Homepage // News Center // PolyOne Provides New Twist for Aluminum Cap Liners with Low-Migration TPE Technology at Pack Expo 2015 September 28, 2015 LAS VEGAS – September 28, 2015 – Today at Pack Expo 2015, PolyOne (booth #6464) unveiled a low-migration aluminum cap liner technology based on its new GLS™ Versaflex™ PKG 4190 thermoplastic elastomer (TPE).

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China TEL: +86 21 32799000 Zhu Hai Ming Management Representative Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid. TEL:+31102922689. assurance.dnvgl.com C ertificate No: 1614-2000-AE-RGC-RvA Initial certification date: 23 May, 2000 V alid: 23 May, 2018 - 23 May, 2021 This is to certify that the management system of PolyOne-Shanghai, China No. 88, Guo Shou Jing Road, Z. Park, Pudong, Shanghai, China, 201203 has been found to conform to the Environmental Management System standard: ISO 14001:2015 This certificate is valid for the following scope: Design and Manufacture of Masterbatch

Gamma 650 Parque Industrial Santa María Ramos Arizpe, Coahuila 25900 México has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: ISO 14001:2015 The Environment Management System is applicable to: COMPOUNDING OF THERMOPLASTIC PRODUCTS This certificate may be found on the ABS QE Website (www.abs-qe.com). Certificate No: 53068 Certification Date: 18 December 2015 Effective Date: 14 December 2018 Expiration Date: 17 December 2021 Issue Date: 14 December 2018 Alex Weisselberg, President Validity of this certificate is based on the successful completion of the periodic surveillance audits of the management system defined by the above scope and is contingent upon prompt,written notification to ABS Quality Evaluations, Inc. of significant changes to the management system or components thereof. Validity of this certificate may be confirmed at www.abs-qe.com/cert_validation.

Exhibit 31.1 CERTIFICATION I, Stephen D. Newlin Exhibit 31.2 CERTIFICATION I, Richard J. Exhibit 32.1 CERTIFICATION PURSUANT TO 18 U.S.C.

Homepage // News Center // PolyOne InVisiO Color Inspiration 2015 Provides Multidimensional Inspiration for Designers Fernando Sanchez, director, global marketing, PolyOne Global Color and Additives, commented, “Color Inspiration 2015 provides an additional dimension that helps facilitate the creative process. Color Inspirations 2015 informs, and is part of, InVisiO Color and Design Services.

Homepage // News Center // PolyOne Wins 2015 Ringier Plastics Technology Innovation Award December 15, 2015 SHANGHAI – PolyOne Corporation (NYSE: POL), a premier provider of specialized polymer materials, services and solutions, today announced that it has received a 2015 Ringier Plastics Technology Innovation Award for its market-driven PerceptTM Authentication Technologies, a full-spectrum portfolio of brand protection solutions, in the Raw Material and Additives category.

Kunkle: Senior Vice President, General Counsel and Secretary, May 2015 to date. General Manager of Geon Performance Materials, September 2015 to April 2016. POLYONE CORPORATION Exhibit 32.2 CERTIFICATION PURSUANT TO 18 U.S.C.

Homepage // News Center // Revolutionary New Fiber Coloration Technology from PolyOne Showcased at ITMA 2015 November 12, 2015 PolyOne will be showcasing this new technology at ITMA 2015 (Booth F129, Hall 8) from 12-19 November.