Non-public information is company-related information that has not been released through an official news release or other official announcement. Special Circumstances: The existence of a personal financial emergency does not excuse anyone from compliance with this policy. The General Counsel maintains guidelines that all plans must meet in order to be considered for approval.

Registration details will be released shortly. Special items (1) Special items, after-tax

AVNT-2021.06.30-News Release 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Registration Details for December 9th Investor Day CLEVELAND – November 3, 2021 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable material solutions, will host an Investor Day for investment professionals on Thursday, December 9, 2021, from 8:00 a.m. to 1:00 p.m., at the New York Marriott Marquis hotel. https://www.avient.com/investors 2 About Avient Avient Corporation (NYSE: AVNT), with expected 2021 revenues of $4.75 billion, provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Rose Vice President, Corporate Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com https://www.avient.com/ https://www.avient.com/news mailto:giuseppe.disalvo@avient.com mailto:kyle.rose@avient.com NEWS RELEASE

NYSE: AVNT), a premier provider of specialized and sustainable material solutions and services, has announced it is collaborating with Oceanworks® to help customers incorporate recycled ocean plastics in their products. Traceability is ensured with Oceanworks Guaranteed material and transaction certificates for each order. View original content to download multimedia:http://www.prnewswire.com/news-releases/avient-collaborates-with-oceanworks-to-expand-use-of-recycled-ocean-plastics-301311827.html

A versatile and cost-effective choice, Omnicolor Multipurpose Colorants offer a low usage rate, low minimum order quantities, and a pelletized form for easy handling and storage. KEY CHARACTERISTICS • Multipurpose, multi-resin colorant concentrates • Formulated with high quality, heavy metal-free pigments • Carrier system designed for compatibility across different resin systems • Samples available with quick turnaround in small lots for customer evaluation • Available in a wide range of stock and standard colors* • Low LDRs—typically 1–3% • Low minimum order quantities for both stock and non-stock colors * Color availability dependent on region or country PRODUCT BULLETIN MARKETS AND APPLICATIONS Omnicolor Multipurpose Colorants can be used for injection molding, blow molding, or profile and sheet extrusion processes.

In order to meet demand and avoid delays, multiple PCR sourcing outlets are often necessary and multi-pass recycling is utilized, both of which can increase the risk of polymer degradation impacting mechanical properties and creating potential product safety issues due to food contact concerns. Based on color science, the tool helps optimize the ratio of virgin resin to PCR in order to achieve the best acceptable rendering, proven by scientific data. It can also help shorten launch time for new product ranges, allowing fast and reliable checks prior to initiating sample development.

SDS revisions will be issued when a new order is shipped for products where the revision is applied. The SDS is supplied to the shipping location from where the product is ordered. 5.3 Technical Data Sheets: A Technical Data Sheet will be made available on NEU proprietary technologies upon request. 5.4 Sales Order Confirmation: A documented response confirming acceptance of a Customer purchase order. It will be the responsibility of Customer to order sufficient quantities of materials to allow for any required qualification prior to the implementation of the change.

NYSE: POL), a premier global provider of specialized polymer materials, services and solutions, today announced the acquisition of two specialty businesses from is a premier provider of specialized polymer materials, services and solutions. To view the original version on PR Newswire, visit:http://www.prnewswire.com/news-releases/polyone-acquires-gordon-composites-and-polystrand-300304240.html

NYSE: POL), a leading global provider of specialized polymer materials, services and solutions, today provided an update to its second quarter 2019 performance outlook.  is a premier provider of specialized polymer materials, services and solutions. View original content:http://www.prnewswire.com/news-releases/polyone-raises-outlook-for-second-quarter-2019-adjusted-earnings-300864855.html

NYSE: POL), a leading global provider of specialized polymer materials, services and sustainable solutions, has completed its purchase of the color masterbatch businesses of Clariant and Clariant Chemicals India Ltd.   provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. View original content to download multimedia:http://www.prnewswire.com/news-releases/polyone-completes-clariant-masterbatch-acquisition-announces-new-name-avient-corporation-301086507.html