Injection Molding Parameters Base Resin PPA PPS PA 6/6 PA 12 Barrel Temperatures °F (°C)* Rear Zone 550–580 (288–305) 550–580 (288–305) 440–490 (227–254) 440–480 (227–250) Center Zone 560–600 (293–316) 560–615 (293–324) 470–510 (243–266) 460–510 (238–266) Front Zone 580–620 (304–327) 590–630 (310–333) 490–540 (254–282) 480–520 (250–271) Nozzle 575–615 (302 –324) 600–625 (316–330) 520–570 (271–300) 500–530 (260–277) Melt Temperature °F (°C) 575–615 (302–324) 600–625 (316–330) 520–570 (271–300) 500–530 (260–277) Mold Temperature °F (°C) 250–300 (121–150) 250–300 (121–150) 150–200 (66–93) 150–200 (66–93) Pack and Hold Pressure 50–80% of Injection Pressure Injection Velocity 1.0–3.0 in/sec Back Pressure 25–100 psi Screw Speed 25–75 rpm Drying Parameters °F (°C) 6 hours @ 175 (80) 6 hours @ 300 (150) 3 hours @ 180 (82) 3 hours @ 180 (82) Cushion 0.125–0.250 in 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 Nozzle Type General Purpose General Purpose Reverse Taper Reverse Taper Clamp Pressure 4–5 tons/in2 of projected area of cavities and runner system * Barrel temperatures should be elevated for compounds designed for electrical insulative properties.

Robert M. Sustainability Report | 2019 76 P E R F O R M A N C E Sustainability Report | 2019 77Sustainability Report | 2019 77 Packaging Consumer Performance Overview The fourth “P” of our sustainability cornerstones is Performance. More recently, with the divestiture of the PP&S segment in 2019 and the acquisition of Clariant Masterbatch in 2020, we have fundamentally repositioned our portfolio to that of a true specialty enterprise—from which we can springboard to even greater heights in the future.

Robert M. Sustainability Report | 2019 76 P E R F O R M A N C E Sustainability Report | 2019 77Sustainability Report | 2019 77 Packaging Consumer Performance Overview The fourth “P” of our sustainability cornerstones is Performance. More recently, with the divestiture of the PP&S segment in 2019 and the acquisition of Clariant Masterbatch in 2020, we have fundamentally repositioned our portfolio to that of a true specialty enterprise—from which we can springboard to even greater heights in the future.

Since our last Investor Day in 2018, we have significantly transformed the company with an increased focus on sustainable solutions,” said Robert M.

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Additional Criteria • Total heat release (MJ/m²) • pHRR (kW/m²) • Time of Ignition (s) • Smoke production • Acidity • Flaming droplets This example demonstrates the need to consider the complete cable design, as using XLPE for the insulation layer would not give the required Euroclass.

Additional Criteria • Total heat release (MJ/m²) • pHRR (kW/m²) • Time of Ignition (s) • Smoke production • Acidity • Flaming droplets This example demonstrates the need to consider the complete cable design, as using XLPE for the insulation layer would not give the required Euroclass.

Abernathy 69 2018 Yes M M Richard H. Goff 67 2011 Yes M C Neil Green 54 2021 Yes M M William R. Khandpur, Ph.D. 56 2023 No Sandra Beach Lin 66 2013 Yes M M Kim Ann Mink, Ph.D. 64 2017 Yes M M Ernest Nicolas 46 2021 Yes M M Kerry J.

EBITDA margin up from about 5% (2006) to 16% (2023) Our evolution Specialty formulator of materials Copyright © . 2024 21 Innovator of materials solutions to help our customers succeed, while enabling a sustainable world Our evolution...thinking differently about who we are Copyright © . 2024 22 Innovator of materials solutions to help our customers succeed, while enabling a sustainable world Our evolution...thinking differently about who we are platforms mindset higher focus on select platforms and markets driving a largely organic strategy and complementing with M&A over time Innovator of materials solutions to help our customers succeed, OUR PURPOSE is to be the... Free cash flow use 2020– 2024 est. 30% 37% 6%27% Debt paydown Dividend payments Share buybacks M&A, other 15% CAGR Copyright © . 2024 62 Disciplined capital allocation PRIORITIZATION AND PHILOSHOPY Capex Expected annual spend between 3-5% of revenue to support investment in organic growth Dividends Increasing each year with underlying earnings growth Debt pay down Target net debt to adjusted EBITDA less than 2.5x Share repurchases Opportunistic buy backs M&A De-emphasized in near term; complement organic growth strategy with M&A over time, as needed Copyright © . 2024 63 Avient is a compelling investment thesis Ability to adapt & pivot to deliver results highly motivated team with track record of operational and commercial excellence Global reach with local touch customer-centric focus across continents and cultures to serve locally and win globally Innovation differentiation by hybridizing technologies to create platforms at scale aligned to high growth market segments and secular trends MARGIN EXPANSION and sustainable growth ORGANIC GROWTH complemented by M&A over time as needed Strong CASH GENERATION and EXECUTION Broad customer base and COMPETITIVE ADVANTAGE Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Below is a reconciliation of non-GAAP financial measures to their most directly comparable financial measures calculated and presented in accordance with GAAP.