Gajewski joined Avient in July 2013 from AkzoNobel/PPG and has since taken on multiple roles with increasing responsibility within the Human Resources function, including HR Director for Avient’s Color, Additives & Inks business segment, and an international assignment with responsibility for the EMEA and India regions. Gajewski led Avient’s learning and organizational development programs, talent management and acquisition, as well as working as the HR Director for all global Corporate Functions. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com

WOON KEAT MOH Senior Vice President, President of Color, Additives & Inks Woon Keat Moh (“Moh”) is Senior Vice President and President of Color, Additives & Inks at Avient Corporation, an innovator of materials solutions that help customers succeed while enabling a sustainable world. This has included Sales Director for Avient’s Color and Additives segment in Asia and General Manager of Engineered Materials Asia. Moh also served as Vice President of Asia, where he strengthened a One Avient approach internally and externally with customers, regional leaders and associations, as Avient has invested for growth in Asia.

XRU-2757 COLOR CONC STD STR BLUE XRU-2759 THV COLOR CONC STD BLACK XRU-2761 THV COLOR CONC WHITE

LIQUID COLOR RED 483-20165-1 LIQUID COLOR GEEN 484-10584-1 LIQUID COLOR GOLD 476-20321-2

Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources. Each of such adjustments has not yet occurred, are out of Avient’s control and/or cannot be reasonably predicted. Senior management believes the measures described above are useful to investors because they allow for comparison to Avient's performance in prior periods without the effect of items that, by their nature, tend to obscure Avient's operating results due to the potential variability across periods based on timing, frequency and magnitude.

Avient can help. Color Cosmetics Polymer Colorants

Patterson, Chairman, President and Chief Executive Officer, Avient Corporation. Webcast Details Avient will host a webcast on Wednesday, November 2, 2022 at 8:00 a.m. To access Avient’s news library online, please visit www.avient.com/news # # # Investor Relations Contact: Giuseppe (Joe) Di Salvo Vice President, Treasurer and Investor Relations Avient Corporation +1 440-930-1921 giuseppe.disalvo@avient.com Media Contact: Kyle G.

Color Cosmetics Polymer Colorants Liquid Color Concentrates

Color Cosmetics Mevopur™ Healthcare Colorants and Formulations Range of white colorants developed for use in pharmaceutical packaging

The Company acquired the Clariant Color business on July 1, 2020. To provide comparable financial results, Avient references “pro forma” financial metrics, which include the business results of Clariant Color for the entirety of 2020. Avient’s PCR Color Prediction Service helps me achieve this objective… The Redken launch would not have been possible without this service.”