The Audit Committee’s specific responsibilities are described in its charter, which is available on the Company’s website at www.polyone.com under the heading “Investors” and the subheading “Governance.” The primary responsibilities of each committee are summarized below and set forth in detail in each committee’s written charter, which is located on our website at www.polyone.com under “Corporate Governance” on our investor relations page.

Microsoft Word - 2016 Proxy - Final.docx UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the RegistrantR Filed by a Party other than the Registrant £ Check the appropriate box: £ Preliminary Proxy Statement £ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) R Definitive Proxy Statement £ Definitive Additional Materials £ Soliciting Material Pursuant to Rule 14a-12 POLYONE CORPORATION (Name of Registrant as Specified in its Charter) (Name of Person(s) Filing Proxy Statement, if Other Than the Registrant) Payment of Filing Fee (Check the appropriate box): R No fee required The primary responsibilities of each committee are summarized below and set forth in detail in each committee’s written charter, which is located on our website at www.polyone.com under “Corporate Governance” on our investor relations page.

The Audit Committee’s specific responsibilities are described in its charter, which is available on the Company’s website at: www.avient.com under the heading “Investors” and the subheading “Governance.” Under its Charter, the Audit Committee has oversight of the Company’s risk management processes, including risk oversight related to cybersecurity and data protection. The primary responsibilities of each committee are summarized below and set forth in detail in each committee’s written charter, which is located on our website at www.avient.com under the heading “Investors” and the subheading “Governance.”

The Operating Council is responsible for oversight of the Sustainability Council, whose charter provides that its ultimate goal is to drive sustainable performance aligned with Avient’s mission and its 4P Strategy, with a focus on Product and Planet.

The Operating Council is responsible for oversight of the Sustainability Council, whose charter provides that its ultimate goal is to drive sustainable performance aligned with Avient’s mission and its 4P Strategy, with a focus on Product and Planet.

Commission file number 1-16091 (Exact name of registrant as specified in its charter) Ohio 34-1730488 (State or other jurisdiction (I.R.S.

Commission file number 1-16091 PolyOne Corporation (Exact name of registrant as specified in its charter) Ohio 34-1730488 (State or other jurisdiction of incorporation or organization) (IRS Employer Identification No.) 33587 Walker Road, 44012 Avon Lake, Ohio (Zip Code) (Address of principal executive offices) Registrant’s telephone number, including area code (440) 930-1000 Securities registered pursuant to Section 12(b) of the Act: Title of each class Name of each exchange on which registered Common Shares, par value $.01 per share New York Stock Exchange Securities registered pursuant to Section 12(g) of the Act: None Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.

Commission file number 1-16091 (Exact name of registrant as specified in its charter) Ohio 34-1730488 (State or other jurisdiction of incorporation or organization) (IRS Employer Identification No.) 33587 Walker Road, 44012 Avon Lake, Ohio (Zip Code) (Address of principal executive offices) Registrant’s telephone number, including area code (440) 930-1000 Securities registered pursuant to Section 12(b) of the Act: Title of each class Name of each exchange on which registered Common Shares, par value $.01 per share New York Stock Exchange Securities registered pursuant to Section 12(g) of the Act: None Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.

Commission file number 1-16091 PolyOne Corporation (Exact name of registrant as specified in its charter) Ohio   34-1730488 (State or other jurisdiction of incorporation or organization)   (IRS Employer Identification No.) 33587 Walker Road,   44012 Avon Lake, Ohio   (Zip Code) (Address of principal executive offices)   Registrant’s telephone number, including area code            (440) 930-1000 Securities registered pursuant to Section 12(b) of the Act: Title of each class   Name of each exchange on which registered Common Shares, par value $.01 per share   New York Stock Exchange Securities registered pursuant to Section 12(g) of the Act: None Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.    

Climate change (4.1.2.1) Positions of individuals or committees with accountability for this environmental issue Select all that apply ☑ Board chair ☑ Board-level committee ☑ Other, please specify :Governance and Corporate Responsibility and Environmental, Health and Safety Committee Chairs (4.1.2.2) Positions’ accountability for this environmental issue is outlined in policies applicable to the board 66 Select from: ☑ Yes (4.1.2.3) Policies which outline the positions’ accountability for this environmental issue Select all that apply ☑ Other policy applicable to the board, please specify :Governance and Corporate Responsibility Charter EHS committee Charter (4.1.2.4) Frequency with which this environmental issue is a scheduled agenda item Select from: ☑ Scheduled agenda item in every board meeting (standing agenda item) (4.1.2.5) Governance mechanisms into which this environmental issue is integrated Select all that apply ☑ Reviewing and guiding annual budgets ☑ Overseeing and guiding public policy engagement ☑ Overseeing and guiding scenario analysis ☑ Overseeing and guiding public policy engagement ☑ Overseeing the setting of corporate targets ☑ Reviewing and guiding innovation/R&D priorities ☑ Monitoring progress towards corporate targets ☑ Approving and/or overseeing employee incentives ☑ Approving corporate policies and/or commitments ☑ Overseeing and guiding major capital expenditures ☑ Monitoring the implementation of a climate transition plan ☑ Overseeing and guiding the development of a business strategy ☑ Overseeing and guiding acquisitions, mergers, and divestitures ☑ Monitoring compliance with corporate policies and/or commitments ☑ Reviewing and guiding the assessment process for dependencies, impacts, risks, and opportunities (4.1.2.7) Please explain Climate Change related issues are the responsibility of Avient’s Chairman of the Board.