Q1 2025 highlights Q1 2025 results Q1 2025 VS. Q1 2025 results Copyright © . 2025 7 Color, Additives & Inks – Q1 2025 performance Sales 515 520 Adj. EPS – Q2 2025 $0.79 2025 financial guidance unchanged

Q1 2025 highlights Q1 2025 results Q1 2025 VS. Q1 2025 results Copyright © . 2025 7 Color, Additives & Inks – Q1 2025 performance Sales 515 520 Adj. EPS – Q2 2025 $0.79 2025 financial guidance unchanged

The parties of this bill of lading acknowledge this application and controlling status of provisions of 49 U.S.C. Claims for overcharges and undercharges shall be governed by the statute of limitations stated in 49 U.S.C. 14705, and administered in accordance with 49 C.F.R. 1008, unless otherwise provided herein. Overcharges and undercharges resulting from typographical, mathematical, weight or clerical errors, or duplicate payments may be filed at any time within 18 months of delivery, and pursuant to 49 U.S.C. 14101(b), the parties hereby expressly waive any notification requirements that may be applicable under 49 U.S.C. 13710(a)(3) for such overcharges and undercharges.

Dusseldorf, Germany Germany

Jul 10, 2025 Jul 07, 2025 May 14, 2025

Jul 10, 2025 Jul 07, 2025 May 14, 2025

Jul 10, 2025 Jul 07, 2025 May 14, 2025

Avient Corporation - Ahrensburg Kornkamp 50 22926 Ahrensburg, Schleswig-Holstein Germany 65536-116855Certificate No: Page 5 of 53 ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A. Avient Corporation - Lahnstein, Germany Hohenrhein 1 56112 Lahnstein, Rheinland-Pfalz Germany Design and Manufacture of colour and additive concentrates, thermoplastic resins and specialty compounds 65536-116871Certificate No: Page 21 of 53 ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A. Avient Corporation - Tao Yuan, Taiwan No. 30, Hsing Pang Road Tao Yuan, -- - 330457 Taiwan 65536-117326Certificate No: Page 49 of 53 ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A.

& Canada 49% 25% 17% Latin America SEGMENT, END MARKET AND GEOGRAPHY 5 GEOGRAPHY REVENUESEGMENT FINANCIALS 21%Industrial Building & Electrical & END MARKET REVENUE All data reflects 2020 estimate and Pro forma for acquisition of the Clariant Masterbatch business Distribution w/ Synergies Adjusted EPS EBITDA as % of Sales (1) (1) (1,3) (2,3)(2) 15 • Barrier technology • Functional additives • Processing aids • Flame retardants • Light-weighting additives Complementary Technologies • Clariant’s approved formulations and certified facilities • Legacy PolyOne’s leading share in distribution channels Healthcare Solutions • Clariant’s position in SE Asia, Latin America, Germany & Italy • Legacy PolyOne’s position in U.S., Canada and China Regional Strengths • Solutions with Avient’s engineered materials customers • Avient’s distribution channels Segment Cross-selling COMPLEMENTARY TECHNOLOGIES AND CUSTOMERS DRIVE REVENUE SYNERGIES Revenue synergy opportunities in excess of $50MM by 2025 The complementary aspects of our combined businesses are unquestionable. We estimate in excess of $50 million dollars of new application sales by 2025, exclusively generated from the joining of our portfolios and technology teams.

& Canada 49% 25% 17% Latin America SEGMENT, END MARKET AND GEOGRAPHY 5 GEOGRAPHY REVENUESEGMENT FINANCIALS 21%Industrial Building & Electrical & END MARKET REVENUE All data reflects 2020 estimate and Pro forma for acquisition of the Clariant Masterbatch business. (1) The total company sales and EBITDA of $3,650M and $425M, respectively, include intercompany sales eliminations and corporate costs $2,000M $310M $685M $115M $1,050M $65M Sales EBITDA Distribution Specialty Engineered Materials Color Additives and Inks $425M$3,650M Innovation is the lifeblood of a specialty company. Distribution w/ Synergies Adjusted EPS EBITDA as % of Sales 16.7% $2.60 (1) (1) (1,3) (2,3)(2) 15 • Barrier technology • Functional additives • Processing aids • Flame retardants • Light-weighting additives Complementary Technologies • Clariant’s approved formulations and certified facilities • Legacy PolyOne’s leading share in distribution channels Healthcare Solutions • Clariant’s position in SE Asia, Latin America, Germany & Italy • Legacy PolyOne’s position in U.S., Canada and China Regional Strengths • Solutions with Avient’s engineered materials customers • Avient’s distribution channels Segment Cross-selling COMPLEMENTARY TECHNOLOGIES AND CUSTOMERS DRIVE REVENUE SYNERGIES Revenue synergy opportunities in excess of $50MM by 2025 The complementary aspects of our combined businesses are unquestionable. We estimate in excess of $50 million dollars of new application sales by 2025, exclusively generated from the joining of our portfolios and technology teams.