AVNT / Avient Corporation - SEC Filings, Annual Report, Proxy Statement

Avient Corporation
US ˙ NYSE ˙ US05368V1061

Basic Stats
LEI SM8L9RZYIB34LNTWO040
CIK 1122976
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Avient Corporation
SEC Filings (Chronological Order)
This page provides a complete, chronological list of SEC Filings, excluding ownership filings which we provide elsewhere.
August 1, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended June 30, 2025 OR ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to . Commission file number 1-16091 AVIENT CORP

August 1, 2025 EX-99.1

Avient Announces Second Quarter 2025 Results

NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Second Quarter 2025 Results •Second quarter sales of $867 million reflect 2% growth over the prior year quarter and includes a favorable impact of 1% from foreign exchange •Second quarter GAAP EPS of $0.

August 1, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): August 1, 2025 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Number

June 17, 2025 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K (Mark One) ý ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number 1-16091 A. Full title of the plan a

June 16, 2025 EX-10.1

Revolving Credit Agreement, dated as of June 12, 2025, by and among Avient Corporation, JPMorgan Chase Bank, N.A., as administrative agent, and the various lenders party thereto

EXHIBIT 10.1 EXECUTION VERSION REVOLVING CREDIT AGREEMENT Dated as of June 12, 2025 among AVIENT CORPORATION, as the Borrower, JPMORGAN CHASE BANK, N.A., as Administrative Agent, and The Lenders Party Hereto JPMORGAN CHASE BANK, N.A., CITIGROUP GLOBAL MARKETS INC., MORGAN STANLEY SENIOR FUNDING, INC. and TRUIST SECURITIES, INC as Joint-Lead Arrangers and Joint-Book Managers CITIGROUP GLOBAL MARKET

June 16, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 12, 2025 Avient Corporation

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 12, 2025 Avient Corporation (Exact name of registrant as specified in its charter) Ohio 1-16091 34-1730488 (State or other jurisdiction of incorporation) (Commission File Number)

June 3, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 29, 2025 Avient Corporation (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 29, 2025 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Number)

June 2, 2025 EX-1.01

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

Exhibit 1.01 AVIENT CORPORATION Conflict Minerals Report For the Reporting Period from January 1, 2024 to December 31, 2024 This Conflict Minerals Report (“Report”) for Avient Corporation for the reporting period from January 1 through December 31, 2024 (“Reporting Period”) is filed as an exhibit to Form SD as required by Rule 13p-1 (“Rule”) under the Securities Exchange Act of 1934, as amended. T

June 2, 2025 SD

United States Securities and Exchange Commission Washington, DC 20549 Form SD SPECIALIZED DISCLOSURE REPORT Avient Corporation (Exact Name of Registrant as Specified in its Charter)

United States Securities and Exchange Commission Washington, DC 20549 Form SD SPECIALIZED DISCLOSURE REPORT Avient 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.

May 15, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 14, 2025 Avient Corporation (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 14, 2025 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Number)

May 6, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended March 31, 2025 OR ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to . Commission file number 1-16091 AVIENT COR

May 6, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 6, 2025 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Number) (

May 6, 2025 EX-99.1

Avient Announces First Quarter 2025 Results

NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces First Quarter 2025 Results •First quarter sales of $827 million, reflects 2% organic growth over the prior year quarter, excluding the impact of foreign exchange •First quarter GAAP EPS of ($0.

May 6, 2025 EX-10.2

Letter Agreement, dated February 11, 2025, between Joel R. Rathbun and Avient Corporation

Exhibit 10.2 Dr. Ashish Khandpur President and Chief Executive Officer Avient Corporation 33587 Walker Road Avon Lake, OH 44012 440.930.1000 www.avient.com February 11, 2025 Mr. Joel R. Rathbun c/o Avient Corporation 33587 Walker Road Avon Lake, Ohio 44012 Dear Joel: In connection with the conclusion of your service with Avient Corporation (“Avient” or the “Company”), including in the role of Seni

March 27, 2025 DEF 14A

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 (Amend

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 (Amendment No.

March 27, 2025 DEFA14A

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 (Amend

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 (Amendment No.

March 17, 2025 EX-10.1

Amendment Agreement No. 10, dated as of March 12, 2025, by and among Avient Corporation, the subsidiaries of Avient Corporation party thereto, the existing lenders under the Term Loan Agreement, Citibank, N.A, as administrative agent, and Truist Bank, as the Amendment No. 10 Additional Term Lender.

Exhibit 10.1 Execution Version AMENDMENT AGREEMENT NO. 10 AMENDMENT AGREEMENT NO. 10, dated as of March 12, 2025 (this “Amendment”), by and among AVIENT CORPORATION (formerly known as POLYONE CORPORATION), an Ohio corporation (the “Borrower”), the other Loan Parties party hereto, the existing Lenders (the “Existing Lenders”) under, and as defined in, the Credit Agreement (as hereinafter defined) p

March 17, 2025 8-K

Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 12, 2025 Avient Corporation (Exact name of registrant as specified in its charter) Ohio 1-16091 34-1730488 (State or other jurisdiction of incorporation) (Commission File Number

February 18, 2025 10-K

United States Securities and Exchange Commission Washington, DC 20549 FORM 10-K ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION

United States Securities and Exchange Commission Washington, DC 20549 FORM 10-K ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to .

February 18, 2025 EX-10.19

Schedule of Executive Officers and Others with Management Continuity Agreements

Exhibit 10.19 SCHEDULE OF EXECUTIVE OFFICERS WITH MANAGEMENT CONTINUITY AGREEMENTS Title Name Years / Comp* Excise Tax Gross Up? President, Chief Executive Officer and Board Member Ashish K. Khandpur 3 N Senior Vice President and Chief Financial Officer Jamie A. Beggs 2 N Senior Vice President and Chief Technology Officer Philip G. Clark, Jr. 2 N Senior Vice President and Chief Human Resources Off

February 18, 2025 EX-10.15

First Amendment to the Avient Supplemental Retirement Benefit Plan (As Amended and Restated Effective January 1, 2014), dated as of March 16, 2016; Amendment No. 2 to the Avient Supplemental Retirement Benefit Plan (As Amended and Restated Effective January 1, 2014), dated as of December 19, 2018; and Amendment No. 3 to the Avient Supplemental Retirement Benefit Plan (As Amended and Restated Effective January 1, 2014), dated as of April 18, 2019; and Amendment No. 4 to the Avient Supplemental Retirement Benefit Plan (As Amended and Restated Effective January 1, 2014), dated as of December 18, 2019

Exhibit 10.15 First Amendment to the PolyOne Supplemental Retirement Benefit Plan (As amended and restated effective January 1, 2014) WHEREAS, PolyOne Corporation (“PolyOne”) established a non-qualified retirement benefit program known as PolyOne Supplemental Retirement Benefit Plan (“Plan”) effective January 1, 2004; and WHEREAS, effective January 1, 2014, PolyOne amended and restated the Plan to

February 18, 2025 EX-21.1

Subsidiaries of the Company

Exhibit 21.1 SUBSIDIARIES OF THE COMPANY Name Formation Jurisdiction Altona Properties Pty Ltd. (37.4% owned) Australia Auseon Limited Australia Avient Argentina S.A. Argentina Avient Austria GmbH Austria Avient Belgium S.A. Belgium Avient Brasil Ltda. Brazil Avient Canada ULC Canada Avient Canada-Australia S.à r.l Luxembourg Avient Chile SpA Chile Avient China Co., Ltd. China Avient Colombia S.A.

February 18, 2025 EX-10.29

Form of 2025 Award Agreement under the Avient Corporation 2020 Equity and Incentive Compensation Plan (Amended and Restated Effective May 11, 2023)

Exhibit 10.29 THIS AGREEMENT CONSTITUTES PART OF A PROSPECTUS COVERING SECURITIES REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED. THE COMMON SHARES OF THE COMPANY ARE LISTED ON THE NEW YORK STOCK EXCHANGE. #GrantDate# Attn: #ParticipantName# Avient Corporation AVIENT CORPORATION INCENTIVE AWARD Grant of Restricted Stock Units Subject to the terms and conditions of the Avient Corporation 2

February 18, 2025 EX-19.1

Avient Corporation Securities Trading Policy

Exhibit 19.1 AVIENT CORPORATION Securities Trading Policy 1.General Policy: The Board of Directors of Avient Corporation (the “Company”) has determined, consistent with the Company’s Code of Conduct, that it is the Company’s policy to comply with all applicable federal and state securities laws, including those relating to buying or selling securities of the Company. In the course of conducting th

February 13, 2025 EX-99.1

Avient Announces Fourth Quarter and Full Year 2024 Results

NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Fourth Quarter and Full Year 2024 Results •Fourth quarter sales increased 4% to $747 million and full year sales increased 3% to $3,240 million •Organic sales, which excludes the impact of foreign exchange, grew 5% and 4% in the fourth quarter and full year, respectively, driven by positive growth in all regions •Fourth quarter and full year GAAP EPS from continuing operations of $0.

February 13, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 13, 2025 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Num

November 5, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended September 30, 2024 OR ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to . Commission file number 1-16091 AVIENT

November 5, 2024 EX-10.1

Letter agreement, dated July 22, 2024, between Michael A. Garratt and Avient Corporation

Exhibit 10.1 33587 Walker Road Avon Lake, OH 44012 July 22, 2024 Mr. Michael Garratt c/o Avient Corporation Avient World Headquarters 33587 Walker Road Avon Lake, Ohio 44012 Dear Michael: In connection with your retirement from Avient Corporation (“Avient” or the “Company”), Avient desires to enter into this letter agreement with you (“Letter Agreement”) as of the date first written above (the “Ef

October 31, 2024 EX-99.1

Avient Announces Third Quarter 2024 Results

NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Third Quarter 2024 Results •Third quarter sales increased 8% over the prior year quarter to $815 million supported by broad-based growth across all regions and most end markets •Third quarter GAAP EPS from continuing operations of $0.

October 31, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 31, 2024 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Numb

September 19, 2024 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 19, 2024 Avient Corporation (Exact name of registrant as specified in its charter) Ohio 1-16091 34-1730488 (State or other jurisdiction of incorporation) (Commission File Nu

September 19, 2024 EX-4.1

Indenture, dated September 19, 2024, between Avient Corporation and U.S. Bank Trust Company, National Association, as trustee.

Exhibit 4.1 AVIENT CORPORATION as Issuer 6.250% SENIOR NOTES DUE 2031 INDENTURE DATED AS OF SEPTEMBER 19, 2024 U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION as Trustee TABLE OF CONTENTS Page ARTICLE I DEFINITIONS AND INCORPORATION BY REFERENCE SECTION 1.1 Definitions 1 SECTION 1.2 Other Definitions 35 SECTION 1.3 [Reserved] 35 SECTION 1.4 Rules of Construction 35 SECTION 1.5 Limited Condition Tran

September 6, 2024 EX-99.1

Avient Announces Pricing of $650 Million 6.250% Senior Notes due 2031

Exhibit 99.1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Pricing of $650 Million 6.250% Senior Notes due 2031 CLEVELAND, September 5, 2024 – Avient Corporation (NYSE: AVNT) (“Avient”) today announced the pricing of its previously announced offering of $650 million in aggregate principal amount of senior notes due 2031 (the “notes”) in an offering exempt from the registration requirements o

September 6, 2024 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 5, 2024 Avient Corporation (Exact name of registrant as specified in its charter) Ohio 1-16091 34-1730488 (State or other jurisdiction of incorporation) (Commission File Num

September 5, 2024 EX-99.1

Avient Announces Commencement of $650 Million Senior Notes Offering

Exhibit 99.1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Commencement of $650 Million Senior Notes Offering CLEVELAND, September 5, 2024 – Avient Corporation (NYSE: AVNT) (“Avient”) today announced the commencement of an offering of $650 million in aggregate principal amount of senior notes due 2031 (the “notes”) in an offering exempt from the registration requirements of the Securities Ac

September 5, 2024 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 5, 2024 Avient Corporation (Exact name of registrant as specified in its charter) Ohio 1-16091 34-1730488 (State or other jurisdiction of incorporation) (Commission File Num

August 6, 2024 EX-99.1

Avient Announces Second Quarter 2024 Results

NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Second Quarter 2024 Results •Second quarter sales grew to $850 million, a 3% increase over the prior year quarter and a 5% organic increase when excluding the impact of foreign exchange •Second quarter GAAP EPS from continuing operations of $0.

August 6, 2024 EX-10.2

Letter Agreement, dated May 3, 2024, between Robert M. Patterson and Avient Corporation

Exhibit 10.2 Richard H. Fearon Non-Executive Chairman Avient Corporation 33587 Walker Road Avon Lake, OH 44012 440.930.1000 www.avient.com May 3, 2024 Mr. Robert M. Patterson c/o Avient Corporation 33587 Walker Road Avon Lake, Ohio 44012 Dear Bob: In connection with the conclusion of your service with Avient Corporation (“Avient” or the “Company”), including in the role of Special Advisor, Avient

August 6, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended June 30, 2024 OR ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to . Commission file number 1-16091 AVIENT CORP

August 6, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): August 6, 2024 Avient Corporation

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): August 6, 2024 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Number

July 25, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 24, 2024 Avient Corporation

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 24, 2024 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Number)

June 25, 2024 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K (Mark One) ý ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number 1-16091 A. Full title of the plan a

May 31, 2024 EX-1.01

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

Exhibit 1.01 AVIENT CORPORATION Conflict Minerals Report For the Reporting Period from January 1, 2023 to December 31, 2023 This Conflict Minerals Report (“Report”) for Avient Corporation for the reporting period from January 1 through December 31, 2023 (“Reporting Period”) is filed as an exhibit to Form SD as required by Rule 13p-1 (“Rule”) under the Securities Exchange Act of 1934, as amended. T

May 31, 2024 SD

United States Securities and Exchange Commission Washington, DC 20549 Form SD SPECIALIZED DISCLOSURE REPORT Avient Corporation (Exact Name of Registrant as Specified in its Charter)

United States Securities and Exchange Commission Washington, DC 20549 Form SD SPECIALIZED DISCLOSURE REPORT Avient 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.

May 20, 2024 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 16, 2024 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Number)

May 7, 2024 EX-10.1

Amendment Agreement No. 9, dated as of April 9, 2024, by and among Avient Corporation, the other Loan Parties party hereto, the existing Lenders under, and as defined in, the Credit Agreement party thereto, and Citibank, N.A., as the administrative agent and as the Amendment No. 9 Additional Term Lender

Exhibit 10.1 AMENDMENT AGREEMENT NO. 9 AMENDMENT AGREEMENT NO. 9, dated as of April 9, 2024 (this “Amendment”), by and among AVIENT CORPORATION (formerly known as POLYONE CORPORATION), an Ohio corporation (the “Borrower”), the other Loan Parties party hereto, the existing Lenders (the “Existing Lenders”) under, and as defined in, the Credit Agreement (as hereinafter defined) party hereto, and CITI

May 7, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended March 31, 2024 OR ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to . Commission file number 1-16091 AVIENT COR

May 7, 2024 EX-99.1

Avient Announces First Quarter 2024 Results

NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces First Quarter 2024 Results •First quarter GAAP EPS from continuing operations of $0.

May 7, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 7, 2024 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Number) (

March 27, 2024 DEFA14A

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 (Amend

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 (Amendment No.

March 27, 2024 DEF 14A

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 (Amend

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 (Amendment No.

February 20, 2024 EX-10.29

Award Agreement under the Avient Corporation 2020 Equity and Incentive Compensation Plan (

Exhibit 10.29 THIS AGREEMENT CONSTITUTES PART OF A PROSPECTUS COVERING SECURITIES REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED. THE COMMON SHARES OF THE COMPANY ARE LISTED ON THE NEW YORK STOCK EXCHANGE. AVIENT CORPORATION INCENTIVE AWARDS Dear : Subject to the terms and conditions of the Avient Corporation 2020 Equity and Incentive Compensation Plan, as amended and restated effective M

February 20, 2024 EX-21.1

Subsidiaries of the Company

Exhibit 21.1 SUBSIDIARIES OF THE COMPANY Name Formation Jurisdiction Altona Properties Pty Ltd. (37.4% owned) Australia Auseon Limited Australia Avient Argentina S.A. Argentina Avient Austria GmbH Austria Avient Belgium S.A. Belgium Avient Brasil Ltda. Brazil Avient Canada ULC Canada Avient Canada-Australia S.à r.l Luxembourg Avient Chile SpA Chile Avient China Co., Ltd. China Avient Colombia S.A.

February 20, 2024 10-K

United States Securities and Exchange Commission Washington, DC 20549 FORM 10-K ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION

United States Securities and Exchange Commission Washington, DC 20549 FORM 10-K ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to .

February 20, 2024 EX-97.1

Avient Corporation Compensation Clawback Policy Effective October 2, 2023

Exhibit 97.1 AVIENT CORPORATION Compensation Clawback Policy Effective October 2, 2023 Purpose As required pursuant to the listing standards of the New York Stock Exchange (the “Stock Exchange”), Section 10D of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and Rule 10D-1 under the Exchange Act, the Board of Directors (the “Board”) of Avient Corporation (the “Company”) has a

February 20, 2024 EX-10.19

with Management Continuity Agreements

Exhibit 10.19 SCHEDULE OF EXECUTIVE OFFICERS AND OTHERS WITH MANAGEMENT CONTINUITY AGREEMENTS Title Name Years / Comp* Excise Tax Gross Up? President and Chief Executive Officer Ashish K. Khandpur 3 N Special Advisor Robert M. Patterson 3 Y Senior Vice President, Chief Financial Officer Jamie A. Beggs 2 N Senior Vice President, Chief Human Resources Officer Kristen A. Gajewski 2 N Senior Vice Pres

February 14, 2024 EX-99.1

Avient Announces Fourth Quarter and Full Year 2023 Results

NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Fourth Quarter and Full Year 2023 Results •Fourth quarter and full year GAAP EPS of $0.

February 14, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 14, 2024 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Num

February 13, 2024 SC 13G/A

AVNT / Avient Corporation / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv0377-avientcorp.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 16)* Name of issuer: Avient Corp Title of Class of Securities: Common Stock CUSIP Number: 05368V106 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to designate the rule pu

February 9, 2024 SC 13G/A

AVNT / Avient Corporation / Marquard & Bahls AG - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Avient Corporation (Name of Issuer) Common Shares (Title of Class of Securities) 05368V106 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Sch

November 13, 2023 8-K

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 10, 2023 Avient Corporation (Exact name of registrant as specified in its charter) Ohio 1-16091 34-1730488 (State or other jurisdiction of incorporation) (Commission File Num

November 13, 2023 EX-99.1

Avient Appoints Ashish K. Khandpur as Chief Executive Officer Effective December 1, 2023 Robert M. Patterson to Remain in an Advisory Role Until His Retirement on May 31, 2024 Richard H. Fearon Appointed Non-Executive Chairman of the Board

Exhibit 99.1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Appoints Ashish K. Khandpur as Chief Executive Officer Effective December 1, 2023 Robert M. Patterson to Remain in an Advisory Role Until His Retirement on May 31, 2024 Richard H. Fearon Appointed Non-Executive Chairman of the Board CLEVELAND – November 13, 2023 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainab

November 2, 2023 EX-99.1

Avient Announces Third Quarter 2023 Results

NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Third Quarter 2023 Results •GAAP EPS of $0.

November 2, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended September 30, 2023 OR ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to . Commission file number 1-16091 AVIENT

November 2, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): November 2, 2023 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Numb

August 17, 2023 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 16, 2023 Avient Corporation (Exact name of registrant as specified in its charter) Ohio 1-16091 34-1730488 (State or other jurisdiction of incorporation) (Commission File Numbe

August 17, 2023 EX-10.1

Amendment Agreement No. 8, dated August 16, 2023, by and among Avient Corporation, the subsidiaries of Avient Corporation party thereto,

Exhibit 10.1 AMENDMENT AGREEMENT NO. 8 AMENDMENT AGREEMENT NO. 8, dated as of August 16, 2023 (this “Amendment”), by and among AVIENT CORPORATION (formerly known as POLYONE CORPORATION), an Ohio corporation (the “Borrower”), the other Loan Parties party hereto, the existing Lenders (the “Existing Lenders”) under, and as defined in, the Credit Agreement (as hereinafter defined) party hereto, CITIBA

July 27, 2023 EX-99.1

Avient Announces Second Quarter 2023 Results

NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Second Quarter 2023 Results •GAAP EPS of $0.

July 27, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 27, 2023 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Number)

July 27, 2023 EX-10.1

Second Amendment to Third Amended and Restated Credit Agreement, dated as of April 3, 2023, by and among the lenders party thereto, Wells Fargo Capital Finance, LLC, as administrative agent for the lenders, Avient Corporation, NEU Specialty Engineered Materials, LLC, Avient Canada ULC, and Avient S.a.r.l (incorporated by reference to Exhibit 10.1 to the Company's Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2023, SEC File No.1-16091)

Exhibit 10.1 SECOND AMENDMENT TO THIRD AMENDED AND RESTATED CREDIT AGREEMENT This SECOND AMENDMENT TO THIRD AMENDED AND RESTATED CREDIT AGREEMENT (this "Amendment") is entered into as of April 3, 2023, by and among the Lenders identified on the signature pages hereto, Wells Fargo Capital Finance, LLC, a Delaware limited liability company, as administrative agent for the Lenders (in such capacity,

July 27, 2023 EX-10.2

Avient Corporation 2020 Equity and Incentive Compensation Plan (Amended and Restated Effective May 11, 2023) (incorporated by reference to Appendix B to the Registrant’s Definitive Proxy Statement on Schedule 14A, filed March 29, 2023, SEC File No. 001-16091)

AVIENT CORPORATION 2020 EQUITY AND INCENTIVE COMPENSATION PLAN (Amended and Restated Effective May 11, 2023) 1.

July 27, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended June 30, 2023 OR ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to . Commission file number 1-16091 AVIENT CORP

June 23, 2023 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K (Mark One) ý ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number 1-16091 A. Full title of the plan a

May 31, 2023 SD

United States Securities and Exchange Commission Washington, DC 20549 Form SD SPECIALIZED DISCLOSURE REPORT Avient Corporation (Exact Name of Registrant as Specified in its Charter)

United States Securities and Exchange Commission Washington, DC 20549 Form SD SPECIALIZED DISCLOSURE REPORT Avient 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.

May 31, 2023 EX-1.01

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

Exhibit 1.01 AVIENT CORPORATION Conflict Minerals Report For the Reporting Period from January 1, 2022 to December 31, 2022 This Conflict Minerals Report (“Report”) for Avient Corporation for the reporting period from January 1 through December 31, 2022 (“Reporting Period”) is filed as an exhibit to Form SD as required by Rule 13p-1 (“Rule”) under the Securities Exchange Act of 1934, as amended. T

May 16, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 11, 2023 Avient Corporation (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 11, 2023 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Number)

May 16, 2023 EX-3.1

Avient Corporation Regulations (amended and restated effective May 11, 2023) (incorporated by reference to Exhibit 3.1 to the Company's Current Report on Form 8-K, filed May 16, 2023, SEC File No. 1-16091)

Exhibit 3.1 AVIENT CORPORATION REGULATIONS SHAREHOLDERS’ MEETINGS 1. Time and Place of Meetings. All meetings of the Shareholders for the election of Directors or for any other purpose will be held at such time and place, within or without the State of Ohio, as may be designated by the Board or, in the absence of such designation, by the Chairman, the President, or the Secretary, and stated in the

May 11, 2023 S-8

As filed with the Securities and Exchange Commission on May 11, 2023

S-8 As filed with the Securities and Exchange Commission on May 11, 2023 Registration No.

May 11, 2023 EX-24.1

Powers of Attorney (filed herewith)

EX-24.1 Exhibit 24.1 AVIENT CORPORATION REGISTRATION STATEMENT ON FORM S-8 POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS, that each of the undersigned officers and directors of Avient Corporation, an Ohio corporation (the “Registrant”), hereby constitutes and appoints Robert M. Patterson, Lisa K. Kunkle, Jamie A. Beggs and Kristen Gajewski, or any of them, each acting alone, as the true and

May 11, 2023 EX-FILING FEES

Filing Fee Table (filed herewith)

EX-FILING FEES EXHIBIT 107 Calculation of Filing Fee Tables Form S-8 (Form Type) Avient Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered (1)(2) Proposed Maximum Offering Price Per Unit (3) Maximum Aggregate Offering Price (3) Fee Rate Amount of Registration Fee Equity Common Shares, $0.

May 3, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 3, 2023 Avient Corporation (E

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 3, 2023 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Number) (

May 3, 2023 EX-99.1

Avient Announces First Quarter 2023 Results

NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces First Quarter 2023 Results •First quarter sales of $846 million in line with guidance •GAAP EPS of $0.

May 3, 2023 EX-10.1

Second Amendment to Third Amended and Restated Credit Agreement, dated as of April 3, 2023, by and among the lenders party thereto, Wells Fargo Capital Finance, LLC, as administrative agent for the lenders, Avient Corporation, NEU Specialty Engineered Materials, LLC, Avient Canada ULC, and Avient S.a.r.l. (incorporated by reference to Exhibit 10.1 to the Company's Quarterly Report on Form 10-Q for the quarter ended March 31, 2023, SEC File No. 1-16091)

Exhibit 10.1 SECOND AMENDMENT TO THIRD AMENDED AND RESTATED CREDIT AGREEMENT This SECOND AMENDMENT TO THIRD AMENDED AND RESTATED CREDIT AGREEMENT (this "Amendment") is entered into as of April 3, 2023, by and among the Lenders identified on the signature pages hereto, Wells Fargo Capital Finance, LLC, a Delaware limited liability company, as administrative agent for the Lenders (in such capacity,

May 3, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended March 31, 2023 OR ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to . Commission file number 1-16091 AVIENT COR

March 29, 2023 DEF 14A

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 (Amend

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 (Amendment No.

March 1, 2023 SC 13G

AVNT / Avient Corp / Marquard & Bahls AG - SC 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 Avient Corporation (Name of Issuer) Common Shares (Title of Class of Securities) 05368V106 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☐ R

February 22, 2023 EX-21.1

Subsidiaries of the Company

Exhibit 21.1 SUBSIDIARIES OF THE COMPANY Name Formation Jurisdiction Altona Properties Pty Ltd. (37.4% owned) Australia Auseon Limited Australia Avient Argentina S.A. Argentina Avient Austria GmbH Austria Avient Belgium S.A. Belgium Avient Brasil Ltda. Brazil Avient Canada ULC Canada Avient Canada-Australia S.à r.l Luxembourg Avient Chile SpA Chile Avient China Co., Ltd. China Avient Colombia S.A.

February 22, 2023 EX-10.17

Schedule of Executive Officers with Management Continuity Agreements

Exhibit 10.17 SCHEDULE OF EXECUTIVES WITH MANAGEMENT CONTINUITY AGREEMENTS Title Name Years / Comp* Excise Tax Gross Up? Chairman, President and Chief Executive Officer Robert M. Patterson 3 Y Senior Vice President, Chief Financial Officer Jamie A. Beggs 2 N Senior Vice President, Chief Human Resources Officer Kristen A. Gajewski 2 N Senior Vice President, President, Color, Additives and Inks, EME

February 22, 2023 10-K

United States Securities and Exchange Commission Washington, DC 20549 FORM 10-K ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 ☐ TRANSITION REPORT PURSUANT TO SECTION

United States Securities and Exchange Commission Washington, DC 20549 FORM 10-K ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to .

February 22, 2023 EX-10.27

Form of 2023 Award Agreement under the Avient Corporation 2020 Equity and Incentive Compensation Plan (incorporated by reference to Exhibit 10.27 to the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2022, SEC File No. 1-16091)

Exhibit 10.27 THIS AGREEMENT CONSTITUTES PART OF A PROSPECTUS COVERING SECURITIES REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED. THE COMMON SHARES OF THE COMPANY ARE LISTED ON THE NEW YORK STOCK EXCHANGE. February 17, 2023 AVIENT CORPORATION INCENTIVE AWARDS Dear : Subject to the terms and conditions of the PolyOne Corporation (n/k/a Avient Corporation) 2020 Equity and Incentive Compensa

February 15, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 15, 2023 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Num

February 15, 2023 EX-99.1

Avient Announces Fourth Quarter and Full Year 2022 Results

NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Fourth Quarter and Full Year 2022 Results •Fourth quarter and full year GAAP EPS from continuing operations of $(0.

February 9, 2023 SC 13G/A

AVNT / Avant Loans Funding Trust 2017-B 4.99 / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 15)* Name of issuer: Avient Corp. Title of Class of Securities: Common Stock CUSIP Number: 05368V106 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule

November 7, 2022 EX-99.1

Unaudited pro forma condensed combined financial information

Exhibit 99.1 Unaudited pro forma condensed combined financial information Introduction The following unaudited pro forma condensed combined financial information has been prepared in accordance with Article 11 of Regulation S-X as amended by the final rule, Release No. 33-10786 ?Amendments to Financial Disclosures about Acquired and Disposed Businesses.? The unaudited pro forma condensed combined

November 7, 2022 8-K/A

Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): August 29, 2022 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (C

November 7, 2022 8-K

Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): November 1, 2022 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Numb

November 2, 2022 EX-2.1

Asset Purchase Agreement, dated August 11, 2022, by and between Avient Corporation and Hilo Group Buyer, LLC (incorporated by reference to Exhibit 2.1 to the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2022).

EXECUTION VERSION Asset Purchase Agreement by and between Avient Corporation and Hilo Group Buyer, LLC August 11, 2022 TABLE OF CONTENTS Page ARTICLE I DEFINITIONS 1 Section 1.

November 2, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended September 30, 2022 OR ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to . Commission file number 1-16091 AVIENT

November 2, 2022 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): November 2, 2022 Avient Corporati

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): November 2, 2022 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Numb

November 2, 2022 EX-99.1

Avient Announces Third Quarter 2022 Results

NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Third Quarter 2022 Results •Completed the acquisition of DSM Protective Materials (including Dyneema®) on September 1st and the sale of the Distribution business on November 1st •$750 million of after-tax proceeds from the sale of Distribution used to redeem all Senior Unsecured Notes due in 2023 and pay down a portion of term loan debt •GAAP EPS from continuing operations of ($0.

September 27, 2022 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): September 27, 2022 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Nu

September 1, 2022 EX-10.1

Amendment Agreement No. 7, dated as of August 29, 2022, by and among Avient Corporation, the lenders party thereto and Citibank, N.A., as administrative agent (incorporated by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K filed on September 1, 2022, SEC File No. 1-16091)

Exhibit 10.1 Execution Version AMENDMENT AGREEMENT NO. 7 AMENDMENT AGREEMENT NO. 7, dated as of August 29, 2022 (this ?Amendment?), by and among AVIENT CORPORATION (formerly known as PolyOne Corporation), an Ohio corporation (the ?Borrower?), the other Loan Parties party hereto, CITIBANK, N.A. as Administrative Agent (in such capacity, the ?Administrative Agent?), and the Term B-6 Lenders (as defi

September 1, 2022 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Completion of Acquisition or Disposition of Assets, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): August 29, 2022 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Numbe

September 1, 2022 EX-99.1

Avient Completes Acquisition of DSM Protective Materials (Dyneema®)

Exhibit 99.1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Completes Acquisition of DSM Protective Materials (Dyneema?) CLEVELAND ? September 1, 2022 ? Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable material solutions, has completed its purchase of the protective materials business of DSM (including the Dyneema? brand), which will now be called Avient Protective Mat

August 12, 2022 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): August 11, 2022 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Numbe

August 12, 2022 EX-99.1

Avient Signs Agreement to Divest Distribution Business to H.I.G. Capital for $950 Million

Exhibit 99.1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Signs Agreement to Divest Distribution Business to H.I.G. Capital for $950 Million CLEVELAND ? August 12, 2022 ? Avient Corporation (NYSE: AVNT), a leading global provider of sustainable and specialized material solutions, today announced it has entered into a definitive agreement to sell its Distribution business to an affiliate of H.I.G. Cap

August 10, 2022 EX-4.1

Indenture, dated August 10, 2022, between Avient Corporation and U.S. Bank Trust Company, National Association as trustee (incorporated by reference to Exhibit 4.1 to the Company's Current Report on Form 8-K filed on August 10, 2022, SEC File No. 1-16091)

Exhibit 4.1 AVIENT CORPORATION as Issuer 7.125% SENIOR NOTES DUE 2030 INDENTURE DATED AS OF AUGUST 10, 2022 U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION as Trustee TABLE OF CONTENTS Page ARTICLE I DEFINITIONS AND INCORPORATION BY REFERENCE SECTION 1.1 Definitions 1 SECTION 1.2 Other Definitions 35 SECTION 1.3 [Reserved] 35 SECTION 1.4 Rules of Construction 35 SECTION 1.5 Limited Condition Transac

August 10, 2022 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 10, 2022 Avient Corporation (Exact name of registrant as specified in its charter) Ohio 1-16091 34-1730488 (State or other jurisdiction of incorporation) (Commission File Numbe

August 3, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 3, 2022 Avient Corporation (Exact name of registrant as specified in its charter) Ohio 1-16091 34-1730488 (State or other jurisdiction of incorporation) (Commission File Number

August 3, 2022 EX-99.3

Unaudited pro forma condensed combined financial information

Exhibit 99.3 Unaudited pro forma condensed combined financial information Introduction On June 23, 2022, Avient Corporation (?we,? ?Avient? or the ?Company?) entered into a Sale and Purchase Agreement (as amended, the ?Purchase Agreement?) with Koninklijke DSM N.V., a public limited liability company incorporated under the laws of the Netherlands (the ?Seller? or ?DSM?), pursuant to which the Comp

August 3, 2022 EX-99.1

Combined carve-out financial DSM Protective Materials For the financial year ended 31 December 2021

Exhibit 99.1 Combined carve-out financial statements DSM Protective Materials For the financial year ended 31 December 2021 Combined carve-out financial statements of DPM Table of contents Independent auditor?s report 3 Combined carve-out income statement 5 Combined carve-out statement of comprehensive income 6 Combined carve-out statement of financial position at 31 December 7 Combined carve-out

August 3, 2022 EX-99.2

Unaudited interim condensed combined carve-out financial DSM Protective Materials For the three month period ended 31 March 2022

Exhibit 99.2 Unaudited interim condensed combined carve-out financial statements DSM Protective Materials For the three month period ended 31 March 2022 Unaudited interim condensed combined carve-out financial statements of DPM Table of contents Unaudited Interim Condensed Combined Carve-out Income Statement 3 Unaudited Interim Condensed Combined Carve-out Statement of Comprehensive Income 4 Unaud

July 27, 2022 EX-99.1

Avient Announces Pricing of $725 Million 7.125% Senior Notes due 2030

Exhibit 99.1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Pricing of $725 Million 7.125% Senior Notes due 2030 CLEVELAND, July 27, 2022 ? Avient Corporation (NYSE: AVNT) (?Avient?) today announced the pricing of its previously announced offering of $725 million in aggregate principal amount of senior notes due 2030 (the ?notes?) in an offering exempt from the registration requirements of th

July 27, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 27, 2022 Avient Corporation (Exact name of registrant as specified in its charter) Ohio 1-16091 34-1730488 (State or other jurisdiction of incorporation) (Commission File Number)

July 26, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 26, 2022 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Number)

July 26, 2022 EX-99.2

Avient Announces Commencement of $725 Million Senior Notes Offering

Exhibit 99.2 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Commencement of $725 Million Senior Notes Offering CLEVELAND, July 26, 2022 ? Avient Corporation (NYSE: AVNT) (?Avient?) today announced the commencement of an offering of $725 million in aggregate principal amount of senior notes due 2030 (the ?notes?) in an offering exempt from the registration requirements of the Securities Act of

July 26, 2022 EX-99.1

Avient Announces Second Quarter 2022 Results

NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Second Quarter 2022 Results ?Second quarter sales grew to $1.

July 26, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended June 30, 2022 OR ? Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to . Commission file number 1-16091 AVIENT CORP

July 26, 2022 EX-99.1

Summary Historical Financial Information of DSM Protective Materials

Exhibit 99.1 Dyneema Business Update The Seller has provided preliminary estimated unaudited selected financial results of DSM Protective Materials for its second quarter ended June 30, 2022. Based on information available as of the date of this offering memorandum, the following are preliminary estimates for the quarter ended June 30, 2022: ? Sales of ?95,838; ? Operating profit of ?20,575; ? EBI

July 26, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 26, 2022 Avient Corporation (Exact name of registrant as specified in its charter) Ohio 1-16091 34-1730488 (State or other jurisdiction of incorporation) (Commission File Number)

June 24, 2022 EX-2.1

Sale and Purchase Agreement of the DSM Protective Materials Business, by and among Koninklijke DSM N.V., Avient Corporation and, solely for the purposes of Clause 2.1 and Clause 2.2, Fiber-Line International B.V., dated June 23, 2022 (incorporated by reference to Exhibit 2.1 to the Company's Current Report on Form 8-K filed on June 24, 2022, SEC File No. 1-16091)

Confidential Execution Version KONINKLIJKE DSM N.V. AS THE SELLER AND AVIENT CORPORATION AS THE PURCHASER AND (solely for purposes of Clause 2.1 and Clause 2.2) FIBER-LINE INTERNATIONAL B.V. AS THE DUTCH PURCHASER AGREEMENT FOR THE SALE AND PURCHASE OF ALL THE ISSUED AND OUTSTANDING SHARES IN DSM PROTECTIVE MATERIALS B.V. AND DSM PROTECTIVE MATERIALS INTERNATIONAL B.V. AND ALL THE ISSUED AND OUTST

June 24, 2022 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): June 23, 2022 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Number)

June 24, 2022 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number 1-16091 A. Full title of the plan a

May 31, 2022 EX-1.01

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

Exhibit 1.01 AVIENT CORPORATION Conflict Minerals Report For the Reporting Period from January 1, 2021 to December 31, 2021 This Conflict Minerals Report (?Report?) for Avient Corporation for the reporting period from January 1 through December 31, 2021 (?Reporting Period?) is filed as an exhibit to Form SD as required by Rule 13p-1 (?Rule?) under the Securities Exchange Act of 1934, as amended. T

May 31, 2022 SD

United States Securities and Exchange Commission Washington, DC 20549 Form SD SPECIALIZED DISCLOSURE REPORT Avient Corporation (Exact Name of Registrant as Specified in its Charter)

United States Securities and Exchange Commission Washington, DC 20549 Form SD SPECIALIZED DISCLOSURE REPORT Avient 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.

May 16, 2022 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 12, 2022 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Number)

April 27, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended March 31, 2022 OR ? Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to . Commission file number 1-16091 AVIENT COR

April 27, 2022 EX-2.1

Signing Protocol between Avient Corporation and Koninklijke DSM N.V., dated April 19, 2022 (including the final form of Sale and Purchase Agreement between Avient Corporation and Koninklijke DSM N.V. as Annex A)

Execution copy 19 APRIL 2022 KONINKLIJKE DSM N.V. AS THE SELLER AND AVIENT CORPORATION AS THE PURCHASER NAI-1529660846v3 SIGNING PROTOCOL THE UNDERSIGNED: (1) KONINKLIJKE DSM N.V., a public limited liability company (naamloze vennootschap met beperkte aansprakelijkheid), incorporated under the laws of the Netherlands, having its official seat (statutaire zetel) in Heerlen, with its registered offi

April 20, 2022 EX-99.2

Avient Announces Agreement to Acquire DSM Protective Materials (Dyneema®) and Plans to Explore Sale of Distribution

NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Agreement to Acquire DSM Protective Materials (Dyneema?) and Plans to Explore Sale of Distribution CLEVELAND ? April 20, 2022 ? Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable material solutions, today announced that it has entered into an agreement with Royal DSM (?DSM?) to purchase the DSM Protective Materials business (including the Dyneema? brand) (the ?Dyneema business?).

April 20, 2022 EX-99.1

Avient Announces First Quarter 2022 Results in Connection with Announcement to Acquire DSM Protective Materials (Dyneema®)

NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces First Quarter 2022 Results in Connection with Announcement to Acquire DSM Protective Materials (Dyneema?) ?First quarter sales grew to $1.

April 20, 2022 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 19, 2022 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Number

March 29, 2022 DEF 14A

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 (Amend

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 (Amendment No.

February 22, 2022 10-K

United States Securities and Exchange Commission Washington, DC 20549 FORM 10-K ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 ☐ TRANSITION REPORT PURSUANT TO SECTION

United States Securities and Exchange Commission Washington, DC 20549 FORM 10-K ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to .

February 22, 2022 EX-21.1

Subsidiaries of the Company

Exhibit 21.1 SUBSIDIARIES OF THE COMPANY Name Formation Jurisdiction Altona Properties Pty Ltd. (37.4% owned) Australia Auseon Limited Australia Avient Argentina S.A. (f/k/a Clariant Plastics & Coatings (Argentina) S.A.) Argentina Avient Austria GmbH (f/k/a Performance Masterbatches Austria GmbH) Austria Avient Belgium S.A. (f/k/a PolyOne Belgium S.A.) Belgium Avient Brasil Ltda. (f/k/a ColorMatri

February 22, 2022 EX-10.16

Schedule of Executive Officers with Management Continuity Agreements

Exhibit 10.16 SCHEDULE OF EXECUTIVES WITH MANAGEMENT CONTINUITY AGREEMENTS Title Name Years / Comp* Excise Tax Gross Up? Chairman, President and Chief Executive Officer Robert M. Patterson 3 Y Senior Vice President, Chief Financial Officer Jamie A. Beggs 2 N Senior Vice President, President of Distribution Cathy K. Dodd 2 N Senior Vice President, President, Color, Additives and Inks, EMEA Michael

February 22, 2022 EX-10.26

Form of 2022 Award Agreement under the Avient Corporation 2020 Equity and Incentive Compensation Plan (incorporated by reference to Exhibit 10.26 to the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2021, SEC File No. 1-16091)

THIS AGREEMENT CONSTITUTES PART OF A PROSPECTUS COVERING SECURITIES REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED.

February 9, 2022 SC 13G/A

AVNT / Avant Loans Funding Trust 2017-B 4.99 / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 14)* Name of issuer: Avient Corp. Title of Class of Securities: Common Stock CUSIP Number: 05368V106 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule

February 8, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 8, 2022 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Numb

February 8, 2022 EX-99.01

Avient Announces Record Fourth Quarter and Full Year 2021 Results

NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Record Fourth Quarter and Full Year 2021 Results Financial Performance ?Fourth quarter and full year sales increased 21% to $1.

October 28, 2021 EX-99.1

Avient Announces Record Third Quarter 2021 Results

NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Record Third Quarter 2021 Results ?Sales increased 32% to $1.

October 28, 2021 EX-10.1

Avient Corporation Deferred Compensation Plan for Non-Employee Directors (As Amended and Restated Effective July 15, 2021) (incorporated by reference to Exhibit 10.1 of the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2021, SEC File No. 1-16091)

AVIENT CORPORATION DEFERRED COMPENSATION PLAN FOR NON-EMPLOYEE DIRECTORS (As Amended and Restated Effective July 15, 2021) ARTICLE I PURPOSE OF THE PLAN The purpose of the Avient Corporation Deferred Compensation Plan for Non-Employee Directors (formerly known as the ?PolyOne Corporation Deferred Compensation Plan for Non-Employee Directors?) is to provide any Non-Employee Director of Avient Corporation (formerly known as ?PolyOne Corporation? and hereafter the ?Company?) the option to defer receipt of the compensation payable for services as a Director and to build loyalty to the Company through increased ownership in the Company?s Common Stock.

October 28, 2021 EX-10.2

First Amendment to Third Amended and Restated Credit Agreement, dated as of October 26, 2021, by and among the lenders party thereto, Wells Fargo Capital Finance, LLC, as administrative agent for the lenders, Avient Corporation, NEU Specialty Engineered Materials, LLC, Avient Canada ULC, and PolyOne S.à.r.l.(incorporated by reference to Exhibit 10.2 to the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2021, SEC File No. 1-16091)

FIRST AMENDMENT TO THIRD AMENDED AND RESTATED CREDIT AGREEMENT This FIRST AMENDMENT TO THIRD AMENDED AND RESTATED CREDIT AGREEMENT (this ?Amendment?) is entered into as of October 26, 2021, by and among the Lenders identified on the signature pages hereto, Wells Fargo Capital Finance, LLC, a Delaware limited liability company, as administrative agent for the Lenders (in such capacity, together wit

October 28, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 28, 2021 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Numb

October 28, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended September 30, 2021 OR ? Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to . Commission file number 1-16091 AVIENT

August 6, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): August 6, 2021 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Number

July 30, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended June 30, 2021 OR ? Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to . Commission file number 1-16091 AVIENT CORP

July 30, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 30, 2021 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Number)

July 30, 2021 EX-99.1

Avient Announces Record Second Quarter 2021 Results, Increases Full Year Guidance

NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Record Second Quarter 2021 Results, Increases Full Year Guidance ?GAAP EPS from continuing operations increased to $0.

June 25, 2021 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 OR ? TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number 1-16091 A. Full title of the plan a

May 28, 2021 EX-1.01

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

Exhibit 1.01 AVIENT CORPORATION Conflict Minerals Report For the Reporting Period from January 1, 2020 to December 31, 2020 This Conflict Minerals Report (?Report?) for Avient Corporation for the reporting period from January 1 through December 31, 2020 (?Reporting Period?) is filed as an exhibit to Form SD as required by Rule 13p-1 (?Rule?) under the Securities Exchange Act of 1934, as amended. T

May 28, 2021 SD

United States Securities and Exchange Commission Washington, DC 20549 Form SD SPECIALIZED DISCLOSURE REPORT Avient Corporation (Exact Name of Registrant as Specified in its Charter)

United States Securities and Exchange Commission Washington, DC 20549 Form SD SPECIALIZED DISCLOSURE REPORT Avient 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.

May 17, 2021 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 13, 2021 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Number)

May 10, 2021 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 13)*

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 13)* Name of issuer: Avient Corp. Title of Class of Securities: Common Stock CUSIP Number: 05368V106 Date of Event Which Requires Filing of this Statement: April 30, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule 13d

April 30, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 30, 2021 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Number

April 30, 2021 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended March 31, 2021 OR ? Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to . Commission file number 1-16091 AVIENT COR

April 30, 2021 EX-99.01

Avient Announces Record First Quarter 2021 Results; Increases Full Year Guidance

NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Record First Quarter 2021 Results; Increases Full Year Guidance ?Organic revenues increased 17% to $1.

March 30, 2021 DEF 14A

- DEF 14A

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 Registrant? 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)) ? Definitive Proxy Statement ? Definitive Additional Materials ? Soliciting Material Under ?240.

February 25, 2021 EX-21.1

Subsidiaries of the Company

Exhibit 21.1 SUBSIDIARIES OF THE COMPANY Name Formation Jurisdiction ACP Solutions Southern Africa (PTY) LTD South Africa Altona Properties Pty Ltd. (37.4% owned) Australia Auseon Limited Australia Avient Colorants Belgium SA (f/k/a Clariant Plastics & Coatings SA) Belgium Avient Colorants Italy Srl (f/k/a Clariant Plastics & Coatings (Italia) S.p.A.) Italy Avient Colorants Spain S.A. (f/k/a Clari

February 25, 2021 EX-3.1

Amended and Restated Articles of Incorporation of Avient Corporation (as amended through June 30, 2020) (incorporated by reference to Exhibit 3.1 to the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2020, SEC File No. 1-16091)

Exhibit 3.1 AMENDED AND RESTATED ARTICLES OF INCORPORATION OF AVIENT CORPORATION (As amended through June 30, 2020) FIRST: The name of the Corporation is: Avient Corporation. SECOND: The place in the State of Ohio where the principal office of the Corporation shall be located is in the City of Avon Lake, County of Lorain. THIRD: The purpose of the Corporation is to engage in any lawful act or acti

February 25, 2021 EX-10.16

Schedule of Executive Officers with Management Continuity Agreements

Exhibit 10.16 SCHEDULE OF EXECUTIVES WITH MANAGEMENT CONTINUITY AGREEMENTS Title Name Years / Comp* Excise Tax Gross Up? Chairman, President and Chief Executive Officer Robert M. Patterson 3 Y Senior Vice President, Chief Financial Officer Jamie A. Beggs 2 N Senior Vice President, President of Distribution Cathy K. Dodd 2 N Senior Vice President, President, Color, Additives and Inks, EMEA Michael

February 25, 2021 EX-3.2

Amended and Restated Code of Regulations, effective June 30, 2020 (incorporated by reference to Exhibit 3.2 to the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2020, SEC File No. 1-16091)

Exhibit 3.2 AVIENT CORPORATION REGULATIONS SHAREHOLDERS? MEETINGS 1. Time and Place of Meetings. All meetings of the Shareholders for the election of Directors or for any other purpose will be held at such time and place, within or without the State of Ohio, as may be designated by the Board or, in the absence of such designation, by the Chairman, the President, or the Secretary, and stated in the

February 25, 2021 EX-10.25

2020 Equity and Incentive Compensation Plan

THIS AGREEMENT CONSTITUTES PART OF A PROSPECTUS COVERING SECURITIES REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED.

February 25, 2021 10-K

Annual Report - 10-K

United States Securities and Exchange Commission Washington, DC 20549 FORM 10-K ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to .

February 10, 2021 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 12)*

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 12)* Name of issuer: Avient Corp. Title of Class of Securities: Common Stock CUSIP Number: 05368V106 Date of Event Which Requires Filing of this Statement: December 31, 2020 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule

February 9, 2021 EX-99.01

Avient Announces Fourth Quarter and Full Year 2020 Results and Provides Guidance for 2021

NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Fourth Quarter and Full Year 2020 Results and Provides Guidance for 2021 Fourth Quarter Results •GAAP EPS from continuing operations of $0.

February 9, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 9, 2021 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Numb

November 3, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): November 3, 2020 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Numb

November 3, 2020 EX-99.1

Avient Announces Third Quarter 2020 Results

NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Third Quarter 2020 Results •GAAP EPS from continuing operations of $0.

November 3, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended September 30, 2020 OR ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to . Commission file number 1-16091 AVIENT

October 15, 2020 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 14, 2020 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Numb

October 2, 2020 8-K

Regulation FD Disclosure - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 2, 2020 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Numbe

August 24, 2020 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): August 24, 2020 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Numbe

July 22, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended June 30, 2020 OR ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to . Commission file number 1-16091 AVIENT CORP

July 22, 2020 EX-99.1

Avient Announces Second Quarter 2020 Results

NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Second Quarter 2020 Results •GAAP EPS from continuing operations of $0.

July 22, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 22, 2020 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Number)

July 1, 2020 EX-99.1

PolyOne Completes Clariant Masterbatch Acquisition, Announces New Name: Avient Corporation

EX-99.1 Exhibit 99.1 NEWS RELEASE FOR IMMEDIATE RELEASE PolyOne Completes Clariant Masterbatch Acquisition, Announces New Name: Avient Corporation CLEVELAND – July 1, 2020 – PolyOne Corporation (NYSE: POL), a leading global provider of specialized polymer materials, services and sustainable solutions, has completed its purchase of the color masterbatch businesses of Clariant and Clariant Chemicals

July 1, 2020 EX-3.1

Certificate of Amendment to the Articles of Incorporation, effective June 30, 2020 (incorporated by reference to Exhibit 3.1 to the Company's Current Report on Form 8-K filed on July 1, 2020, SEC File No. 1-16091)

EX-3.1 Exhibit 3.1 DATE 06/30/2020 DOCUMENT ID 202018203934 DESCRIPTION AMENDMENT TO ARTICLES (AMD) FILING 50.00 EXPED 300.00 CERT 0.00 COPY 0.00 Receipt This is not a bill. Please do not remit payment. CT CORPORATION SSTEM 4400 EASTON CMNS SUITE 125 EASTON, OH 4.219 STATE OF OHIO CERTIFICATE Ohio Secretary of State, Frank LaRose 1181191 It is hereby certified that the Secreatary of Stat of Ohio h

July 1, 2020 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): June 30, 2020 Avient Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Number)

July 1, 2020 EX-3.2

Amended and Restated Code of Regulations, effective June 30, 2020.

EX-3.2 Exhibit 3.2 POLYONEAVIENT CORPORATION REGULATIONS SHAREHOLDERS’ MEETINGS 1. Time and Place of Meetings. All meetings of the Shareholders for the election of Directors or for any other purpose will be held at such time and place, within or without the State of Ohio, as may be designated by the Board or, in the absence of such designation, by the Chairman, the President, or the Secretary, and

June 26, 2020 11-K

- 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K (Mark One) ý ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number 1-16091 A. Full title of the plan a

June 1, 2020 EX-1.01

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

Exhibit 1.01 POLYONE CORPORATION Conflict Minerals Report For the Reporting Period from January 1, 2019 to December 31, 2019 This Conflict Minerals Report (“Report”) for PolyOne Corporation for the reporting period from January 1 through December 31, 2019 (“Reporting Period”) is filed as an exhibit to Form SD as required by Rule 13p-1 (“Rule”) under the Securities Exchange Act of 1934, as amended.

June 1, 2020 SD

- SD

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.

May 15, 2020 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 13, 2020 PolyOne Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Number)

May 15, 2020 EX-4.1

, as trustee (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K, filed on May 15, 2020, SEC File No. 1-16091)

EX-4.1 Table of Contents Exhibit 4.1 POLYONE CORPORATION as Issuer 5.750% SENIOR NOTES DUE 2025 INDENTURE DATED AS OF MAY 13, 2020 U.S. BANK NATIONAL ASSOCIATION as Trustee Table of Contents TABLE OF CONTENTS Page ARTICLE I DEFINITIONS AND INCORPORATION BY REFERENCE SECTION 1.1 Definitions 1 SECTION 1.2 Other Definitions 34 SECTION 1.3 [Reserved] 35 SECTION 1.4 Rules of Construction 35 SECTION 1.5

May 14, 2020 EX-24.1

Power of Attorney

EX-24.1 EXHIBIT 24.1 POLYONE CORPORATION REGISTRATION STATEMENT ON FORM S-8 POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS, that each of the undersigned officers and directors of PolyOne Corporation, an Ohio corporation (the “Registrant”), hereby constitutes and appoints Robert M. Patterson, Lisa K. Kunkle, Bradley C. Richardson and João José San Martin Neto, or any of them, each acting alon

May 14, 2020 S-8

- S-8

S-8 As filed with the Securities and Exchange Commission on May 14, 2020 Registration No.

May 8, 2020 SC 13G/A

POL / PolyOne Corp. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 11)* Name of issuer: PolyOne Corp. Title of Class of Securities: Common Stock CUSIP Number: 73179P106 Date of Event Which Requires Filing of this Statement: April 30, 2020 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule 13

April 29, 2020 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
 Date of report (Date of earliest event reported): April 29, 2020 PolyOne Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Numb

April 29, 2020 EX-99.2

PolyOne Announces Pricing of $650 Million 5.75% Senior Notes due 2025

EX-99.2 Exhibit 99.2 NEWS RELEASE FOR IMMEDIATE RELEASE PolyOne Announces Pricing of $650 Million 5.75% Senior Notes due 2025 CLEVELAND – April 29, 2020 – PolyOne Corporation (NYSE: POL) today announced the pricing of its previously announced offering of $650 million in aggregate principal amount of senior notes due 2025 (the “notes”) in an offering exempt from the registration requirements of the

April 29, 2020 EX-99.2

UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION

Exhibit 99.2 UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION On December 19, 2019, PolyOne Corporation (the “Company” and, together with its subsidiaries, “PolyOne” or “we”) entered into a definitive share purchase agreement (the “Purchase Agreement”) with Clariant AG (“Clariant”), a corporation organized and existing under the laws of Switzerland, and a definitive business transfer a

April 29, 2020 EX-99.1

PolyOne Announces Commencement of $650 Million Senior Notes Offering

EX-99.1 Exhibit 99.1 NEWS RELEASE FOR IMMEDIATE RELEASE PolyOne Announces Commencement of $650 Million Senior Notes Offering CLEVELAND – April 29, 2020 – PolyOne Corporation (NYSE: POL) today announced the commencement of an offering of $650 million in aggregate principal amount of senior notes due 2025 (the “notes”) in an offering exempt from the registration requirements of the Securities Act of

April 29, 2020 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 29, 2020 PolyOne Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Numbe

April 29, 2020 EX-99.1

The Masterbatches Business of Clariant Ltd

Exhibit 99.1 The Masterbatches Business of Clariant Ltd Combined Financial Statements As of and for the years ended December 31, 2019 and December 31, 2018 The Masterbatches Business of Clariant Ltd Audited Annual Combined Financial Statements Independent Auditors’ Report 2 Combined Balance Sheets as of December 31, 2019 and 2018 Combined Statements of Income for the Years Ended December 31, 2019

April 21, 2020 EX-99.1

PolyOne Announces First Quarter 2020 Results

NEWS RELEASE FOR IMMEDIATE RELEASE PolyOne Announces First Quarter 2020 Results •GAAP EPS from continuing operations of $0.

April 21, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 21, 2020 PolyOne Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Numbe

April 21, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended March 31, 2020 OR ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to . Commission file number 1-16091 POLYONE CO

March 30, 2020 DEF 14A

by reference to Appendix B to the Company's definitive proxy statement on Schedule 14A filed on March 30, 2020,

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 Registrant ☑ 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)) ☑ Definitive Proxy Statement ☐ Definitive Additional Materials ☐ Soliciting Material Under §240.

March 16, 2020 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 13, 2020 PolyOne Corporation (Exact Name of Registrant as Specified in Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.

March 16, 2020 EX-3.1

Regulations, as amended on March 13, 2020.

EX-3.1 Exhibit 3.1 POLYONE CORPORATION REGULATIONS SHAREHOLDERS’ MEETINGS 1. Time and Place of Meetings. All meetings of the Shareholders for the election of Directors or for any other purpose will be held at such time and place, within or without the State of Ohio, as may be designated by the Board or, in the absence of such designation, by the Chairman, the President, or the Secretary, and state

February 19, 2020 EX-10.17

Schedule of Executive Officers with Management Continuity Agreements

Exhibit 10.17 SCHEDULE OF EXECUTIVES WITH MANAGEMENT CONTINUITY AGREEMENTS Title Name Years / Comp* Excise Tax Gross Up? Chairman, President and Chief Executive Officer Robert M. Patterson 3 Y Executive Vice President, Chief Financial Officer Bradley C. Richardson 2 N Senior Vice President, Chief Commercial Officer Michael A. Garratt 2 N Senior Vice President, President of Distribution Scott J. Ho

February 19, 2020 10-K

Annual Report - 10-K

United States Securities and Exchange Commission Washington, DC 20549 FORM 10-K ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to .

February 19, 2020 EX-4.2

Description of Securities (incorporated by reference to Exhibit 4.2 to the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2019, SEC File No. 1-16091).

Exhibit 4.2 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 The following description sets forth certain material terms and provisions of our securities that are registered under Section 12 of the Securities Exchange Act of 1934. This description also summarizes relevant provisions of the Ohio Revised Code. The following descripti

February 19, 2020 EX-21.1

Subsidiaries of the Company

Exhibit 21.1 SUBSIDIARIES OF THE COMPANY Name Formation Jurisdiction Altona Properties Pty Ltd. (37.4% owned) Australia Auseon Limited Australia Braspenco Indústria de Compostos de Plásticos Ltda. Brazil Burton Rubber Company Delaware Butler Brothers, Inc. (49% owned) Minnesota Chromatics, Inc. Connecticut Colorant Chromatics AB Finland Colorant Chromatics AG Switzerland Colorant Chromatics Europe

February 19, 2020 EX-2.3

Share Purchase Agreement, dated December 19, 2019, by and between PolyOne Corporation and Clariant AG (incorporated by reference to Exhibit 2.3 to the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2019, SEC File No. 1-16091).

Exhibit 2.3 Share Purchase Agreement Dated December 19, 2019 by and between Clariant AG (hereinafter Seller) Rothausstrasse 61, 4132 Muttenz, Switzerland and PolyOne Corporation (hereinafter Buyer) 33587 Walker Road, Avon Lake, Ohio USA 44012 (Seller and Buyer each a Party and together the Parties) regarding the sale and purchase of all shares in Clariant Plastics & Coatings AG and such other asse

February 12, 2020 SC 13G/A

POL / PolyOne Corp. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 10)* Name of issuer: PolyOne Corp Title of Class of Securities: Common Stock CUSIP Number: 73179P106 Date of Event Which Requires Filing of this Statement: December 31, 2019 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule

February 4, 2020 EX-1.1

Underwriting Agreement, dated January 30, 2020, by and among the Company and Morgan Stanley & Co. LLC and Citigroup Global Markets Inc., acting as representatives of the several underwriters named therein.

EX-1.1 Exhibit 1.1 13,333,333 Shares POLYONE CORPORATION COMMON SHARES ($0.01 PAR VALUE) UNDERWRITING AGREEMENT January 30, 2020 January 30, 2020 Morgan Stanley & Co. LLC and Citigroup Global Markets Inc. as Representatives of the several Underwriters listed in Schedule I hereto c/o Morgan Stanley & Co. LLC, as Representative 1585 Broadway New York, New York 10036 c/o Citgroup Global Markets Inc.,

February 4, 2020 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 30, 2020 PolyOne Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.

January 31, 2020 424B5

CALCULATION OF REGISTRATION FEE Title of each Class of Securities to be Registered Amount to be Registered Proposed Maximum Offering Price Proposed Maximum Aggregate Offering Price Amount of Registration Fee (1) Common Shares, par value $.01 per shar

Form 424B5 Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No. 333-236116 CALCULATION OF REGISTRATION FEE Title of each Class of Securities to be Registered Amount to be Registered Proposed Maximum Offering Price Proposed Maximum Aggregate Offering Price Amount of Registration Fee (1) Common Shares, par value $.01 per share 15,333,333(2) $33.75 $517,499,988.75 $67,171.50 (1) Calcul

January 28, 2020 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
 Date of report (Date of earliest event reported): January 28, 2020 PolyOne Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Nu

January 28, 2020 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): January 28, 2020 PolyOne Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Num

January 28, 2020 EX-99.1

PolyOne Announces Fourth Quarter and Full Year 2019 Results

NEWS RELEASE FOR IMMEDIATE RELEASE PolyOne Announces Fourth Quarter and Full Year 2019 Results Fourth Quarter Results •GAAP EPS from continuing operations of $0.

January 28, 2020 EX-99.1

1 POLYONE CORPORATION

Exhibit 99.1 The information provided in each Item contained in this Exhibit is presented only in connection with the reporting changes described in the accompanying Current Report on Form 8-K. It does not reflect information, developments, or events occurring after February 19, 2019, the date on which we filed our Form 10-K, and does not update the disclosures therein in any way other than as req

January 28, 2020 EX-4.4

Form of Debt Securities Indenture.

EX-4.4 Exhibit 4.4 POLYONE CORPORATION INDENTURE Dated as of [ ] U.S. Bank National Association, Trustee CROSS-REFERENCE TABLE* Trust Indenture Act Section Indenture Section 310(a)(1) 7.10 (a)(2) 7.10 (a)(3) N.A. (a)(4) N.A. (a)(5) 7.10 (b) 7.10 311(a) 7.11 (b) 7.11 312(a) 2.06 (b) 11.03 (c) 11.03 313(a) 7.06 (b)(2) 7.06; 7.07 (c) 7.06; 11.02 (d) 7.06 314(a) 4.03; 4.04; 11.05 (b) N.A. (c)(l) 11.04

January 28, 2020 EX-99.2

The accompanying notes are an integral part of these interim combined financial statements.

Exhibit 99.2 The Masterbatches Business of Clariant Ltd Unaudited Interim Combined Financial Statements As of September 30, 2019 and December 31, 2018 and for the nine-month periods ended September 30, 2019 and 2018 Unaudited Interim Combined Financial Statements Combined Balance Sheets as of September 30, 2019 and December 31, 2018 2 Combined Statements of Income for the Nine-Month Periods Ended

January 28, 2020 EX-99.1

The Masterbatches Business of Clariant Ltd

Exhibit 99.1 The Masterbatches Business of Clariant Ltd Combined Financial Statements As of and for the years ended December 31, 2018 and December 31, 2017 The Masterbatches Business of Clariant Ltd Audited Annual Combined Financial Statements Independent Auditors’ Report 2 Combined Balance Sheets as of December 31, 2018 and 2017 Combined Statements of Income for the Years Ended December 31, 2018

January 28, 2020 424B5

SUBJECT TO COMPLETION, DATED JANUARY 28, 2020

Form 424B5 Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No. 333-236116 The information in this preliminary prospectus supplement is not complete and may be changed. This preliminary prospectus supplement and the accompanying prospectus are not an offer to sell these securities and are not soliciting an offer to buy these securities in any jurisdiction where the offer or sale is

January 28, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): January 28, 2020 PolyOne Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Num

January 28, 2020 EX-24.1

Power of Attorney.

EX-24.1 Exhibit 24.1 REGISTRATION STATEMENT ON FORM S-3 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that each of the undersigned directors and officers of POLYONE CORPORATION, an Ohio corporation (the “Corporation”), hereby constitutes and appoints Robert M. Patterson, Bradley C. Richardson and Lisa K. Kunkle, and each of them, as the true and lawful attorney-in-fact or attorneys-in-fact, wi

January 28, 2020 EX-25.1

Form T-1 Statement of Eligibility under Trust Indenture Act of 1939 of Trustee under Debt Securities Indenture.

EX-25.1 Exhibit 25.1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE ☐ Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) U.S. BANK NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 31-0841368 I

January 28, 2020 EX-99.3

UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION

Exhibit 99.3 UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION On December 19, 2019, PolyOne Corporation (the “Company” and, together with its subsidiaries, “PolyOne” or “we”) entered into a definitive share purchase agreement (the “Purchase Agreement”) with Clariant AG, a corporation organized and existing under the laws of Switzerland, and a definitive business transfer agreement (the

January 28, 2020 S-3ASR

POL / PolyOne Corp. S-3ASR - - S-3ASR

S-3ASR Table of Contents As filed with the Securities and Exchange Commission on January 28, 2020 Registration Statement No.

December 19, 2019 EX-99.1

PolyOne Signs Definitive Agreement to Acquire Clariant Color and Additive Masterbatch Business

NEWS RELEASE FOR IMMEDIATE RELEASE PolyOne Signs Definitive Agreement to Acquire Clariant Color and Additive Masterbatch Business CLEVELAND – December 19, 2019 – PolyOne Corporation (NYSE: POL), a leading global provider of specialized polymer materials, services and solutions, today announced that it has entered into an agreement with Clariant to purchase its global color and additive masterbatch business.

December 19, 2019 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
 Date of report (Date of earliest event reported): December 19, 2019 PolyOne Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File N

December 13, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
 Date of report (Date of earliest event reported): December 11, 2019 PolyOne Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File N

November 8, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
 Date of report (Date of earliest event reported): November 7, 2019 PolyOne Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Nu

October 28, 2019 8-K

Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 25, 2019 PolyOne Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Num

October 28, 2019 EX-99.1

UNAUDITED PRO FORMA CONDENSED COMBINED STATEMENTS OF INCOME

Exhibit 99.1 UNAUDITED PRO FORMA CONDENSED COMBINED STATEMENTS OF INCOME On August 16, 2019, PolyOne Corporation (PolyOne, the Company or we) entered into an agreement to sell its Performance Products and Solutions business segment (the “PP&S Business”) to SK Echo Group S.à r.l., a société à responsabilité limitée governed by the laws of Luxembourg (“Purchaser”). On October 25, 2019, we completed

October 22, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 22, 2019 PolyOne Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Num

October 22, 2019 EX-99.1

PolyOne Announces Third Quarter 2019 Results

NEWS RELEASE FOR IMMEDIATE RELEASE PolyOne Announces Third Quarter 2019 Results •Revenue of $705 million compared to $729 million in the prior year quarter, as growth from acquisitions and composites partially offset weak demand •GAAP EPS from continuing operations of $0.

October 22, 2019 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended September 30, 2019 OR ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to . Commission file number 1-16091 POLYON

October 22, 2019 EX-2.1

Asset Purchase Agreement, dated August 16, 2019, by and among PolyOne Corporation and SK Echo Group S.à r.l.

EX-2.1 2 pol-ex2120190930.htm EX-2.1 ASSET PURCHASE AGREEMENT BY AND BETWEEN POLYONE CORPORATION AND SK ECHO GROUP S.À R.L. August 16, 2019 TABLE OF CONTENTS Page Article I DEFINITIONS 1 Section 1.01. Certain Defined Terms 1 Section 1.02. Rules of Construction 18 Article II PURCHASE AND SALE 19 Section 2.01. Purchase and Sale of Assets 19 Section 2.02. Non-Assignable Assets 25 Section 2.03. Closin

August 19, 2019 8-K

Entry into a Material Definitive Agreement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): August 16, 2019 PolyOne Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Numb

July 25, 2019 EX-99.1

PolyOne Announces Second Quarter 2019 Results

NEWS RELEASE FOR IMMEDIATE RELEASE PolyOne Announces Second Quarter 2019 Results • Revenue of $904 million compared to $915 million in the prior year quarter, as acquisitions partially offset soft demand conditions and unfavorable foreign exchange • GAAP EPS of $0.

July 25, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 25, 2019 PolyOne Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Number

July 25, 2019 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended June 30, 2019 OR ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to . Commission file number 1-16091 POLYONE COR

July 25, 2019 EX-10.2

Third Amended and Restated Credit Agreement, dated June 28, 2019, by and among PolyOne Corporation, the subsidiaries of PolyOne Corporation party thereto, Wells Fargo Capital Finance, LLC, as administrative agent, and the various lenders and other agents party thereto (incorporated by reference to Exhibit 10.2 to the Company's Quarterly Report on Form 10-Q for the quarter ended June 30, 2019, SEC File No. 1-16091.

THIRD AMENDED AND RESTATED CREDIT AGREEMENT by and among POLYONE CORPORATION, as a US Borrower POLYONE CANADA INC.

July 2, 2019 8-K

Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): June 28, 2019 PolyOne Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Number

June 27, 2019 11-K

POL / PolyOne Corp. 11-K - - 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K (Mark One) ý ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number 1-16091 A. Full title of the plan a

May 31, 2019 EX-1.01

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

Exhibit 1.01 POLYONE CORPORATION Conflict Minerals Report For the Reporting Period from January 1, 2018 to December 31, 2018 This Conflict Minerals Report (“Report”) for PolyOne Corporation for the reporting period from January 1 through December 31, 2018 (“Reporting Period”) is filed as an exhibit to Form SD as required by Rule 13p-1 (“Rule”) under the Securities Exchange Act of 1934, as amended.

May 31, 2019 SD

POL / PolyOne Corp. SD - - SD

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.

May 17, 2019 8-K

Submission of Matters to a Vote of Security Holders

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 16, 2019 PolyOne Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission Fil

May 6, 2019 EX-24.1

Power of Attorney

EX-24.1 Exhibit 24.1 POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS, that each of the undersigned officers and directors of PolyOne Corporation, an Ohio corporation (the “Registrant”), hereby constitutes and appoints Lisa K. Kunkle, Bradley C. Richardson, and João José San Martin, or any of them, each acting alone, as the true and lawful attorney-in-fact or agent, or attorneys-in-fact or age

May 6, 2019 S-8

POL / PolyOne Corp. S-8 FORM S-8

Form S-8 As filed with the Securities and Exchange Commission on May 6, 2019 Registration No.

May 6, 2019 EX-4.5

First Amendment to the Avient Supplemental Retirement Benefit Plan (As Amended and Restated Effective January 1, 2014), dated as of March 16, 2016; Amendment No. 2 to the Avient Supplemental Retirement Benefit Plan (As Amended and Restated Effective January 1, 2014), dated as of December 19, 2018; and Amendment No. 3 to the Avient Supplemental Retirement Benefit Plan (As Amended and Restated Effective January 1, 2014), dated as of April 18, 2019 (incorporated by reference to Exhibit 4.5 to the Company's Registration Statement on Form S-8, filed on May 6, 2019, SEC File No. 333-231236)

EX-4.5 Exhibit 4.5 First Amendment to the PolyOne Supplemental Retirement Benefit Plan (as amended and restated effective January 1, 2014) WHEREAS, PolyOne Corporation (“PolyOne”) established a non-qualified retirement benefit program known as PolyOne Supplemental Retirement Benefit Plan (“Plan”) effective January 1, 2004; and WHEREAS, effective January 1, 2014, PolyOne amended and restated the Pl

April 19, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 18, 2019 PolyOne Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.

April 17, 2019 EX-99.1

PolyOne Announces First Quarter 2019 Results

NEWS RELEASE FOR IMMEDIATE RELEASE PolyOne Announces First Quarter 2019 Results CLEVELAND - April 17, 2019 - PolyOne Corporation (NYSE: POL) today reported its first quarter results for 2019.

April 17, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 17, 2019 PolyOne Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission File Numbe

April 17, 2019 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ý Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended March 31, 2019 ¨ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to . Commission file number 1-16091 POLYONE CORPORATION (Exa

March 28, 2019 DEF 14A

POL / PolyOne Corp. DEF 14A

DEF 14A 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 Registrant ☑ 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)) ☑ Definitive Proxy Statement ☐ Definitive Additional Materials ☐ Soliciting Material Under §240.

March 7, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): March 6, 2019 PolyOne Corporation (Exact Name of Registrant as Specified in Its Charter) Ohio 1-16091 34-1730488 (State or Other Jurisdiction of Incorporation) (Commission Fi

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