Metal Replacement Solution  Recycled resin content customizable to meet performance and sustainability requirements Snowmobile Application Material Solutions

CREATING A MORE SUSTAINABLE PACKAGE There are a number of ways to create packaging that is considered more sustainable. It is to enable our customers’ innovation and sustainability goals through world class products and services and excellence in the four cornerstones of: WE HELP OUR CUSTOMERS MAKE PRODUCTS THAT ARE MORE SUSTAINABLE IN 8 DIFFERENT WAYS: • Lightweighting • Reduced Energy Use • Volatile Organic Compound Reduction • Recycle Solutions • Bio-polymers • Eco-conscious • Sustainable Infrastructure • Human Health & Safety For more information on how we can help, visit avient.com 1.844.4AVIENT www.avient.com Copyright © 2021, 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.

Solutions for EV Charging Stations Developed to help you learn more about our portfolios of sustainable solutions Watch this video to learn more about engineered solutions that can enable advanced mobility.

For a video detailing this impactful project, click here: A Pioneering Vision Correction Solution for the Developing World is a premier provider of specialized polymer materials, services and solutions. The company adds value to global customers and improves sustainability through formulating materials, such as:

PolyOne provided a variety of solutions from its extensive distribution portfolio to address the needs for internal and external R15 components. PolyOne Corporation, with 2017 revenues of $3.2 billion, is a premier provider of specialized polymer materials, services and solutions. Guided by its Core Values, Sustainability Promise and No Surprises PledgeSM, PolyOne is an ACC Responsible Care® certified company committed to its customers, employees, communities and shareholders through ethical, sustainable and fiscally responsible principles.

VIDEO NOTE: For a video detailing this project, click here: A Pioneering Vision Correction Solution for the Developing World PolyOne Corporation (NYSE: POL), with 2018 revenues of $3.5 billion, is a premier provider of specialized polymer materials, services and solutions. The company adds value to global customers and improves sustainability through formulating materials, such as:

Avient Corporation (NYSE: AVNT), with expected 2021 revenues of $4.6 to $4.7 billion, provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility

Non-halogen boxes deliver production efficiencies and sustainability The Solution Eco-friendly at competitive price: The non-halogenated solution has a density 0.4 g/cm3 less than a traditional halogenated material, and this density advantage makes it price competitive with the traditional solution.

This is due to the inherent difficulty of forecasting the timing and amount of certain items, such as, but not limited to, restructuring costs, environmental remediation costs, acquisition-related costs, and other non-routine costs. ASHISH KHANDPUR PRESIDENT & CEO 4 5 PORTFOLIO TRANSFORMATION 5 46% 66% 87% 100% 0% 20% 40% 60% 80% 100% 2005 2010 2015 2020 2023 % o f A dj us te d EB IT D A Commodity JVs Distribution Performance Products & Solutions Specialty Businesses Adjusted EBITDA from Specialty Applications SUSTAINABILITY AS A GROWTH DRIVER 7 LONG-TERM REVENUE GROWTH DRIVERS Sustainable Solutions Composites, Healthcare, Asia / LATAM Overlap Other 60%+ Key Growth Drivers Total Company Revenue Growth Drivers Long-Term Growth Rate Sustainable Solutions 8–12% Composites 8–10% Healthcare 8–10% Asia / LATAM 5% Other 0–2% Avient 6% END MARKET OBSERVATIONS (% OF COMPANY SALES) ENERGY DEFENSE TELECOMMUNICATIONS HEALTHCARE 8 TRANSPORTATION INDUSTRIAL BUILDING & CONSTRUCTION 9% CONSUMER 19% PACKAGING 23% 9 REGIONAL OBSERVATIONS (% OF COMPANY SALES) 9 41% 36% Q 4 2 0 2 3 R E S U LT S Q4 2023 PERFORMANCE VS. Non-GAAP financial measures have limitations as analytical tools and should not be considered in isolation from, or solely as alternatives to, financial measures prepared in accordance with GAAP.