Carcinogenicity Carbon Black is listed as an IARC Group 2B substance. IARC’s listing of carbon black as a Group 2B carcinogen is based on laboratory rat studies only; studies on carbon black production workers have not shown a link between carbon black exposure and cancer.

The main requirements are listed in the following: Transparency similar to silicone Low hardness and low modulus Good tensile and tear Boiling water and dish washer Abrasion and bite resistance FDA direct fatty food contact approval The properties are of silicone rubber and SBC compounds are compared in the following in Table I. Major requirements for medical tubing are listed: Transparent or translucent Kink resistance Peristaltic pump life Autoclavable/Gamma Sterilizable Low extractable Hardness and modulus requirement The comparison of properties of SBC compound, PVC and TPV are listed in Table II.

Kunkle Important Notice Regarding the Availability of Proxy Materials for the Annual Meeting to be held on May 14, 2020: The proxy statement, proxy card and annual report to shareholders for the fiscal year ended December 31, 2019 are available at our Internet website, www.polyone.com, on the “Investor Relations” page. Impact of Our Performance on Named Executive Officer 2019 Compensation 2019 Annual Incentive Program Name Title 2019 Annual Incentive Program Payouts Named Executive Officer 2019 Target Opportunity ($) Payout (%) Payout ($) g 2019 Long-Term Incentive Program 2017 – 2019 Cash-Settled Performance Units Performance Measure: Adjusted EPS Performance Periods Weighting Target Result Payout % Our Director Nominees and Committee Membership Name Age Director Since Principal Position Notable Skills and Experiences Independent Committee Membership (M=Member, C=Chair) AC CC G&CRC* EH&SC Average Tenure Average Age Gender Diversity 6 60 30% Name Age Director Since Principal Position Notable Skills and Experiences Independent Committee Membership (M=Member, C=Chair) AC CC G&CRC* EH&SC Governance Highlights Director Independence Independent Lead Director Board Oversight of Risk Management Stock Ownership Requirements Board Practices PROXY STATEMENT POLYONE CORPORATION PolyOne Center 33587 Walker Road Avon Lake, Ohio 44012 PROXY STATEMENT Dated March 30, 2020 PROPOSAL 1 — ELECTION OF BOARD OF DIRECTORS Our Board recommends a vote FOR all the nominees listed below.

WITH ADDITIONAL FACILITIES LISTED ON THE ATTACHED ANNEX) 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: Design and Manufacture of Colorants for Plastics Certificate No: 55324 Effective Date 21 December 2017 ABS Quality Evaluations, Inc. 16855 Northchase Drive, Houston, TX 77060, U.S.A.

POWER TOOL MANUFACTURER P O W E R T O O L B A T T E R Y P A C K • Non-Halogen to industry standards • Increased thermal conductivity • Good impact properties • Easy to process • Corporate color • Provided a non-halogenated solution for Bosch while increasing the thermal conductivity • Supported with regulatory and technical knowledge • Helped to source a UL-listed material from the EU for production in China with identical quality Maxxam NHFR Non-Halogen Flame Retardant Polyolefin Formulation KEY REQUIREMENTS WHY AVIENT?

Total number of shares previously listed in the Articles or other Amendments with the Ohio Secretary of State: With the submission of this amendment, NEW total number of shares: Print Name By (if applicable) Signature Print Name By (if applicable) Signature By signing and submitting this form to the Ohio Secretary of State, the undersigned hereby certifies that he or she has the requisite authority to execute this document. If you wish to expedite the amendment certificate the fees are listed.

ABS Quality Evaluations This is to certify that the Quality Management System of: PolyOne Corporation PolyOne 1260 Carden Farm Drive Clinton, TN 37716 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.

Toluca 2000 Toluca, Estado de México 50233 México IATF 16949:2016 The Quality Management System is applicable to: Certificate No: 63431 Effective Date: 25 February 2022 Expiration Date: 24 February 2025 Revision Date: 25 February 2022 IATF No: 0444538 Dominic Townsend, President DESIGN AND MANUFACTURE OF COLOR CONCENTRATES (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 Avient de México, S.A. de C.V.

TEMPERATURE The "crown cap," the ubiquitous, indispensable style of bottle cap found on beer and soft drink bottles around the world, was created in 1891 by William Painter.

The Parties: i. the natural or legal person(s), public authority/ies, agency/ies or other body/ies (hereinafter “entity/ies”) transferring the personal data, as listed in Annex I.A. The data importer has the data exporter’s general authorisation for the engagement of sub- processor(s) from an agreed list. The data importer has the data exporter’s general authorisation for the engagement of sub- processor(s) from an agreed list.