Homepage // News Center // Specialty Wire and Cable Solutions Featured by Avient at Wire China 2023 To access Avient’s news library online, please visit www.avient.com/news.   Investor News

Homepage // News Center // Avient to Highlight Bio-based Polymer Solutions at Pharmapack 2024 To access Avient’s news library online, please visit www.avient.com/news.     Investor News

Homepage // News Center // Avient to Debut Dyneema® Fiber at JEC World 2023 To access Avient's news library online, please visit www.avient.com/news.  Investor News

Homepage // News Center // Avient Supports a Cleaner Environment with AEPW’s All Together Global Cleanup To access Avient’s news library online, please visit www.avient.com/news. Investor News

Homepage // News Center // Avient Debuts ThermoBallistic™ Thermoplastic Composite Panels at CAMX 2023 To access Avient’s news library online, please visit www.avient.com/news.   Investor News

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Homepage // News Center // Avient Features Sustainable Composite Materials at JEC World 2022 To access Avient’s news library online, please visit www.avient.com/news. Investor News

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. For the same reasons, Avient is unable to address the probable significance of the unavailable information. 2 3 Q2 2024 HIGHLIGHTS • 5% organic sales growth supported by broad-based growth across all regions in both CAI and SEM segments • Growth stemmed from gaining share, winning new product specifications and restocking in certain end markets • Cost control and operational discipline expanded EBITDA margins by 100 bps • EPS exceeded guidance by $0.05 and increased 21% vs the prior year Adj. Q2 2023 (TOTAL COMPANY) $824 $850 $131 $143 (in millions) $0.63 (in millions) Adjusted EBITDA Adjusted EPS 5 + 3% (+5% excluding FX) + 9% (+12% excluding FX) + 21% (+25% excluding FX) Sales 6 Q2 2024 RESULTS – ORGANIC SALES BY REGION VS PY 6 +5% +4% +1% +19% Avient ex.

Enhanced user experience drives increased market share, over $400,000 in new sales revenue The new premium mouse hit store shelves amid positive reviews, generating brisk sales and enabling the manufacturer to improve its share of market. The OEM’s new product, featuring Avient’s contribution, increased market share and generated more than $400,000 in sales during the first year of production.

Enhanced user experience drives increased market share, over $400,000 in new sales revenue The new premium mouse hit store shelves amid positive reviews, generating brisk sales and enabling the manufacturer to improve its share of market. The OEM’s new product, featuring Avient’s contribution, increased market share and generated more than $400,000 in sales during the first year of production.