On January 28, 2020, prior to the issuance of the additional shares, the Company provided guidance for adjusted EPS for the first quarter of 2020. Accordingly, for purposes of comparability to the January 28, 2020 guidance, and prior year, management has referenced adjusted EPS excluding the impact of the additional shares issued in February. Reconciliation to Adjusted EPS Excluding Special Items and Impacts of February 2020 Equity Offering Three Months Ended March 31, 2020 Net income from continuing operations – GAAP $ 33.1 Special items, after tax (1) 8.6 After tax interest income earned on equity proceeds, included in Interest expense, net (0.7) Adjusted net income excluding special items and impact of interest income on equity proceeds $ 41.0 Diluted weighted-average shares used to compute earnings per common share 86.7 Weighted-average impact of 15.3 million shares issued in February 2020 equity offering (9.3) Diluted weighted-average shares excluding impact of shares issued in February 2020 equity offering 77.4 Adjusted EPS - excluding special items and the net impact of equity offering $ 0.53 Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to PolyOne shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to PolyOne shareholders, excluding special items, to assess performance and facilitate comparability of results.

On January 28, 2020, prior to the issuance of the additional shares, the Company provided guidance for adjusted EPS for the first quarter of 2020. Accordingly, for purposes of comparability to the January 28, 2020 guidance, and prior year, management has referenced adjusted EPS excluding the impact of the additional shares issued in February. Reconciliation to Adjusted EPS Excluding Special Items and Impacts of February 2020 Equity Offering Three Months Ended March 31, 2020 Net income from continuing operations – GAAP $ 33.1 Special items, after tax (1) 8.6 After tax interest income earned on equity proceeds, included in Interest expense, net (0.7) Adjusted net income excluding special items and impact of interest income on equity proceeds $ 41.0 Diluted weighted-average shares used to compute earnings per common share 86.7 Weighted-average impact of 15.3 million shares issued in February 2020 equity offering (9.3) Diluted weighted-average shares excluding impact of shares issued in February 2020 equity offering 77.4 Adjusted EPS - excluding special items and the net impact of equity offering $ 0.53 Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to PolyOne shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to PolyOne shareholders, excluding special items, to assess performance and facilitate comparability of results.

Reported GAAP earnings per share of $0.59 vs. $0.58 in the prior year first quarter GAAP earnings per share was I'm very pleased to report a strong start to the year, as we reported adjusted EPS growth of 15% for the first quarter," said

Big or small, we earn customers, and we keep them. Aligned with leading reporting frameworks – GRI, SASB, TCFD. Full conformance will be built over subsequent reporting cycles

Reporting Last year, we improved our ratings from two key and influential third-party agencies, earning a Gold medal from EcoVadis (94th percentile) and an A- from CDP. Thank you for your interest in our company, and I hope you enjoy reading this Sustainability Report.

Microsoft PowerPoint - AVNT Q4 2021 Earnings Presentation (v17) - W PEERS x ESI AVIENT CORPORATION F O U R T H Q U A R T E R 2 0 2 1 R E S U L T S A N D 2 0 2 2 F I N A N C I A L G U I D A N C E (NYSE: AVNT) F E B R U A R Y 8 , 2 0 2 2 D I S C L A I M E R 2 Forward-Looking Statements In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. 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. Avient acquired Clariant Color on July 1, 2020 (the “Acquisition Date”).

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. Big or small, we earn customers, and we keep them. Free Cash Flow Calculation Year Ended December 31, 2020 Cash provided (used) by operating activities $ 221.6 Capital expenditures (63.7) Free Cash Flow 157.9 Payment of post-acquisition date earnout liability 38.1 Taxes paid on gain on divestiture 142.0 Adjusted Free Cash Flow $ 338.0 Year Ended December 31, 2019 Free Cash Flow Calculation Total Discontinued Operations Continuing Operations Cash provided by operating activities $ 300.8 $ 74.4 $ 226.4 Capital expenditures 81.7 14.1 67.6 Free Cash Flow $ 219.1 $ 60.3 $ 158.8 6 Avient IR Presentation - Goldman Sachs and Morgan Stanley.pdf Avient IR Presentation - Goldman Sachs and Morgan Stanley - Website.pdf Avient Q4 Earnings and 2021 Outlook.pdf Avient Q4 Earnings and 2021 Outlook.pdf Avient Q4 Earnings and 2021 Outlook.pdf Avient Q4 Earnings and 2021 Outlook.pdf Avient Q4 Earnings and 2021 Outlook.pdf 2.5.21 IR Deck Attachments clean

Refer to Attachment 7 Reconciliation of Non-GAAP Financial Measures for details regarding adjustments to previously reported results to arrive to the pro forma financial metrics. # # http://www.avient.com/ 4 Forward-looking Statements In this press release, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. 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 7 Attachment 1 Avient Corporation Summary of Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Three Months Ended September 30, Nine Months Ended September 30, 2021 2020 2021 2020 Sales $ 1,219.8 $ 924.5 $ 3,617.3 $ 2,245.1 Operating Income 78.7 33.5 307.2 124.3 Net income from continuing operations attributable to Avient shareholders 52.9 1.7 201.0 57.8 Basic earnings per share from continuing operations attributable to Avient shareholders $ 0.58 $ 0.02 $ 2.20 $ 0.64 Diluted earnings per share from continuing operations attributable to Avient shareholders $ 0.57 $ 0.02 $ 2.18 $ 0.64 Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.

Homepage // News Center // Avient Site in Taiwan Earns ISO 13485 Accreditation; Fourth Source for MEVOPUR™ ‘Medical-Grade’ Materials January 19, 2022 TAOYUAN, Taiwan – January 19, 2022 – Avient Corporation, a premier provider of specialized and sustainable material solutions and services, today announced the ISO 13485:2016 certification of its production site in Taoyuan, Taiwan (near Taipei). 

The non-GAAP financial measures include: Adjusted Earnings Per Share, Adjusted EBITDA and Adjusted EBITDA Margin. Unless otherwise stated, Adjusted EBITDA figures included in this presentation exclude the impact of special items as defined in our quarterly earnings releases. Continue fostering our Great Place to Work® culture Strategic Objectives Long Term Growth Rates Growth Drivers $340 $455 $790 $1,120 2016 2018 2020 2023E $51 $84 $212 $650 2016 2018 2020 2023E $108 $113 $231 $230 2016 2018 2020 2023E $265 $358 $726 $730 2016 2018 2020 2023E 8-12% 8-10% 8-10% 5% Sustainable Solutions Composites Healthcare Asia/Emerging Regions Profitable Growth Great Place to Work 5.4% 10.9% 16.0% 2006 2014 2023E EBITDA Margins $0.14 $1.93 $2.30 2006 2014 2023E Adjusted EPS TOP -T IE R S US TAINABIL IT Y P E RF ORM ANCE AND RE COGNIT ION Industry Sustainability Standards ESG Ratings Performance 1 3 5 87th 94th percentile 5 Innovation is the lifeblood of a specialty company.