PolyOne engineered composite panels can be tailored to your design and performance specifications. PolyOne makes no warranties or guarantees respecting suitability of either PolyOne’s products or the information for your process or end-use application. Our extensive experience in composite panel technology and rapid, customized product development capabilities can help you meet specific needs.

PolyOne Investor Conference Call PolyOne Investor Conference Call PolyOne Corporation Webcast

PolyOne IR Presentation – May 2020 PolyOne Innovation Day - May 2014 Polyone Corporation Investor Day

ATHP5040 EF POLY LB NAVY BLUE ATHP5060 POLY LB AQUA MARINE ATHP5148 EF POLY LB LITE NAVY

PolyOne IR Presentation – May 2020 PolyOne IR Presentation – Robert W. PolyOne Innovation Day - May 2014

TEL:+31(0)102922689. www.dnvgl.com/assurance Certificate No: 7071-1998-AQ-RGC-RvA Initial certification date: 28 April, 1998 Valid: 29 March, 2021 – 29 March, 2024 This is to certify that the management system of PolyOne-Shanghai, China No. 88, Guo Shou Jing Road, Z. TEL:+31(0)102922689. www.dnvgl.com/assurance Page 2 of 2 Appendix to Certificate PolyOne-Shanghai, China Locations included in the certification are as follows: Site Name Site Address Site Scope PolyOne Polymer (Tianjin) Company Limited No.28#C, Jin Bin Hi-Tech Industrial Park, 156 Nan Hai Road, Tianjin Economic-Technological, Tianjin, China, 300457 Manufacture of Masterbatch PolyOne-Shanghai, China No. 88, Guo Shou Jing Road, Z.

7071-1998-AQ-RGC-RvA Initial certification date: 28 April 1998 Valid: 30 March 2024 – 29 March 2027 This is to certify that the management system of PolyOne-Shanghai, China No. 88, Guo Shou Jing Road, Z. ACCREDITED UNIT: DNV Business Assurance B.V., Zwolseweg 1, 2994 LB, Barendrecht, Netherlands - TEL: +31(0)102922689. www.dnv.com/assurance Page 2 of 2 Appendix to Certificate PolyOne-Shanghai, China Locations included in the certification are as follows: Site Name Site Address Site Scope PolyOne Polymer (Tianjin) Company Limited No. 28#C, Jin Bin Hi-Tech Industrial Park, No. 156, Nan Hai Road, Tianjin Economic- Technological Development Area, Tianjin, China 300457 Manufacture of Colour and Additive Concentrates PolyOne-Shanghai, China No. 88, Guo Shou Jing Road, Z.

It’s in this spirit that we joined legacy PolyOne and the Clariant Masterbatch business, two complementary businesses, and formed a new one that we’ve named Avient. As one, we are better positioned than ever before to lead and to make a positive difference. From technology portfolios to end markets to geographies and distribution channels, this acquisition made perfect sense.

PolyOne Corporation Announces Quarterly Dividend PolyOne To Hold Second Quarter 2019 Conference Call PolyOne Announces First Quarter 2019 Results

PolyOne Signs Agreement to Divest Designed Structures and Solutions PolyOne Expands Specialty Color Portfolio with Rutland Acquisition PolyOne Corporation Announces Quarterly Dividend