United States

Securities and Exchange Commission

Washington, DC 20549

Form SD

SPECIALIZED DISCLOSURE REPORT

PolyOne Corporation

(Exact Name of Registrant as Specified in its Charter)

Ohio	1-16091	34-1730488
(State or Other Jurisdiction of Incorporation or Organization)	(Commission File No.)	(I.R.S. Employer Identification Number)

PolyOne Center

33587 Walker Road,

Avon Lake, Ohio 44012

(Address of Principal Executive Offices) (Zip Code)

Lisa K. Kunkle, 440-930-1000

(Name and telephone number, including area code, of the person to contact in connection with this report)

Check the appropriate box to indicate the rule pursuant to which this form is being filed, and provide the period to which the information in this form applies:

x Rule 13p-1 under the Securities Exchange Act (17 CFR 240.13p-1) for the reporting period from January 1 to December 31, 2018.

Section 1 CONFLICT MINERALS DISCLOSURE

Item 1.01 Conflict Minerals Disclosure and Report

Conflict Minerals Disclosure

This Form SD of PolyOne Corporation (the “Company”) is filed pursuant to Rule 13p-1 under the Securities Exchange Act of 1934, as amended, for the reporting period from January 1, 2018 to December 31, 2018.

The description of the Company’s reasonable country of origin inquiry (RCOI) process, the results of our inquiry, and the determination we reached as a result of the RCOI are included in the Company’s Conflict Minerals Report, attached as an exhibit to this Form SD.

The Form SD and Conflict Minerals Report, filed as Exhibit 1.01 hereto, are publicly available at http://www.polyone.com/investors/financials/reporting-sec-filings. The content of any website referred to in this Form SD or the related Conflict Minerals Report is included for general information only and is not incorporated by reference in this Form SD or the related Conflict Minerals Report.

Item 1.02 Exhibit

The Conflict Minerals Report required by Item 1.01 is filed as Exhibit 1.01 to this Form SD.

Section 2 EXHIBITS

Item 2.01 Exhibits

The following exhibit is filed as part of this report.

Exhibit 1.01    Conflict Minerals Report as required by Items 1.01 and 1.02 of this Form SD.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the duly authorized undersigned.

POLYONE CORPORATION
By:	/s/ Lisa K. Kunkle	Date:	May 31, 2019
	Name:  Lisa K. Kunkle
	Title:    Senior Vice President, General Counsel              and Secretary

EXHIBIT INDEX

Exhibit Number	Description of Exhibit
1.01	Conflict Minerals Report as required by Items 1.01 and 1.02 of this Form SD.