DÜSSELDORF, Germany – April 8, 2024 – Avient Corporation, a premier provider of specialized and sustainable materials solutions and services, will showcase its range of specialty solutions for wire and cable applications next week at Wire Düsseldorf, the world's leading trade fair for the wire and cable industry, held from April 15-19.   Avient Corporation provides specialized and sustainable materials solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility      

We create specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Our customers value the breadth of our solutions as we can tap into a broad array of raw materials to solve their specific needs. Q 1 2 0 2 3 -8% +6% -1% Flat 14 US & Canada Latin America EMEA Asia Total Avient -2.6% 2023 G U IDA N CE $128 $525 Q3 FY $0.56 $2.40 Q3 FY 2023 GUIDANCE 16 $800 $3,280 Q3 FY Sales Adjusted EBITDA Adjusted EPS (in millions) (in millions) 17 • Focused on working capital management, restructuring actions to streamline operations • IT investment to further integrate acquired businesses and capture operational efficiencies • Preserve Free Cash Flow to maintain net leverage CASH FLOW / LEVERAGE ($ millions) 2023E Cash Flow from Operating Activities 320$ Less: CapEx (140) Free Cash Flow 180$ Adjusted EBITDA 525$ Net Debt / Adjusted EBITDA 3.0x SUSTAINABILITY AS A GROWTH DRIVER 18 LONG-TERM REVENUE GROWTH DRIVERS Revenue From Sustainable Solutions* 2016-2022 $340M $405M $455M $550M $790M $915M 2016 2017 2018 2019 2020PF** 2021 2022PF*** $1,175M *Avient Sustainable Solutions definitions aligned with FTC 2012 Guide for the Use of Environmental Marketing Claims (“Green Guides”) **2020 is Pro Forma to include full year of the Clariant Color business ***2022 is Pro Forma for the acquisition of Avient Protective Materials and the divestiture of Distribution 60%+ Key Growth Drivers Sustainable Solutions Composites, Healthcare, Asia / LATAM Overlap Other (GDP Growth) Total Company Revenue SUSTAINABILITY REPORT 2022 • Provides progress on 2030 goals • Reaffirms commitment to U.N.

AVNT-2021.09.30-News Release 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Record Third Quarter 2021 Results • Sales increased 32% to $1.2 billion and GAAP EPS from continuing operations increased to $0.57 from $0.02 in the prior year quarter • Adjusted EPS increased 52% to $0.70 driven by record third quarter operating income in all segments • Increased dividend 12% to $0.95, on an annualized basis, representing the eleventh consecutive annual increase • Expected to continue pursuing sustainable solutions acquisitions and resume opportunistic share repurchases with net debt to adjusted EBITDA leverage projected at 2.1x by year end CLEVELAND – October 28, 2021 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable material solutions, today reported its third quarter results for 2021. We have achieved significant growth in sustainable solutions, healthcare and composites in 2021. For more information, visit www.avient.com. # # # http://www.avient.com/ 4 Forward-looking Statements In this press release, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995.

Effective solutions exist to keep your packaging clear, and recent developments make it easier than ever to do so. Food packaging helps limit that waste by providing protection for food so that it remains fresh, tasty and safe to eat.  Anti-fog solutions developed for different film packaging systems

Avient’s new sustainable solutions are its breakthrough PCR Color Prediction Service for polyolefins and polyethylene terephthalate (PET) resins, and its new polyolefin antioxidants, Cesa™ Nox A4R Additives for Recycling. These sustainability solutions are specifically designed to improve the customer experience of working with post-consumer recycled (PCR) content for materials used in packaging. Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility

PARIS – May 18, 2022 – Avient Corporation, a premier provider of specialized and sustainable material solutions and services, today announced expansion of its line of bio-based Mevopur™ medical-grade polymer solutions. Along with pre-colored formulations for users who prefer ready-to-use solutions, they are more sustainable drop-in replacements for fossil-based materials. Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility

Beggs is senior vice president and chief financial officer of Avient Corporation, a premier provider of specialized and sustainable material solutions and services. Beggs joined Avient in August 2020 and has more than 20 years of experience in finance and business leadership roles in both public and private organizations with an emphasis on specialty materials and diverse end markets. She previously served as chief financial officer of Hunt Consolidated, Inc., a diversified holding company whose businesses served many industries including energy, real estate and private investments.

CLEVELAND– September 5, 2023 – Avient Corporation, a premier provider of specialized and sustainable material solutions and services, today announced the availability of a robust material solutions platform for electric vehicle supply equipment (EVSE) applications for the North American market. Avient Corporation provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility  

Homepage // News Center // PolyOne Presents Leading-Edge Solutions at Fakuma 2015 Reducing carbon dioxide (CO2) emissions with strong, lightweight and sustainable thermoplastics Guided by its Core Values, Sustainability Promise and No Surprises PledgeSM, PolyOne is committed to its customers, employees, communities and shareholders through ethical, sustainable and fiscally responsible principles.

ECCOH™ XL Cross-Linkable Solutions for Photovoltaic Cables Enabling a more sustainable and safer planet, Avient has developed ECCOH™ XL Cross-Linkable Solutions for photovoltaic cable applications (ECCOH XL 8148). 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. AVIENT MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, either with respect to the information or products reflected by the information.