PolyOne’s stock performance has significantly outpaced the S&P 500 index and the S&P Mid Cap 400 Chemicals index. 12.31.09 6.30.10 12.31.10 6.30.11 12.31.11 6.30.12 12.31.12 6.30.13 12.31.13 2007 2008 2009 2010 2011 2012 2013 SPECIALTY PLATFORM OPERATING INCOME % OF TOTAL*^ 1.50 1.20 .90 .60 .30 2007 2008 2009 2010 2011 2012 2013 ADJUSTED EARNINGS PER SHARE*† * 2010–2013 Specialty Operating Income is restated for the divestiture of the Resin Business ^Operating Income excludes Corporate Charges * 2010–2013 adjusted EPS is restated for the divestiture of the Resin Business † EPS excluding special items and equity income from SunBelt 2007 2008 2009 2010 2011 2012 2013 * 2010–2013 adjusted return on sales is restated for the divestiture of the Resin Business ° Operating Income as a percentage of sales, excluding special items and equity income from SunBelt ADJUSTED RETURN ON SALES*º 8 6 4 2 P 80 60 40 20 P Operating Income % Specialty PP&S Distribution Specialty Platform Operating Income % of Total ROIC** (after-tax) 2006 1.5% 5.5% 2.6% 6.0% 5.0% 9.4% 7.2% 5.9% 62.0% 9.1% 2015 TARGET 12%–16% 9%–12% 6%–7.5% 65%–75% 15% **ROIC is defined as adjusted OI divided by the sum of average debt and equity over a 5 quarter period 200 160 120 80 40 2007 2008 2009 2010 2011 2012 2013 SPECIALTY PLATFORM OPERATING INCOME* * 2010–2013 Operating Income is restated for the divestiture of the Resin Business 400 300 200 100 P POLYONE STOCK (POL) PERFORMANCE VERSUS S&P POL S&P MID CAP 400 CHEMICALS S&P 500 United States Securities and Exchange Commission Washington, DC 20549 FORM 10-K Í ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2013 ‘ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Our filings are available to the public at the SEC’s website at http://www.sec.gov. The fair values of pension plan assets at December 31, 2013 and 2012, by asset category, are as follows: Fair Value of Plan Assets at Fair Value of Plan Assets at Quoted Prices in Active Markets Observable (Level 3) Total Quoted Prices in Active Markets Observable (Level 3) Total Asset category Cash $ 6.6 $ — $ — $ 6.6 $ 3.4 $ — $ — $ 3.4 Common collective trusts — 14.8 — 14.8 — 44.9 — 44.9 Large-cap equity 28.4 30.0 — 58.4 43.2 51.1 — 94.3 Mid-cap equity — — — — 42.3 — — 42.3 Small-cap equity 22.0 — — 22.0 39.8 — — 39.8 International equity 59.6 — — 59.6 80.6 — — 80.6 Fixed-income funds 275.5 — — 275.5 39.3 — — 39.3 Multi-asset mutual fund — — — — 32.6 — — 32.6 Floating rate income funds 35.3 — — 35.3 33.2 — — 33.2 Totals $ 427.4 $ 44.8 $ — $ 472.2 $ 314.4 $ 96.0 $ — $ 410.4 POLYONE CORPORATION 65 Large cap equity funds invest primarily in U.S. publicly-traded equity securities of companies with a market capitalization typically in excess of $10 billion with a focus on growth or value.

Country/Region Scope 2, location- based Scope 2, market- based Purchased and consumed electricity, heat, Purchased and consumed low-carbon electricity, heat, steam or Avient CDP Climate Change Questionnaire 2021 Tuesday, August 3, 2021 65 (metric tons CO2e) (metric tons CO2e) steam or cooling (MWh) cooling accounted for in Scope 2 market-based approach (MWh) Belgium 1,348 1,195 6,704 335 Brazil 444 444 4,448 0 Canada 334 334 2,530 0 China 21,484 21,484 34,853 0 Czechia 185 36 373 312 Finland 131 346 1,117 0 France 658 516 11,948 0 Germany 8,802 9,812 21,936 5,834 Hungary 644 725 2,537 0 India 5,362 5,362 7,135 0 Italy 6,204 1,063 20,146 17,864 Luxembourg 35 100 222 0 Mexico 1,711 1,711 3,750 0 Netherlands 250 332 598 0 Peru 36 36 182 0 Poland 2,499 2,857 3,523 0 Saudi Arabia 8,214 8,214 15,865 0 Singapore 1,161 1,161 2,984 0 Spain 6,992 9,236 26,952 0 Thailand 4,369 4,369 9,016 0 United Kingdom of Great Britain and Northern Ireland 350 531 1,527 0 United States of America 51,565 5,458 121,433 100,004 Turkey 3,317 3,317 7,119 0 Guatemala 252 252 660 0 Pakistan 1,218 1,218 3,101 0 Argentina 289 212 897 240 South Africa 830 830 927 0 Indonesia 1,111 1,111 1,451 0 Chile 46 46 114 0 Sweden 25 0 1,883 1,883 New Zealand 225 225 2,073 0 Avient CDP Climate Change Questionnaire 2021 Tuesday, August 3, 2021 66 Viet Nam 338 338 743 0 Colombia 375 375 2,338 0 Ireland 350 524 1,057 0 Malaysia 461 461 697 0 Taiwan, Greater China 3,348 3,348 5,991 0 C7.6 (C7.6) Indicate which gross global Scope 2 emissions breakdowns you are able to provide.

Für Hinweise gemäß der Allgemeinen Datenschutzgrundverordnung (Regulation (EU) http://www.avient.com/ 19 2016/679) sollte der Käufer die Website des Verkäufers unter www.avient.com einsehen. 26.

Avient CDP Climate Change Questionnaire 2022 Friday, July 29, 2022 65 Upstream transportation and distribution Evaluation status Not relevant, explanation provided Please explain This Scope 3 category does not meet any of the criteria (size, influence, risk, stakeholders, outsourcing, etc.) deemed as relevant under the WRI / WBCSD "Corporate Value Chain (Scope 3) Accounting & Reporting Standard" criteria of "sector guidance" as defined in Table 6.1 based on Avient's review of operations.

Suzhou, China 65. The fair value of derivative financial instruments recognized in the Condensed Consolidated Balance Sheets as of December 31, 2021 and 2020 is as follows: (In millions) Balance Sheet Location 2021 2020 Assets Cross Currency Swaps (Net Investment Hedge) Other non-current assets $ 31.7 $ — Liabilities Cross Currency Swaps (Net Investment Hedge) Other non-current liabilities $ — $ 41.1 Interest Rate Swap (Fair Value Hedge) Other current liabilities $ 3.1 $ — Interest Rate Swap (Fair Value Hedge) Other non-current liabilities $ — $ 7.3 65 AVIENT CORPORATION ITEM 9.

Richardson – 65%; and Messrs. The SARs are also subject generally to time-based vesting in one-third 65 (13) Represents stock-settled SARs granted on February 10, 2016 that vest in increments upon the attainment of stock price hurdles (based on PolyOne’s closing stock price and sustained for thirty consecutive trading days) forff our common shares as follows: one-third at $27.48; one-third at $28.73; and one-third at $29.98.

The reports, proxy statements and other information we file are available to the public at the SEC’s website at http://www.sec.gov. LLC, as joint-lead arrangers and joint-book managers, Jefferies Finance LLC, KeyBanc Capital Markets Inc. and SunTrust Robinson Humphrey, Inc., as co-managers, and several other commercial lending institutions that are parties thereto (incorporated by reference to Exhibit 10.6 to the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2015, SEC File No. 1-16091) 10.3 Amendment Agreement No. 1 to the Credit Agreement, dated as of June 15, 2016, among the Company, certain subsidiaries of the Company, Citibank, N.A., as administrative agent, and the additional lender 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. 2016, SEC File No. 16091) 10.4 Amendment Agreement No. 2, dated August 3, 2016, by and among PolyOne Corporation, the subsidiaries of PolyOne Corporation party thereto, Citibank, N.A, as administrative agent, and the lenders party thereto (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on August 5, 2016, SEC File No. 10.5 Amendment Agreement No. 3, dated January 24, 2017, by and among PolyOne Corporation, the subsidiaries of PolyOne Corporation party thereto, Citibank, N.A., as administrative agent, and the lenders party thereto (incorporated by reference to Exhibit 10.1 to the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2017, SEC File No. 1-16091) 10.6 Amendment Agreement No. 4, dated August 15, 2017, by and among PolyOne Corporation, the subsidiaries of PolyOne Corporation party thereto, Citibank, N.A., as administrative agent, and the lenders party thereto (incorporated by reference to Exhibit 10.1 to the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2017, SEC File No. 1-16091) 10.7 Amendment Agreement No. 5, dated April 11, 2018, by and among PolyOne Corporation, the subsidiaries of PolyOne Corporation party thereto, Citibank, N.A., as administrative agent, and the lenders party thereto (incorporated by reference to Exhibit 10.1 to the Company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2018, SEC File No. 1-16091) 10.8 Amendment Agreement No. 6, dated November  9, 2018, by and among PolyOne Corporation, the subsidiaries of PolyOne Corporation party thereto, Citibank, N.A, as administrative agent, and the lenders party thereto (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on November 13, 2018, SEC File No. 10.9+ Form of 2011 Award Agreement under the 2010 Equity and Performance Incentive Plan (incorporated by reference to Exhibit 10.1 to the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2011, SEC File No. 10.10+ Amended and Restated PolyOne Corporation 2010 Equity and Performance Incentive Plan (incorporated by reference to Appendix B to the Company’s definitive proxy statement on Schedule 14A filed on April 3, 2015, SEC File No. 10.11+ Amended and Restated PolyOne Senior Executive Annual Incentive Plan (incorporated by reference to Appendix C to the Company’s definitive proxy statement on Schedule 14A filed on April 3, 2015, SEC File No. 1-16091) 10.12+ PolyOne 2017 Equity and Incentive Compensation Plan (incorporated by reference to Appendix B to the Company's definitive proxy statement on Schedule 14A filed on March 31, 2017, SEC File No. 1-16091) 10.13+ Form of Grant of Stock-Settled Stock Appreciation Rights under the 2010 Long-Term Incentive Plan (incorporated by reference to Exhibit 10.2 to the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2010, SEC File No. 1-16091) 10.14+ Amended and Restated Deferred Compensation Plan for Non-Employee Directors (as amended and restated effective May 20, 2014) (incorporated by reference to Exhibit 10.7 of the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2014, SEC File No. 1-16091) 10.15+ Form of Management Continuity Agreement for Executive Officers prior to 2011 (incorporated by reference to Exhibit 10.13 to the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2007, SEC File No. 1-16091) POLYONE CORPORATION 65 Exhibit No.

Our filings are available to the public at the SEC’s website at http://www.sec.gov.