PRE-FILLED SYRINGE COMPANY S Y R I N G E T I P C A P • Excellent sealing performance • No DEHP or natural rubber latex added during processing • Can be sterilized by EtO • Compliant with ISO 10993-4&5 and USP Class VI • Formulated a solution that met rigorous medical application requirements • Leveraged global footprint to ensure supply continuity • Increased process efficiency by replacing previous thermoset material with a TPE Versaflex™ HC Thermoplastic Elastomers KEY REQUIREMENTS WHY AVIENT?

GLS TPE - Bayer Cap - English BAYER® T P E O V E R M O L D E D C A P • Easy to grip and open • Design requirements: • Raised logo • Specific brand color • Optimize retail shelf space/reduce packaging • Improved packaging functionality for both user (ergonomic design) and on shelf (better stacking and reduced packaging) • Offered value-add formulation that allowed customer to extend brand differentiation in the market GLS™ Thermoplastic Elastomer KEY REQUIREMENTS WHY AVIENT?

SILICONE PRODUCT MANUFACTURER M E N S T R U A L C U P S • Biocompatible silicone pigment dispersion that meets healthcare industry material requirements • Custom-colored silicone paste colorant dispersion for liquid silicone rubber (LSR) • Offered a USP Class VI certified, biocompatible silicone colorant dispersion with necessary regulatory support to meet the stringent demands of healthcare product manufacturing • Provided color customization options through personalized communication and high-level technical support Stan-Tone HC Plus Silicone Dispersions for Healthcare KEY REQUIREMENTS WHY AVIENT?

Hygiene fiber manufacturer HYGIENE FIBER MANUFACTURER P P N O N W O V E N M U L T I L A Y E R S • Meet FDA requirements specified by the customer • Provide technical support including specific color, processing and molding recommendations • Deliver the brighter white colorants to make the final product look whiter and cleaner • Developed an FDA colorant to meet customer regulatory specifications • Provided technical expertise throughout the design and manufacturing process • Offered a brighter white color for the final product Remafin Fiber Colorants for PP KEY REQUIREMENTS WHY AVIENT?

Microsoft PowerPoint - AVNT Fermium Conference - May 2023 AVIENT CORPORATION I N V E S T O R P R E S E N T A T I O N (NYSE: AVNT) M AY 4 , 2 0 2 3 H O S T E D B Y : DISCLAIMER Forward-Looking Statements Certain statements contained in or incorporated by reference into this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. WHAT WE DO: MATERIAL SCIENCE 5 CUSTOM FORMULATION M AY 3 , 2023 W EB CAS T Keeping Safety First o Relentless focus on best-in-class safety performance as an ACC Responsible Care® organization Exceeding Customer Expectations o Complementary technologies and customer relationships offer opportunity for future revenue synergies o Proven innovation-led commercial strategy with strong brands and participation across the full value chain Collaboration in Innovation o Leveraging Dyneema®, the world’s strongest fiber™, to accelerate growth of sustainable, ultralight and high performance applications People – Culture is Everything o Talented, passionate and collaborative associates drive an effective integration strategy o Strong Great Places to Work® scores reflect positive integration efforts in first year AVIENT PROTECTIVE MATERIALS INTEGRATION 7 AVIENT PROTECTIVE MATERIALS K E Y I N D U S T R I E S PERSONAL PROTECTION Military • Law Enforcement • First Responders • Body Armor • Helmets • Vehicle Protection 50% MARINE & SUSTAINABLE INFRASTRUCTURE Towing / Mooring • Aquaculture • Floating Wind • Offshore Cranes 30% CONSUMER Consumer • Outdoor High Performance • Safety Equipment 8 Figures reflect approximate proportions of 2022 sales Q 1 P ER FO RM A N CE Q1 2023 PERFORMANCE VS. FX -11% FX -3% Total Avient -14% YoY Comparison against 2022 pro forma results • Aging infrastructure driving need for greater technological advancements and upgrades • Increased focus on strength and capacity of electrical grid plays into further adoption of composites into the market  UV, weather-resistance, customized capabilities  Best-in-class customer responsiveness  Local high-quality manufacturing, unparalleled breadth of portfolio  Expanding position in insulators, utility poles, crossarms, and wind energy Avient Confidential 15 ENERGY 15 • Fiber-optic investments from AT&T, Corning, Commscope continue to drive industry toward innovation • $42B BEAD program in Infrastructure Bill to increase cable deployments; well-positioned to capitalize on “Made in America” requirement and “last mile” buildout  Flame retardance, weather-resistance enables faster, safer, more reliable connections  Local manufacturing, unparalleled breadth of portfolio  Expanding position in insulation for wire jacketing, 5G buildout TELECOMMUNICATIONS Source: U.S.

Microsoft PowerPoint - Avient Q1 2021 Earnings - Final (For Print) AVIENT CORPORATION F I R S T Q U A R T E R 2 0 2 1 R E S U LT S (NYSE: AVNT) A P R I L 3 0 , 2 0 2 1 DISCLAIMER 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. Whether an additional line at an existing manufacturing plant, or a new facility in a growing region, we ramp-up quickly and cost-efficiently. 18 Capex / Revenue 2021E (%) AVIENT IS ASSET LIGHT Avient Specialty Other 2 3 2 2 2 3 3 4 3 3 3 4 4 5 5 5 6 7 7 8 24 t (E xc l. D is t. ) LB Median: 5%Median: 3% Avient reflects 2021 estimated revenue of $4,300M and excludes one-time synergy capture CAPEX ($20M) Avient Specialty Other Free Cash Flow Conversion (1) 2021E (%) Being asset light helps us to generate strong free cash flow that is in line with specialty formulators.

Microsoft PowerPoint - AVNT Q2 2021 Earnings Presentation - Website AVIENT CORPORATION S E C O N D Q U A R T E R 2 0 2 1 R E S U LT S (NYSE: AVNT) J U LY 3 0 , 2 0 2 1 DISCLAIMER 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. D is t. ) LB Median: 5%Median: 3% Avient reflects 2021 estimated revenue of $4,650M and excludes one-time synergy capture CAPEX ($20M) Avient Specialty Other Free Cash Flow Conversion (1) 2021E (%) Being asset light helps us to generate strong free cash flow that is in line with specialty formulators. Free cash flow conversion calculated as (EBITDA – Capex) / EBITDA Median: 81% Median: 78% HIGH FREE CASH FLOW CONVERSION Avient reflects 2021 estimated EBITDA of $580M and excludes one-time synergy capture CAPEX ($20M) 87 90 86 82 80 78 73 87 82 82 79 79 78 78 77 76 71 67 46 en t (6) Total Enterprise Value / 2021E EBITDA Our current valuation with updated guidance implies an EBITDA multiple that is below specialty formulator peers and the median of other selected chemical / specialty companies.

Fairchild, T. https://www.avient.com/products/engineered-polymer-formulations/high-temperature-polymer-formulations/compl-t-long-fiber-reinforced-structural-thermoplastics

Fairchild, T. https://www.avient.com/products/engineered-polymer-formulations/high-temperature-polymer-formulations/compl-t-long-fiber-reinforced-structural-thermoplastics

Fairchild, T. https://www.avient.com/products/engineered-polymer-formulations/high-temperature-polymer-formulations/compl-t-long-fiber-reinforced-structural-thermoplastics