Avient Introduces durable orange nylon colorants for High Voltage Electrical Vehicle (EV) Connectors, combining high heat and long-term color stability against fading in glass-filled PA6 and PA66 systems without compromising flame retardancy or mechanical performance. SHANGHAI – April 23, 2024 – Avient Corporation, a premier provider of specialized and sustainable materials solutions and services, announces the launch of a new range of OnColor™ durable orange nylon colorants developed to improve the heat and long-term color stability of cautionary, orange-colored polymers for high-voltage electric vehicle (EV) connectors.

ANTENNA MANUFACTURER P H A S E S H I F T A N T E N N A • Achieved miniaturization through customized high dielectric constant (Dk) materials • Offered high Dk grades with superior processing window and stability compared to lower Dk ( < Dk6.0) grades • Verified dimensional and electrical stability would also meet needs of navigation system substrate to streamline sourcing Edgetek™ Formulations for 5G KEY REQUIREMENTS WHY AVIENT? All Rights Reserved. • Stable electrical performance ( +/- 0.1) • Good surface finish to prevent lamination issues • Relatively wide processing window • Dimensional and electrical stability https://www.avient.com/products/engineered-polymer-formulations/conductive-signal-radiation-shielding-formulations/edgetek

LubriOne_Autoinjector Pen _Application snapshot_0419 AUTO-INJECTOR PEN OEM P L U N G E R S C R E W • Reduce friction and improve durability • Good strength and stiffness • Dimensional stability • Formulated a self-lubricating material to meet injection accuracy requirement • Improved the user experience by improving injector’s wear resistance • Achieved consistent dimensional stability and properties LubriOne™ Internally Lubricated Formulation KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION SELF-LUBRICATED + DIMENSIONAL STABILITY LEARN MORE Copyright © 2022, Avient Corporation.

UTG® HUNTING & SHOOTING SPORTS G U N M A G A Z I N E H O U S I N G • Good dimension stability with low warpage at different temperature ranges (70˚C, room temperature, -40˚C) • Good appearance with less glass fiber exposure • Provided durable and impact-resistant glass fiber reinforced formulation with excellent surface finish and good dimensional stability for smooth operation • Passed all temperature durability and drop tests to confirm use in outdoor environments • Collaborated with customer via technology services to accelerate product development Bergamid™ Customized Polyamide Formulation KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION DURABILITY + STABILITY LEARN MORE Copyright © 2021, Avient Corporation.

In addition, the new SynPlast option for flexible PVC features supply stability to help counteract historic supply chain disruptions of 810TM, and is formulated for use in wire and cable and automotive slush molding PVC applications.

Technical Literature Marketing + Technical Info Cesa™ Clean Additives

• Custom sizes, profiles, tooling design and prototyping available for specific applications USES AND APPLICATIONS Transportation - Automotive chassis, automotive body panels, marine stringer systems, floor strengthening and stability reinforcement Consumer - Watersports paddles, sporting goods sticks, tent poles, fishing rods, archery bow limbs and arrow shafts, bicycle frames, sail battens Infrastructure & Construction - Bridge support and retrofitting repair, support beams, concrete reinforcement Healthcare - Orthopedic external fixators Energy - Wind turbine blades and stiffeners PRODUCT BULLETIN Property CFRP Barstock, Laminates & Pultruded Profiles Resin Epoxy, Vinyl ester Tensile Strength 400–500 ksi 2758–3447 MPa Flexural Strength 130–350 ksi 896–2413 MPa Flexural Modulus 18–22 msi 124–152 GPa Glass Transition Temperature 149–320 °F 65–160 °C Density 0.056–0.060 lb/in3 1.54–1.65 g/cm3 TECHNICAL PROPERTIES (Typical Values) 1.844.4AVIENT www.avient.com Copyright © 2021, Avient Corporation.

This formulation provided both the processability required for extremely short cycle injection-compression molding, as well as including an additive to stabilize the material when in contact with copper.

This formulation provided both the processability required for extremely short cycle injection-compression molding, as well as including an additive to stabilize the material when in contact with copper.

Hanna consolidate • Cultures clash – commodity wins • Dependent on income derived from commodity joint ventures The First 6 Years • Globally organized along three strategic platforms • Non-core equity investment dispositions • Talent upgrades, discipline instilled throughout organization • New CEO hired to transform POL into specialty business �18 of 20 officers new • Implemented four pillar strategy • Nearly 50% of The Second 6 Years History of PolyOne – A Transformation • Focused on increasing volume, not profits • Heavily tied to cyclical markets 2000 2006 2012 The FormationThe Formation The TransformationThe Transformation The New PolyOneThe New PolyOne organization • Demonstrated ability to deliver • Nearly 50% of business operating income derived from Specialty Platform* • Specialty assets acquired *Pro forma for ColorMatrix acquisition Page 8 30% 50% 70% 90% $10 $12 $14 $16 $18 PolyOnePolyOne Stock Price S&P 500 (relative performance) Strategy and Execution Drive Results | | | | -50% -30% -10% 10% 30% $0 $2 $4 $6 $8 $10 2006 2007 2008 2009 2010 2011 2012 Page 9 Four Pillar Strategy The World’s Premier Provider of Specialized Polymer Materials, Services & Solutions Page 10 60% 80% 100% % o f O p e ra ti n g I n co m e * Old PolyOne Transformation 2012 Target “What We Said” Mix Shift Highlights Specialty Transformation Ahead of Schedule *Operating Income excludes Corporate Charges ** Pro Forma for the acquisition of ColorMatrix and divestiture of SunBelt 2% 34% 42% 50% >50% 0% 20% 40% 2005 2008 2011 2011** 2012 % o f O p e ra ti n g I n co m e * JV's PP&S Distribution Specialty Specialty OI $5M $46M $89M $117M “What We Said” Page 11 2007 2012 Target 2011 “Where we were” “What we said” “Where we are” 1) Operating Income % Specialty 3.2% 10% - 12% 8.9% PP&S 6.1% 8% - 10% 7.2% Pro forma ColorMatrix Proof of Performance Distribution 3.0% 4% - 5% 5.6% 2) Specialty Platform sss% of Operating Income 20% >50% 50% 3) Specialty Vitality Index 21% 35% - 40% 49% 4) ROIC* (pre-tax) 11% >15% 16% 5) Sales outside the US 37% >40% 40% *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period Page 12 2011 Pro forma ColorMatrix 2015 Target “Where we are” “Where we expect to be” 1) Operating Income % Specialty 8.9% PP&S 7.2% 12 – 16% 9 – 12% Elevating our Expectations and Yours PP&S 7.2% Distribution 5.6% 2) Specialty Platform % of Operating Income 50% 3) ROIC* (after-tax) 10% 4) Adjusted Annual EPS Growth 3 yr CAGR = 71% 9 – 12% 6 – 7.5% 65 – 75% 15% Double Digit Expansion *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period Page 13 • Four pillar strategy, coupled with our ability to execute is driving results • Strong leadership team driving growth & executing • Innovation and services provide differentiation and How do we get there?