Annual Report | 2024 2 STOCK EXCHANGE LISTING Avient's Common Stock is listed on the New York Stock Exchange, Symbol: AVNT SHAREHOLDER INQUIRIES If you have any questions concerning your account as a shareholder, name or address changes, inquiries regarding stock certificates, or if you need tax information regarding your account, please contact our transfer agent: Equiniti Trust Company, LLC 1110 Centre Pointe Curve, Suite 101 Mendota Heights, MN 55120-4100 Phone: 1-855-598-2615 or 1-651-450-4064 www.shareowneronline.com Additional information about Avient, including current and historic copies of Annual Reports on Form 10-K and other reports filed with the Securities and Exchange Commission, is available online at www.avient.com or free of charge from: Investor Relations Avient Corporation 33587 Walker Road Avon Lake, Ohio 44012 Phone: 1-440-930-1000 ANNUAL MEETING The annual meeting of Avient will be held virtually via live webcast at 9:00 a.m.

Homepage // News Center // Avient Features TPEs for Food Contact and Sustainability at Cekexpo 2020 We also have a range of TPEs under our reSound brand that contain up to 50 percent bio-based content.”     reSound™ Bio-based TPEs contain significant (40 to 50 percent) bio-based content within a wide hardness range; performance characteristics are comparable to standard TPEs

Home // Understanding TPE Material and Performance for Enabling 5G Technologies Download this white paper below to learn which TPEs were chosen, the methodology used, and the test results.  White Paper: Understanding TPE Performance for Enabling 5G Technologies

Home // Understanding TPE Material and Performance for Enabling 5G Technologies Download this white paper below to learn which TPEs were chosen, the methodology used, and the test results.  White Paper: Understanding TPE Performance for Enabling 5G Technologies

PRODUCT BULLETIN 1.00E+00 1.00E+02 1.00E+04 1.00E+06 1.00E+08 1.00E+10 1.00E+12 1.00E+14 1.00E+16 1.00E+18 0 10 20 30 40 50 60 70 R e si si ti v it y /O h m Silcosperseä EC dosing percentage (%) CB HCR SWCNT HCR SWCNT LSR MWCNT HCR aceSurface Resistivity Silcosperse™ EC Electrically Conductive Additive Dispersions Silcosperse™ EC Electrically Conductive additive dispersions provide varying levels of electrical conductivity to silicone material. CB is also available as a European food regulation compliant grade. 0 10 20 30 40 50 60 70 1.00E+18 1.00E+16 1.00E+14 1.00E+12 1.00E+10 1.00E+08 1.00E+06 1.00E+04 1.00E+02 1.00E+00 INSULATIVE ANTISTAT DISSIPATIVE CONDUCTIVE KEY CHARACTERISTICS • Delivers a range of properties from anti-static through conductive • Achieves greater conductivity levels with lower loadings in single- and multi-wall nanotubes • Anti-static performance available at lower doses • Dark color options, such as browns, blues or reds, available at lower dosages in single-wall nanotubes • Suitable for peroxide- or platinum-cured silicone formulations MARKETS AND APPLICATIONS Silcosperse EC Electrically Conductive additive dispersions are found in a variety of markets, including transportation, energy, electrical & electronics, and the films & coatings industry.

Home // Automotive Windshields to Post-Consumer Recycled Content TPEs These injection moldable TPEs can be overmolded to polypropylene (PP) and come in a natural grade that can be easily colored. These new TPEs contain 25 percent post-consumer recycled (PCR) content from PVB reclaimed from broken automotive windshields and laminated architectural glass.

Home // Automotive Windshields to Post-Consumer Recycled Content TPEs These injection moldable TPEs can be overmolded to polypropylene (PP) and come in a natural grade that can be easily colored. These new TPEs contain 25 percent post-consumer recycled (PCR) content from PVB reclaimed from broken automotive windshields and laminated architectural glass.

Home // Automotive Windshields to Post-Consumer Recycled Content TPEs These injection moldable TPEs can be overmolded to polypropylene (PP) and come in a natural grade that can be easily colored. These new TPEs contain 25 percent post-consumer recycled (PCR) content from PVB reclaimed from broken automotive windshields and laminated architectural glass.

GLS 171-047 GLS 372-086 CLEAR PP FR 8-6 LMS-1000

Trilliant HC0220-0002 Lt Slate/Dynaflex Trilliant HC0220-0003 Dk Slate/Dynaflex PP FR 8-6 LMS-1000