of Clariant Color for periods prior to the Acquisition Date. Annual Purchases RAW MATERIAL AND SUPPLY CHAIN UPDATE Based on 2021 purchases, excludes Distribution business SEGMENT DATA U.S. & Canada 50% Latin America 2021 SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS 19% Building and END MARKET REVENUE (1) Total company sales and adjusted EBITDA of $4,819M and $581M, respectively, include intercompany sales eliminations and corporate costs $2,402M $409M $919M $164M $1,631M $94M Sales EBITDA Distribution Specialty Engineered Materials Color Additives and Inks $581M$4,819M (1) 24 34% Building & 1% Telecommunications C O L O R , A D D I T I V E S & I N K S 2021 REVENUE | $2 .4 BILL ION 32% 40% Latin America END MARKET REGION 25 S P E C I A LT Y E N G I N E E R E D M AT E R I A L S 27% Building & 2021 REVENUE | $919 MILLION END MARKET 55% REGION 26 D I S T R I BU T I O N 26% Building and 80% 3% Latin America END MARKET REGION K E Y S U P P L I ER S 2021 REVENUE | $1 .6 B ILL ION 27 TOTA L C O M PA N Y R E G I O N A L S A L E S BY END MARKET 30% 26%Healthcare 14% Building & 2% Energy (16% of sales) 32% Building & (25% of sales) 28 19% Building & US & Canada (50% of sales) 38% 33% Building & LATAM (9% of sales) Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.