Standard formulations conforming to UL 94 V-2, V-0 and 5VA performance ratings are available, with many in the portfolio offering elevated Relative Thermal Index (RTI) ratings. UL 94 V-2, V-0, 5VA ratings and elevated RTI ratings Non-halogen, UL94 V-2, and V-0 rated formulations

Forward – Looking Statements Page 2 • This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. EPS: $2.50 Assumptions • Operating margins in mid-range of 2015 targets • No global recession • No investment in incremental PP&S capacity • Completion of 2-3 midsize accretive acquisitions • Housing starts at 85% of 50 year norm by 2015 • Mid single digit revenue CAGR • Remain comfortably below 3X Net Debt / EBITDA Page 11 2012 Rev: $2.9B Adj. August 13 - Jefferies 2013 Investor Presentation non-GAAP v2 (2).pdf Reconciliation to Condensed Consolidated Balance Sheets

Zone 2 - Center 430° F 470° F 221° C 243° C Zone 3 - Front 440° F 480° F 227° C 249° C Nozzle 450° F 480° F 232° C 249° C MELT & MOLD TEMPERATURES ENGLISH (°F) METRIC (°C) COMMENTS Melt Temperature 450° F 480° F 232° C 249° C After processing, always purge residual PKE materials with fractional melt flow HDPE or PP.Mold Temperature 150° F 200° F 66° C 93° C DRYING CONDITIONS ENGLISH (°F) METRIC (°C) COMMENTS Temperature 180° F 82° C Drying not required. Duration 2–3 Hours Moisture Level Allowable N/A Notes These preliminary guidelines are based on lab results.

Zone 2 - Center 420°F 460°F 215°C 235°C Zone 3 - Front 430°F 470°F 220°C 240°C Nozzle 440°F 480°F 225°C 250°C MELT & MOLD TEMPERATURES ENGLISH (°F) METRIC (°C) COMMENTS Melt Temperature 440°F 480°F 225°C 250°C Wipe down mold surface after each production run. DRYING CONDITIONS ENGLISH (°F) METRIC (°C) Temperature 180°F 80°C Duration 2–4 Hours Moisture Level Allowable 0.05%–0.20% PROCESSING Screw Speed Typical screw speeds are recommended Injection Velocity 1–3 inch per second Back Pressure Lower back pressure is recommended Pack Pressure 60–80% of max injection pressure Hold Pressure 40–60% of max injection pressure Cool Time 10–30 seconds (depends on part geometry and dimensional stability) Residence Time Longer residence times are not advised 1.844.4AVIENT www.avient.com Copyright © 2021, Avient Corporation.

AFNOR M 2 in France, DIN 4102 B 2 – B 1 in Germany, UNI 8457 – 9174 C 1 in Italy, BKZ 5.2 in Switzerland, BS 5852.1990 CRIB 3-5 in UK)** • Standard portfolio available for PP injection molded applications APPLICATION BULLETIN * Laboratory weathering testing may not be determinative of all conditions of use; the end user must determine suitability of a product for its intended use ** Contact us for more information on regulatory compliance Copyright © 2022, Avient Corporation.

Density Impact Flexural Tensile HDT Equilibrium Moisture — PKE-GF PA12-GF PA612-GF 5 4 3 2 1 0 Impact Shrink Modulus Chemical Resistance Flexural (Cond.) CO2 Emission Factor — PKE-GF — PA6-GF — PA66-GF HDT Wear Density 5 4 3 2 1 0 Equilibrium Moisture 1: Poor 3: Good 5: Excellent

And, because TPEs can be overmolded, brand owners and packaging manufacturers have new options for designing components that can be integrated directly into the package. 4345, 4355, 4365 4465 4570 4665 Hardness Shore A 45A, 55A, 65A 65A 70A 65A Regulatory* • EU 10/2011 Color Translucent Translucent Natural Natural Overmolding Bonds To Polypropylene Polypropylene Polar substrates Polar substrates Chemical Resistance • #1 for soaps • Low-cost solution for non-polar oils • #2 for soaps • Some oils • #1 for polar & non-polar oils • #1 for non-polar solvents, like isododecane • #2 for non-polar oils • Abrasion resistance * Regulatory compliance is offered for consideration only—limitations apply; please check with product stewardship.

In addition, its customers have an obligation to comply with Federal Energy Regulatory Commission (FERC)2 physical security requirements. Using GlasArmor panels, Ballisti-Wall® and Ballisti- Cover® solutions enable utility companies to add a superior level of protection to critical components and meet FERC security requirements within a modular, adaptable construction. 1 https://www.nbcnews.com/news/us-news/three-substations- attacked-washington-state-rcna63214 2 https://www.ferc.gov/sites/default/files/2020-04/E-4_10.pdf © 2023, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 To learn more about Avient’s advanced composite solutions, visit www.avient.com/composites.

Zone 2 - Center 420°F 460°F 215°C 235°C Zone 3 - Front 430°F 470°F 220°C 240°C Nozzle 440°F 480°F 225°C 250°C Melt & Mold Temperatures English (°F) Metric (°C) Comments Melt Temperature 440°F 480°F 225°C 250°C Wipe down mold surface after each production run.Mold Temperature 125°F 200°F 50°C 90°C Notes These guidelines are based on lab results, and their values may not reflect actual processes using different machinery. Drying Conditions English (°F) Metric (°C) Temperature 180°F 80°C Duration 2-4 Hours Moisture Level Allowable 0.05%–0.20% Processing Screw Speed Typical screw speeds are recommended Back Pressure Lower back pressure is recommended Pack Pressure 60 - 80% of max injection pressure Hold Pressure 40 - 60% of max injection pressure Cool Time 10 - 30 seconds (depends on part geometry and dimensional stability) www.avient.com Copyright © 2020, Avient Corporation.

AFNOR M 2 in France, DIN 4102 B 2–B 1 in Germany, UNI 8457–9174 C 1 in Italy, BKZ 5.2 in Switzerland, BS 5852.1990 CRIB 3–5 in UK)** • Standard portfolio available for PP injection molded applications APPLICATION BULLETIN * Laboratory weathering testing may not be determinative of all conditions of use; the end user must determine suitability of a product for its intended use ** Contact us for more information on regulatory compliance Copyright © 2022, Avient Corporation.