CLEVELAND – November 2, 2023 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable material solutions, today announced its third quarter 2023 results. They are based on management's expectations that involve a number of business risks and uncertainties, any of which could cause actual results to differ materially from those expressed in or implied by the forward-looking statements. Three Months Ended September 30, Nine Months Ended September 30, 2023 2022 2023 2022 Sales: Color, Additives and Inks $ 486.5 $ 565.6 $ 1,548.0 $ 1,864.2 Specialty Engineered Materials 267.9 258.2 878.4 743.6 Corporate (0.7) (0.5) (2.6) (1.3) Sales $ 753.7 $ 823.3 $ 2,423.8 $ 2,606.5 Gross margin: Color, Additives and Inks $ 156.8 $ 161.3 $ 482.9 $ 546.8 Specialty Engineered Materials 78.3 66.9 263.7 201.3 Corporate (39.8) (32.8) (63.0) (37.4) Gross margin $ 195.3 $ 195.4 $ 683.6 $ 710.7 Selling and administrative expense: Color, Additives and Inks $ 92.3 $ 92.7 $ 284.8 $ 290.1 Specialty Engineered Materials 48.0 35.5 150.6 96.4 Corporate 20.7 26.6 94.5 81.3 Selling and administrative expense $ 161.0 $ 154.8 $ 529.9 $ 467.8 Operating income: Color, Additives and Inks $ 64.5 $ 68.6 $ 198.1 $ 256.7 Specialty Engineered Materials 30.3 31.4 113.1 104.9 Corporate (60.5) (59.4) (157.5) (118.7) Operating income $ 34.3 $ 40.6 $ 153.7 $ 242.9 Depreciation & amortization: Color, Additives and Inks $ 24.6 $ 24.2 $ 76.1 $ 76.1 Specialty Engineered Materials 20.5 12.9 61.6 28.4 Corporate 1.3 2.7 6.8 9.2 Depreciation & Amortization $ 46.4 $ 39.8 $ 144.5 $ 113.7 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 89.1 $ 92.8 $ 274.2 $ 332.8 Specialty Engineered Materials 50.8 44.3 174.7 133.3 Corporate (59.2) (56.7) (150.7) (109.5) Other income (expense), net 1.0 (32.3) 1.5 (31.3) EBITDA including special items $ 81.7 $ 48.1 $ 299.7 $ 325.3 Special items in EBITDA 41.0 71.2 88.1 75.6 Total Company, EBITDA adjusted $ 122.7 $ 119.3 $ 387.8 $ 400.9 13 Attachment 7 Avient Corporation Reconciliation of Non-GAAP Financial Measures (Unaudited) (In millions, except per share data) Senior management uses gross margin before special items and operating income before special items to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and how it may serve as a basis for future performance.

About Avient Avient Corporation (NYSE: AVNT), with 2020 pro forma revenues of $3.8 billion, provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Examples include: • Barrier technologies that preserve the shelf-life and quality of food, beverages, medicine and other perishable goods through high-performance materials that require less plastic • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation • Breakthrough technologies that minimize wastewater and improve the recyclability of materials and packaging across a spectrum of end uses Avient employs approximately 8,400 associates and is certified ACC Responsible Care®, a founding member of the Alliance to End Plastic Waste and certified Great Place to Work®. They are based on management's expectations that involve a number of business risks and uncertainties, any of which could cause actual results to differ materially from those expressed in or implied by the forward-looking statements.

TIER 2 SUPPLIER H V A C F L A P • Eliminate post treatment heating of parts to achieve required odor level (≤3.0 VDA 270) • Lowest VOC / FOG performance (VDA 278) at the same compression set as previous material • Reduced processing steps and lowered energy costs for the molder • Achieved targeted odor levels and met VOC / FOG performance and compression set standards OnFlex™ LO Thermoplastic Elastomer WHY AVIENT?

GLS TPE - Closurelogic Cap Liner - English CLOSURELOGIC GMBH A L U M I N U M C A P L I N E R • Compliance with food contact regulations • Seals to glass, PET and aluminum bottles • Excellent pressure retention for carbonated beverages • Provided a low migration TPE with outstanding organoleptic properties • Enabled processing at temperatures 20°C lower than comparative materials GLS™ Thermoplastic Elastomer KEY REQUIREMENTS WHY AVIENT?

Versaflex™ & Versalloy™ Specialty Engineered Materials Thermoplastic Elastomers for Healthcare Applications Delivering specialized thermoplastic elastomer (TPE) solutions for demanding healthcare applications, Avient has performance-grade materials that are approved for USP VI, ISO 10993-4 and 10993-5. Processing conditions can cause material properties to shift from the values stated in the information.

Specialty Engineered Materials Wire & Cable Avient is here to help you consistently meet your flame retardant wire & cable product specification challenges head on. With on-time delivery as a standard and additional technical assistance when needed, Avient experts can provide support in selecting the best material for your application. Processing conditions can cause material properties to shift from the values stated in the information.

Mechanical and Electrical Performance - Mechanical performance including tensile strength, cold bending and elongation at break perform well at a low thickness enabling our customers to save material and weight. Simple Sourcing - ECCOH XL 8148 polymers can be used for both cable jacketing and insulation, reducing the need for multiple materials. Processing conditions can cause material properties to shift from the values stated in the information.

Zone 2 - Center 430° F 470° F 221° C 243° C Zone 3 - Front 440° F 480° F 227° C 249° C Nozzle 450° F 480° F 232° C 249° C MELT & MOLD TEMPERATURES ENGLISH (°F) METRIC (°C) COMMENTS Melt Temperature 450° F 480° F 232° C 249° C After processing, always purge residual PKE materials with fractional melt flow HDPE or PP.Mold Temperature 150° F 200° F 66° C 93° C DRYING CONDITIONS ENGLISH (°F) METRIC (°C) COMMENTS Temperature 180° F 82° C Drying not required. PROCESSING Regrind Can be used up to 20%, but material should be requalified or retested to ensure that the loss in mechanical properties is not significant enough to cause part or application failure. Processing conditions can cause material properties to shift from the values stated in the information.

These 5G transparent TPEs combine the excellent physical properties, aesthetics and UV resistance qualities of traditional TPEs with lower dielectric constant (Dk) and dissipation factor (Df) performance, resulting in an advanced material solution with less signal degradation for next-generation devices. Processing conditions can cause material properties to shift from the values stated in the information. CHARACTERISTICS VERSAFLEX CE 3140 STANDARD TPE 5G Performance at mmWave Frequencies Excellent Fair Target Dielectric Constant (

The results can help you understand the facts and make the best choice of materials for your needs. PHTHALATES DO NOT EASILY MIGRATE They are often chosen for use because they don’t easily migrate out of materials. Processing conditions can cause material properties to shift from the values stated in the information.