At Avient, we are committed to supporting our customers in their sustainability journey. COMMITTED TO SUSTAINABILITY Avient is dedicated to developing solutions that support sustainability and carbon emission reduction goals. locale=en https://www.avient.com/resource-center/services/product-carbon-footprint-pcf-calculator https://www.avient.com/submit-a-design-engineering-question

In 2020, PRIDE offered virtual content to continue to support workplace equality. I am proud to work at Avient, which supports employee groups like PRIDE. Projects in some of the most challenging areas in need of support are well underway.

Alternatively, you can contact your sourcing contact for support. Coupa Support does not provide any direct technical support to suppliers. Please contact coupaenablement@avient.com for assistance and support. https://compass.coupa.com/en-us/products/product-documentation/supplier-resources/for-suppliers/coupa-supplier-portal/csp-videos/csp-videos https://compass.coupa.com/en-us/products/product-documentation/supplier-resources/for-suppliers/coupa-supplier-portal/csp-videos/csp-videos mailto:coupaenablement@avient.com https://compass.coupa.com/en-us/products/product-documentation/supplier-resources/for-suppliers/coupa-supplier-portal/csp-videos/csp-videos mailto:coupaenablement@avient.com

BUILDING MATERIALS COMPANY Q U A R T Z C O U N T E R T O P S • Offer custom color design for new product development • Provide regulatory support to help achieve compliance with new formulations • Deliver reliable color consistency • Meet high-volume, global production needs • Developed custom colorant technology to support end applications for new products • Provided effective global EH&S and regulatory support to help mitigate risk • Enabled lot-to-lot color consistency with exceptional dispersion uniformity • Met the need for a high degree of material consumption leveraging our global footprint Stan-Tone HCC Vinyl Paste Dispersions KEY REQUIREMENTS WHY AVIENT? All Rights Reserved. https://www.avient.com/products/polymer-colorants/colorant-dispersions/stan-tone-hcc-vinyl-paste-dispersions Slide 1: Building materials company

11229-2006-CHN-IATF IATF Certificate No: 0573810 Valid: 21 May 2025 – 20 May 2028 This is to certify that the management system of PolyOne - Suzhou, China EM Sector, 77 Shenggang Street, Suzhou Industrial Park, Suzhou, Jiangsu, China 215024 (USI: CF4943) and, if applicable, the remote supporting locations as mentioned in the Appendix accompanying this Certificate has been found to conform to the Quality Management System standard: IATF 16949:2016 This certificate is valid for the following scope: DESIGN AND MANUFACTURE OF PLASTIC COMPOUNDING MATERIAL EXCLUSION: NONE http://www.dnv.com Certificate no.: 11229-2006-CHN-IATF IATF Certificate No: 0573810 Place and date: Katy, TX, 22 May 2025 Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid. ACCREDITED UNIT: DNV Business Assurance USA Inc., 1400 Ravello Drive, Katy, TX, 77449-5164, USA - TEL: +1 281-396-1000. www.dnv.com Page 2 of 2 Appendix to Certificate PolyOne - Suzhou, China Remote Support Locations included in the certification are as follows: Site Name Site Address RSL Activities Certification Body Avient China Co., Ltd. Room 201, Building 20, No. 200 JinSu Road, Shanghai Free Trade Zone, China 200131 (USI: PKFHC3) Product Design, Process Design DNV http://www.dnv.com

No. 1, Qihang Industry Park, Haoxiang Road, Shajing Town, Baoan, Shenzhen, Guangdong, China 518104 (USI: C5M65R) and, if applicable, the remote supporting locations as mentioned in the Appendix accompanying this Certificate has been found to conform to the Quality Management System standard: IATF 16949:2016 This certificate is valid for the following scope: DESIGN AND MANUFACTURE OF PLASTIC COMPOUNDING MATERIAL EXCLUSION: NONE http://www.dnv.com Certificate no.: 273138-2018-AQ-RGC-IATF IATF Certificate No: 0558323 Place and date: Katy, TX, 10 December 2024 Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid. Remote Support Locations included in the certification are as follows: Site Name Site Address RSL Activities Certification Body PolyOne Management (Shanghai) Co., Ltd. 2nd Floor, Building C, No.200, Jinsu Road, Pudong, Shanghai, P.R. China 201206 (USI: PKFHC3) Process Design, Product Design DNV PolyOne-Suzhou, China 77 Shenggang Street SIP, Suzhou, Jiangsu, China 215127 (USI: CF4943) Contract Review, Sales, Supplier Management DNV http://www.dnv.com

Improperly supported substrate Fully support the substrate to resist hydraulic injection pressures and melting

CLEVELAND, OH – October 31, 2019 – PolyOne has announced the launch of a new website supporting its unique line of Mesaä construction colorants. We are excited to bring our resources and technical expertise to this niche market, and are pleased to support our customers with this product-focused website.”

MANNHEIM, Germany – At the VDI Plastics in Automotive Engineering conference today, PolyOne announced new advanced polymer solutions and services to support manufacturing innovation and efficiency in the European transportation industry. Based on its success in North America, the IQ Design Labs service will now additionally support the creativity of Europe’s manufacturers and help them shrink the time required to introduce new products.”

Access to this information supports talent development and internal career progression. We created RAISE to build a community of parents and caregivers at Avient who support and learn from each other. Supporting technology breakthroughs by meeting our customer’s sustainable solution needs.