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AVNT-2022.06.30-News Release 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Second Quarter 2022 Results • Second quarter sales grew to $1.3 billion, a 5% increase over the prior year quarter, and an all-time quarterly record • GAAP EPS increased 24% to $0.92 compared to $0.74 in the prior year quarter • Adjusted EPS increased 13% to $0.98 compared to $0.87 in the prior year quarter, exceeding second quarter guidance of $0.92. # # 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 mailto:giuseppe.disalvo@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 June 30, Six Months Ended June 30, 2022 2021 2022 2021 Sales $ 1,302.4 $ 1,235.2 $ 2,596.2 $ 2,397.5 Operating Income 129.5 108.1 258.1 228.5 Net income attributable to Avient shareholders 84.7 68.8 168.9 148.1 Basic earnings per share attributable to Avient shareholders $ 0.93 $ 0.75 $ 1.85 $ 1.62 Diluted earnings per share attributable to Avient shareholders $ 0.92 $ 0.74 $ 1.83 $ 1.60 Senior management uses comparisons of adjusted net income attributable to Avient shareholders and diluted adjusted earnings per share (EPS) attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.

The manufacturer began working with Avient to find a thermoplastic elastomer (TPE) solution to meet its dual requirements. Currently, the company is producing 800,000 housings annually using the specialty TPE material. Adding to the overall value of the solution, the TPE yields significantly less scrap than the previously used AES material.

The manufacturer began working with Avient to find a thermoplastic elastomer (TPE) solution to meet its dual requirements. Currently, the company is producing 800,000 housings annually using the specialty TPE material. Adding to the overall value of the solution, the TPE yields significantly less scrap than the previously used AES material.

Avient’s featured range of products on display includes customized protection film materials, adhesive TPEs for textile fabric, bio-based TPEs, and specialty engineered materials developed to enhance product performance in the building and construction, automotive, and consumer industries. These formulations can also reduce VOCs and eliminate costly and time-consuming coating compared to traditional TPEs, offering a more sustainable process reSound™ BIO TPEs: contains 40 to 90 percent bio-based content within a wide hardness range (which can help reduce carbon footprint) and has performance characteristics that are comparable to standard TPEs

Explore Highlights material solutions (engineered polymers and TPEs) for lawn and garden equipment Customized reSound™ BIO TPE provided comfort and bio-derived content for underwire for a famous underwear brand Understanding TPE Performance for Enabling 5G Technologies

Formulated TPE with 43% bio-based content plus favorable UV resistance and vibration damping performance compared to standard TPE Versaflex™ CE TPEs for 5G Transparency - Application Bulletin (Chinese) Customized Versaflex™ TPE formulation to balance mar resistance, flow, and laser marking whiteness and clarity

While Jäger had developed interior TPE parts in the past, its development engineers and designers had since created a modified manufacturing technology that was more demanding on the elastomeric material. The professionals at Jäger and Avient identified OnFlex-S TPE with UV stabilization as the material that would best fulfill cost and performance goals for this application. Because it exhibits a higher flow rate than other SBC-based TPEs, OnFlex-S TPE reduces cycle times during injection molding, a feature that satisfies productivity objectives set by Jäger.