SATELLITE OEM B R A I D E D T E T H E R • Needs a small diameter strength member with specific tensile and geometric requirements that current product was not achieving • Requires a solution that is also black and UV resistant, as existing aramid yarns are not available in color (coating is not acceptable for the application due to off-gassing complications) • Withstands extreme, prolonged thermal cycling • Acts as a critical component for safe re-entry into earth’s atmosphere at the end of the satellite’s life cycle

Airline components manufacturer AIRLINE COMPONENTS MANUFACTURER C A B I N I N T E R I O R P A R T S • Stable, consistent coloration of high temperature polymers • Improved mechanical strength, superior impact performance and resistance • Robust chemical resistance from cleaning chemicals, oil, and fats • Meet current environmental performance standards (temperatures and user interface) • Regulatory flame retardance performance • Delivered consistent distribution and dispersion in high-temperature polymers, resulting in improved mechanical properties and performance • Maintained efficient processing and waste reduction with shorter lead times • Offered regulatory support to help meet requirements • Allowed minimum order quantities as low as 5kg (10lbs) for custom color solutions requested by specific airlines KEY REQUIREMENTS PERFORMANCE + EFFICIENCY WHY AVIENT?

FIBER MANUFACTURER T E X T I L E S & F A B R I C S • Provide a Product Carbon Footprint (PCF) calculation to align with ISO 14067:2018 and to help in meeting sustainability goals • Procure feedstock from renewable resources • Maintain comparative performance to conventional carbon black • Achieve color stability under xenon arc and TUV testing • Offer solutions for rPET, PP, PE, PBT, and PA6 where a desire for environmentally responsible products exists • Offered sustainable platform approach supported by extensive fiber expertise • Helped meet sustainability targets while attaining all design and engineering goals • Supplied necessary PCF calculation certified by TÜV Rheinland and aligning with ISO 14067 requirements • Provided effective alternative to virgin carbon black • Achieved reductions in CO2e emissions vs.

SBD cordless power tool GLOBAL CLOUD SERVICE PROVIDER I N T E R N A L H O L D O F S E R V E R C A B I N E T S • PC-based solution with good impact strength • UL 94 V-0 certification • Dimensionally stable • Offered a 40% glass fiber-reinforced PC solution with high modulus and high impact strength • Achieved a UL 94 V-0 flammability rating at 3.0 mm • Provided pre-colored formulation that met specific white requirements and maintained good color stability even after long-term production at high temperatures • Ensured high flowability so the material could be injected with low pressure, avoiding damage to the metal frame Edgetek Engineered Polymer Formulations KEY REQUIREMENTS WHY AVIENT?

MEDICAL DEVICE MANUFACTURER S T E T H O S C O P E S • Provide a silicone paste colorant dispersion for liquid silicone rubber (LSR) to use in stethoscope ear tips • Create a custom-colored vinyl plastisol formulation for stethoscope tubing • Harmonize color across materials to meet specific process and performance requirements • Deliver effective communication and cross-functional collaboration • Offered dependable silicone paste colorants that allowed for comfort and easy sterilization • Provided a colored vinyl plastisol to reduce tackiness and support product longevity • Collaborated internally to align all materials and provide color consistency across components • Supported fast color changes and met quality specifications through constant communication and technical expertise Silcopas Silicone Paste Colorants and CORE Vinyl Plastisols for Healthcare KEY REQUIREMENTS WHY AVIENT?

Automotive OEM AUTOMOTIVE OEM B U S B A R C A R R I E R F O R E V B A T T E R Y • Non-halogen solution • Flame performance to UL 94 V-0 @ 1.6 mm, GWFI 960°C @ 2mm • Excellent mechanical properties • Easy to process • Heat stabilized and high flow properties • Provide a non-halogenated solution with increased performance • Supported our customer throughout the project with design, regulatory and technical expertise • Helped to achieve the rigid requirements of EV battery applications Maxxam NHFR Non-Halogen Flame Retardant Polyolefin Formulation KEY REQUIREMENTS WHY AVIENT?

Physical property retention of TPE-1A and TPE-1B after 1 week at 70C. 2.5 Te ns ile s h, M od ul us (M Pa 7 days at RT 7 days at 70C T ensile Strength 300% mo d. T ensile Strength 300% mo d. T P E-1A T P E-1A T P E-1B T P E-1B 4.1 4.2 2.5 2.3 5.2 5.5 3.2 3.3 500 El on ga tio n at b re ak (% 7 days at RT 7 days at 70C 574 569 564 546 10 20 Te ar s h (N 7 days at RT 7 days at 70C 22.6 20.2 21.5 21.5

測試方法：FTTS-FA-010-2007 4.2 設備：紅外線熱像儀 熱源：500W鹵素燈 熱輻射距離：100 cm 加入Cesa紅外蓄熱纖維添加劑 加熱10分鐘後表面溫度：33.85°C 溫度變化：+13.6°C 測試方法 0.9 9°C 8.9°C 5.6°C 0.625 +12.9% +13.6% +1.7% www.avient.com 標準要求 測試結果 GB/T 30127 遠紅外線性能 GB/T 18319-2019 光蓄熱性能 FTTS-FA-010 紅外線性能及蓄熱升溫 GB/T 11048-2008 Method A 熱舒適性 熱阻性能 單位：CLO 人體生理實驗 遠紅外線發射率 ≥0.88 (5-14um) （測試溫度:34°C） 遠紅外線輻射溫升值 ≥1.4°C 最高允許溫升值 ≥6°C 平均溫升值 ≥4.4°C（20分鐘） 平均發射率 ≥ 0.8 (2-22um) （測試溫度: 25°C) 0.81 規定加熱ΔT ≥ 0.5°C （相對於標準） +5.34°C (ΔT) 裸體：0 內褲：0.04 T恤：0.09 厚毛衣：0.35 冬季大衣：0.7 上述所有資料均為參考值 血流量 血流速 血氧濃度（%SpO2） 請聯絡您的埃萬特業務代表以了解 您所在國家或地區是否有售。

Temp (HDT 0,45 MPa) °C 60–100 80–145 80–160 40–80 60–120 60–110 60–100 80–145 80–145 40–80 60–120 60–110 Flammability, UL94 Step V2-V0/5VA V2-V0 V2-V0 V2-V0 V2-V0 V2-V0 V2-V0 V2-V0 V2-V0 V2-V0 V2-V0 V2-V0 Glow Wire Flammability Index °C 750–960 750–960 750–960 750–960 750–960 750–960 750–960 750–960 750–960 750–960 750–960 750–960 CTI V 450–00 450–600 450–600 450–600 450–600 450–600 350–600 350–600 350–600 350–600 350–600 350–600 Oil Resistance – + + + + + + + + + + + + Drying Required – Y Y Y Y Y Y Y Y Y Y Y Y Process (IM, EX, BM)1 – (IM, EX) (IM, EX) (IM, EX) (IM, EX) (IM, EX) (IM, EX) (IM, EX) (IM, EX) (IM, EX) (IM, EX) (IM, EX) (IM, EX) Other Modifications2 – Impact, HS, GB, T, HS, UV, LM GF, HS, UV, LM Impact, HS, GB, T, HS, UV, LM GF, HS, UV, LM Impact, HS, UV, LM GF, HS, UV, LM Impact, HS, GB, T, HS, UV, LM GF, HS, UV, LM Descriptions Lower density with moderate strength. GF: glass Fiber, GB: Glass Bead, T: Talcum Copyright © 2024, Avient Corporation.

INVESTMENT IN COMMERCIAL RESOURCES D R I V E S I N N O VAT I V E P R O D U C T P O R T F O L I O AN D S AL E S G R O W T H TARGET NET LEVERAGE BY 2021 ~$1Bn REPURCHASED OVER LAST 10 YEARS ~$350MM PAID OVER LAST 10 YEARS RETURNING VALUE TO SHAREHOLDERS 12 Free Cash Flow Dividends Share Repurchases Deleveraging Strong track record of cash generation put to work in M&A and return to shareholders while modestly levered 0.16 0.20 0.26 0.34 0.42 0.50 0.58 0.72 0.79 0.81 11 12 13 14 15 16 17 18 19 20 0.1 0.1 0.2 0.5 0.6 0.7 0.8 0.9 0.9 1.0 11 12 13 14 15 16 17 18 19 20 2020PF* 2021E Growing Dividend Cumulative Buybacks Net Leverage $B n $ p r sh ar *2020 estimate and Pro forma for acquisition of the Clariant Masterbatch business Cash Generation 19 160 240 2011 2019 2020E ~$240MM Another unique value creation lever at Avient is synergy capture with our recent acquisition of Clariant Masterbatch. D is t. Free cash flow conversion calculated as (EBITDA – Capex) / EBITDA Median: 84% Median: 75% HIGH FREE CASH FLOW CONVERSION 0.5x 1.9x 2.8x 4.5x -0.1x 1.8x 1.9x 2.2x 2.3x 2.4x 2.9x 3.0x 3.0x 3.2x 3.4x 3.4x 3.8x 3.9x 4.8x t ( 20 t ( 21 Net Debt / 2021E EBITDA (1) We typically operate at 2.5–3.0x net debt to EBITDA.