PolyOne Corporation (NYSE: POL), with 2019 revenues of $2.9 billion, is a premier provider of specialized polymer materials, services and solutions. Michelle Maniscalco Senior Manager, Marketing Communications PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com Company Officers

PolyOne Corporation (NYSE: POL), with 2019 revenues of $2.9 billion, is a premier provider of specialized polymer materials, services and solutions. Michelle Maniscalco Senior Manager, Marketing Communications PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com Company Officers

PolyOne Corporation, with 2017 revenues of $3.2 billion, is a premier provider of specialized polymer materials, services and solutions. Naomi Bennett Marketing Communications Manager, EMEAI PolyOne Corporation +44 (0)7841 234919 naomi.bennett@avient.com Company Officers

About Avient Avient Corporation (NYSE: AVNT), with 2020 pro forma revenues of $3.8 billion, provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Media contact Jennifer Huang Senior Manager, Marketing Communications Asia Avient Corporation +86 21 60284888 jennifer.huang@avient.com   Company Officers

About PolyOne PolyOne Corporation, with 2016 revenues of $3.3 billion, is a premier provider of specialized polymer materials, services and solutions. Media contact Matt Defosse Marketing Communications Manager, Europe PolyOne Corporation +49 6407-907-0386 matt.defosse@avient.com Company Officers

PolyOne Corporation, with 2014 revenues of $3.8 billion, is a premier provider of specialized polymer materials, services and solutions. Media contact Peter Bredenkamp Senior Marketing Communications Specialist PolyOne Corporation +44 151-547-6627 peter.bredenkamp@avient.com Company Officers

Ashish Khandpur, President and Chief Executive Officer of Avient Corporation. Investor Relations Contact: Giuseppe (Joe) Di Salvo Vice President, Treasurer and Investor Relations Avient Corporation +1 440-930-1921 giuseppe.disalvo@avient.com Media Contact: Kyle G. Rose Vice President, Corporate Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com

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CDP Corporate Questionnaire 2024

CARPET PRODUCER N Y L O N C A R P E T • Antimicrobial effectiveness for residential and hospital carpets • Suitable for Bulked Continuous Filament (BCF) processed polyamide (nylon) • Limited impact on color • Quick development to address growing market needs for hygienic surface coverings • Developed efficient antimicrobial solution adapted to BCF processing for high-quality yarns • Reduced risk of discoloration with a smartbatch alternative • Leveraged global capabilities to offer quick development, trials and production quantities • Cesa™ Fiber Additives – antimicrobial additives KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION ANTIMICROBIAL EFFECTIVENESS LEARN MORE Copyright © 2023, Avient Corporation.