ABS Quality Evaluations This is to certify that the Quality Management System of: PolyOne Corporation PolyOne 1260 Carden Farm Drive Clinton, TN 37716 U.S.A. IATF 16949:2016 The Quality Management System is applicable to: Certificate No: 38223 Effective Date: 03 July 2018 Expiration Date: 02 July 2021 Issue Date: 03 July 2018 IATF No: 0313794 Alex Weisselberg, President DESIGN AND COMPOUNDING OF THERMOPLASTIC PRODUCTS (WITH ADDITIONAL FACILITIES LISTED ON ATTACHED ANNEX) Certificate Of Conformance has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: Page 2 of 2 ABS Quality Evaluations PolyOne Corporation IATF 16949:2016 Certificate Of Conformance ANNEX At Below Facilities: Validity of this certificate may be confirmed at www.abs-qe.com/cert_validation.

Bio-funk delves into technologies, from the uncanny brain organoids to quantum computers, that could break through to help meet the data processing capacities in an increasingly digitalized world. Avient offers ColorForward seminars at its six ColorWorks design and technology centers worldwide, as well as selected conferences and customer sites. Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy

Der Sitz ist von Bendorf (Amtsgericht Koblenz HRB 4141) nach Gaggenau verlegt. b) Mit der "PolyOne Deutschland GmbH", Gaggenau (Amtsgericht Mannheim HRB 722072) wurde am 09./17.10.2001 mit Änderung vom 20.10.2014 ein Gewinnabführungsvertrag abgeschlossen, dem die Gesellschafterversammlung am 14.12.2001 und 20.10.2014 zugestimmt hat. Mit der "PolyOne Deutschland GmbH", Gaggenau (Amtsgericht Mannheim HRB 722072) wurde am 08./09.12.1997 ein Beherrschungsvertrag abgeschlossen, dem die Gesellschafterversammlung am 10.10.1997 zugestimmt hat. Nicht mehr Geschäftsführer: Machin, Genevieve Elizabeth, Luxembourg / Luxemburg, *31.03.1972 a) 26.03.2019 Melzer 5 b) Der zwischen der Gesellschaft und der "PolyOne Deutschland GmbH", Gaggenau (Amtsgericht Mannheim HRB 722072) am 09./17.10.2001 mit Änderung vom 20.10.2014 abgeschlossene Gewinnabführungsvertrag wurde mit Wirkung zum Ablauf des 31.12.2019 aufgehoben.

Microsoft PowerPoint - Investor Day 2012_05072012.pptx PolyOne Corporation Investor Day 2012 May 16, 2012 (1) Page 1 Welcome (2) Page 2 • In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. In certain cases throughout this presentation, we have presented GAAP and non-GAAP financial measures Use of Non GAAP Measures presentation, we have presented GAAP and non-GAAP financial measures adjusted to reflect full-year 2011 Pro forma results, including ColorMatrix. • PolyOne’s chief operating decision makers use these financial measures to monitor and evaluate the ongoing performance of the Company and each business segment and to allocate resources. In addition, operating income before special items is a component of various PolyOne annual and long-term employee incentive plans. • A reconciliation of each non-GAAP financial measure with the most directly comparable GAAP financial measure is attached to this presentation which is posted on our website at www.polyone.com.

000461.1.E/21.R This is a sub-certificate of the PolyOne Deutschland GmbH, Certificate No.: 000461.E/21.R. Certificate The SKZ-Cert GmbH Zertifizierungen certifies to the company PolyOne Th.

11.866.POLYONE www.polyone.com MAXXAM™ FILLED & REINFORCED POLYOLEFINS PRODUCT SELECTION GUIDE 2 31.866.POLYONE www.polyone.com MAXXAM™ FILLED & REINFORCED POLYOLEFINS PolyOne manufactures a complete line of filled and reinforced polymer polyolefins for injection molding and blow molding. PolyOne makes no warranties or guarantees respecting suitability of either PolyOne’s products or the information for your process or end-use application. At PolyOne, we pride ourselves on our material science expertise, processing knowledge and creative design capabilities.

Roman, Secretary of State of the Government of Puerto Rico, CERTIFY: That on July 13, 2020, at 08:50 AM, "POLYONE PUERTO RICO, LLC", registry number 365432, performed the following transaction: Name Change Previous Actual POLYONE PUERTO RICO, LLC AVIENT PUERTO RICO, LLC CERTIFICATE OF AMENDMENT Government of Puerto Rico IN WITNESS WHEREOF, the undersigned by virtue of the authority vested by law, hereby issues this certificate and affixes the Great Seal of the Government of Puerto Rico, in the City of San Juan, Puerto Rico, today, July 13, 2020.

Microsoft Word - 55453- PolyOne Corporation RCMS 2013 Option 2.docx ABS Quality Evaluations Letter Of Conformity Page 1 of 1 This is to confirm that the Environment, Health, Safety and Security Management System of: PolyOne Corporation 33587 Walker Road Avon Lake, OH 44012 U.S.A. has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: RCMS®:2013 (Option 2) The Environment, Health, Safety and Security Management System is applicable to: Responsible Care Management System activities and corporate supported processes associated with the design and manufacture of plastic compounds, colorants, thermoplastic elastomer compounds, color concentrates and compounding of thermoplastic products.