We expect year over year demand improvement from consumer, packaging and defense end markets, which make up roughly half of our portfolio. We are focused on driving profitable, organic, top-line growth while expanding margins," added Dr. Rose Vice President, Marketing and Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com mailto:giuseppe.disalvo@avient.com mailto:kyle.rose@avient.com 6 Attachment 1 Avient Corporation Summary of Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Three Months Ended March 31, 2024 2023 Sales $ 829.0 $ 845.7 Operating income 94.0 57.1 Net income from continuing operations attributable to Avient shareholders 49.4 20.8 Diluted earnings per share from continuing operations attributable to Avient shareholders $ 0.54 $ 0.23 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.

Sanders received her Juris Doctor with Honors from the University of Texas at Austin, where she was inducted into the Order of the Coif. She earned a Bachelor of Business Administration with Honors in Finance, also from the University of Texas at Austin. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com

THE CHALLENGE Nearly 110 years after it was founded, WillowWood continues to fulfill its mission to free the bodies and spirits of amputees. And, the fiberglass solution did not yield the “push-off” that would prevent the foot from meeting K2 level coding requirements. © 2020, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012

from continuing operations, a 9% increase over the prior year. These investments have built resiliency in our portfolio and are helping to overcome the soft demand conditions in certain regions and end markets," Mr. Net (loss) income from continuing operations attributable to       PolyOne common shareholders

TIER 1 AEROSPACE SUPPLIER S E A T I N G S T R U C T U R A L C O M P O N E N T • Reduce weight to improve fuel economy • Pass FAA flame, smoke, toxicity requirements • Meet structural requirements • Simplify manufacturing process • Lowered weight ~40% versus aluminum while maintaining the strength performance properties • Formulated a PES material to satisfy flame, smoke, toxicity (FST) standards for commercial aircraft • Passed and/or exceeded customer’s impact testing specifications • Provided an injection moldable hybrid glass/carbon fiber solution that enabled lower viscosity and better processability for thin wall parts Complēt™ Long Hybrid (Carbon + Glass) Fiber Reinforced PES Composite KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION LIGHTWEIGHTING + METAL REPLACEMENT LEARN MORE Copyright © 2023, Avient Corporation.

Copyright © 2023, Avient Corporation. Processing conditions can cause material properties to shift from the values stated in the information. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

Due to printing or monitor variations, color shown may vary from actual color. Processing conditions can cause material properties to shift from the values stated in the information. Avient makes no warranties or guaran- tees respecting suitability of either Avient’s products or the information for your process or end-use application.

AVNT-2021.06.30-News Release 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Registration Details for December 9th Investor Day CLEVELAND – November 3, 2021 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable material solutions, will host an Investor Day for investment professionals on Thursday, December 9, 2021, from 8:00 a.m. to 1:00 p.m., at the New York Marriott Marquis hotel. Investor Day participants will hear presentations from Mr. To access Avient’s news library online, please visit www.avient.com/news.

Inspect thermocouple 1.844.4AVIENT www.avient.com Copyright © 2022, Avient Corporation. Processing conditions can cause material properties to shift from the values stated in the information. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

To get the most from a color strategy, you need the right colorant for the job. COMPLEMENTARY SOLUTIONS SMART COLORANTS: MAKING THE MOST OF COLOR SOLID COLORANTS LIQUID COLORANTS Available based on many different carrier resins Clean, easy handling + feeding Designed + engineered for compatible polymer matrix More effective for low letdown ratios Highly accurate dispensing Can be processed at lower temperatures COLOR STRATEGY BEST PRACTICES EXPANDING COLORANT OPTIONS Avoid limiting yourself to either solid or liquid forms, and focus on the requirements of the end application instead • Widen your materials and applications possibilities • Achieve the desired effect for each part • Optimize productivity and system costs by matching the right colorant type to the project ADDING SPECIAL EFFECTS Further differentiate and add value to your products • Examples include: metallic, pearlescent, chrome look, edge glow, sparkle/glitter, neon/fluorescent look, woodgrain/stone/camouflage SELECTING + SIZING COLORANT EQUIPMENT Both liquid and solid colorants can be used in the same production facility • Use the right colorant to significantly impact production and offer improvements in terms of efficiency and quality $37.5B projected global colorants market size by 2025** 84.7% of consumers cite colors as the primary reason they buy a particular product* U S D © 2020 Avient, All Rights Reserved To learn more about polymer colorants and how you can improve your current color strategy, visit avientdistribution.com or call +1.844.4AVIENT https://www.avientdistribution.com/