NEEDLE HUB MANUFACTURER N E E D L E H U B C O L O R S • RAL and Pantone® colors available in palette to align with ISO 6009 color standard • Opaque and transparent polypropylene selections available in both masterbatch and ready-to-use precolors • Raw materials pre-tested to ISO 10993 and USP Class VI medical device guidelines • Certified formulations available globally • Provided RAL and Pantone colors as required • Developed custom polypropylene formulations to meet specific opacities • Offered pre-tested raw materials and produced in an ISO 13485 certified site, minimizing risk across the value chain • Provided global formulations transferrable from our three ISO 13485 certified facilities Mevopur™ Healthcare Colors KEY REQUIREMENTS WHY AVIENT?

COMPOUND, SUPPLY AND PROTOTYPING SERVICES OF THERMOPLASTICS FOR THE MEDICAL DEVICE INDUSTRY Certificate Of Conformance

MANUFACTURE OF COLORANTS FOR PLASTICS FOR THE MEDICAL DEVICE INDUSTRY Certificate Of Conformance

COMPOUND AND SUPPLY OF THERMOPLASTICS FOR THE MEDICAL DEVICE INDUSTRY.

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 - PCR Copyright © 2024, Avient Corporation.

15 2021 O U TLO O K A S P R O V I D E D O N F E B R U A R Y 9 , 2 0 2 1 W E B C A S T Synergies ($ millions) Initial Three-Year Estimate Revised Three-Year Estimate 2021 Expected Realization Administrative $ 18 $ 20 $ 15 Sourcing 24 30 15 Operational 18 25 5 Total Synergies $ 60 $ 75 $ 35 CLARIANT INTEGRATION & COST SYNERGIES UPDATE 17 • Integration going extremely well: synergy target increased from $60 million to $75 million • $5 million of synergies in 2020 and expect to realize $35 million in 2021 • Relentless focus on guiding principles of safety first, employee collaboration and exceeding customer expectations • Future revenue synergies are not part of these estimates and represent additional growth over the long term $86 $103 $0.53 $0.70 ORGANIC GROWTH PROJECTIONS – Q1 18 Sales Adjusted Operating Income $991 $1,090 + 10% Adjusted EPS + 20% + 32% (in millions) (in millions) (1) (1) (1) (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition $308 $360 $1.93 $2.40 ORGANIC GROWTH PROJECTIONS – FULL YEAR 19 Sales Adjusted Operating Income $3,783 $4,100 + 8% Adjusted EPS + 17% + 24% (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition (in millions) (in millions) 2020 Pro forma $3,783 $308 Sustainable Solutions 60 11% 24 Healthcare 60 11% 18 Composites 20 10% 10 Growth in Emerging Regions 50 7% 11 Other (GDP growth) 82 5% 11 Sub-total $4,055 7% $382 COVID Response Applications (25) - (11) Outdoor High Performance Applications (15) - (7) Asia Payroll Tax Subsidy (COVID) - - (4) FX Impact 85 - 7 Synergies - - 30 Incentives, Travel, Other Employee Costs - - (37) 2021 Estimated $4,100 8% $360 2021 ORGANIC SALES AND OPERATING INCOME 20 (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition (2) COVID Response Applications: facemasks, personal protective equipment Sales Growth Rate Adjusted Operating Income$ millions (2) CASH FLOW AND LEVERAGE 21 • Asset light business generates significant free cash flow • Cash generation in 2021 partially offset by restructuring activities to capture synergies associated with the Clariant Masterbatch acquisition • Cash flow deployed to M&A, opportunistic share repurchases and balance sheet / leverage reduction 3.5x 2.7x 2.1x 2019PF 2020PF 2021E Net Debt / Adjusted EBITDA (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition ($ millions) 2020 2021E Adjusted EBITDA 382 510 Working Capital: Source / (Use) 116 (30) Cash Taxes (40) (53) Interest Paid (67) (76) CapEx (62) (75) CapEx for Synergy Capture (2) (20) Restructuring for Synergy Capture (11) (25) Other 22 19 Free Cash Flow 338 250 22 • 8% increase in sales drives 24% increase in adjusted EPS to $2.40 ($2.70 excluding step-up depreciation and amortization) as a result of continued growth in sustainable solutions and synergy capture • Clariant synergy capture ahead of schedule: $35M of savings planned from Clariant Masterbatch acquisition • Adjusted EBITDA of $510M – highest level in company history • Deleveraging ahead of schedule – 2.1x net debt to adjusted EBITDA by the end of 2021 2021 PROJECTIONS PEER COMPARISONS 23 As a specialty formulator, we don’t require significant capital investment, as compared to the base resin raw material suppliers we purchase from.

10 2021 O U TLO O K Synergies ($ millions) Initial Three-Year Estimate Revised Three-Year Estimate 2021 Expected Realization Administrative $ 18 $ 20 $ 15 Sourcing 24 30 15 Operational 18 25 5 Total Synergies $ 60 $ 75 $ 35 CLARIANT INTEGRATION & COST SYNERGIES UPDATE 12 • Integration going extremely well: synergy target increased from $60 million to $75 million • $5 million of synergies in 2020 and expect to realize $35 million in 2021 • Relentless focus on guiding principles of safety first, employee collaboration and exceeding customer expectations • Future revenue synergies are not part of these estimates and represent additional growth over the long term $86 $103 $0.53 $0.70 ORGANIC GROWTH PROJECTIONS – Q1 13 Sales Adjusted Operating Income $991 $1,090 + 10% Adjusted EPS + 20% + 32% (in millions) (in millions) (1) (1) (1) (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition $308 $360 $1.93 $2.40 ORGANIC GROWTH PROJECTIONS – FULL YEAR 14 Sales Adjusted Operating Income $3,783 $4,100 + 8% Adjusted EPS + 17% + 24% (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition (in millions) (in millions) 2020 Pro forma $3,783 $308 Sustainable Solutions 60 11% 24 Healthcare 60 11% 18 Composites 20 10% 10 Growth in Emerging Regions 50 7% 11 Other (GDP growth) 82 5% 11 Sub-total $4,055 7% $382 COVID Response Applications (25) - (11) Outdoor High Performance Applications (15) - (7) Asia Payroll Tax Subsidy (COVID) - - (4) FX Impact 85 - 7 Synergies - - 30 Incentives, Travel, Other Employee Costs - - (37) 2021 Estimated $4,100 8% $360 2021 ORGANIC SALES AND OPERATING INCOME 15 (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition (2) COVID Response Applications: facemasks, personal protective equipment Sales Growth Rate Operating Income$ millions (2) CASH FLOW AND LEVERAGE 16 • Asset light business generates significant free cash flow • Cash generation in 2021 partially offset by restructuring activities to capture synergies associated with the Clariant Masterbatch acquisition • Cash flow deployed to M&A, opportunistic share repurchases and balance sheet / leverage reduction 3.5x 2.7x 2.1x 2019PF 2020PF 2021E Net Debt / Adjusted EBITDA (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition ($ millions) 2020 2021E Adjusted EBITDA 382 510 Working Capital: Source / (Use) 116 (30) Cash Taxes (40) (53) Interest Paid (67) (76) CapEx (62) (75) CapEx for Synergy Capture (2) (20) Restructuring for Synergy Capture (11) (25) Other 22 19 Free Cash Flow 338 250 We sell solutions not commodities.

MEDICAL CONTRACT MANUFACTURER A U T O - I N J E C T O R H O U S I N G • Excellent chemical and wear resistance • Excellent impact resistance • Specific color matching based on customer’s needs • Outstanding durability to extend product life • Customized a chemically resistant formulation to offer an impact-modified alternative to traditional competitors in the market • Provided technical support for material selection, part & tool design, and process development to accelerate commercialization • Delivered custom color matching to meet all key requirements Custom Trilliant™ HC Healthcare Thermoplastic KEY REQUIREMENTS WHY AVIENT?

AVIENT SOLUTION MEDICAL DEVICE MANUFACTURER C O M P A R T M E N T C O V E R • Improve grip with a matte rubber finish • Comply with RoHS Directive • Provide superior adhesion to PC/ABS • Achieved excellent adhesion to PC/ABS at a lower wall thickness of to 2mm • Improved aesthetics and usability with the rubber finish provided by our custom formulation • Provided quick responses to customer queries and accelerated time to market KEY REQUIREMENTS GOOD ADHESION + COMPLIANCE LEARN MORE Versollan™ Thermoplastic Elastomers Copyright © 2023, Avient Corporation.

BLOOD LANCET MANUFACTURER S E A L I N G R I N G • Compliance with strict regulations for medical materials • Excellent sealing performance • Good compression set • Provided a recycled TPE solutions compared to silicone without increasing system cost • Delivered a TPE that complied with ISO 10993-4 & -5 and USP Class VI • Supported a change to an injection molded material to ease production and enhance assembly capabilities Versaflex™ HC TPEs – OM1040-1 Grade KEY REQUIREMENTS WHY AVIENT?