PolyOne IR Presentation – Robert W. PolyOne IR Presentation - GS - 5/21/14 - w Non GAAP PolyOne IR Presentation - Sidoti - w Non GAAP

PolyOne IR Presentation – Robert W. PolyOne IR Presentation - GS - 5/21/14 - w Non GAAP PolyOne IR Presentation - Sidoti - w Non GAAP

PolyOne IR Presentation – Robert W. PolyOne IR Presentation - GS - 5/21/14 - w Non GAAP PolyOne IR Presentation - Sidoti - w Non GAAP

PolyOne IR Presentation – Robert W. PolyOne IR Presentation - GS - 5/21/14 - w Non GAAP PolyOne IR Presentation - Sidoti - w Non GAAP

RED 485C W/ PEARL GEON W1202 NAT 0001 GEON W9300 NAT 0000

Typical runner cross-sections W = 1.25D 1/8 Ø MODIFIED TRAPEZOID 3/16 Ø MODIFIED TRAPEZOID 1/4 Ø MODIFIED TRAPEZOID 3/8 Ø MODIFIED TRAPEZOID 1/2 Ø MODIFIED TRAPEZOID 11 12 Figure 11. Product Family and Temperatures Product Family Mold Melt Nozzle Zone 3 Zone 2 Zone 1 Feed SBS Formulations 75-90ºF (25-32ºC) 370-390ºF 200ºC) 370-390ºF 200ºC) 360-380ºF (185- 195ºC) 340-360ºF 182ºC) 300-330ºF (150- 165ºC) 100-150ºF (40-65ºC) SEBS Formulations 110-130ºF (43-55ºC) 370-430ºF 220ºC) 390-430ºF (200- 220ºC) 390-430ºF (200- 220ºC) 370-390ºF 200ºC) 350-370ºF (175- 190ºC) 100-170ºF (40-75ºC) Supersoft Formulations 110-130ºF (43-55ºC) 340-390ºF 200ºC) 360-390ºF (180- 200ºC) 360-390ºF (180- 200ºC) 335-375ºF 190ºC) 300-330ºF (150- 165ºC) 100-120ºF (40-50ºC) Setting Shot Size When starting up a new mold, begin with short-shots, then gradually increase the shot size until all part cavities are 80-90% filled.

WHAT WE DO: WE ARE A FORMULATOR CUSTOM FORMULATION 6 N OVE MBE R 2 , 2023 W E BCAS T P RE S E N TAT I O N Complementary technologies and customer relationships offer opportunity to advance commercial strategy Dyneema®, the world’s strongest fiber™, to accelerate growth of sustainable, ultralight and high performance applications AVIENT PROTECTIVE MATERIALS FIRST YEAR 8 Composites comprises over half of Specialty Engineered Materials, compared to 9% in 2016 Proven history of success in areas such as outdoor high performance, defense and sustainable solutions Composites 44% 56% 2023E Sales Collaboration & InnovationComposites as a % of SEM People & Culture Talented, passionate, and creative associates drive continued integration success and allow two cultures to come together as one Avient Lightweight Protective Laminates: PROJECTILE PROTECTION Dyneema® Fiber Solutions Cushioning + Fit + Comfort: LONG-TERM WEAR reSound™ Versaflex™ Thermoplastic Elastomers Strength + Durability + Light-Weighting: SOLID MOUNTING BRACKETS Nymax™ Bergamid™ Complēt™ Engineered Materials Durability + Lubricity: HELMET LATCHES Lubri-One™ Internally Lubricated Polymers Color Consistency and Weatherability CUSTOMIZED SPECIFICATIONS Avient Color and Additive Solutions Antennae Performance FAST, RELIABLE CONNECTIONS PREPERM™ Low-Loss Dielectric Thermoplastics AVIENT PROTECTIVE MATERIALS CROSS SELLING OPPORTUNITIES Wired Connections CONSTANT COMMUNICATION Syncure™ Cross-linkable Wire & Cable Formulations9 10 AVIENT PROTECTIVE MATERIALS CROSS SELLING OPPORTUNITIES 10 Q 3 P E RFO RMAN CE 15.4% 16.3% 2022 PF 2023 Results vs.

The wall thickness (W) for ribs and bosses should be 75% of the nominal wall (.75W). The outside round should be the inside radius plus wall thickness (IR + W). FIGURE 32 - Bubbler (left) & Ba�e (Right) FIGURE 34 - Bubbler (left) & Baffle (right) FIGURE 35 - Series cooling line layout 25% - 75% Wall Thickness 10˚(soft materials) - 30˚(brittle materials) 110˚(brittle materials)- 140˚(soft materials) FIGURE 33 - Tunnel gate 18 Gravi-Tech Cooling Line Guidelines The rules for cooling line layouts are to keep the depth and pitch ratios constant throughout.

X ET SR-32371 Nat Base Geon(TM) MB3154 TRANS PURPLE B NP LO ODOR GEON W9300 NAT 0000

Geon(TM) DB4998 Beige NP GEON L8240 NAT 0000 GEON W9300 NAT 0000