Event Type: Earnings Conference Call Q1 Avient Corporation Earnings Conference Call More Q4 Avient Corporation Earnings Conference Call More

Conference call participants in the question and answer session should pre-register using the link at avient.com/investors, or here, to receive the dial-in numbers and personal PIN. This information is required to access the conference call. 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.

Conference call participants in the question and answer session should pre-register using the link at avient.com/investors, or here, to receive the dial-in numbers and personal PIN. This information is required to access the conference call. 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.

Conference call participants in the question and answer session should pre-register using the link at avient.com/investors, or here, to receive the dial-in numbers and a personal PIN, which are required to access the conference call. 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.

Conference call participants in the question and answer session should pre-register using the link at avient.com/investors, or here, to receive the dial-in numbers and a personal PIN, which are required to access the conference call.  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.

Conference call participants in the question and answer session should pre-register using the link at avient.com/investors, or here, to receive the dial-in number and personal PIN. This information is required to access the conference call. 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.

Conference call participants in the question and answer session should pre-register using the link at avient.com/investors, or here, to receive the dial-in number and personal PIN.   This information is required to access the conference call.   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.

1) RC14001 is a combination of ACC Responsible Care and ISO14001 principles (2) For Incident Rate comparison - See image above (3) Severity rate includes days away from work and days restricted duty

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With a new user-centric online platform and modern, premium visual identity, the Dyneema® brand is better placed than ever to showcase its strengths, generate and capture market demand, and meet the needs and expectations of today’s buyers.   While the brand name therefore remains unchanged, the highly recognizable Dyneema® diamond logo – the ultimate symbol of strength – has been given a modern redesign inspired by the unique manufacturing process that enables Dyneema® fibers to be engineered at the polymer level.