KEY CHARACTERISTICS • Highly flame retardant: Flame retardancy helps prevent fire and to limit damage if one starts • Non-halogenated: During a fire, there are no ingredients to cause acidic gas emissions from the polymer, which can damage equipment and buildings • Low smoke: In the event of fire, people are more able to find the escape exit and fire fighters can quickly find the source of the fire • Low toxicity: People are not likely to be overcome by toxic fumes • Low dripping: No flaming droplets are likely to propagate a fire or injure evacuees • Manufacturing efficiency: Easy processing with a smooth surface finish MARKETS AND APPLICATIONS The ECCOH range of specialty polymers help manufacturers meet CPR requirements for power, control and communication cables (including optical fiber cables) used in buildings. www.avient.com Copyright © 2020, Avient Corporation.

Additional draft may be required for grained/textured surfaces. 3 NYMAX BIO TROUBLESHOOTING Implement recommended solutions one at a time in the order specified until problem is resolved. Inspect thermocouple 1.844.4AVIENT www.avient.com Copyright © 2022, Avient Corporation.

KEY CHARACTERISTICS • Highly flame retardant: Flame retardancy helps prevent fire and to limit damage if one starts • Non-halogenated: During a fire, there are no ingredients to cause acidic gas emissions from the polymer, which can damage equipment and buildings • Low smoke: In the event of fire, people are more able to find the escape exit and fire fighters can quickly find the source of the fire • Low toxicity: People are not likely to be overcome by toxic fumes • Low dripping: No flaming droplets are likely to propagate a fire or injure evacuees • Manufacturing efficiency: Easy processing with a smooth surface finish MARKETS AND APPLICATIONS The ECCOH range of specialty polymers help manufacturers meet CPR requirements for power, control and communication cables (including optical fiber cables) used in buildings. www.avient.com Copyright © 2020, Avient Corporation.

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Patterson, Chairman, President and Chief Executive Officer, Avient Corporation. A recording of the webcast and the slide presentation will be available at avient.com/investors/events-presentations immediately following the conference call and will be accessible for one year. These costs are included in Corporate and eliminations.

Ashish Khandpur, President and Chief Executive Officer, Avient Corporation. A recording of the webcast and the slide presentation will be available at avient.com/investors/events-presentations immediately following the conference call and will be accessible for one year. These costs are included in Corporate.