SAMPLE" 11000Q1 QuantumOne COTTON WHITE MOLD RELEASE Sales Order Confirmation - under "Material Header"

The site, conveniently located in an area close to major carpet and carpet yarn producers, specializes in developing and producing color solutions for the textile industry.   In addition to production, color matching, and quality control capabilities for fiber applications, the site houses a showroom featuring an extensive assortment of sample mono-color polypropylene yarn pompoms. Avient Corporation provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world.

Level of Assurance and Qualifications:  Limited  This verification used a materiality threshold of ±5% for aggregate errors in sampled data for each of the above indicators GHG Verification Methodology: Evidence-gathering procedures included, but were not limited to:  Interviews with relevant personnel of Avient and their consultant;  Review of documentary evidence produced by Avient;  Review of Avient data and information systems and methodology for collection, aggregation, analysis and review of information used to determine GHG emissions; and  Audit of sample of data used by Avient to determine GHG emissions. Page 3 WATER RESOURCES • ENVIRONMENTAL SERVICES • INDUSTRIAL HYGIENE • SAFETY • SUSTAINABILITY Apex Companies, LLC • (800) 733‐2739 • www.apexcos.com Statement of independence, impartiality and competence Apex is an independent professional services company that specializes in Health, Safety, Social and Environmental management services including assurance with over 30 years history in providing these services. We consent to the release of this declaration by you to the public or other organizations but without accepting or assuming any responsibility or liability on our part to any other party who may have access to this declaration.

I look forward to sharing more details in our third quarter earnings call and at our upcoming investor day in New York City on December 4th." 3 Sustainability Report Release The company also announced the release of its latest Sustainability Report, now available at www.avient.com/sustainability. See Attachment 3 for a definition and summary of special items. See Attachment 3 for a definition and summary of special items.

NYSE: POL), a premier provider of specialized polymer materials, services and solutions, intends to release its third quarter 2016 earnings before the market opens on 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-to-hold-third-quarter-2016-conference-call-300342095.html

NYSE: POL) a premier provider of specialized polymer materials, services and solutions, intends to release its fourth quarter 2016 earnings before the market opens on 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-to-hold-fourth-quarter-2016-conference-call-300388954.html

NYSE: POL) a premier provider of specialized polymer materials, services and solutions, intends to release its fourth quarter 2017 earnings before the market opens on is a premier provider of specialized polymer materials, services and solutions. View original content:http://www.prnewswire.com/news-releases/polyone-to-hold-fourth-quarter-2017-conference-call-300580338.html

NYSE: POL) a premier provider of specialized polymer materials, services and solutions, intends to release its fourth quarter 2015 earnings before the market opens on 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-to-hold-fourth-quarter-2015-conference-call-300203974.html

NYSE: POL) a premier provider of specialized polymer materials, services and solutions, intends to release its third quarter 2017 earnings before the market opens on is a premier provider of specialized polymer materials, services and solutions. View original content:http://www.prnewswire.com/news-releases/polyone-to-hold-third-quarter-2017-conference-call-300533416.html

NYSE: POL) a premier provider of specialized polymer materials, services and solutions, intends to release its first quarter 2018 earnings before the market opens on is a premier provider of specialized polymer materials, services and solutions. View original content:http://www.prnewswire.com/news-releases/polyone-to-hold-first-quarter-2018-conference-call-300627645.html