Examples include: • Dyneema®, the world’s strongest fiber™, enables unmatched levels of performance and protection for end-use applications, including ballistic personal protection, marine and sustainable infrastructure and outdoor sports • Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint • Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility Avient is certified ACC Responsible Care®, a founding member of the Alliance to End Plastic Waste and certified Great Place to Work®. Any forward-looking statement speaks only as of the date on which such statement is made, and we undertake no obligation to publicly update forward-looking statements, whether as a result of new information, future events or otherwise.

Adjusted EPS of $0.52 exceeded the $0.48 projection included in the Company’s performance update provided in December and was driven by better-than-expected sales in the Color, Additives and Inks segment. We undertake no obligation to publicly update forward-looking statements, whether as a result of new information, future events or otherwise.

VOTING AND MEETING INFORMATION Who is Eligible to Vote Advance Voting Methods www.proxyvote.com OVER THE INTERNET BY TELEPHONE BY MAIL Each shareholder’s vote is important. Key 2018 Company Performance Results.

Advanced Composites Advanced Composites Explained Advanced Composite Springs

Advanced Composites Advanced Composites Explained Advanced Composite Springs

Advanced Composites Advanced Composites Explained Advanced Composite Springs

Any forward-looking statement speaks only as of the date on which such statement is made, and we undertake no obligation to publicly update forward-looking statements, whether as a result of new information, future events or otherwise.

Key properties and attributes for reSound™ REC recycled content TPEs for overmolding (English language version)

One of the other key values of polyketone thermoplastics is their incredible chemical resistance, especially in contrast to aliphatic and aromatic hydrocarbons.

Fiber orientation, fiber location and fiber volume are three key variables in composite laminate design that affect the performance of the finished composite.