SEMICONDUCTOR PACKAGING OEM S P E C I A L T Y , S T A T I C D I S S I P A T I V E P A C K A G I N G • Provide protection against electrostatic discharge (ESD) and environmental variations • Ensure highly specialized, clean manufacturing conditions • Deliver stringent quality control of ionic and metal contamination • Maintain availability of raw materials across a global supply chain • Ability to translate production globally • Protected critical electronics from ESD while providing an environmental barrier • Adhered to strict quality and cleanliness controls from raw material handling through production to help maintain high-purity standards, such as ultra-clean feeders, deionized water, and specific HVAC systems, supporting quality initiatives, including PCS reviews, eCoA, and HA assessments • Exceeded customer expectations for controlling ionic and metal contamination down to parts per billion (PPB) • Offered global capabilities with local support and material supply to meet growing semiconductor industry needs Stat-Tech Static Dissipative Formulations KEY REQUIREMENTS WHY AVIENT?

Mesa Pool Colorants bring nature to life in finishes that withstand harsh water chemistry and beautifully maintain their color stability under normal water conditions.

Footprint (LxW cm) 86 x 71 98 x 38 60 x 35 55 x 30 86 x 80 Typical max. throughput (kg/hr) 1000 625 250 50 120 Max. metering rate (cc/s) 10 10 10 1.8 1.25 Continuous use Yes Yes No No Yes Transfer pumps PC/Peri Peri NA NA PC Metering pumps PC/Peri PC/Peri PC/Peri Peri PC Interchangeable cassette Yes Yes Yes No Yes Typical PlanetPak delivery unit 25L 25L NA 1L 25L Other delivery packaging IBC/LN Drum/LN LN LN NA PC PUMP RATE (cc/rev) 0.09 0.28 0.87 2.6 5.2 RECOMMENDED OUTPUT RANGE (g/min) 0.9 to 9 2.8 to 28 8.7 to 87 26 to 260 53 to 520 PC PUMP MAX (g/min) 18 56 174 520 1040 CONTROLLER CMG 3000 FlexG CMG 5000 CMG 6000 Application Injection Molding Extrusion Injection Molding Extrusion Injection Molding Extrusion Injection Molding Extrusion Melt Injection Volumetric/gravimetric V V (weight data) V/G V/G Data export/network No Yes Yes Yes Touch screen No Yes Yes Yes Multiple log-in levels No No Yes Yes FlexCart Model S Optional Yes No Mini Model S No Yes No Micro Yes No Yes No Nano Yes No No No Melt Injection No No No Yes Choosing a progressive cavity pump for transfer or metering Choosing the controller MAKING THE RIGHT CHOICE Here are the options which should be considered for an informed choice of combinations: (Note: LN = 3, 5 & 10L molded container PC = Progressing Cavity Pump Peri = Peristaltic Pump) Avient can provide support and assistance on every aspect of liquid color and additive processing. FURTHER USEFUL INFORMATION In addition to the standard operating manuals for the equipment, installation and operation videos can be accessed on the Avient YouTube channel—look for: • ColorMatrix FlexCart Micro • ColorMatrix FlexCart G • ColorMatrix FlexCart Mini • ColorMatrix FlexCart V2 • ColorMatrix FlexCart Priming + Extrusion • ColorMatrix FlexCart Priming + Calibration CONTROLLER FUNCTIONALITY The range of controllers designed to run the FlexCart units range includes: • CMG3000 • CMG5000 • CMG6000 • Flex-G The functionality of the controller systems is designed with flexibility and customer requirements at its core.

FLEXIBLE PACKAGING MANUFACTURER F L E X I B L E P O U L T R Y P A C K A G I N G • Provide low friction resistance for multilayer film structures with external polyamides • Prevent self-adhesion of plastic films • Enhance the end-use appearance • Provided additives that result in a lower coefficient of friction for packaging end products • Enhanced the appearance of packaging surfaces by creating a smoother finish • Offered expertise in additives for polyamides in flexible packaging and assistance in achieving regulatory approval Cesa Anti-Block Additives and Cesa Slip Additives KEY REQUIREMENTS WHY AVIENT?

HEALTHCARE DEVICE OEM S U R G I C A L S T A P L E R H O U S I N G • Easy-to-mold, durable, and good aesthetics • Excellent disinfection performance and good chemical resistance • Compatible with high- and low-temperature sterilization • Delivered durable and aesthetically pleasing specialty polymer with the added benefit of processing flexibility without retooling • Passed physical, chemical and disinfection tests in different testing conditions which proved good tensile strength and chemical resistance • Achieved consistent molding shape and properties Trilliant™ HC Thermoplastics KEY REQUIREMENTS WHY AVIENT?

DIVING BOARD SPRING D I V I N G B O A R D S P R I N G POOL DECK EQUIPMENT MANUFACTURER • Non-corrosive alternative to steel springs to prevent rust, degradation and staining of pool decks • Flexible and durable to prolong product life • Provided a corrosion-proof composite material to prevent rust stains on pool decks • Delivered a custom-shaped compression molded spring capable of deep deflection and high fatigue resistance for extended product life • Reduced weight by 75% compared to steel, resulting in lower shipping and installation costs Gordon Composites™ Molded Unidirectional Thermoset Barstock KEY REQUIREMENTS WHY AVIENT?

Versaflex HC - Syringe Plunger - English SYRINGE MANUFACTURER D I S P O S A B L E S Y R I N G E P L U N G E R • USP VI and ISO 10993-4,5 compliant • Sterilize by gamma & EtO • Long-term sealing performance • Low coefficient of friction (COF) • Consistent performance across barrel sizes • Provided a formulated solution that met rigorous medical application requirements • Improved global supply continuity • Increased process efficiency by replacing previous thermoset material with TPE Versaflex™ HC 2110-57B KEY REQUIREMENTS WHY AVIENT?

AVIENT SOLUTION MEDICAL DEVICE MANUFACTURER C O M P R E S S I O N C O N T R O L L E R H O U S I N G G R I P • Good adhesion to PCTG • Comfortable grip combined with ergonomics • Medical regulation compliance • Provided a medical-grade TPE with excellent bonding to PCTG and good chemical resistance • Improved ergonomics and aesthetics with a soft- touch material • Met medical regulation compliance: FDA21 CFR 177.2600 • Delivered good colorability to ensure a stable esthetic KEY REQUIREMENTS OVERMOLDING + REGULATORY SUPPORT LEARN MORE Versollan Thermoplastic Elastomers Copyright © 2024, Avient Corporation.

MEDICAL DEVICE MANUFACTURER G U I D I N G C A T H E T E R • Ultra-soft hardness of about Shore 50A • Excellent extrusion performance, achieving a thickness of about 0.1 mm • Smooth surface • Certification for biocompatibility • Delivered an ultra-soft TPU that has good elasticity, abrasion, and tear resistance • Complied with ISO 10993 biocompatible properties • Offered onsite service to support rapid extrusion performance for the customer NEUSoft Thermoplastic Polyurethanes KEY REQUIREMENTS WHY AVIENT?

D is t. ) K W R R P M P P G A V Y F U L G C P IF F H X L F M C F O E H U N E C L K R A E M N A S H C E S C L G R A A LB Median: 5%Median: 3% Source: Peer data per Bloomberg market data as of April 27, 2021 Avient reflects 2021 estimated revenue of $4,300M and excludes one-time synergy capture CAPEX ($20M) Avient Specialty Formulators Other Chemical/Specialty Companies 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: 84% Median: 77% HIGH FREE CASH FLOW CONVERSION Avient reflects 2021 estimated EBITDA of $560M and excludes one-time synergy capture CAPEX ($20M) Source: Peer data per Bloomberg market data as of April 27, 2021 87 89 87 86 82 81 76 88 87 84 82 81 78 77 77 77 76 73 70 69 50 19 A vi en t K W R P P G R P M A V Y F U L G C P F M C IF F H X L U N V R E C L A S H C E B N R F O E E M N G R A H U N K R A S C L A L B Source: Peer data per Bloomberg market data as of April 27, 2021 Total Enterprise Value / 2021E EBITDA Our current valuation with updated guidance implies an EBITDA multiple that is below specialty formulator peers and the majority of our chemical peers. With the Clariant Masterbatch acquisition and divestment of the PP&S business, our exposure is now concentrated in less-cyclical and high-growth markets, with increased geographic diversification and a more specialized portfolio that can significantly expand EBITDA margins. 28 Avient reflects 2021 estimated EBITDA of $560M OUR VALUATION VERSUS PEERS Avient Specialty Formulators Other Chemical/Specialty Companies 10.2 17.7 16.0 14.9 14.6 11.6 11.1 26.7 24.0 22.8 14.3 12.7 11.5 11.2 11.1 11.0 10.3 10.1 9.5 9.4 8.3 7.0 A vi en t K W R A V Y R P M P P G G C P F U L A L B H X L E C L IF F F M C B N R A S H G R A F O E S C L E M N U N V R C E K R A H U N Median: 11.1xMedian: 14.8x SUMMARY: WHY INVEST IN AVIENT?