In millions, except per share data) In millions, except per share data) Condensed Consolidated Balance Sheets

² https://www.ferc.gov/sites/default/files/2020-04/E-4_10.pdf  Boosting rPET Quality and Safety in Packaging Boosting rPET Quality and Safety in Packaging

Substance Safety Summary SUBSTANCE: Silicon Dioxide GENERAL STATEMENT This summary is intended to provide a general overview of the chemical substance listed above. Additional information is available through the relevant Safety Data Sheet (SDS). The usual precautions, occupational exposure limits for inert dusts, industrial hygiene and occupational safety measure for handling chemicals should be observed.

Mevopur™ Healthcare Colorants and Formulations and Mevopur™ Healthcare Functional Additives for In Vitro Diagnostic Devices Diagnostic devices and consumables, now more than ever, play a vital role in delivery of safe treatements. As part of our commitment, we publish Avient’s Mevopur™ product policy and use limitations to assist customers in their product selection. For more detailed information on Mevopur uses and restrictions see www.avient.com/healthcare-use-limitations-mevopur-products or contact your Avient sales representative. 1.844.4AVIENT www.avient.com

Worker Workers should follow the recommended safety measures contained within the Safety Data Sheet (SDS) and on any product packaging. Employees should be trained in the appropriate work processes and safety equipment to limit exposure to chemical substances. DOCUMENT NUMBER_ SSS-002 EXPOSURE HUMAN HEALTH SAFETY ASSESSMENT Human Health The substance is used in industrial settings only.

Get the answers to these questions by downloading our PDF Guide to Polyketone overview brochure. Boosting rPET Quality and Safety in Packaging Boosting rPET Quality and Safety in Packaging

AVIENT SOLUTION SAFETY + COMPLIANCE Copyright © 2024 Avient Corporation. https://www.avient.com/products/polymer-colorants/healthcare-colorants/mevopur-healthcare-colorants-and-formulations Slide 1: Medical textile manufacturer

Avient acquired the Clariant Color business on July 1, 2020 (the “Acquisition Date”). To provide comparable financial results, the Company references “pro forma” financial metrics, which include the business results of Clariant Color for periods prior to the Acquisition Date. Financials are pro forma for the acquisition of Dyneema® and potential divestiture of Distribution Avient Specialty Formulators Other Specialty / Chemical Companies 45 Source: Peer data per Bloomberg market data as of April 21, 2022 Total Enterprise Value / NTM EBITDA With the Dyneema and Clariant Color business acquisition and divestment of the PP&S business, along with the proposed sale of our Distribution business, our exposure is now concentrated in less-cyclical and high-growth markets.

W H AT W E D O : W E A R E A F O R M UL ATO R 6 CUSTOM FORMULATION M AY 3 , 2 0 2 3 W E B C A S T Keeping Safety First o Relentless focus on best-in-class safety performance as an ACC Responsible Care® organization Exceeding Customer Expectations o Complementary technologies and customer relationships offer opportunity for future revenue synergies o Proven innovation-led commercial strategy with strong brands and participation across the full value chain Collaboration in Innovation o Leveraging Dyneema®, the world’s strongest fiber™, to accelerate growth of sustainable, ultralight and high performance applications People – Culture is Everything o Talented, passionate and collaborative associates drive an effective integration strategy o Strong Great Places to Work® scores reflect positive integration efforts in first year AVI E N T P ROT EC T I VE MAT ER I A L S I N T EG R ATI O N 8 AVI ENT PROTEC TI VE MATERI ALS K E Y I N D U S T R I E S PERSONAL PROTECTION Military • Law Enforcement • First Responders • Body Armor • Helmets • Vehicle Protection 50% MARINE & SUSTAINABLE INFRASTRUCTURE Towing / Mooring • Aquaculture • Floating Wind • Offshore Cranes 30% CONSUMER Consumer • Outdoor High Performance • Safety Equipment 20% 9 Figures reflect approximate proportions of 2022 sales Q 1 P E R F O R M A N C E Q1 2023 PERFORMANCE VS. Avient Specialty Formulators Other Specialty / Chemical Companies 2023E(%) 37 79 89 83 81 76 73 90 82 77 76 74 70 58 22 A vi e n t K W R P P G F U L A V Y R P M F M C C E H X L A S H E C L H U N E M N S C L M U LT I P L E E X PA N S I O N Avient Specialty Formulators Other Specialty / Chemical Companies Source: Peer data per Bloomberg as of May 31, 2023 Note: Avient reflects 2023 adjusted EBITDA guidance of $530M and closing share price of $36.50. Avient 2011 and 2018 valuations reflect trailing 12 months EBITDA at December 31 of the respective years. 38 EV / 2023E EBITDA Historic Multiple 6.5 8.3 9.6 13.2 13.0 12.8 11.3 8.6 17.9 16.8 10.7 8.8 8.8 8.7 7.5 6.9 A vi e n t (2 0 1 1 ) A vi e n t (2 0 1 8 ) A vi e n t (2 0 2 3 ) K W R P P G R P M A V Y F U L E C L H X L F M C S C L C E A S H E M N H U N Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.

Mevopur™ Healthcare Functional Additives Antistatic Additive APPLICATION BULLETIN Plastics often undergo charge build-up, which can lead to handling problems and electrical discharges. As part of our commitment, we publish Avient’s Mevopur™ product policy and use limitations to assist customers in their product selection. For more detailed information on Mevopur uses and restrictions see www.avient.com/healthcare-use-limitations-mevopur-products or contact your Avient sales representative. 1.844.4AVIENT www.avient.com