TECHNICAL BULLETIN UV RESISTANCE • UV testing: QUV-A Test, 0.68 @ 45C • Comparable results to traditional TPEs reSound OM 5510-45N reSound OM 5510-60N Bio-derived Content (%) 40% 50% Hardness, Shore A 45 60 Delta E after 150 hrs. 0.22 0.23 Delta E after 300 hrs. 1.68 0.56 AGING – BONDING STRENGTH ONTO ABS reSound OM 5520-55N Room Temperature 70C 1 day 1 week 2 weeks 6 months 1 week 2 weeks 3 weeks Bio-derived Content (%) 49% 49% 49% 49% 49% 49% 49% Hardness, Shore A 54 54 55 54 55 56 OM Substrate ABS ABS ABS ABS ABS ABS ABS OM Avg. Peel, PLI 12 19 23 20 19 reSound OM 5510 for PP reSound OM 5510-60N Room Temperature 70C 1 day 1 week 2 weeks 6 months 1 week 2 weeks 3 weeks Bio-derived Content (%) 50% 50% 50% 50% 50% 50% 50% Hardness, Shore A 60 60 60 60 60 60 60 Specific Gravity 0.89 0.89 0.89 0.89 0.89 0.89 0.90 50% Modulus, PSI 247 241 244 251 234 244 240 100% Modulus, PSI 343 333 338 339 321 331 326 Tensile Strength, PSI 625 621 647 610 633 662 642 Elongation, % 306 314 309 313 312 315 315 Tear Strength, PLI 109 108 113 113 111 117 115 reSound OM 5520-55N Room Temperature 70C 1 day 1 week 2 weeks 6 months 1 week 2 weeks 3 weeks Bio-derived Content (%) 49% 49% 49% 49% 49% 49% 49% Hardness, Shore A 54 54 55 55 54 55 56 Specific Gravity 0.95 0.95 0.96 0.96 0.95 0.96 0.96 50% Modulus, PSI 258 256 256 265 266 271 257 100% Modulus, PSI 353 355 357 362 373 379 367 Tensile strength, PSI 637 615 637 669 651 674 642 Elongation, % 319 315 319 333 313 319 315 Tear Strength, PLI 146 136 133 142 137 138 141 reSound OM 5510-45N Room Temperature 70C 1 day 1 week 2 weeks 6 months 1 week 2 weeks 3 weeks Bio-derived Content (%) 40% 40% 40% 40% 40% 40% 40% Hardness, Shore A 45 46 47 46 46 45 45 Specific Gravity 0.88 0.89 0.89 0.89 0.89 0.89 0.90 50% Modulus, PSI 153 158 154 162 137 136 133 100% Modulus, PSI 251 259 259 261 226 222 218 Tensile Strength, PSI 438 481 451 495 417 470 486 Elongation, % 215 240 211 243 204 227 238 Tear Strength, PLI 84 81 87 82 83 85 84 AGING – PROPERTY RETENTION • Tested at room temperature and 70° C for comparison • Hardness, tensile strength elongation and modulus showed great retention Overmolding onto PP Overmolding onto ABS RHEOLOGY Suitable for injection molding and overmolding 1.0 10 100 1000 10000 100000 10.0 100.0 1000.0 reSound OM 5510-30N reSound OM 5510-45N reSound OM 5510-60N reSound OM 5510-70N Shear Rate, 1/s C ap ill ar y Vi sc os it y, P a* s 1.0 10 100 1000 10000 100000 10.0 100.0 1000.0 reSound OM 5520-55N Shear Rate, 1/s C ap ill ar y Vi sc os it y, P a* s Capillary viscosity at 200°C Capillary viscosity at 200°C reSound OM 5510 for PP reSound OM 5520 for ABS www.avient.com Copyright © 2020, Avient Corporation.

Inspection may include applicable internal systems, calibration programs, laboratory practices, and equipment pertaining to the Customer-specific product. 6.1.1 Adequate prior notice (30 days) must be given, with a proposed agenda. 6.1.2 The scope of the inspection is at the discretion of NEU. 6.1.3 Non-Disclosure Agreement and\or Visitor Confidentiality Agreement is required of Customer. 7.0 SUPPLIER CONTROL and REGULATORY RESPONSIBILTY 7.1 The control of suppliers and regulatory responsibility of the vendors and product supplied by NEU to the Customer are dependent on the specification and ownership of the components used to manufacture the product, as further outlined below. 7.1.1 Raw materials, components and suppliers developed or specified by NEU are controlled and monitored by NEU. 7.1.2 Raw materials, components and suppliers developed or specified by Customer are controlled and monitored by Customer. 7.1.2.1 NEU may survey suppliers specified by Customer on behalf of Customer to satisfy a Customer request for information. Upon notification from the NEU supplier, NEU will notify the Customer of the effect on the manufacture of the compound(s) (such as raw material availability, vendor name changes, vendor manufacturing location, and vendor nomenclature). 9.0 CUSTOMER FEEDBACK 9.1 NEU will use commercially reasonable efforts to (i) acknowledge receipt of Customer complaints within one business day; (ii) conduct an investigation and communicate a resolution to Customer within 30 days after receipt of the complaint.

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Three bars were treated with five different commercially available hospital disinfectants once every 24 hours for three days. The bars were then evaluated each day for visual changes. After three days of exposure to the hospital disinfectants, a 20x magnified image was taken of each set of bars to demonstrate the effect of the chemical.

Three bars were treated with five different commercially available hospital disinfectants once every 24 hours for three days. The bars were then evaluated each day for visual changes. After three days of exposure to the hospital disinfectants, a 20x magnified image was taken of each set of bars to demonstrate the effect of the chemical.

Investor Day G L O B A L H I G H Y I E L D & L E V E R A G E D F I N A N C E C O N F E R E N C E F E B R U A R Y 2 0 2 0 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.

If the parties cannot agree upon and implement such changes within sixty (60) days after such notice, Seller shall thereupon have a right to terminate this contract forthwith by written notice to Buyer. 8. Except in the case of a force majeure, if not satisfied with Seller’s determination, Buyer as its sole remedy shall have a right to terminate this contract without further obligation upon: (i) 10 calendar days’ written notice; and (ii) payment for all Product received to date. 13. Seller may terminate this contract at its sole option upon 14 calendar days’ written notice to the other party. 22.

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