Avient Announces First Quarter 2025 Results... Avient To Hold First Quarter 2025 Conference Call... Avient Announces Fourth Quarter and Full Year 2024 Results...

Avient to debut Dyneema® Fiber at JEC World 2023 This includes personal ballistic protection, industrial protective gear, lightweight & breathable fabrics for outdoor adventures, as well as ropes, nets, and synthetic chains for offshore and maritime operations. About Avient 

IVCC and Avient joined forces to step up the global fight to eradicate malaria. Avient and IVCC created a new medium scale masterbatch production laboratory in China to support research and development into non-registered novel active ingredients for incorporation into long lasting treated nets. The pioneering facility supplies a platform to scale-up the formulation development and accelerate the process of launching innovative long lasting treated nets for protection against malaria together with innovation partners.

Plastic Bank® was the chosen supplier of the PCR content. Their collection communities collect and exchange ocean-bound plastic waste as currency for income and life-improving benefits, including health, work, and life insurance, digital connectivity, grocery vouchers, school supplies, fintech services, and more. THE SOLUTION Working with Plastic Bank, Avient expedited its approval as a new supplier, reducing Hager’s project timeline.

1)    What are your sustainability goals? The value chain can be involved in determining the functionality of a product. 1)    Sustainable color possibilities:

• FIBER-LINE® packing yarn are designed to improve the performance versus finished braid coatings, yielding time and cost savings Packaging FIBER-LINE® Packing Yarn are supplied on a variety of cardboard tubes to meet your equipment needs. Packages can be supplied on colored, embossed and/or slit tubes.

Handling Ultimate UV is supplied as a liquid dispersion which offers convenient, accurate and consistent dosing from minimal product addition. Wavelength (nm) – C93 Control 5 – Ultimate UV390-1 @ 0.15% 1 – UV390R 3 90 80 70 60 50 40 30 20 10 0 300 350 400 450 500 550 600 650 700 Tr an sm is si on (% ) 1.844.4AVIENT www.avient.com Copyright © 2023, Avient Corporation. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

Until now, silicone was the only proven material that was resistant to staining, but silicone produces a long list of challenges to phone case brands: lengthy lead times, supply chain issues, and manufacturing complexities. Avient has formulated a new material that offers blue jean stain resistance similar to that of silicone*, yet with all the benefits of using a TPE: increased design freedom, an efficient supply chain leading to faster speed to market, and lower total part costs. Copyright © 2020, Avient Corporation.

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Investor Day P O L Y O N E I N V E S T O R P R E S E N T A T I O N M A R C H 2 0 1 8 F O R W A R D L O O K I N G S T A T E M E N T S PolyOne Corporation 2 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. 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 PolyOne investor presentation Forward Looking Statements USE OF �NON-GAAP�MEASURES Vision PolyOne�2017 Revenue | $3.2 billion Adjusted EPS Expansion Early years defined by Specialty �mix improvement Proof of Performance & Platinum Vision Investment in Commercial Resources driving growth Slide Number 10 Returning cash to shareholders�Over $950 million since 2011 3 Horizons of Development Innovation Pipeline IQ DESIGN LABS LSS CUSTOMER FIRST Why Invest In PolyOne?