AEROSPACE INTERIORS OEM S E A T S P A C E R & A R M R E S T • Weight reduction to increase airliner fuel economy • Meet FAA safety requirements for FST compliance and 16G kinetic survivability • Agility to delivery solution within 8-month compressed product development timeline • Achieved 40% weight reduction generating $16,000 per year reduction in fuel costs • Optimized component designs for long fiber material and conducted FEA validation • Performed prototype molding and testing for load and impact specifications to expedite development Complēt™ Long Carbon Fiber PES Composite KEY REQUIREMENTS WHY AVIENT?

SOFT TOUCH + COLORABILITY FOOT WE AR ACCE S S ORY BRAND F O O T W E A R I N S E R T • Low durometer with good processability • Optimal cushioning with high elasticity • Non-tacky feel • Excellent colorability • Customized a formulation to achieve super soft gel performance without a tacky finish • Provided material with sufficient cushioning and elasticity for all-day comfort • Optimized lead time and stable supply with local inventory Versaflex™ Customized TPE KEY REQUIREMENTS WHY AVIENT?

POWER TOOL BRAND D I A S T I M E T E R C O V E R • Anti-static properties to enable stable and accurate measurements • Good wear resistance to avoid friction between TPE-made part and the internal metal part • Met anti-static standard surface resistivity 109-1010 Ω/m2 which reduced error for circular measurement by 55% and linear measurement by 33% • Provided a formulation with better wear resistance than the previous overmold material • Offered excellent bond adhesion to PC/ABS Versaflex ™ OM Thermoplastic Elastomer KEY REQUIREMENTS WHY AVIENT?

Good bonding to PC/ABS • Acceptable compression set • Wide hardness range • Cost effective VAC U U M C L E A N E R M A N U FAC T U R E R V A C U U M C L E A N E R G A S K E T • Offered overmolding solution with proven success in passing the peel test • Delivered a TPE solution with good sealing performance to fulfill customer’s requirements Versaflex™ OM 9140 Translucent KEY REQUIREMENTS WHY AVIENT?

TIER 2 SUPPLIER I N T E R I O R T R A Y S • A low FOG material with low odor • Low gloss finish • Easy processability • Enabled easier processing than the incumbent TPE-v • Eliminated pre-drying step and delivered pre-colored material, improving process efficiencies • Met needs for low fogging (≤2 mg) and low odor (≤3.0) with low gloss finish OnFlex™ S EH 80A-3S7005 Thermoplastic Elastomer KEY REQUIREMENTS WHY AVIENT?

TOP SPEAKER MANUFACTURER W A T E R P R O O F S P E A K E R G A S K E T • Provide good sealing properties • Protect from water and dust • Reduce production time and costs • Increase design freedom • Provided a low compression set TPE with IP67 ingress protection • Easily prevented ingress of dust and water • Decreased cycle times and reduced overall manufacturing costs • Increased design freedom with overmolding Versaflex™ CE 3120-40 Thermoplastic Elastomer KEY REQUIREMENTS WHY AVIENT?

TEMPERATURE DISTRIBUTION DIAGRAM • Test Method: FTTS-FA-010-2007 4.2 • Equipment: Thermovision • Heat Source: 500W Halogen Lamp • Heat Distance: 100 cm Surface temperature before exposure: 20.22°C Surface temperature after 10 min exposure: 33.85°C Temperature change: +13.6°C Added Cesa Fiber Additives for heat preservation TEST METHOD STANDARD REQUEST TEST RESULT GB/T30127 Far infrared radiation properties Far infrared emissivity ≥0.88 (5-14um) (Test temperature: 34°C) 0.9 Far infrared radiation temperature rise ≥ 1.4°C 9°C GB/T 18319-2019 Thermal retention with accumulated by infrared ray Maximum temperature rise ≥ 6°C 8.9°C Mean temperature rise ≥ 4.4°C (20 minutes) 5.6°C FTTS-FA-010 Infrared radiation properties & thermal retention temperature rise Average emissivity ≥ 0.8 (2-22um) (Test temperature: 25°C) 0.8 Specified heating ΔT ≥ 0.5°C (relative to the standard) +5.34°C (ΔT) GB/T 11048-2008 Method A Thermal transmittance Unit: clo Naked body: 0 Underwear: 0.04 T-shirt: 0.09 Thick sweater: 0.35 Winter coat: 0.7 All the data above are the reference value 0.625 Human Physiological Experiment Blood flow volume +12.9% Blood flow velocity +13.6% Blood oxygenation(%SpO2) +1.7% www.avient.com Copyright © 2023, Avient Corporation.

All Rights Reserved 2025 Avient 2024 sales B U S I N E S S S E G M E N T S E N D M A R K E T S R E G I O N S 63% 37% S E M C A I 23% 20% 15% 10% 10% 8% 7% 4% 3% Packaging Telecom Energy Defense Healthcare Building & construction Transportation Industrial Consumer 41% 35% 18% 6% US & Canada Latin America Asia Europe, Middle East and Africa 24Copyright © . All Rights Reserved 2025 Color, Additives & Inks E N D M A R K E T S R E G I O N S 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 25Copyright © . All Rights Reserved 2025 Specialty Engineered Materials E N D M A R K E T S R E G I O N S 20% 17% 14%13% 9% 9% 7% 7% 4% Defense Packaging Telecom Building & construction Transportation Industrial Consumer 54% 33% 13% US & Canada Asia Europe, Middle East and Africa Energy Healthcare Copyright © .

Types T-200 Rubber Reinforcement. T-240 Fabrics, Composites.

Microsoft PowerPoint - PolyOne Investor Presentation 5.4.20_v8 • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • P E O P L E P R O D U C T S P L A N E T P E R F O R M A N C E •• •• •• JVs Performance Products & Solutions Distribution Specialty     To be the world’s premier provider of specialized polymer materials, services and solutions To be the world’s premier provider of specialized polymer materials, services and sustainable solutions • • • • • • • • • • • • • • 2016 2017 2018 2019 Lightweighting Reduced Material Requirements Improved Recyclability Renewable Energy Applications Eco-conscious Bio-derived Content Reduced Energy Use VOC Reduction $275M $325M $355M $410M 14% Total Annual Growth 9% Organic Annual Growth PolyOne Corporation 33 Adjusted EPS attributable to PolyOne common shareholders is calculated as follows: 2009* 2010* 2011* 2012* 2013* 2014* 2015* 2016** 2017** 2018 2018*** Q1 2019*** 2019 Q1 2020 Net income from continuing operations attributable to PolyOne common shareholders Joint venture equity earnings, after tax Special items, before tax (1) Special items, tax adjustments (1) Adjusted net income from continuing operations attributable to PolyOne common shareholders $ 106.7 $ 152.5 $ 153.4 $ 53.3 $ 94.0 $ 78.0 $ 144.6 $ 166.4 $ 173.5 $ 161.1 $ 87.7 $ 22.4 $ 75.5 $ 33.1 (19.0) (14.7) (3.7) — — — — — — — — — — — (48.7) 24.2 (48.1) 55.1 46.3 164.2 87.6 23.8 32.9 59.5 58.7 12.2 61.7 9.6 (27.2) (96.7) (24.7) (18.9) (13.7) (73.7) (58.7) (15.9) (24.8) (25.3) (25.1) (1.2) (5.9) (1.0) $ 11.8 $ 65.3 $ 76.9 $ 89.5 $ 126.6 $ 168.5 $ 173.5 $ 174.3 $ 181.6 $ 195.3 $ 121.3 $ 33.4 $ 131.3 $ 41.7 Diluted shares 93.4 96.0 94.3 89.8 96.5 93.5 88.7 84.6 82.1 80.4 80.4 78.2 77.7 86.7 Adjusted EPS attributable to PolyOne common shareholders $ 0.13 $ 0.68 $ 0.82 $ 1.00 $ 1.31 $ 1.80 $ 1.96 $ 2.06 $ 2.21 $ 2.43 $ 1.51 $ 0.43 $ 1.69 $ 0.48 * Historical results are shown as presented in prior filings and have not been updated to reflect subsequent changes in accounting principle, discontinued operations or the related resegmentation. ** Pro forma for sale of Designed Structures and Solutions segment (DSS). *** Pro forma for sale of Performance Products and Solutions segment (PP&S).