MILAN – December 12, 2023 – Avient Corporation, a leading provider of specialized and sustainable material solutions and services, today releases ColorForward™ 2025, the 19th edition of its color trend forecast, to inspire brand owners and designers of plastic products. 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    

New Sustainability Report and Upcoming Sustainability Day The company also announced the release of its latest Sustainability Report, now available at www.avient.com/sustainability. We are looking forward to sharing how and where our material science is helping customers achieve their sustainability goals and the megatrends that are underpinning the future growth of our sustainable solutions portfolio.” https://www.avient.com/ 5 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.

Sustainable Solutions Portfolio Avient has a broad portfolio of sustainable solutions that can help customers meet their innovation and sustainable goals through material science. Sustainable Solutions Portfolio

PolyOne Corporation Page 1 PolyOne Investor Presentation Gabelli Specialty Chemicals Conference March 2015 PolyOne Corporation Page 2 Forward-Looking Statements  In this presentation, 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. 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. Appendix 2014 Financial Highlights At a Glance�Global Color, Additives and Inks At a Glance�Global Specialty Engineered Materials At a Glance�Designed Structures and Solutions At a Glance�Performance Products and Solutions At a Glance�Distribution Plastics: Key to Future Sustainable Development Commitment to Operational Excellence A Rich Pipeline of Opportunity Application Examples Slide Number 28 Authentication Technology Range Rover Evoque Interior Slide Number 31 Metal Replacement Solutions Next Generation Solar Charger High-Barrier Packaging Containers Aerospace Applications Non-GAAP Reconciliation Sidoti & Company non-GAAP Rec

This sustained dividend growth reflects our commitment to return value to our shareholders," said 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:

Compared to traditional dyes, the new super black masterbatch colorants for PA and PET fibers are a more sustainable solution. 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.

Recycle Solutions Provided a more sustainable solution while keeping comparable performance characteristics to the prime grade previously used Provided a more sustainable solution with 60% recycled content while maintaining the performance characteristics of prime PP

Visitors to the PolyOne booth will be able to explore innovations for application-specific products, sustainable solutions and service offerings designed to differentiate products and streamline production. PolyOne’s display features specialized polymer solutions and local services, including: 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.

PolyOne Corporation Investor Day 2012 PolyOne Investor Presentation 5th Annual Wells Fargo Industrial and Construction Conference May 8, 2014 • In this presentation, 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. 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. Platform operating income mix percentage 2005Y* 2008Y* 2010Y* 2013Y 2014 Q1 Global Specialty Engineered Materials $ 0.4 $ 17.6 $ 49.7 $ 57.2 $ 18.3 Global Color, Additives and Inks 4.3 28.1 37.7 104.0 30.4 Designed Structures and Solutions - - - 33.4 11.2 Specialty Platform $ 4.7 $ 45.7 $ 87.4 $ 194.6 $ 59.9 Performance Products and Solutions 75.7 31.3 54.0 56.0 16.0 Distribution 19.5 28.1 42.0 63.3 17.2 SunBelt Joint venture 91.9 28.6 18.9 - - Corporate (51.5) (425.1) (27.7) (82.4) (36.7) Operating income (loss) GAAP $ 140.3 $ (291.4) $ 174.6 $ 231.5 $ 56.4 Less: Corporate operating expense 51.5 425.1 27.7 82.4 36.7 Operating income excluding Corporate $ 191.8 $ 133.7 $ 202.3 $ 313.9 $ 93.1 Specialty platform operating mix percentage 2% 34% 43% 62% 64% * Historical results include the Resin and Specialty Coatings businesses within the Performance Products and Solutions segment.

NYSE: AVNT), a leading provider of specialized and sustainable material solutions, has announced that brings to customers and the full suite of innovative materials and services that enable their sustainability goals. provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world.