COLORMATRIX™ ULTIMATE™ UV LIGHT BLOCKING ADDITIVES UV absorbing additive technology with broadband protection for PET and rPET COLORMATRIX™ ULTIMATE™ UV TECHNOLOGY The ColorMatrix™ Ultimate™ UV range offers cost- effective light blocking for UV sensitive products packaged in PET. Global formulations Ultimate UV technology is formulated for global use and can be used in combination with other ColorMatrix colorant and additive solutions. Handling Ultimate UV is supplied as a liquid dispersion which offers convenient, accurate and consistent dosing from minimal product addition.

PlanetPak containers are optimized and recommended for Avient liquid colors and additives. What is the normal liquid addition rate? Avient can provide support and assistance on every aspect of liquid color and additive processing.

ColorMatrix™ Lactra™ LX Light Blocking Additive for PET A bright white, light blocking technology for UHT dairy packaging ColorMatrix™ Lactra™ LX Light Blocking Additive provides high-performance light blocking technology and protection for liquid dairy products in monolayer polyethylene (PET) bottles. It is a bright white, solid masterbatch additive that protects contents from visible light and extends shelf life. To increase the user-friendly aspects of UHT dairy packaging, ColorMatrix Lactra LX Light Blocking Additive expands design freedom by allowing designers to use a single PET layer bottle to create the same visible light blocking as paperboard and multilayer HDPE and PET packaging.

This innovation drives performance and is reflective of consistent, strategic investments in technology and people Clariant Color business acquired July 1, 2020 1 1 2 3 5 7 7 7 9 10 30 40 14 25 13 22 35 9 19 13 18 41 Current Additional share needed to reach 2025 target B R A N D O W N E R S C O M M I T T E D TO I N C R E A S I N G U S E O F R E C YC L E D M AT E R I A L S 8 Brand Owner 1 Brand Owner 3 Brand Owner 2 Brand Owner 7 Brand Owner 4 Brand Owner 10 Brand Owner 6 Brand Owner 11 Brand Owner 5 Brand Owner 8 Brand Owner 9 Brand Owner 12 Brand Owner 13 Percent recycled plastic used: (examples and not exhaustive) (1) (1) Latest year reported. Whether an additional line at an existing manufacturing plant, or a new facility in a growing region, we ramp-up quickly and cost-efficiently. 22 Capex / Revenue 2021E (%) AV I E N T I S A SS E T L I G H T Avient Specialty Formulators Other Chemical/Specialty Companies 2 3 1 2 3 3 3 4 3 3 5 5 5 5 6 8 A vi e n t A vi e n t (E xc l. We will deliver for our stakeholders through multiple value creation levers—many of which are unique to Avient: o Demand for sustainable solutions, healthcare, and composites, together with Clariant Color revenue synergies, that will drive long-term revenue growth in excess of GDP o Clariant color cost synergy capture will result in significant near-term benefit In addition, we remain committed to increasing annual dividends in line with earnings growth and opportunistically buying back shares, all while remaining modestly levered.

In addition, unfavorable foreign exchange rates had a 0.8% impact. See Note 13, Income Taxes, for additional detail. Color, Additives and Inks Color, Additives and Inks is a leading formulator of specialized custom color and additive concentrates in solid and liquid form for thermoplastics, dispersions for thermosets, as well as specialty inks.

In addition, brand owners can readily include additives that identify authentic products, allowing them to combat counterfeit versions TPEs can also assist with fast visual identification at point-of-sale or during administration. 5. In addition, production costs increase, as rubber parts typically require deflashing and assembly using adhesives. In addition, the formulation meets ISO 15759 requirements for medical infusion equipment and is manufactured in an ISO 13485 facility.

All Rights Reserved 2025 7 Color, Additives & Inks – Q1 2025 performance Sales 515 520 Q1 2024 Q1 2025 EXCL. All Rights Reserved 2025 Color, Additives & Inks E N D M A R K E T S R E G I O N S 34% 21% 15% 11% 9% 8% Packaging Telecom 1%Energy 1% Transportation Industrial Consumer 34% 37% 20% 9% US & Canada Latin America Asia Europe, Middle East and Africa Healthcare Building & Construction 15Copyright © . Slide 12 Slide 13: Avient 2024 sales Slide 14: Color, Additives & Inks Slide 15: Specialty Engineered Materials Slide 16: Avient 2024 regional sales, by end market Slide 17: Raw material basket IR Deck - AVNT-2025.03.31 Non-Gaap Recs.pdf Attachment

All Rights Reserved 2025 10 Color, Additives & Inks - Q4 2024 performance Sales 459 468 Q4 2023 Q4 2024 EXCL. All Rights Reserved 2025 13 Color, Additives & Inks – full year 2024 performance Sales 2,007 2,047 FY 2023 FY 2024 EXCL. All Rights Reserved 2025 Color, Additives & Inks E N D M A R K E T S R E G I O N S 34% 21% 15% 11% 9% 8% Packaging Telecom 1%Energy 1% Transportation Industrial Consumer 34% 37% 20% 9% US & Canada Latin America Asia Europe, Middle East and Africa Healthcare Building & Construction 21Copyright © .

All Rights Reserved 2025 7 Color, Additives & Inks – Q1 2025 performance Sales 515 520 Q1 2024 Q1 2025 EXCL. All Rights Reserved 2025 Color, Additives & Inks E N D M A R K E T S R E G I O N S 34% 21% 15% 11% 9% 8% Packaging Telecom 1%Energy 1% Transportation Industrial Consumer 34% 37% 20% 9% US & Canada Latin America Asia Europe, Middle East and Africa Healthcare Building & Construction 15Copyright © . All Rights Reserved 2025 19 Reconciliation of Non-GAAP financial measures Reconciliation to EBITDA and Adjusted EBITDA Three months ended March 31, 2025 2024 $ Millions $ Millions Sales Color, Additives and Inks 519.7 515.3 Specialty Engineered Materials 308.4 314.4 Corporate (1.5) (0.7) Sales 826.6 829.0 Operating income Color, Additives and Inks 78.6 74.8 Specialty Engineered Materials 47.1 53.4 Corporate (125.0) (34.2) Operating income 0.7 94.0 Depreciation and amortization Color, Additives and Inks 21.7 21.9 Specialty Engineered Materials 21.5 19.6 Corporate 2.1 2.8 Depreciation and amortization 45.3 44.3 EBITDA Earnings before interest, taxes, depreciation and amortization Color, Additives and Inks 100.3 96.7 Specialty Engineered Materials 68.6 73.0 Corporate (122.9) (31.4) Other expense, net (0.4) (0.9) EBITDA 45.6 137.4 Special items, before tax 101.2 6.2 Interest expense included in special items (1.7) - Depreciation and amortization included in special items (0.4) (0.5) Adjusted EBITDA 144.7 143.1 Adjusted EBITDA as a percent of sales Color, Additives and Inks 19.3% 18.8% Specialty Engineered Materials 22.2% 23.2% PAGE 2 OF 3 Copyright © .

In addition, operating income before special items and adjusted EPS are components of various PolyOne annual and long-term employee incentive plans Patterson 1:30 Global Color, Additives and Inks John V. Van Hulle Senior Vice President, President of Global Color, Additives & Inks Michael E.