NYSE: AVNT), a leading provider of specialized and sustainable material solutions, intends to release its fourth quarter 2021 earnings before the market opens on 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:https://www.prnewswire.com/news-releases/avient-to-hold-fourth-quarter-2021-conference-call-301457938.html

NYSE: AVNT), a leading provider of specialized and sustainable material solutions, intends to release its third quarter 2023 earnings before the market opens on NYSE: AVNT) 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:https://www.prnewswire.com/news-releases/avient-to-hold-third-quarter-2023-conference-call-301949880.html

NYSE: AVNT), a leading provider of specialized and sustainable material solutions, intends to release its fourth quarter 2022 earnings before the market opens on NYSE: AVNT) 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:https://www.prnewswire.com/news-releases/avient-to-hold-fourth-quarter-2022-conference-call-301715031.html

NYSE: AVNT), a leading provider of specialized and sustainable material solutions, intends to release its first quarter 2023 earnings before the market opens on NYSE: AVNT) 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:https://www.prnewswire.com/news-releases/avient-to-hold-first-quarter-2023-conference-call-301790093.html

NYSE: AVNT), a leading provider of specialized and sustainable material solutions, intends to release its fourth quarter 2020 earnings before the market opens on 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/avient-to-hold-fourth-quarter-2020-conference-call-301207987.html

NYSE: AVNT), a leading provider of specialized and sustainable material solutions, intends to release its first quarter 2021 earnings before the market opens on 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/avient-to-hold-first-quarter-2021-conference-call-301269161.html

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

Regardless of the equipment type, preventing cross-contamination is crucial for all equipment in contact with samples, including body samples (tissue, fluids) and microorganisms, to ensure accurate results. Color and special effect masterbatches pre-tested to ISO, US Pharmacopeia, European Pharmacopeia, and ICH Q3D protocols for identification and differentiation Explore our wide portfolio of medical-grade colorants and specially formulated thermoplastic elastomers to meet your medical pakaging needs.

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.

Microsoft Word - Final - 7.29 1158am AVNT-2021.06.30-News Release (002) 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Record Second Quarter 2021 Results, Increases Full Year Guidance • GAAP EPS from continuing operations increased to $0.74 from $0.25 in the prior year quarter • Sales increased 42% to $1.235 billion and adjusted EPS increased 107% to $0.87 driven by very strong demand conditions in nearly all end markets • Full year adjusted EPS guidance for 2021 increased from $2.80 to $3.00, representing 55% growth over the prior year adjusted EPS of $1.93 • Investor Day to be held December 9th in New York City will highlight sustainable solutions portfolio and innovation to drive future growth CLEVELAND – July 30, 2021 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable material solutions, today reported its second quarter results for 2021. See Attachment 3 for a definition and summary of special items. See Attachment 3 for a definition and summary of special items.