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.

The Company will provide more details on its fourth quarter and full year results and 2022 projections on its webcast scheduled for 8:00 a.m. In addition, a recording of the audio will be available for one week, beginning at 11:00 a.m.

The company noted it will provide more details on its second quarter results and outlook during the webcast scheduled for 8:00 a.m. In addition, a recording of the audio will be available for one week, beginning at 11:00 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.

Avient will share further information regarding second quarter results and full-year guidance during its previously scheduled webcast at 8:00 a.m. https://www.avient.com/sustainability 3 Webcast Details Avient will host a webcast on Thursday, July 27, 2023 at 8:00 a.m.

The company noted it will provide more details on its third quarter results and outlook during the webcast scheduled for 8:00 a.m. In addition, a recording of the audio will be available for one week, beginning at 11:00 a.m.

Avient will provide additional details on its 2024 first quarter and 2024 outlook during its webcast scheduled for 8:00 a.m. Webcast Details Avient will host a webcast on Tuesday, May 7, 2024 at 8:00 a.m.

se sídlem Pobřežní 620/3, 186 00 Praha, IČO 26689537, zapsanou v obchodním rejstříku vedeném u Městského soudu v Praze pod spisovou značkou č. Czech Republic Branch, se sídlem Pobřežní 620/3, 186 00 Praha, IČO 07410026, zapsanou v obchodním rejstříku vedeném u Městského soudu v Praze pod spisovou značkou č.

COLORANT CHROMATICS HIGH-TEMPERATURE POLYMER FORMULATIONS PRODUCT SELECTION GUIDE COLORANT CHROMATICS HIGH TEMPERATURE COMPOUNDS PROPERTY ISO Test Method Units PES PPSU PEI LCP PEEK PSU PHYSICAL Density 1183 — 1.37 1.29 1.27 1.40 1.30 1.24 Mold Shrinkage Flow/X-flow 294–4 % 0.8/0.85 0.7/XX 0.6/0.7 0/0.7 1.0/1.3 0.7 MECHANICAL Tensile Strength 527 Mpa 85 70 85 200 100 70 Tensile Elongation Yield 527 % 7 7.5 6 — — 6 Tensile Elongation Break 527 % >25 >60 60 3 30 >50 Izod Notched 180 kJ/m2 7 55 5 95 7 5.5 THERMAL HDT 1.8 MPa 75 °C 205 200 190 190 150 175 FLAMMABILITY Flame Rating UL-94 — V-0 V-0 V-0 V-0 V-0 HB ADDITIONAL Steam Sterilizable — Cycles 100 2000 2000 1500 1000 100 CUSTOM OPTIONS Color — — Yes Yes Yes Yes Yes Yes Reinforced — — Yes Yes Yes Yes Yes Yes Conductive — — Yes Yes Yes Yes Yes Yes Lubricated — — Yes Yes Yes No Yes Yes Radiopaque — — Yes Yes Yes No Yes Yes Trade Names — — Veradel Ultrason E Radel Ultrason P Ultem Vectra Zenite Xydar KetaSpire Victrex Vestakeep Udel Ultrason S Avient high temperature precolored and specialty compounds are your solutions for high performance products.

reSound™ REC VX2800-0003 C 65 Gray reSound™ REC OF 7310-80 reSound™ REC OF 7310-90 reSound™ REC GP 7820-340 reSound™ REC GP 7820-360 reSound™ REC GP 7820-380 Recycled Content PCR/PIR Blend PCR/PIR Blend PCR/PIR Blend PCR/PIR Blend PCR/PIR Blend PCR/PIR Blend Recycled Content, % 25% 35% 45% 60% 60% 60% Recycled Source Food Food Food Transportation, Industrial Transportation, Industrial Transportation, Industrial Hardness, Shore A 65 80 90 36 63 77 Color Gray Black/Natural (Gray) Black/Natural (Gray) Natural Natural Natural Specific Gravity 0.88 0.9 0.91 0.95 0.98 1.0 Tensile Strength, PSI 831 1120 1590 1027 1012 1173 Elongation at Break, % 620 570 520 1600 1200 1000 Compression Set @ Room Temperature 26 32 37 24 30 39 OM Substrate PP PP PP PP PP PP Processing IM or OM IM IM IM IM IM Agency Rating Application Specific FDA – – – – – Automotive Testing* – VOC & FOG (VDA 278), Odor (VDA 270) VOC & FOG (VDA 278), Odor (VDA 270) – – – reSound™ REC VX7900-5001 C I 30A Natural VX7900-5001 C I 50A Natural reSound™ REC VX7900-5001 C I 70A reSound™ REC AF 7210-140 B AF 7210-150 B reSound™ REC AF 7210-160 B AF 7210-170 B AF 7210-180 B AF 7210-190 B Recycled Content PIR/PCR Blend PIR/PCR Blend PIR/PCR Blend PIR/PCR Blend PIR/PCR Blend PIR/PCR Blend PIR/PCR Blend PIR/PCR Blend PIR/PCR Blend Recycled Content, % 81% 81% 83% 59% 57% 54% 57% 56% 51% PIR Recycled Source Proprietary Blend Proprietary Blend Proprietary Blend Transportation Transportation Transportation Transportation Transportation Transportation PCR Recycled Source Transportation/ Industrial Transportation Transportation Transportation Transportation Transportation Transportation Hardness, Shore A 30 50 70 43 51 61 70 81 90 Color Natural Natural Natural Black Black Black Black Black Black Specific Gravity 1.14 1.16 1.16 0.97 0.98 0.98 0.98 0.99 0.99 Tensile Strength, MPa 2.39 3.23 3.35 4 5 5 8 10 13 Elongation at Break, % 796 654 515 1013 993 981 935 876 829 Compression Set @ Room Temperature 16 24 37 41 44 44 48 54 55 OM Substrate PP PP PP PP PP PP PP PP PP Processing IM or OM IM or OM IM or OM IM IM IM IM IM IM EUROPE GRADES reSound™ REC VX2800-5032 C 47A reSound™ REC VX2800-5033 C 54A reSound™ REC GP 7820-140 GP 7820-160 reSound™ REC GP 7820-180 Recycled Content PCR PCR PCR PCR PCR Recycled Content, % 61% 61% 60% 60% 60% PCR Recycled Source Transportation Transportation Transportation/ Hardness, Shore A 47 54 38 57 77 Color Natural Natural Natural Natural Natural Specific Gravity 0.96 0.96 0.94 0.97 1.0 Tensile Strength, MPa 1.80 2.00 7.19 6.65 7 Elongation at Break, % 766 682 1590 1380 1010 Compression Set @ Room Temperature 28 29 28 32 38 OM Substrate PP PP PP PP PP Processing IM or OM IM or OM IM IM IM EUROPE GRADES ASIA GRADES - PIR reSound™ REC VX3120-801 reSound™ REC VX3120-802 reSound™ REC VX3120-803 Recycled Content PIR PIR PIR Recycled Content, % 20% 40% 60% Recycled Source Textile Textile Textile Hardness, Shore A 67 68 68 Color Natural Natural Natural Specific Gravity 1.11 1.10 1.11 Tensile Strength, PSI 1450 1229 1151 Elongation at Break, % 752 709 653 OM Substrate PC, ABS, PC, ABS, PC, ABS, Processing IM or OM IM or OM IM or OM reSound™ REC DY 7810-801 C 30A Natural reSound™ REC DY 7810-801 C 40A Natural reSound™ REC DY 7810-801 C 50A Natural reSound™ REC DY 7810-801 C 60A Natural reSound™ REC DY 7810-801 C 70A Natural reSound™ REC DY 7810-801 C 80A Natural reSound™ REC DY 7810-801 C 90A Natural reSound™ REC DY 7820-801 C 30A Natural reSound™ REC DY 7820-801 C 40A Natural reSound™ REC DY 7820-801 C 50A reSound™ REC DY 7820-801 C 60A Natural reSound™ REC DY 7820-801 C 70A Natural reSound™ REC DY 7820-801 C 80A Natural reSound™ REC DY 7820-801 C 90A Natural reSound™ REC 3630-801C 40N reSound™ REC 3630-801C 50N reSound™ REC 3630-801C 60N reSound™ REC 7850-90N FR GP 7820-240 GP 7820-260 GP 7820-280 Recycled Content PCR PCR PCR PCR PCR PCR PCR PCR PCR PCR PCR PCR PCR PCR PCR PCR PCR PCR PCR PCR PCR Recycled Content, % 9% 12% 15% 21% 23% 30% 39% 60% 60% 60% 60% 60% 60% 60% 45% 45% 45% 32% 60% 60% 60% Recycled Source Food Food Food Food Food Food Food Food Packaging, Food Packaging, Food Packaging, Food Packaging, Food Packaging, Food Packaging, Food Packaging, Food Packaging, Food Packaging, Food Packaging, Food Hardness, Shore A 30 40 50 60 70 80 90 30 40 50 60 70 80 90 40 49 58 85 39 57 80 Color Natural Natural Natural Natural Natural Natural Natural Natural Natural Natural Natural Natural Natural Natural Natural Natural Natural Natural Natural Natural Natural Specific Gravity 0.88 0.89 0.89 0.88 0.88 0.89 0.89 0.95 0.94 0.97 0.97 0.99 1.01 1.02 0.90 0.90 0.90 1.04 0.95 0.98 1.0 Tensile Strength, PSI 678 889 939 964 1057 1328 1619 663 804 830 859 844 1007 1279 830 965 985 1250 938 1089 1479 Elongation at Break, % >1000 983 893 750 726 699 599 1028 948 880 807 681 642 640 700 700 650 310 1600 1360 1090 OM Substrate PP PP PP PP PP PP PP PP PP PP PP PP PP PP PC, ABS, PC/ABS PC, ABS, PC/ABS PC, ABS, PC/ABS – PP 30 39 Processing IM or OM IM or OM IM or OM IM or OM IM or OM IM or OM IM or OM IM or OM IM or OM IM or OM IM or OM IM or OM IM or OM IM or OM IM or OM IM or OM IM or OM EM IM IM IM ASIA GRADES - 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