BEREA, Ohio – PolyOne ColorMatrix, a global leader in liquid color and additives for plastics,has launched the PlanetPak™ liquid delivery system, the latest in its line of eco-friendly packaging solutions, helping customers reach their environmental goals. Easy to transport, handle and store, this packaging system improves material handling safety while still efficiently delivering the high quality colorant stored within it.

OnColor™ Colorants for Wire & Cable These colorants are designed specifically for both insulation and sheathing applications for wire and cable.

RADIO CONTROL SYSTEM PRODUCER A N T I - S T A T I C B E L L O W • Electrical resistivity of < E+6 Ω • Soft grades between 40-50 Shore A • Abrasion resistant • Light weight material • Designed to meet ATEX standards • Replaced conductive EPDM thermoset rubber enhancing processability and enabled in-house injection molding • Provided electrical resistivity at a low shore hardness, improving joystick maneuverability • Enabled greater scrap re-use rate Stat-Tech™ Thermoplastic Elastomer KEY REQUIREMENTS WHY AVIENT?

SOLAR ENERGY COMPANY B A T T E R Y F R A M E • Good dimensional stiffness at high operating temperatures • Eco-conscious performance of a non-halogenated fire retardant • Easy processing • Met regulatory requirements of UL 746C for ultraviolet light, water, and immersion exposures • Delivered excellent high heat and eco- friendly performance of non-halogenated flame resistance • Offered prompt development and on-site technical services to accelerate the speed- to-market Bergamid™ FR Non-Halogen Flame Retardant Formulations KEY REQUIREMENTS HIGH HEAT FLAME RESISTANCE WHY AVIENT?

Home printer OEM HOME PRINTER OEM R E C Y C L E D H I P S I N J E C T I O N C O V E R O F P R I N T E R • Provide PCR-based colorants for a more sustainable solution • Meet both color and mechanical requirements in PCR materials • Offer user-friendly PCR + Colorants solution to address the batch variance problem of PCR in an economical way • Offered revolutionary supply model of PCR + Colorants, ensuring precise quality and color • Helped customers solve the batch variance problem of PCR in a digital way and shortened the color-matching time with PCR Color Prediction Service • Provided on-site technical support to customer Rejoin PCR Colorants KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION PCR BASED COLORANTS + QUALITY LEARN MORE Copyright © 2024, Avient Corporation. All Rights Reserved. https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/rejoin-pcr-colorants Slide 1: Home printer OEM

Coloring PCR brings further challenges. A challenge faced when coloring PCR resins include recyclate materials with an undertone or opacity that can restrict color options in PET, rPET and rPP. A NEW PCR COLORATION TOOL Avient has developed a digital tool to help assess the impact of colored, recycled resins (PCR) prior to laboratory trials.

AUTOMOTIVE OEM L O W E R E X T E R I O R B U M P E R • Develop a new color for molded-in-color plastics • Create ‘Wow’ effect without chroming or paint • Provide metallic aspect with good UV resistance for exterior part • Developed new “gris megalithe” color for PP (AS1) utilizing Avient Design center • Produced master plaques to showcase new color • Accelerated testing to certify outstanding weathering resistance • Collaborated across the supply chain to optimize metallic effect in the final part Smartbatch™ Combination Colorants & Additives KEY REQUIREMENTS WHY AVIENT? All Rights Reserved https://www.avient.com/products/polymer-colorants/color-additive-combination-masterbatches/smartbatch-combination-colorants-additives Automotive oem

L’ORÉAL R E D K E N S H A M P O O B O T T L E S • Ensure global color consistency across all Redken PCR packaging in order to launch in North America and Europe at the same time • Shorten time to launch by simplifying decision making process and avoiding lengthy lab trials • Ability to transition to high levels of PCR, and to facilitate transfer from one PCR to another • Solution that works with mixed grades of PCR, both rPET and polyolefins • Created a process with L’Oréal to overcome PCR coloring challenges and simplify recycled resin coloration for global consistency • Helped L’Oréal towards its objective to have 100% of packaging plastics to be either from recycled or bio-based sources • Achieved a perfect color match on the first try in 8 out of 10 cases PCR Color Prediction Service KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION COLOR PRECISION & TIME SAVING LEARN MORE Copyright © 2022, Avient Corporation. All Rights Reserved. https://www.avient.com/resource-center/services/avient-color-prediction-tool

All Rights Reserved 2025 10 Color, Additives & Inks - Q4 2024 performance Sales 459 468 Q4 2023 Q4 2024 EXCL. All Rights Reserved 2025 13 Color, Additives & Inks – full year 2024 performance Sales 2,007 2,047 FY 2023 FY 2024 EXCL. All Rights Reserved 2025 Color, Additives & Inks END MARKETS REGIONS 34% 21% 15% 11% 9% 8% Packaging Telecom 1%Energy 1% Transportation Industrial Consumer 34% 37% 20% 9% US & Canada Latin America Asia Europe, Middle East and Africa Healthcare Building & Construction 21Copyright © .

Examples include: • Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint • Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility Avient employs approximately 8,700 associates and is certified ACC Responsible Care®, a founding member of the Alliance to End Plastic Waste and certified Great Place to Work®. Three Months Ended March 31, 2022 2021 Sales: Color, Additives and Inks $ 649.5 $ 609.3 Specialty Engineered Materials 244.7 216.5 Distribution 432.9 362.7 Corporate and eliminations (33.3) (26.2) Sales $ 1,293.8 $ 1,162.3 Gross margin: Color, Additives and Inks $ 192.1 $ 197.5 Specialty Engineered Materials 69.8 64.7 Distribution 39.3 39.3 Corporate and eliminations (7.5) 0.9 Gross margin $ 293.7 $ 302.4 Selling and administrative expense: Color, Additives and Inks $ 97.6 $ 108.7 Specialty Engineered Materials 30.1 30.5 Distribution 15.1 15.3 Corporate and eliminations 22.3 27.5 Selling and administrative expense $ 165.1 $ 182.0 Operating income: Color, Additives and Inks $ 94.5 $ 88.8 Specialty Engineered Materials 39.7 34.2 Distribution 24.2 24.0 Corporate and eliminations (29.8) (26.6) Operating income $ 128.6 $ 120.4 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 120.5 $ 116.2 Specialty Engineered Materials 47.5 42.0 Distribution 24.4 24.2 Corporate and eliminations (26.0) (24.9) Other income, net (0.6) 1.5 EBITDA $ 165.8 $ 159.0 11 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. Three Months Ended March 31, 2022 2021 GAAP Results Special Items Adjusted Results GAAP Results Special Items Adjusted Results $111.1 $ 7.7 $ 118.8 $102.6 $ 2.4 $ 105.0 Income tax expense - GAAP (26.6) — (26.6) (22.9) — (22.9) Income tax impact of special items (Attachment 3) — (2.0) (2.0) — (0.9) (0.9) Tax adjustments (Attachment 3) — 1.5 1.5 — 1.1 1.1 Income tax (expense) benefit $ (26.6) $ (0.5) $ (27.1) $ (22.9) $ 0.2 $ (22.7) Effective Tax Rate(1) 23.9 % 22.8 % 22.3 % 21.6 % (1) Rates may not recalculate from figures presented herein due to rounding 12 Reconciliation of EBITDA by Segment Three Months Ended March 31, 2022 2021 Operating income: Color, Additives and Inks $ 94.5 $ 88.8 Specialty Engineered Materials 39.7 34.2 Distribution 24.2 24.0 Corporate and eliminations (29.8) (26.6) Operating income $ 128.6 $ 120.4 Items below OI in Corporate: Other income, net $ (0.6) $ 1.5 Depreciation & amortization: Color, Additives and Inks $ 26.0 $ 27.4 Specialty Engineered Materials 7.8 7.8 Distribution 0.2 0.2 Corporate and eliminations 3.8 1.7 Depreciation & Amortization $ 37.8 $ 37.1 EBITDA: Color, Additives and Inks $ 120.5 $ 116.2 Specialty Engineered Materials 47.5 42.0 Distribution 24.4 24.2 Corporate and eliminations (26.0) (24.9) Other income, net (0.6) 1.5 EBITDA $ 165.8 $ 159.0 EBITDA as a % of Sales: Color, Additives and Inks 18.6 % 19.1 % Specialty Engineered Materials 19.4 % 19.4 % Distribution 5.6 % 6.7 % Three Months Ended March 31, Reconciliation to EBITDA and Adjusted EBITDA: 2022 2021 Net income from continuing operations – GAAP $ 84.5 $ 79.7 Income tax expense 26.6 22.9 Interest expense 16.9 19.3 Depreciation and amortization 37.8 37.1 EBITDA $ 165.8 $ 159.0 Special items, before tax 7.7 2.4 Depreciation and amortization included in special items (2.1) (0.5) Adjusted EBITDA $ 171.4 $ 160.9 NEWS RELEASE Attachment 1