1) Adjusted earnings per share reported in this proxy statement diffeff rs from what is reported under United States Generally Accepted Accounting Principles (“GAAP”). 2) Adjusted earnings per share and adjusted operating income forff consolidated PolyOne reported in this proxy statement differ from what is reported under United States GAAP. Therefore, the amount reported for Mr.

Senior Vice President and Chief Financial Officer, May 2008 to January 2011. Kahler: Senior Vice President, Chief Commercial Officer, January 2010 to date. Senior Vice President, Commercial Development, May 2006 to January 2010.

Recognized by Prestigious Rankings We were honored to earn prominent places in prestigious corporate rankings in 2022. Our progress in leadership diversity, employee safety, and community engagement helped us earn these recognitions. And our investments in innovation, composites, and sustainable solutions has significantly increased the overall earnings profile of the company, which will lead to long-term value creation for our company.

NYSE: POL) today reported its second quarter results for 2019. GAAP earnings per share were Adjusted earnings per share were

The FATCA code(s) entered on this form (if any) indicating that I am exempt from FATCA reporting is correct. You must cross out item 2 above if you have been notified by the IRS that you are currently subject to backup withholding because you have failed to report all interest and dividends on your tax return. No. 10231X Form W-9 (Rev. 10-2018) AVIENT CORPORATION ✔ 5 D 33587 WALKER ROAD AVON LAKE, OH 44012 3 4 1 7 3 0 4 8 8 7/20/2020

NOTICE OF 2020 ANNUAL MEETING OF SHAREHOLDERS Thursday, May 14, 2020 9:00 a.m. Kunkle Important Notice Regarding the Availability of Proxy Materials for the Annual Meeting to be held on May 14, 2020: The proxy statement, proxy card and annual report to shareholders for the fiscal year ended December 31, 2019 are available at our Internet website, www.polyone.com, on the “Investor Relations” page. 1) Adjusted EPS reported in this proxy statement differs from what is reported under United States GAAP.

Homepage // News Center // Avient Debuts New Composite Formulations Virtually at CAMX 2020 September 10, 2020 Avient is a premier sponsor and will be exhibiting virtually at CAMX, September 21-24, 2020.

Homepage // News Center // PolyOne Color Inspirations 2020 Brings Visionary Concepts into Focus For its seventh annual Color Inspirations palette, PolyOne again aligned with global megatrends and color research experts to create the 2020 Visionary Collection. EDITORS: For a high-resolution image, please click here: Color Inspirations 2020

Homepage // News Center // Avient’s Malmö, Sweden Site Earns ISCC PLUS Certification for Mevopur™ Healthcare Bio-based Polymer Solutions The site successfully underwent an audit by the certifying body DNV Business Assurance Sweden AB in January and has now received the ISCC PLUS certification in the bio-circular raw material category for its existing bio-based concentrates and formulations.

January 17, 2019 Ripple earned a bachelor's degree in Chemistry at