Reporting We appreciate that you have chosen to read Avient’s Sustainability Report. This Sustainability Report captures our on-going progress in this important work.

Color & Insights Report: January 2022 Consumer Electronics November 2020

Color & Insights Report: January 2022 Consumer Electronics November 2020

January 13, 2016 January 4, 2016

January 19, 2018 January 12, 2018

January 31, 2023 January 23, 2023

January 23, 2017 January 20, 2017

This webcast replaces the previously communicated earnings webcast date that was originally scheduled to be held on Wednesday, April 27. You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. 4 Non-GAAP Financial Measures The Company uses both GAAP (generally accepted accounting principles) and non-GAAP financial measures. Rose Vice President, Corporate Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com mailto:giuseppe.disalvo@avient.com mailto:kyle.rose@avient.com 5 Attachment 1 Avient Corporation Summary of Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Three Months Ended March 31, 2022 2021 Sales $ 1,293.8 $ 1,162.3 Operating Income 128.6 120.4 Net income attributable to Avient shareholders 84.2 79.3 Basic earnings per share attributable to Avient shareholders $ 0.92 $ 0.87 Diluted earnings per share attributable to Avient shareholders $ 0.91 $ 0.86 Senior management uses comparisons of adjusted net income attributable to Avient shareholders and diluted adjusted earnings per share (EPS) attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.

Q1 Avient Corporation Earnings Conference Call More Q4 Avient Corporation Earnings Conference Call More Q3 Avient Corporation Earnings Conference Call More

December 10, 2020 MILAN – December 10, 2020 – Avient Corporation, a premier provider of specialized and sustainable material solutions and services, today announced that Avient ColorWorks™ has launched ColorForward™ 2022. NOTE: On July 1, 2020, PolyOne and Clariant Masterbatches joined together as Avient, a new kind of materials company focused on conquering customer challenges and unlocking the potential for innovation and sustainability around the globe.