AUTOMOTIVE MIRROR & CAMERA MANUFACTURER C A B L E G R O M M E T • Electrically conductive All Rights Reserved https://www.avient.com/products/thermoplastic-elastomers/stat-tech-tpe-static-dissipative-electrically-conductive-thermoplastic-elastomers Automotive mirror & camera manufacturer

PHILIPS AVENT M I L K B O T T L E S E A L • FDA, EU & China fatty food contact regulations • Provided a tight seal at elevated temperatures for sterilization • Can cater to repeated refrigeration • Utilized material expertise to develop a product to meet fatty food contact regulations and offer safe sealing performance • Enabled mothers to convert their Philips AVENT bottles into breast milk storage containers Versaflex™ FFC2882-87 Thermoplastic Elastomer KEY REQUIREMENTS AVIENT SOLUTION REGULATORY COMPLIANCE LEARN MORE WHY AVIENT? All Rights Reserved. https://www.avient.com/products/thermoplastic-elastomers/versaflex-thermoplastic-elastomers

AVIENT SOLUTION MEDICAL DEVICE MANUFACTURER C O M P A R T M E N T C O V E R • Improve grip with a matte rubber finish • Comply with RoHS Directive • Provide superior adhesion to PC/ABS • Achieved excellent adhesion to PC/ABS at a lower wall thickness of to 2mm • Improved aesthetics and usability with the rubber finish provided by our custom formulation • Provided quick responses to customer queries and accelerated time to market KEY REQUIREMENTS GOOD ADHESION + COMPLIANCE LEARN MORE Versollan™ Thermoplastic Elastomers Copyright © 2023, Avient Corporation. All Rights Reserved. https://www.avient.com/products/thermoplastic-elastomers/versollan-thermoplastic-elastomers

AVIENT SOLUTION SWIMMING GEAR BRAND S W I M G O G G L E G A S K E T A N D N O S E B R I D G E • Bio-content material • Good adhesion to PC • Flexible and comfortable to wear • Easy to process • Customized formulations for a transparent Shore 43A TPE with 40% bio-based content for the gasket and a natural 57A TPE with 30% bio-based content for the nose bridge to meet sustainability and comfort targets • Delivered excellent performance in order to pass strict chlorine, brine, and QUV tests • Offered prompt development and on-site technical services to accelerate commercialization KEY REQUIREMENTS SUSTAINABILITY + SEALING LEARN MORE reSoundTM BIO Thermoplastic Elastomers Copyright © 2022, Avient Corporation. All Rights Reserved. https://www.avient.com/products/thermoplastic-elastomers/resound-bio-thermoplastic-elastomers

A LIFE SCIENCE COMPANY S E R U M C O L L E C T I O N C A R T R I D G E • Excellent clarity • Good bonding and peel strength onto PP • Heat resistance • Meet sterilization needs • Easy processing • Formulated transparent Shore 50A TPE with excellent adhesion onto PP and good sealing performance • Met regulatory requirements for USP Class VI and ISO 10993-4,5 • Provided a short lead time and on-site technical service Versaflex™ CL Thermoplastic Elastomers KEY REQUIREMENTS WHY AVIENT? All Rights Reserved. https://www.avient.com/products/thermoplastic-elastomers/versaflex-hc-thermoplastic-elastomers

HVAC Thumb Wheel and Vent NEW ENERGY VEHICLE OEM H V A C T H U M B W H E E L & V E N T • Reliable sealing performance • Excellent abrasion resistance • Good bonding with PA6 • Formulated a TPE with good sealing and insulation for gaskets within the vent to minimize air and moisture leaks, improving the overall efficiency and performance of the HVAC system • Provided a solution that resisted wear, abrasion, and impact to enhance the longevity of components Versaflex Thermoplastic Elastomers KEY REQUIREMENTS WHY AVIENT? LEARN MORE https://www.avient.com/products/thermoplastic-elastomers/versaflex-thermoplastic-elastomers Slide 1: New energy vehicle oem

ORTHOPEDIC PARTS MANUFACTURER O R T H O P E D I C S O L E I N S E R T • A super soft TPE ( AVIENT SOLUTION HAPTICS + BIOCOMPATIBILITY LEARN MORE © 2024 Avient Corporation, All Rights Reserved https://www.avient.com/products/thermoplastic-elastomers/versaflex-thermoplastic-elastomers

THERMALLY CONDUCTIVE THERMOPLASTICS REDUCE WEIGHT IN VEHICLE LIGHT HEAT SINKS THERMALLY CONDUCTIVE THERMOPLASTICS REDUCE WEIGHT AND DISSIPATE HEAT © 2023, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 Interested in learning more about thermally conductive thermoplastics? This combined with the design freedom, weight reduction, and cost advantages of thermoplastics, opens up the possibility to use them for metal replacement. As a result, Elausa replaced Zamak with Therma-Tech thermoplastics, significantly reducing part weight from 38g to 9g.

Microsoft PowerPoint - PolyOne Investor Presentation 5.4.20_v8 • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • P E O P LE P RO D U CT S P LA N E T P E RF O R MAN 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 Senior management uses comparisons of adjusted net income from continuing operations attributable to PolyOne shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to PolyOne shareholders, excluding special items, to assess performance and facilitate comparability of results. 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 $ 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 Joint venture equity earnings, after tax (19.0) (14.7) (3.7) — — — — — — — — — — — Special items, before tax(1) (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 Special items, tax adjustments(1) (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) Adjusted net income from continuing operations attributable to PolyOne common shareholders $ 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). Reconciliation to Adjusted EPS Excluding Special Items and Impacts of February 2020 Equity Offering Three Months Ended March 31, 2020 Net income from continuing operations – GAAP $ 33.1 Special items, after tax(1) 8.6 After tax interest income earned on equity proceeds, included in Interest expense, net (0.7) Adjusted net income excluding special items and impact of interest income on equity proceeds $ 41.0 Diluted weighted-average shares used to compute earnings per common share 86.7 Weighted-average impact of 15.3 million shares issued in February 2020 equity offering (9.3) Diluted weighted-average shares excluding impact of shares issued in February 2020 equity offering 77.4 Adjusted EPS - excluding special items and the net impact of equity offering $ 0.53 Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data)

SPORTS EQUIPMENT OEM D I S C G O L F D I S C S • Replace incumbent polymer with an alternative material that offered consistent supply and comparable performance • Colorable and able to support product differentiation using special effects • Grippy but not tacky • Ability to meet varying flexibilities and weights • Professional Disc Golf Association approval • Presented a TPE with diverse durometers to support a range of disc capabilities, weights and grip features • Delivered a durable material with good flow characteristics for simple and economical production • Provided a natural, easy-to-color material with good UV resistance • Offered a breadth of material and specialty services to enable product line expansion using metallic effects, polymer additives, and additional material formulations Dynaflex™ Thermoplastic Elastomers KEY REQUIREMENTS WHY AVIENT? All Rights Reserved. https://www.avient.com/products/thermoplastic-elastomers/dynaflex-thermoplastic-elastomers