Webcast Details The webcast can be viewed live at avient.com/investors, or by clicking here: https://edge.media- server.com/mmc/p/yrq7mgm9.To participate in the audio-only portion of the call, dial 1-844-835- 7433 (domestic) or 1-914-495-8589 (international) and provide conference ID number 7899765. To access, dial 1-855-859-2056 (domestic) or 1-404-537-3406 (international) and provide conference ID number 7899765. Senior management believes these measures are useful to investors because they allow for comparison to Avient's performance in prior periods without the effect of items that, by their nature, tend to obscure Avient's operating results due to the potential variability across periods based on timing, frequency and magnitude.

Examples include: • Dyneema®, the world's strongest fiber™, enables unmatched levels of performance and protection for end-use applications, including ballistic personal protection, marine and sustainable infrastructure and outdoor sports • Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint • Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility Avient is a certified ACC Responsible Care® and a founding member of the Alliance to End Plastic Waste. F X ) -10% -11% -3% -12% 14 Avient ex. Senior management believes the measures described above are useful to investors because they allow for comparison to Avient's performance in prior periods without the effect of items that, by their nature, tend to obscure Avient's operating results due to the potential variability across periods based on timing, frequency and magnitude.

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STRENGTH MEMBERS FIBERS PROCESSES PRODUCTS Product ID Coating Base Fiber Break Yield Geometry Nominal Diameter Absorption Capacity Description K1420/ SC-BKR Swellcoat® BKR Kevlar® 74.1 LBs (33.6 KGs) 8400 Ft/LB (2560 M/LB) Flat .441 mm 9.0 g/g Water blocking strength element in cable designs. K58220T N/A Kevlar® 2480 LBs (1125 KGs) 230 FT/LB (154 M/KG) Flat 2.81 mm N/A Strength member in cable application Product ID Polymer Jacket Base Fiber Break Yield Geometry Nominal Diameter Description 13.75mm K/Hytrel Hytrel Jacket Kevlar® 29000 LBs (13154 KGs) 138 KGs/KM Round 13.75mm Kevlar rope w/ Hytrel 12.5mm K/TPU TPU jacket Kevlar® 24000 LBs (10885 KGs) 115 KGs/KM Round 12.5mm Kevlar rope w/ Hytrel 7.87mm K/MDPE MDPE Jacket Kevlar® 24000 LBs (10885 KGs) 50 KGs/KM Round 7.87mm Kevlar w/ MDPE .58mm C/PU TPU jacket Carbon 74 LBs (33.6 KGs) N/A Round/ Flat .58mm Carbon w/ TPU 4.50mm K/HDPE HDPE jacket Kevlar® 2000 LBs (907 KGs) 16 KGs/KM Round 4.06 mm Kevlar w/ HDPE POPULAR JACKETED STRENGTH MEMBERS This data is provided for informational purposes only, and does not constitute a specification.

Shielding elements protect sensitive electronic components from degradation due to X-ray exposure during a CT scan. Working with Reiter-HG Geiger, a sophisticated injection molding processor specializing in demanding applications, the OEM team began their search for a sustainable material to replace lead, one that would effectively shield X-rays up to 140 keV while offering additional manufacturing benefits. 

With a rolled storage size of just 7" x 6" (18 x 15 cm), the Revolve packs up at one-third of the size of traditional tripod designs.

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Graphite fillers, which can be natural flake or synthetic, provide electrical and thermal conductivity. Natural fibers also have lower abrasion than glass fibers, resulting in less wear on manufacturing equipment. Tungsten filler is used to protect equipment, operators and patients from radiation during an X-ray.

Graphite fillers, which can be natural flake or synthetic, provide electrical and thermal conductivity. Natural fibers also have lower abrasion than glass fibers, resulting in less wear on manufacturing equipment. Tungsten filler is used to protect equipment, operators and patients from radiation during an X-ray.

Graphite fillers, which can be natural flake or synthetic, provide electrical and thermal conductivity. Natural fibers also have lower abrasion than glass fibers, resulting in less wear on manufacturing equipment. Tungsten filler is used to protect equipment, operators and patients from radiation during an X-ray.