These TPE grades, formulated for consumer applications, can be used in personal care products, lawn and garden tools, outdoor goods, office supplies, footwear, and houseware durables. NOTE: On July 1, 2020, PolyOne and Clariant Masterbatches joined together as Avient, a new kind of materials company focused on conquering customer challenges and unlocking the potential for innovation and sustainability around the globe. Michelle Maniscalco Senior Manager, Marketing Communications Avient Corporation +1 440-930-1988 michelle.maniscalco@avient.com

Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources. Pro Forma Financial Information The Company acquired Avient Protective Materials (“Dyneema”) on September 1, 2022 (the “Acquisition Date”) and sold the Distribution segment on November 1, 2022. To provide comparable results, the company references “pro forma” financial metrics, which include the business results of Avient Protective Materials for periods prior to the Acquisition Date, as if the transaction occurred on January 1, 2021 and reflect Distribution as a discontinued operation.

Microsoft Word - Avient Announces Third Quarter 2024 Results 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Third Quarter 2024 Results • Third quarter sales increased 8% over the prior year quarter to $815 million supported by broad-based growth across all regions and most end markets • Third quarter GAAP EPS from continuing operations of $0.41 compared to $0.06 in the prior year quarter • Third quarter adjusted EPS of $0.65 exceeded guidance of $0.62 and increased 14% over prior year quarter, driven by organic revenue growth and margin expansion in both segments, as well as lower interest expense • 2024 full-year adjusted EPS guidance range narrowed to $2.63 to $2.67, from prior guidance range of $2.55 to $2.70; Revised guidance reflects 11% to 13% growth in adjusted EPS over the prior year • Increased dividend 5% to $1.08, on an annualized basis, representing the fourteenth consecutive annual increase CLEVELAND – October 31, 2024 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable materials solutions, today announced its third quarter 2024 results. It will be a future that 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," said Dr. Rose Vice President, Corporate Communications Avient Corporation +1 440-930-3162 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 September 30, Nine Months Ended September 30, 2024 2023 2024 2023 Sales $ 815.2 $ 753.7 $ 2,493.9 $ 2,423.8 Operating income 77.2 34.3 243.7 153.7 Net income from continuing operations attributable to Avient shareholders 38.2 5.1 121.2 48.0 Diluted earnings per share from continuing operations attributable to Avient shareholders $ 0.41 $ 0.06 $ 1.32 $ 0.52 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.

Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources. Pro Forma Financial Information The Company acquired Avient Protective Materials (“Dyneema”) on September 1, 2022 (the “Acquisition Date”) and sold the Distribution segment on November 1, 2022. To provide comparable results, the company references “pro forma” financial metrics, which include the business results of Avient Protective Materials for periods prior to the Acquisition Date, as if the transaction occurred on January 1, 2021 and reflect Distribution as a discontinued operation.

HVAC AUTOMOTIVE PRODUCER N O R T H A M E R I C A Excelite™ IM Chemical Foaming Additives WHY AVIENT? AVIENT SOLUTION LIGHTWEIGHTING + CYCLE TIME LEARN MORE • Achieved average weight reduction across molds of 7.75% • Achieved cycle time reduction of 15-20% • Provided key support with equipment and processing • Reduced energy consumption • Projected savings of $500,000 annually KEY REQUIREMENTS • Lightweighting • Cycle time improvement • Processing support to enable a seamless transition to begin using foam Copyright © 2020, Avient Corporation.

December 1, 2023 December 1, 2023 Rose, Vice President, Marketing and Communications, Avient Corporation, +1 440-930-3162, kyle.rose@avient.com

Avient Announces Quarterly Dividend... Avient Board of Directors Appoints Ashish K. Avient Announces First Quarter 2025 Results...

Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources. Pro Forma Financial Information Avient acquired the Clariant Color business on July 1, 2020 (the “Acquisition Date”). Continued supply chain challenges persisted during Q2 related to raw material spot purchases, freight constraints and productivity loss as a result of these shortages.

Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources. Pro Forma Financial Information Avient acquired the Clariant Color business on July 1, 2020 (the “Acquisition Date”). Continued supply chain challenges persisted during Q2 related to raw material spot purchases, freight constraints and productivity loss as a result of these shortages.

LUXEMBOURG – March 30, 2021 – Avient today announced global expansion of its reSound™ R recycled-content thermoplastic elastomer (TPE) range. Avient Announces Quarterly Dividend... Avient Board of Directors Appoints Ashish K.