Specialized chemistries enable TPEs to adhere to many different plastic substrates, including polypropylene (PP), polycarbonate (PC), acrylonitrile-butadiene-styrene (ABS), PC/ABS, copolyester, polyamide, and polystyrene, for a seamless and permanent bond. The premium mouse had a profit margin about 30% higher than other models and helped the OEM increase market share. 

STRUCTURE MATERIAL TECHNIQUE FUNCTION S (Spunbond) outer layer PP Nonwoven Spunbond Waterproof, prevents droplets from sticking M (Meltblown) middle layer PP Nonwoven Meltblown Filtration of microbes, particles and droplets in the air S (Spunbond) outer layer PP Nonwoven Spunbond Water absorption, absorbs water vapor from breath Copyright © 2023, Avient Corporation.

KEY CHARACTERISTICS • Negative, neutral, or low PCF • Available in 60 and 80 Shore A • Performs like traditional TPEs • Naturally opaque and easy to color • Suitable to injection mold, or overmold onto PP and PE MARKETS & APPLICATIONS The portfolio of reSound ultra-low carbon footprint TPEs is ideal for brand owners and manufacturers who prefer to use a more sustainable material in personal care, household appliance, consumer electronics, and consumer packaging applications. PRODUCT BULLETIN reSound RS0200-9001 80 reSound RS0200-9001 60 Manufacturing Plant Location Gaggenau McHenry Suzhou Gaggenau McHenry Suzhou Cradle-to-Gate PCF* -0.46 -0.40 -0.40 -0.09 -0.03 -0.02 Hardness, Shore A 80 60 Overmold Substrate PP, PE PP, PE TECHNICAL PROPERTIES COMPARISON TO ALTERNATIVES Greenhouse gas (GHG) emissions from cradle-to-gate production 1.844.4AVIENT www.avient.com Copyright © 2022, Avient Corporation.

We are Avient. 6 BETTER TOGETHER: POLYONE AND CLARIANT MASTERBATCH Key Financial Data (1) 2021E Sales $4.6 - $4.7 billion 2021E EBITDA $580 million 2021E Free Cash Flow $280 million 87% of EBITDA from specialty applications (1) As of July 30, 2021 webcast Synergies ($ millions) Three-Year Estimate Administrative $ 20 Sourcing 30 Operational 25 Total Synergies $ 75 7 CLARIANT COST SYNERGIES • On-track to realize $45 million of expected synergies in 2021 – up from previous estimate of $35 million • Relentless focus on guiding principles for acquisition integration: safety first, employee collaboration and exceeding customer expectations • Future revenue synergies in excess of $50 million by 2025 are not part of these estimates and represent additional growth over the long term 8 • Barrier technology • Functional additives • Processing aids • Flame retardants • Light-weighting additives Complementary Technologies • Clariant’s approved formulations and certified facilities • Legacy PolyOne’s leading share in distribution channels Healthcare Solutions • Clariant’s position in SE Asia, Latin America, Germany & Italy • Legacy PolyOne’s position in U.S., Canada and China Regional Strengths • Solutions with Avient’s engineered materials customers • Avient’s distribution channels Segment Cross-selling COMPLEMENTARY TECHNOLOGIES AND CUSTOMERS DRIVE REVENUE SYNERGIES Revenue synergy opportunities in excess of $50MM by 2025 The complementary aspects of our combined businesses are unquestionable. Our free cash flow supports shareholder value creation through investing in R&D for organic growth, completing bolt-on acquisitions, and returning cash to shareholders via our dividend program and opportunistic share repurchases. 30 1. With the Clariant Masterbatch acquisition and divestment of the PP&S business, our exposure is now concentrated in less-cyclical and high-growth markets, with increased geographic diversification and a more specialized portfolio that can significantly expand EBITDA margins. 31 Avient reflects 2021 estimated EBITDA of $580M OUR VALUATION VERSUS PEERS Avient Specialty Other 9.5 18.5 15.1 15.1 14.0 11.0 10.4 29.5 28.2 23.9 18.7 12.4 12.2 11.1 9.3 9.2 9.2 7.6 7.6 6.0 en t Median: 11.1xMedian: 14.6x SUMMARY: WHY INVEST IN AVIENT?

A LIFE SCIENCE COMPANY S E R U M C O L L E C T I O N C A R T R I D G E • Excellent clarity • Good bonding and peel strength onto PP • Heat resistance • Meet sterilization needs • Easy processing • Formulated transparent Shore 50A TPE with excellent adhesion onto PP and good sealing performance • Met regulatory requirements for USP Class VI and ISO 10993-4,5 • Provided a short lead time and on-site technical service Versaflex™ CL Thermoplastic Elastomers KEY REQUIREMENTS WHY AVIENT?

POLYSTRAND CONTINUOUS FIBER REINFORCED THERMOPLASTIC TAPES & LAMINATES ™ PRODUCT SELECTION GUIDE Material Min Finished Slit Width Max Finished Slit Width Unidirectional Tape 2” (50.8 mm) 24” (610 mm) X-Ply™, 3-Ply, 4-Ply 2” (50.8 mm) 120” (3048 mm) SLITTING CAPABILITIES Max Unfinished Width Max Finished Slit Width Max Finished Roll Weight Max Roll Length (X-Ply™, Full Width) Up to 125" (3175 mm) Up to 120" (3048 mm) Up to 10,000 lbs (4500 kg) Up to 4,000 ft (1200 m) LAMINATION LINE CAPABILITIES Tape Width Resin Capabilities Fiber Inputs Max Tape Roll Weight Max Roll Length 25" (635 mm) Standard Width, Slit Capabilities PP, PE, PETG, aPET, PA6 Additional polymers in development E-Glass S-Glass, Aramid Up to 1,800 lbs (816 kg) Up to 12,000 ft (366 m) TAPE LINE CAPABILITIES Product Name Resin Fiber Content Areal Weight Nominal Thickness1 Flexural Modulus Flexural Strength Tensile Modulus Tensile Strength wt % lb/ft2 oz/yd2 gsm in mm ksi GPa ksi MPa ksi GPa ksi MPa 6337 PP 63 0.10 14.75 500 0.015 0.38 3570 24.6 58 402 4010 27.6 111 765 6531 65 0.05 7.40 251 0.006 0.15 4020 27.7 73 505 4900 33.8 140 965 6536 0.07 10.32 350 0.009 0.23 4050 27.9 72 494 4500 31.0 131 903 6538 0.14 19.77 670 0.019 0.48 3540 24.4 47 324 4260 29.4 100 689 7034B PP-Black 70 0.07 10.24 347 0.009 0.23 4400 30.3 83 569 5000 34.5 111 765 6020 PE 60 0.08 11.95 405 0.012 0.30 3600 24.8 54 372 3800 26.2 109 752 6621 66 0.10 13.97 474 0.012 0.30 4000 27.6 55 379 4720 32.5 126 869 68222 68 0.16 23.34 791 0.022 0.56 4060 28.0 55 379 4560 31.4 113 779 5843 PETG 58 0.08 11.85 402 0.008 0.20 3680 25.4 90 621 4400 30.3 137 945 5840B aPET-Black 58 0.09 13.00 441 0.009 0.23 4120 28.4 107 738 5080 35.0 150 1034 5860B PA6-Black 58 0.08 11.48 389 0.010 0.25 3620 25.0 104 717 3970 27.4 108 745 TYPICAL PROPERTIES - UNIDIRECTIONAL FIBERGLASS REINFORCED THERMOPLASTIC TAPE 1 Nominal thicknesses indicated are baseline values that may vary depending on material processing and other variables. TYPICAL PROPERTIES - MULTI-AXIAL LAMINATES 0° Testing Orientation 90° Testing Orientation Product Name Resin Fiber Content Laminate Layers & Orientation Areal Weight Nominal Thickness1 Flexural Modulus Flexural Strength Tensile Modulus Tensile Strength Flexural Modulus Flexural Strength Tensile Modulus Tensile Strength wt % lb/ft2 oz/yd2 gsm in mm ksi GPa ksi MPa ksi GPa ksi MPa ksi GPa ksi MPa ksi GPa ksi MPa 6337 PP 63 0/90 0.20 29.49 1000 0.031 0.79 - - - - 2020 13.9 59.7 412 - - - - 2020 13.9 59.7 412 0/90/0 0.31 44.24 1500 0.045 1.14 2250 15.5 46.4 320 3070 21.2 79.4 547 186 1.3 9.7 67 1330 9.2 39.6 273 0/90/90/0 0.41 58.98 2000 0.057 1.45 2000 13.8 44.0 303 2400 16.5 60.6 418 496 3.4 20.7 143 2210 15.2 56.4 389 6531 65 0/90 0.10 14.80 502 0.014 0.36 - - - - 2240 15.4 60.9 420 - - - - 2240 15.4 60.9 420 0/90/0 0.15 22.20 753 0.020 0.50 2650 18.3 58.3 402 3100 21.4 82.8 571 280 1.9 NB2 NB2 1670 11.5 42.5 293 0/90/90/0 0.21 29.61 1004 0.027 0.68 2260 15.6 51.5 355 2470 17.0 62.2 429 580 4.0 30.4 210 2310 15.9 59.6 411 6536 0/90 0.14 20.71 702 0.021 0.53 - - - - 1980 13.7 60.5 417 - - - - 1980 13.7 60.5 417 0/90/0 0.22 31.06 1053 0.029 0.74 2309 15.9 48.3 333 2730 18.8 81.5 562 245 1.7 13.0 90 1490 10.3 44.3 305 0/90/90/0 0.29 41.41 1404 0.037 0.94 2164 14.9 47 324 2170 15.0 59.6 411 512 3.5 25.4 175 2340 16.1 71.2 491 6538 0/90 0.27 39.54 1341 0.034 0.86 - - - - 2220 15.3 60.0 414 - - - - 2220 15.3 60.0 414 0/90/0 0.41 59.53 2018 0.057 1.44 2825 19.5 40.9 282 2780 19.2 67.6 466 218 1.5 10.2 70 1410 9.7 40.0 276 0/90/90/0 0.55 79.37 2691 0.073 1.85 1880 13.0 32.4 223 2060 14.2 54.0 372 478 3.3 18.0 124 2360 16.3 61.0 421 7034B PP-Black 70 0/90 0.14 20.48 694 0.016 0.40 - - - - 2680 18.5 62.0 427 - - - - 2680 18.5 62.0 427 0/90/0 0.21 30.72 1041 0.028 0.71 1750 12.1 55.9 385 3710 25.6 75.1 518 160 1.1 11.3 78 1440 9.9 36.2 250 0/90/90/0 0.28 40.95 1388 0.036 0.90 1700 11.7 40.4 279 2800 19.3 55.7 384 432 3.0 25.4 175 2350 16.2 52.4 361 6020 PE 60 0/90 0.17 23.90 810 0.023 0.57 - - - - 1830 12.6 52.00 359 - - - - 1830 12.6 52.0 359 0/90/0 0.25 35.86 1216 0.033 0.84 2265 15.6 40.0 276 2740 18.9 68.2 470 181 1.2 10.0 69 1350 9.3 35.3 243 0/90/90/0 0.33 47.81 1621 0.044 1.12 1810 12.5 30.0 207 2000 13.8 48.0 331 502 3.5 22.0 152 1820 12.5 46.0 317 6621 66 0/90 0.19 27.94 947 0.025 0.65 - - - - 2280 15.7 60.0 414 - - - - 2280 15.7 60.0 414 0/90/0 0.29 41.90 1421 0.040 1.01 2490 17.2 37.0 255 2900 20.0 70.0 483 165 1.1 9.7 67 1440 9.9 38.0 262 0/90/90/0 0.39 55.87 1894 0.053 1.35 1810 12.5 29.0 200 2160 14.9 58.0 400 508 3.5 21.0 145 2170 15.0 53.0 365 5843 PETG 58 0/90 0.16 23.70 804 0.020 0.50 - - - - 2050 14.1 59.6 411 - - - - 2050 14.1 59.6 411 0/90/0 0.25 35.55 1205 0.030 0.76 2800 19.3 89.0 614 2900 20.0 78.0 538 397 2.7 NB2 NB2 1580 10.9 42.5 293 0/90/90/0 0.33 47.40 1607 0.039 0.99 2540 17.5 72.0 496 2300 15.9 57.7 398 780 5.4 35.0 241 2170 15.0 63.0 434 5840B aPET-Black 58 0/90 0.18 26.01 882 0.021 0.53 - - - - 2530 17.4 55.3 381 - - - - 2530 17.4 55.3 381 0/90/0 0.27 39.01 1323 0.032 0.82 2986 20.6 91.1 628 3160 21.8 68.7 474 252 1.7 20.0 138 1580 10.9 36.9 254 0/90/90/0 0.36 52.01 1763 0.042 1.07 3065 21.1 73.1 504 2570 17.7 54.2 374 813 5.6 37.0 255 2440 16.8 55.6 383 5860B PA6-Black 58 0/90 0.16 22.95 778 0.021 0.52 - - - - 2190 15.1 56.00 386 - - - - 2190 15.1 56.0 386 0/90/0 0.24 34.43 1167 0.034 0.86 2510 17.3 117.0 807 2760 19.0 63.7 439 657 4.5 22.2 153 1630 11.2 39.7 274 0/90/90/0 0.32 45.91 1556 0.046 1.18 2210 15.2 106.0 731 2090 14.4 45.6 314 1110 7.7 50.8 350 2150 14.8 57.4 396 1 Nominal thicknesses indicated are baseline values that may vary depending on material processing and other variables.

POWER & LIGHTING MANUFACTURER/MOLDER S M A L L C A B L E R E E L • Meet color requirement of medium-tone gray for polypropylene (PP) cable reel application • Low cost color development • Short lead time to fit production schedule • Offered readily available standard color (Mid Grey – OC7UFF) to meet customer request • Provided low usage rate of 1% LDR to keep costs down • Shipped colorant sample within one day of inquiry • Allowed sample parts to be molded within three days to accommodate schedule Omnicolor™ Multipurpose Colorants KEY REQUIREMENTS WHY AVIENT?

AUTOMOTIVE OEM L O W E R E X T E R I O R B U M P E R • Develop a new color for molded-in-color plastics • Create ‘Wow’ effect without chroming or paint • Provide metallic aspect with good UV resistance for exterior part • Developed new “gris megalithe” color for PP (AS1) utilizing Avient Design center • Produced master plaques to showcase new color • Accelerated testing to certify outstanding weathering resistance • Collaborated across the supply chain to optimize metallic effect in the final part Smartbatch™ Combination Colorants & Additives KEY REQUIREMENTS WHY AVIENT?

AUTOMOTIVE OEM T A I L G A T E T R I M • Reduce part weight • Suitable solution for PP talcum-filled material • Class A surface finish • Compatible with core-back injection molding process • Offered a broad portfolio of solutions • Provided technical support to help with product selection and processing parameters • Reduced part weight by 18% • Decreased cycle time by 8% • Enabled good surface appearance for the tailgate trim Hydrocerol™ Chemical Foaming Agents KEY REQUIREMENTS WHY AVIENT?

HEALTHCARE DEVICE MANUFACTURER W E B K N E E B R A C E • Good bonding to polypropylene (PP) • Flexible and soft-touch feel • Skin contact, general FDA compliance • Good tensile strength and resilience • Excellent colorability • Offered material that passed the required FDA regulations • Provided high elasticity memory and ultra soft tactile finish to meet the comfort and pleasant surface feeling requirements • Delivered TPE with easy and stable processing and colorability DynaflexTM Thermoplastics Elastomer KEY REQUIREMENTS WHY AVIENT?