Adjusted EPS attributable to PolyOne common shareholders is calculated as follows: 2009* 2010* 2011* 2012* 2013* 2014* 2015* 2016 2017 Net income from continuing operations attributable to PolyOne common shareholders $ 106.7 $ 152.5 $ 153.4 $ 53.3 $ 94.0 $ 78.0 $ 144.6 $ 166.4 $ 173.5 Joint venture equity earnings, after tax (19.0) (14.7) (3.7) — — — — — — Special items, before tax(1) (48.7) 24.2 (48.1) 55.1 46.3 164.2 87.6 23.8 32.9 Special items, tax adjustments(1) (27.2) (96.7) (24.7) (18.9) (13.7) (73.7) (58.7) (15.9) (24.8) Adjusted net income from continuing operations attributable to PolyOne common shareholders $ 11.8 $ 65.3 $ 76.9 $ 89.5 $ 126.6 $ 168.5 $ 173.5 $ 174.3 $ 181.6 Diluted shares 93.4 96.0 94.3 89.8 96.5 93.5 88.7 84.6 82.1 Adjusted EPS attributable to PolyOne common shareholders $ 0.13 $ 0.68 $ 0.82 $ 1.00 $ 1.31 $ 1.80 $ 1.96 $ 2.06 $ 2.21 * Historical results are shown as presented in prior filings and have not been updated to reflect subsequent changes in accounting principle, discontinued operations or the related resegmentation

Tax Consequences to the Company or its Subsidiaries Registration with the SECg EQUITY COMPENSATION PLAN INFORMATION AS OF DECEMBER 31, 2019 Number of securities to be issued upon exercise of outstanding options, warrants and rights Weighted-average exercise price of outstanding options, warrants and rights Number of securities remaining available for future issuance under equity compensation plans (excluding securities reflected in column (a)) PROPOSAL 4 — RATIFICATION OF APPOINTMENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM Our Board recommends a vote FOR this Proposal to ratify the Audit Committee’s appointment of EY as our independent registered public accounting firm for 2020.

Khandpur said, “I’m also very pleased to finish with full year adjusted EPS of $2.66, reflecting a 13% increase over the prior year.

Microsoft Word - Avient Announces Third Quarter 2024 Results 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Third Quarter 2024 Results • Third quarter sales increased 8% over the prior year quarter to $815 million supported by broad-based growth across all regions and most end markets • Third quarter GAAP EPS from continuing operations of $0.41 compared to $0.06 in the prior year quarter • Third quarter adjusted EPS of $0.65 exceeded guidance of $0.62 and increased 14% over prior year quarter, driven by organic revenue growth and margin expansion in both segments, as well as lower interest expense • 2024 full-year adjusted EPS guidance range narrowed to $2.63 to $2.67, from prior guidance range of $2.55 to $2.70; Revised guidance reflects 11% to 13% growth in adjusted EPS over the prior year • Increased dividend 5% to $1.08, on an annualized basis, representing the fourteenth consecutive annual increase CLEVELAND – October 31, 2024 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable materials solutions, today announced its third quarter 2024 results.

This multifaceted approach to addressing ESG matters reflects the company’s commitment to put thoughtful measures in place to tackle these difficult issues. A zero recordable injury goal reflects Avient’s focus on the People aspect of our 4P sustainability cornerstones. Our Board recognizes the benefits a diverse team brings to any organization, including driving results by virtue of reflecting the customers we serve.

AVIENT MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, either with respect to the information or products reflected by the information.

The Parties agree to replace the ineffective or invalid provision(s) by a provision of similar importance, which reflects as closely as possible the intent of the original clause. 20.2 Failure by either Party to require strict performance by the other Party of any obligation hereunder shall in no way affect its right thereafter to enforce any obligation, nor shall a waiver by either party of any breach be held to be a waiver of any previous or later breach.

To provide comparable results, the company references “pro forma” financial metrics, which include the business results of Avient Protective Materials for periods prior to the Acquisition Date, as if the transaction occurred on January 1, 2021 and reflect Distribution as a discontinued operation.

A zero recordable injury goal reflects Avient’s focus on the People aspect of our 4P sustainability cornerstones. Leading Change from the Top “I’m proud to work for a company whose core values reflect a strong commitment to diversity and inclusion. In 2022, we established the cost of carbon to better reflect the updated insights into the actual price of CO2 to society, and is within the ranges of the scenarios we use for assessing climate transition risks.

AVIENT MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, either with respect to the information or products reflected by the information.