Avient makes no representations, guarantees, or warranties of any kind with respect to the information contained in this document about its accuracy, suitability for particular applications, or the results obtained or obtainable using the information. Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your sales representative for property ranges and min/max specifications.

Avient makes no representations, guarantees, or warranties of any kind with respect to the information contained in this document about its accuracy, suitability for particular applications, or the results obtained or obtainable using the information. Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your sales representative for property ranges and min/max specifications.

Avient makes no representations, guarantees, or warranties of any kind with respect to the information contained in this document about its accuracy, suitability for particular applications, or the results obtained or obtainable using the information. Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your sales representative for property ranges and min/max specifications.

Avient makes no representations, guarantees, or warranties of any kind with respect to the information contained in this document about its accuracy, suitability for particular applications, or the results obtained or obtainable using the information. Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your sales representative for property ranges and min/max specifications.

HDPE, PP, POM Fast acting new generation nucleant for PE and PP; improved dimensional stability, thermal and mechanical properties  Protection from moisture for improved barrier Reduced Moisture Vapor Transmission Rate (MVTR) HDPE ready-to-use formulation; moisture absorbing concentrates   Protection from oxygen scavenging in PET Reduced transmission of oxygen vacuum loss in BCT (blood collection tubes) and protect reagents from oxygen degradation   Protection from UV in transparent containers (PP, PE, PETG, COP) UV blocking in 290–450nm with no impact on clarity; protection of light sensitive reagents     Copyright © 2022, Avient Corporation. Avient makes no representations, guarantees, or warranties of any kind with respect to the information contained in this document about its accuracy, suitability for particular applications, or the results obtained or obtainable using the information. Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your sales representative for property ranges and min/max specifications.

It contains globally aligned standards and is rooted in international law. url=https%3A%2F%2Fwww.cbp.gov%2Ftrade%2Fforced-labor&data=05%7C01%7Cjacqueline.thomson%40avient.com%7Ca0427e02fa1b4b576fe208db6dac207e%7C7bc21b5c83b04482be9e2825d33c1759%7C0%7C0%7C638224359373869329%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=xxFjS7ADNXRYgriLexntpLUCOyllzLGactoRmj2EoCE%3D&reserved=0 https://www.avient.com/sites/default/files/2020-10/avient-conflict-minerals-policy-10.2020.pdf https://www.avient.com/sites/default/files/2020-10/avient-conflict-minerals-policy-10.2020.pdf • Engage in due diligence of supply chains by following a nationally or internationally recognized due diligence framework; • Upon request, report to Avient on its due diligence process and certify that 3TG metals supplied to Avient from the Covered Countries are conflict free; and • Promptly report to Avient any supply chain changes regarding the origin of 3TG metals or conflict status. • Enable employees and other stakeholders to report questions or concerns related to your business, people or products. • Uphold freedom of association and the right to collective bargaining in accordance with applicable laws.

Slide 1 PolyOne Corporation Page 1 PolyOne Innovation Day InterContinental Hotel New York, New York May 29, 2014 PolyOne Corporation Page 2 Forward-Looking Statements  In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. Patterson President and Chief Executive Officer PolyOne Corporation Page 27 Well Positioned for Revenue Growth Addressable Market by Platform $540 $215 $120 $40 $260 $525 ($ millions) Design/Service Sustainable Solutions Surface Modification Lightweighting Thermal Control Flame Retardancy $1.0 - $2.0 Billion of revenue generated from new products in 5 years Gross margin on new products exceed current gross margin by at least 10 percentage points World class vitality index of ≥ 35% 2018 PolyOne Corporation Page 28 Megatrends Aligned with Key End Markets Decreasing Dependence on Fossil Fuels Protecting the Environment Improving Health and Wellness Megatrend End Markets Globalizing and Localizing Health & Wellness Transportation Packaging Consumer PolyOne Corporation Page 29 2006 2013 Revenue ($ millions) Health and Wellness Evolution General purpose tubing TPE applications from GLS Specialty tubing Ergonomic enhancements Pre-certified biocompatible colorants Highly sophisticated catheter and drug delivery components Chemical and heat sterilizable materials Authentication and protection technologies Addressing wellness, prevention, diagnostic and therapy changes in healthcare setting Healthcare packaging solutions 2006 2015 & Beyond $416 $105 PolyOne Corporation Page 30 Transportation Evolution General purpose formulations (bumpers, roof racks) Long fiber for lightweighting Thermal management for LED lighting Thermoset composite pultrusions Conductive polymers for EMI shielding Formulations for aerospace interiors Thermoplastic composites High temperature formulations for aerospace Expand 3D printing capabilities 2006 2015 & Beyond 2006 2013 Revenue ($ millions) $709 $315 PolyOne Corporation Page 31 Packaging Evolution Masterbatch colors and PVC packaging materials TPEs to enhance brand appeal and consumer functionality Liquid color and additive technologies to extend shelf life, preserve taste and differentiate brands Leveraging color, additives and sheet technology for healthcare and consumer packaging solutions 2006 2015 & Beyond 2006 2013 Revenue ($ millions) $612 $260 PolyOne Corporation Page 32 Consumer Evolution Commodity plastic and masterbatch color solutions Engineered materials to enhance customer appeal through visual and performance improvements Formulated metal- to-polymer conversion to enhance performance and reduce manufacturing costs Biopolymers & composite materials leveraging unique color technology to build brand identity 2006 2015 & Beyond 2006 2013 Revenue ($ millions) $394 $228 PolyOne Corporation Page 33 Interactive Display Introduction PolyOne Corporation Page 34 Interactive Displays INNOVATION DISCUSSION LEADER TECHNOLOGIES MARKETS Polycast™ Bullet Resistant Sheet Aerospace GlasArmor™ Ballistic Resistant Panels Security reFlex™ Bio-Based Plasticizer Solutions Wilflex™ Oasis Hydrate InVisiO℠ Color Inspiration Forecast In-Store Audits OnColor™ Portfolio Light Weighting Thermal Management Corrosion Resistance Design Flexibility Sustainability Global Supply Chain Ergonomics and Aesthetics Consumer Appeal 9) Consumer Electronics Solutions Walter Ripple General Manager GLS Personal Electronics Wearable Electronics Hand Held Devices Portable Audio 7) Metal Replacement Technology Kurt Schuering Vice President Global Key Account Management Aerospace Transportation Electrical & Electronics Sporting and Shooting 8) Medical Device Solutions Dr.

The pigments and ingredients contained in Avient’s bio colorants have been tested in independent laboratories who assessed the compliancy of those materials according to standard EN 13432 for content of heavy metals, and toxicity to plants. Avient makes no representations, guarantees, or warranties of any kind with respect to the information contained in this document about its accuracy, suitability for particular applications, or the results obtained or obtainable using the information. Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your sales representative for property ranges and min/max specifications.

HOW IT WORKS Excelite additives typically contain 70%wt of active chemical foaming agent (CFA), dispersed in a liquid carrier, thus promoting greater product efficiency. Avient makes no representations, guarantees, or warranties of any kind with respect to the information contained in this document about its accuracy, suitability for par- ticular applications, or the results obtained or obtainable using the information. Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your sales rep- resentative for property ranges and min/max specifications.

INDUSTRY BULLETIN DISPERSIONS IN HEALTHCARE TECHNOLOGY DESCRIPTION TYPICAL APPLICATIONS Silicone Colorant Dispersions Biocompatible, conformable silicone rubber colorants that deliver lightfastness and aesthetic appeal • 3D medical silicone printing • Anatomical models and surgical guides • External prosthetics and orthotics • Wearable medical devices • Medical ventilation/respiratory masks • Dental and medical tools and equipment • Catheters and tubing • Medical adhesives Silicone Additive Dispersions Silicone additive solutions formulated to provide chemical resistance, durability, and enhanced physical properties Rubber Colorant Dispersions Durable rubber colorants formulated for optimal dispersion and lot-to-lot consistency to promote ease of handling • Medical devices and tools • Vibration and shock control for medical equipment • Drug delivery devices Urethane Colorant Dispersions Versatile urethane colorants that streamline production and enhance quality • Medical packaging • Foam enclosures/support for medical tools and equipment • Medical and surgical devices • Physical therapy tools Epoxy Colorant Dispersions Long-lasting, hygienic epoxy colorants that provide high-cost efficiency, stability, and customization opportunities • Medical adhesives • Healthcare facility floor coatings Vinyl Colorant Dispersions Vinyl colorants developed for applications where dispersion, uniformity, compatibility, and cleanliness are essential • Catheters and tubing • Medical equipment Aqueous Additive Formulations Functional additives stabilized, suspended, and dispersed in water that shorten development cycles, streamline operations, and can be customized to meet specific requirements • Medical gloves • Wound care Electrically Conductive Additives for Silicone Innovative silicone additives to provide high conductivity and lower filler loadings • Wearable medical devices • Neurostimulation electrode pads • Medical tools and equipment Laser Marking Additives for Silicone Dispersions containing laser absorbers and color formers that eliminate the need for secondary etching while promoting chemical resistance, mechanical property retention, and production efficiency • Medical packaging • 3D medical silicone printing • Anatomical models and surgical guides • External prosthetics and orthotics • Medical ventilation/respiratory masks • Medical devices Surface Modification Additives for Silicone Non-oil based silicone additives that reduce tackiness and enhance smoothness of the cured compound • Catheters and tubing • Dental tools and equipment • Medical adhesives • Medical devices, tools, and equipment Self-Bonding Silicone Silicone compounds able to bond to various substrates without prime coating • Medical tools and equipment • Wearable medical devices • Medical packaging This listing represents standard Avient dispersion technologies and addresses common healthcare applications, but we can work with you to explore additional options. Avient makes no representations, guarantees, or warranties of any kind with respect to the information contained in this document about its accuracy, suitability for particular applications, or the results obtained or obtainable using the information. Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your sales representative for property ranges and min/max specifications.