ABS Quality Evaluations This is to certify that the Quality Management System of: Avient Corporation Avient Corporation - McHenry, IL 831 Ridgeview Drive ISO 13485:2016 The Quality Management System is applicable to: Certificate No: 45324 Certification Date: 24 February 2014 Effective Date: 13 January 2023 Expiration Date: 23 January 2026 Revision Date: 13 January 2023 Dominic Townsend, President DESIGN, MANUFACTURE AND DISTRIBUTION OF THERMOPLASTIC ELASTOMER RESINS & PELLETS FOR THE MEDICAL DEVICE INDUSTRY This certificate may be found on the ABS QE Website (www.abs-qe.com).

Reporting

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Composite panels for modular ISO shelters, transport containers and pallets TRANSPORTATION Rail car doors, floors and body panels, shipping containers, tractor trailer panels, large trucks, trailers, RVs, and mass transit vehicles MARINE Structural bulkheads, transoms, decks/soles, subflooring, and interior walls www.avient.com Copyright © 2020, Avient Corporation. Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your sales representative for property ranges and min/max specifications.

January 28, 2025 ANAHEIM, Calif. – January 28, 2025 – Avient Corporation, an innovator of materials solutions, will exhibit at MD&M West next week, one of the leading medical device trade shows in the U.S., highlighting its growing portfolio of technologies tailored to meet the distinct needs and regulatory challenges of healthcare manufacturers.

TAILORING TACK BY BLENDING VERSAFLEX PF Film Thickness: 39 micron LDPE/13 micron Versaflex PF F = Final tack after 7 days @ 25° C i = Initial tack after 20 mins @ 25° C Pe S tr en gt h on S te , N /2 5m m Pe S tr en gt h on S te , N /2 5m m PEEL STRENGTH ON STAINLESS STEEL Film Thickness: 51 micron LDPE/25 micron Versaflex PF www.avient.com Copyright © 2020, Avient Corporation. Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your sales representative for property ranges and min/max specifications.

You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. Avient acquired the Clariant Color business on July 1, 2020 (the “Acquisition Date”). Unless otherwise stated, Adjusted Operating Income, Adjusted EBITDA and Adjusted EPS figures included in this presentation exclude the impact of special items as defined in our quarterly earnings releases.

NYSE: AVNT), with 2020 pro forma revenues of

Avient Announces Fourth Quarter and Full Year 2020 Results and Provides Guidance for 2021

Oct 01, 2020