MEDICAL EQUIPMENT MANUFACTURER S U R G I C A L X - R A Y G L A S S E S • Replace lead while providing uniform shielding performance • Radiation shielding up to 140KeV • Improve glasses design • Compliance with Radiation Protection Regulation: Adult eye exposure must be below 20 mSv per calendar year • Conducted extensive testing to ensure comparable and uniform shielding performance • Improved geometric flexibility • Lowered shielding component costs 30-50% by eliminating machining and assembly steps (associated with lead) • Reduced weight of the glasses and enabled a more ergonomic design • Eliminated disposal concerns associated with lead Trilliant™ XR Lead Replacement Thermoplastics KEY REQUIREMENTS WHY AVIENT?

1616267 Certification Effective Date: 2021年4月1日 Issue Date: March 30, 2021 Certificate Expiry Date: 2024年3月31日 ________________________________________________________________________________ ISO 9001 Registered by: QMI-SAI Canada Limited (SAI Global), 20 Carlson Court, Suite 200, Toronto, Ontario M9W 7K6 Canada.

RTF Template P lace and date: For the is suing office: Shanghai, 30 March, 2018 DNV GL – Business Assurance Suite A, Building 9, No.1591 Hongqiao Road, Changning District, Shanghai 200336, P.R.

Cibodas Kecamatan Cibodas, Tangerang 15138 Indonesia Scope Category I Production of customer specific Masterbatches for Food packaging materials on the dedicated extrusion lines Normative base ISO 22000:2018 Food Safety Management Systems Requirements for any organization in the food chain Reg. no. 46391 Validity 25. 02. 2021 – 24. 02. 2024 Issue 30. 06. 2021 Swiss Madesqs.ch F.

Avient Colorants Singapore Pte Ltd 8 Third Chin Bee Road Jurong Industrial Estate Singapore 618684 Singapore Scope Category I Production of customer specific Masterbatches for Food packaging materials on the dedicated extrusion lines Normative base ISO 22000:2018 Food Safety Management Systems Requirements for any organization in the food chain Reg. no. 46390 Validity 25. 02. 2021 – 24. 02. 2024 Issue 30. 06. 2021 Swiss Madesqs.ch F.

Ltd. 30, Hsing Pang Road 33068 Taoyuan Taiwan Avient Colorants Sweden AB Järnyxegatan 7 Box 9053 200 39 Malmö Sweden Avient Colorants USA LLC 17 Foss Rd.

Elk Grove Village, Illinois 30. As of 2018年12月31日, we had completed our analysis with respect to the impact of the TCJA on our continuing assertion that our foreign earnings are indefinitely reinvested pursuant to APB 23 of Accounting Standards Codification 740-30 (ASC 740-30). As of 2018年12月31日, we had completed our analysis with respect to the impact of the TCJA on our continuing assertion that our foreign earnings are indefinitely reinvested pursuant to APB 23 of Accounting Standards Codification 740-30 (ASC 740-30).

Year Ended 2024年12月31日 2023 Reconciliation to Condensed Consolidated Statements of Income $ EPS(1) $ EPS(1) Net income from continuing operations attributable to Avient shareholders $ 169.5 $ 1.84 $ 75.8 $ 0.83 Special items, after-tax 15.9 0.17 79.3 0.86 Amortization expense, after-tax 59.5 0.65 61.5 0.67 Adjusted net income / EPS $ 244.9 $ 2.66 $ 216.6 $ 2.36 (1) Per share amounts may not recalculate from figures presented herein due to rounding Year Ended December 31, Reconciliation to EBITDA and Adjusted EBITDA: 2024 2023 Net income from continuing operations – GAAP $ 170.7 $ 76.3 Income tax expense 54.1 11.0 Interest expense 105.6 115.3 Depreciation and amortization from continuing operations 179.7 188.8 EBITDA from continuing operations $ 510.1 $ 391.4 Special items, before tax 20.1 114.6 Interest expense included in special items (2.3) (2.3) Depreciation and amortization included in special items (1.5) (1.9) Adjusted EBITDA $ 526.4 $ 501.8 Adjusted EBITDA as a percent of sales 16.2 % 16.0 % Corporate Officers Ashish K.

Excelite OnePager Putty Knife PUTTY KNIFE MANUFACTURER N O R T H A M E R I C A • Reduce current scrap rate of 30% • Eliminate prominent sink marks • Minimize random short shots • Reduced scrap rate to 1% • Eliminated sink marks • Improved mold fill • Improvement in cell structure increased cell density and dimensional stability during critical cooling time Excelite™ IM Chemical Foaming Additives KEY REQUIREMENTS* WHY AVIENT?

AVIENT SOLUTION SWIMMING GEAR BRAND S W I M G O G G L E G A S K E T A N D N O S E B R I D G E • Bio-content material • Good adhesion to PC • Flexible and comfortable to wear • Easy to process • Customized formulations for a transparent Shore 43A TPE with 40% bio-based content for the gasket and a natural 57A TPE with 30% bio-based content for the nose bridge to meet sustainability and comfort targets • Delivered excellent performance in order to pass strict chlorine, brine, and QUV tests • Offered prompt development and on-site technical services to accelerate commercialization KEY REQUIREMENTS SUSTAINABILITY + SEALING LEARN MORE reSoundTM BIO Thermoplastic Elastomers Copyright © 2022, Avient Corporation.