Customized a formulation to achieve super soft gel performance without a tacky finish Smart Alternative for Heat Dissipation Yields Savings TPEs that are ideal for healthcare, consumer goods and cutting-edge electronics such as wearables

We did all of the above this past year without sacrificing safety or our culture. The Company sponsors various voluntary retirement savings plans (RSP). Exhibit 31.1 CERTIFICATION I, Robert M.

This additive technology can be implemented during PET processing without impact on production efficiency. 0 10 20 30 40 50 60 70 80 0.050 0.1 0.15 0.2 % A A Re du ct io n % Use Rate Anthranilamide 0 10 20 30 40 50 60 70 80 90 .04 .06 .08.020 0.1 0.16 0.180.140.12 0.2 % A A Re du ct io n % Triple A-1+ 1.844.4AVIENT www.avient.com Copyright © 2022, Avient Corporation. Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your sales representative for property ranges and min/max specifications. This literature shall NOT operate as permission, recommendation, or inducement to practice any patented invention without permission of the patent owner.

Biodegradable & compostable BIO FILM BAG MANUFACTURER F L E X I B L E P L A F I L M • Easy film unwinding without optical impairments or mechanical damage • Excellent clarity and transparency in BOPLA applications • Compliant with food contact applications* • Provided a solution to minimize film-to-film surface contact, decreasing the coefficient of friction between layers lying on top of each other • Created a customized formulation by mixing anti- blocking additives and slip agents, maintaining process speed without impacting performance or film quality • Improved handling of the PLA shopping bags, making them easier to open CESA™ & OnCap™ BIO ABSL additives KEY REQUIREMENTS WHY AVIENT?

CUTLERY MAKER P R E M I U M K I T C H E N K N I V E S • Replaced aluminum while providing the same premium weight and feel of a metal • Withstand dishwashing without the discoloration issues of aluminum handles • Streamlined the design and molding phase, working directly with the manufacturer • Enabled the customer to expand their product line, providing a dishwasher safe kitchen knife into the market Gravi-Tech™ Density Modified Material KEY REQUIREMENTS WHY AVIENT?

At Avient, we strive to create a world-class sustainable organization by conducting business in a way that meets the needs of the present without compromising the ability of future generations to meet their own needs.

In addition, this TPE material uses existing molds, eliminating the cost of new molds and reducing development time, enabling the manufacturer to enjoy more cost-efficient production without delay while driving brand growth.

PolyOne sponsors various voluntary retirement savings plans (RSP). Exhibit 31.1 CERTIFICATION I, Robert M. Patterson Exhibit 31.2 CERTIFICATION I, Bradley C.

There is no limit on colors that can be used to create the fabric look. Processing conditions can cause material properties to shift from the values stated in the information. This literature shall NOT operate as permission, recommendation, or inducement to practice any patented invention without permission of the patent owner.

This can result in breakage, chalking and discoloration of the final product. Processing conditions can cause material properties to shift from the values stated in the information. This literature shall NOT operate as permission, recommendation, or inducement to practice any patented invention without permission of the patent owner.