The company noted that GAAP EPS includes special items (Attachment 3) and intangible amortization expense (Attachment 1). To access Avient’s news library online, please visit www.avient.com/news. https://www.avient.com/news 4 Pro Forma for Acquisition of Avient Protective Materials business (APM) On September 1, 2022, the company acquired DSM’s Protective Materials business, the foundation of which is the renowned technology and globally admired brand of Dyneema®, the World’s Strongest Fiber™. Rose Vice President, Corporate Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com 8 Attachment 1 Avient Corporation Summary of Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Three Months Ended December 31, Year Ended December 31, 2022 2021 2022 2021 Sales $ 790.4 $ 807.1 $ 3,396.9 $ 3,315.5 Operating Income 0.4 50.2 243.3 279.7 Net (loss) income from continuing operations attributable to Avient shareholders (17.0) 11.2 82.8 151.8 Diluted (loss) earnings per share from continuing operations attributable to Avient shareholders $ (0.19) $ 0.12 $ 0.90 $ 1.65 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.

Some suppliers are also able to offer anti-fog solutions with EC and FDA food-contact compliance, enabling film producers to use the same anti-fogging product across multiple geographic regions. If you decide to use additives, taking a collaborative approach with your supplier can help you to speed development times and raise efficiency.  Learn more about your anti-fogging options by contacting an expert at Avient today!

Get Help Now +1-866-737-2066 Fiber-Line™ engineered fibers are supplied on a variety of colored, embossed and/or slit cardboard tubes to meet your equipment needs. Browse and download our literature to learn more about Avient solutions and services.

Get Help Now +1-866-737-2066 OnColor Edgeglo colorants are supplied as a pelletized concentrate and formulated with a carrier that is compatible with the letdown resin. Browse and download our literature to learn more about Avient solutions and services.

PHONE CASE BRAND P H O N E C A S E S • Compatible with antimicrobial additives • Good stain resistance • Non-yellowing • Delivered enhanced solution that included antimicrobial properties and stain resistance • Collaborated with OEM and the foremost supplier of antimicrobials to comply with key bacterial growth requirements Versaflex™ CE 3320-80 TPE KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION ANTIMICROBIAL LEARN MORE Copyright © 2020, Avient Corporation.

Avient is a recognized leader in the overmoldingof thermoplastic elastomers (TPEs), offering excellent adhesion to substrates like polypropylene, polyethylene, PC, ABS, acetal, and nylon. Collaborating with Avient provides access to a world-class team with expertise in component design, tooling, molding processes, and formulation development. Save and share the full guide as a PDF for future reference.

And when they need a supplier that can deliver a truly comprehensive portfolio of composite material solutions, they turn to Avient. Video: Avient Advanced Composites Avient Design

Cost Savings As your customers demand increasing performance, Avient continues to innovate and develop polymer technology that lets you rise to the challenge. To learn more about your best metal replacement options, contact an expert at Avient today.

BIOPHARMACEUTICAL SUPPLY COMPANY T U B I N G C L A M P • High impact and wear resistance • Low moisture uptake • Comparable dimensional stability to nylon • Eco-conscious alternative to PA66 and PA6 • Delivered a comparable alternative to nylons during supply shortages, resulting in rugged performance and a lower carbon footprint • Provided improved chemical resistance to nylon clamps to withstand repeated cleanings from harsh disinfectants • Offered a global manufacturing footprint to support future expansion of the end products to markets outside the Americas Trilliant™ HC 8910 Glass-Filled Polyketone Thermoplastics KEY REQUIREMENTS WHY AVIENT AVIENT SOLUTION DURABILITY + MATERIAL AVAILABILITY LEARN MORE Copyright © 2023, Avient Corporation.

Our strategy is focused on delivering growth with margin expansion by intersecting the needs of our customers and secular market trends with our broad portfolio of technologies.” Investor Relations Contact: Giuseppe (Joe) Di Salvo Vice President, Treasurer and Investor Relations Avient Corporation +1 440-930-1921 giuseppe.disalvo@avient.com Media Contact: Kyle G. Rose Vice President, Corporate Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com