PG05-BLACK/HP515-00

FDM MAT PPC 00 15

PG XXXXX.00 PEARL PE SL

65788-60017-00 VIOLET OUTER

PG XXXXXX.00 PEARL WT PP

Telephone:722 279 02 00 Fax:+52 722 2790209

Stress versus strain of PVC, TPV and SBC compounds Stress versus Strain 0.00E+00 1.00E+06 2.00E+06 3.00E+06 4.00E+06 5.00E+06 6.00E+06 7.00E+06 8.00E+06 0 200 400 600 800 Strain, % S tr es s, P a low modulus high modulus Stress vs Strain 0 500 1000 1500 2000 0 500 1000 strain, % S tr es s, p si SBC 59A SBC-74A PVC 60A TPV 67A ANTEC 2003 / 3039 Table I Comparison of properties of silicone rubber and SBC compound Silicone Wacker 420/50S SBC compound Sp.

Figure 1 Surface energy of various thermoplastic elastomers with rigid thermoplastics Engineering Plastics Polyamide 6,6 ABS Polycarbonate Acrylic Polystyrene Polypropylene Polyethylene Elastomers COPA TPU COPE S-TPE TPV mPE Surface Energy (mN/m) 46 43 40 37 34 31 28 Figure 2 Schematic diagram of the peel test Table I Physical property of TPE-1 Shore A Hardness (10 second delay) 44 Specific Gravity (g/cm3) 0.90 Color Natural 300 % Modulus (PSI) 348 Tensile Strength (PSI) 603 Elongation at Break (%) 598 Tear Strength (lbf/in) 110 Table II Adhesion value of TPE-1 on different substrates Substrate Average Peel Strength (lbf) Failure Type PP 17 Cohesive Copolyester 13 Adhesive PET 13 Adhesive PPE/HIPS 18 Adhesive PMMA 15 Adhesive PS 18 Adhesive PC 17 Adhesive PC/ABS 14 Adhesive HIPS 13 Adhesive ABS 13 Adhesive Table III Properties and peel strength of TPE-2 materials 15.37Nylon 11.16.5POM 227Polyester 22.619PC/ABS 24.5-ABS 20.828PP Peel Strength (PIL) 713721Tensile Elongation (%): 10811010Tensile Strength (psi): 5651Hardness: BA 15.37Nylon 11.16.5POM 227Polyester 22.619PC/ABS 24.5-ABS 20.828PP Peel Strength (PIL) 713721Tensile Elongation (%): 10811010Tensile Strength (psi): 5651Hardness: BA Figure 3 Capillary viscosity of TPE-1 and -2 at 200°C 1.00E+00 1.00E+01 1.00E+02 1.00E+03 1.00E+01 1.00E+02 1.00E+03 1.00E+04 1.00E+05 Shear rate (1/sec) Vi sc os ity (P a* se c) TPE-1 TPE-2A TPE-2B GLS Corporation Abstract Introduction Experimental Material Two classes of “universal overmolding TPEs” have been developed and used in this study.

Avient will share further information regarding second quarter results and full-year guidance during its previously scheduled webcast at 8:00 a.m. Registration information to access the Sustainability Day event will be provided in a news release in advance of the event. https://www.avient.com/sustainability 3 Webcast Details Avient will host a webcast on Thursday, July 27, 2023 at 8:00 a.m.

Avient will share further information regarding third quarter results and full-year guidance during its previously scheduled webcast at 8:00 a.m. Eastern Time on November 2, 2023. 3 Webcast Details Avient will host a webcast on Thursday, November 2, 2023 at 8:00 a.m.