The manufacturer worked with Avient to formulate a custom Versaflex™ TPE that featured a low durometer with excellent resistance to adhesion (sticking). But before making the decision to switch from silicone to the Versaflex material, the company needed to feel confident that it would recoup its capital, which included a $50,000 investment in new tooling, within 12 months. Explore Versaflex™ Thermoplastic Elastomers

The manufacturer worked with Avient to formulate a custom Versaflex™ TPE that featured a low durometer with excellent resistance to adhesion (sticking). But before making the decision to switch from silicone to the Versaflex material, the company needed to feel confident that it would recoup its capital, which included a $50,000 investment in new tooling, within 12 months. Explore Versaflex™ Thermoplastic Elastomers

To meet the manufacturer’s goals for the mouse grip, a clear TPE overmolding material, GLS Versaflex™, was formulated for improved ergonomics and comfort, strong chemical resistance, and excellent bonding to the ABS substrate. This custom Versaflex grade provides 60 Shore A hardness and superior tear strength. Thermoplastic Elastomers: GLS™ Versaflex™

To meet the manufacturer’s goals for the mouse grip, a clear TPE overmolding material, GLS Versaflex™, was formulated for improved ergonomics and comfort, strong chemical resistance, and excellent bonding to the ABS substrate. This custom Versaflex grade provides 60 Shore A hardness and superior tear strength. Thermoplastic Elastomers: GLS™ Versaflex™

Enhancing Recycling and Shelf Life with ColorMatrix™ Amosorb™ Oxyloop-1 Versaflex™ HC TPEs for IV Infusion Cap (Chinese) Versaflex™ HC TPEs for Laryngeal Mask Airway

ITEM 1. FEARON Lead Director, PolyOne Corporation Vice Chairman and Chief Financial and Planning Officer, Eaton Committees: 1, 4* GREGORY J. Committees: 1, 2 COMMITTEES 1.

1400 Ravello Drive, Katy, TX, 77449-5164, USA - TEL: +1 281-396-1000. www.dnv.com Page 1 of 2 MANAGEMENT SYSTEM CERTIFICATE Certificate no.: 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. EM Sector, 77 Shenggang Street, Suzhou Industrial Park, Suzhou, Jiangsu, China 215024 (USI: T2HN2N) Sales, Contract Review DNV PolyOne Management (Shanghai) Co., Ltd.

C.F. 03669670121 compravendita 21/12/2018 MI-2019-11025 POLYONE ITALY SRL C.F. 02216820023 AVIENT S.A' R.L. VA/1 VIA PADRE LEGA 56 GALLARATE (VA) CAP 21013 Unita' Locale n. MI/1 VIA ALESSANDRINI 56 MAGENTA (MI) CAP 20013 Sede Secondaria n.

NOTICE OF 2019 ANNUAL MEETING OF SHAREHOLDERS AND PROXY STATEMENT PolyOne Corporation MESSAGE FROM OUR CEO Your vote is very important. Kunkle, Senior Vice President, General Counsel and Secretary(1) Bradley C. Company Contributions to PolyOne Supplemental Retirement Benefit Plan.

Newly Expanded Versaflex™ PF Thermoplastic Elastomers for Surface Protective Films with Ultra-High Adhesion Series Available from Avient Avient Announces Expansion of Versaflex™ PF Thermoplastic Elastomers for surface protective films with new ultra-high adhesion series  To do