ELECTRONICS BRAND P O R T A B L E S P E A K E R W E I G H T E D C O M P O N E N T • Ensures quality sound performance • Injection molding capabilities for design flexibility • Impact protection within a set temperature range • Meets target density 3.0g/cm3 and product weight 400g • Reduced scrap and improved product manufacturability, compared to metal, with an injection molded formulation • Met strict testing requirements, including achieving desired impact protection performance at the specific temperature range and target weight • Maintained depth of base sound Gravi-Tech™ Density Modified Formulation KEY REQUIREMENTS WHY AVIENT?

Cosmetic brands COSMETIC BRANDS C O V E R O F A I R C U S H I O N P O W D E R C O M P A C T • Low coefficient of friction (COF) to balance the opening pressure and sealing performance • General FDA compliance • Good chemical resistance and barrier protection to water and oxygen • Overmold to PP with good compression set • Delivered chemically resistant material with excellent sealing properties and good resilience to achieve requested performance • Provided onsite technical support to improved injection speed and achieve good bonding performance • Offered a material solution that could be leveraged across the customer’s global cosmetic brands Custom Versaflex™ TPE KEY REQUIREMENTS WHY AVIENT?

PIPE & FITTINGS MANUFACTURER W A T E R / F L U I D D I S T R I B U T I O N • Suitable for PP-R and PP-RCT • Specific color targets for external and inner layers • Improved resistance to chlorine for the inner layer • Food contact approval for the inner layer • Batch-to-batch consistency • Matched color references in concentrates suitable for PP-R and PP-RCT • Developed custom colorant/antioxidant combination masterbatch with high resistance to chlorine and food contact approval for the inner layer • Ensured batch-to-batch consistency for sustained performance Color concentrates and color/antioxidant combination masterbatch KEY REQUIREMENTS WHY AVIENT?

LAWN & GARDEN OEM F A N F O R B L O W E R / V A C U U M • Lighter than incumbent magnesium part to improve start- up efficiency and enhance overall user experience • High impact resistance to withstand the effect of fast- moving landscaping debris • Good dimensional stability to meet tight tolerances of assembly • Expertise to guide next-generation product development • Proved material performance success through extensive Mold Flow and FEA simulations to prove concept without prototyping and minimize development costs • Produced material globally to support regional demands • Referred customer to US-based dependable mold shops to support local production Complēt™ MT 40% Long Glass Fiber Impact Modified Formulation KEY REQUIREMENTS WHY AVIENT?

LAWN & GARDEN OEM F A N F O R B L O W E R / V A C U U M • Lighter than incumbent magnesium part to improve start- up efficiency and enhance overall user experience • High impact resistance to withstand the effect of fast- moving landscaping debris • Good dimensional stability to meet tight tolerances of assembly • Expertise to guide next-generation product development • Proved material performance success through extensive Mold Flow and FEA simulations to prove concept without prototyping and minimize development costs • Produced material globally to support regional demands • Referred customer to US-based dependable mold shops to support local production Complēt™ MT 40% Long Glass Fiber Impact Modified Formulation KEY REQUIREMENTS WHY AVIENT?

AUTOMOTIVE OEM W A T E R P R O O F S E A L O N A C C E S S O R Y P A R T • FDA food contact compliance • Color match to OEM-specified gray • 70 Shore A durometer for overmolding to PP • Scratch and mar resistance • Provided material compliant with FDA 21 CFR 177.1210 • Supplied both the base resin and at-press colorant to meet OEM specifications • Offered TPV alloy grade that enabled easy processing and durable surface aesthetics • Specified material in North America with design engineers and supplied out of a facility in China to meet production needs Versalloy™ XL Thermoplastic Elastomer KEY REQUIREMENTS WHY AVIENT?

PTFE Wire insulation WIRE & CABLE OEM P T F E W I R E I N S U L A T I O N • Avoid contamination risks resulting ​from dry pigments • Powder paste extrusion process • High quality dispersion • Availability of custom color options • Optimized pigment particle size and distribution to achieve high-quality dispersion • Provided a technology based on high-quality pigments and ready-to-use formulations​ • Offered a liquid pigment portfolio as standard in a wide range of shades with color-matching capabilities • Improved the stability and efficiency of the manufacturing process Colorant Chromatics PTFE Dispersed Pigment Solutions KEY REQUIREMENTS WHY AVIENT?

W A X M A T ® G R I P T A P E • Provide alternative material to traditional wax and EVA foam for grip on surfboards • Translucent appearance • Coextrude with polypropylene (PP) film • Excellent UV resistance • Customized formulation for exceptional hydrophobic grip and non-abrasive finish • Incorporated specialty additives to enhance UV resistance and inhibit mold growth • Solved technical processing challenges to achieve efficient coextrusion of materials and achieve optimal bonding to adhesive backing • Enabled customer to achieve market differentiation and expand into new markets and applications Custom GLS™ TPE Wet Grip Formulation KEY REQUIREMENTS WHY AVIENT?

4) Based on 91,253,130 common shares outstanding as of February 28, 2024. PROXY STATEMENT 2024 | Annual Meeting of Shareholders 49 The 2023 Corporate and Business Segment Annual Plan weightings reflect adjustments from 2022 as follows: Corporate Annual Incentive Program Measure 2022 Weighting 2023 Weighting Adjusted Operating Income (Consolidated) 60% 70% Working Capital as a % of Sales 20% 20% Sustainability Objectives 20% 10% Business Segment Annual Incentive Program Measure 2022 Weighting 2023 Weighting Adjusted Operating Income (Consolidated) 20% 10.5% Adjusted Operating Income (Business Segment results) 40% 59.5% Working Capital as a % of Sales (Business Segment results) 20% 20% Sustainability Objectives 20% 10% We set appropriate performance goals in 2023 under the 2023 Annual Incentive Program that focused our efforts on those factors that we believed were critical to our ongoing success, including earnings improvement, cash generation from working capital, efficiencies in our operations, and the advancement of sustainability initiatives. Kunkle — 4,022(1) 321,750(1) 643,500(1) — — — — — — 28,875(2) 231,000(2) 462,000(2) — — — — — 2/17/2023 — — — 7,083(3) 21,250(3) — 42.93 269,117 11/1/2023 — — — (4) (4) — 42.93 95,223 11/1/2023 — — — (4) (4) — 52.64 27,135 11/1/2023 — — — (4) (4) — 42.27 5,130 2/17/2023 — — — — — 6,300(6) — 270,459 11/1/2023 — — — — — (7) — 151,675 11/1/2023 — — — — — (7) — 69,605 11/1/2023 — — — — — (7) — 15,354 R.M.

Base Resin PPA PC PSU PES PPS Co- polymer Acetal PEEK PA Barrel Temperatures* °F (°C) Rear Zone 550–580 (288–305) 550–590 (288–310) 600–640 (316–338) 630–660 (332–338) 550–580 (288–304) 350–370 (177–188) 660–700 (349–371) 440–490 (227–254) Center Zone 560–600 (293–316) 570–600 (300–316) 620–670 (327–354) 650–680 (343–360) 560–615 (293–324) 380–390 (193–200) 700–730 (371–388) 470–510 (243–266) Front Zone 580–620 (304–327) 580–630 (304–322) 630–680 (332–360) 670–730 (354–388) 590–630 (310–332) 390–430 (200–221) 720–750 (382–400) 490–540 (254–282) Nozzle 575–615 (302–324) 580–630 (304–322) 630–680 (332–360) 680–700 (360–371) 600–625 (316–330) 380–415 (193–213) 720–750 (382–400) 520–570 (271–300) Melt Temperature 575–615 (302–324) 580–625 (304–330) 625–675 (330–358) 650–710 (343–377) 600–625 (316–330) 370–410 (188–210) 670–740 (354–393) 520–570 (271–300) Mold Temperature 250–300 (121–150) 175–240 (80–116) 190–300 (88–150) 225–325 (107–164) 250–325 (121–164) 190–250 (88–121) 290–375 (143–190) 150–200 (66–93) Pack & Hold Pressure 50%–75% of Injection Pressure Injection Velocity in/s 1.0–3.0 Back Pressure psi 50 Screw Speed rpm 50–90 Drying Parameters °F (°C) 6 hrs @ 175 (80) 4 hrs @ 250 (121) 4 hrs @ 275 (135) 4 hrs @ 250 (121) 3 hrs @ 300 (150) 2 hrs @ 200 (93) 3 hrs @ 275 (135) 4 hrs @ 180 (82) Cushion in 0.125–0.250 Screw Compression Ratio 2.5:1–3.5:1 2.0:1–2.5:1 2.5:1–3.5:1 2.5:1–3.5:1 2.5:1–3.5:1 2.5:1–3.5:1 2.5:1–3.5:1 2.5:1–3.5:1 Nozzle Type General General General General General General General Reverse Taper Clamp Pressure 5–6 Tons/in2 of projected area of cavities and runner system * Barrel temperatures should be elevated for compounds designed for electrical insulative properties. STARTUP & SHUTDOWN RECOMMENDATIONS Purge Compound HDPE or HIPS Recycling Recycling Edgetek™ up to 20% is permissible.