The following table summarizes our liquidity as of December 31, 2015: (In millions) Cash and cash equivalents $279.8 Revolving credit availability 341.9 Liquidity $621.7 As of December 31, 2015, 70% of the Company’s cash and cash equivalents resided outside the United States. Based on the current funded status of the plan, our pension asset investment allocation guidelines are to invest 60% to 70% in fixed income securities, 30% to 40% in equity securities and 0% to 10% in alternative investments and cash. In response, Franklin-Burlington and approximately 70 other companies (collectively, the Cooperating Parties) agreed, pursuant to an Administrative Order of Consent with the USEPA, to assume responsibility for development of a RIFS of the lower Passaic River.

Newlin Chairman, President and Chief Executive Officer March 11, 2013 25+38+38 +73+74+95 19+15+9 +56+72+85 Operating Income % Specialty PP&S Distribution Specialty Platform Operating Income % of Total ROIC** (after-tax) 2007 3.2% 6.1% 3.0% 20% 7% 2012 9.1% 9.0% 6.4% 45% 11% 2015 TARGET 12%–16% 9%–12% 6%–7.5% 65%–75% 15% 2012 2011 2010 2009 2008 2007 0 20 40 60 80 100 120 $ mIllIOnS SPECIAlTY PlATFORm OPERATInG InCOmE 40+68+70 +86+84+90201220112010 2009 2008 2007 0 10 20 30 40 50 60 % PERCEnTAGE SPECIAlTY PlATFORm OPERATInG InCOmE % OF TOTAl* 41+33+35 +70+79+93201220112010 2009 2008 2007 0 1 2 3 4 5 6 7 8 % PERCEnTAGE ADJUSTED RETURn On SAlES^ POlYOnE STOCK (POl) PERFORmAnCE VERSUS S&P 2012 2011 2010 2009 2008 2007 0 .20 .40 .60 .80 1.00 1.20 1.40 $ DOll ARS ADJUSTED EARnInGS PER SHARE† 0 .2 .4 .6 .8 1 1.2 *Operating income excludes corporate operating income SAFETY InJURY InCIDEnCE RATE˚ 2012 2011 2010 2009 2008 2007 12.31.09 6.30.10 12.31.10 6.30.11 12.31.11 6.30.12 12.31.12 DATE 200 150 100 50 0 % P E R C E n TA G E POl S&P 600 CHEmICAlS S&P 500 InJURY InCIDEnCE R ATE 91+91+71 +54+47+45 ˚Number of injuries per 100 full time associates^Operating income excludes special items and equity income from SunBelt **ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period †EPS excluding special items and equity income from SunBelt POL 173% S&P 600 Chemicals 34% S&P 500 28% 5 ANNUAL REPORT 2012 Proof of Performance Our values, strategy, commitment and execution are clearly evident in our recent financial and operational performance. Unrecognized compensation cost for RSUs at December 31, 2012 was $7.1 million, which is expected to be recognized over the weighted average remaining vesting period of 15 months. 70 POLYONE CORPORATION Stock Options Our incentive stock plans previously provided for the award or grant of options to purchase our common shares.

We employ approximately 6,300 people and have 70 manufacturing sites and eight distribution facilities in North America, South America, Europe, Asia and Africa. PROPERTIES Headquartered in Avon Lake, Ohio we operate globally with principal locations consisting of 70 manufacturing sites and eight distribution facilities in North America, South America, Europe, Asia and Africa. In response, Franklin-Burlington and approximately 70 other companies (collectively, the Cooperating Parties) agreed, pursuant to an Administrative Order on Consent (AOC) with the USEPA, to assume responsibility for development of a Remedial Investigation and Feasibility Study (RIFS) of the lower Passaic River Study Area.

Intensity figure 0.212534411 Metric numerator (Gross global combined Scope 1 and 2 emissions, metric tons CO2e) 104,134 Metric denominator Avient CDP Climate Change Questionnaire 2022 Friday, July 29, 2022 70 unit of production Metric denominator: Unit total 489,962 Scope 2 figure used Market-based % change from previous year 7.8 Direction of change Decreased Reason for change Our production decreased by 10% while our overall scope 1+2 emissions increased by 3%, leading to a 7.8% decrease of the intensity overall. Avient continues to partner with EcoVadis to evaluate our prioritized suppliers. 70% of these suppliers reported a Silver rating or above in their overall scorecard evaluation.

Lorraine Age: 70 Director Since: 2008 Retired Senior Vice President and Chief Financial Officer of Eastman Chemical Company, a specialty chemicals company. Powell Age: 70 Director Since: 2008 Retired Chairman and Chief Executive Officer of National Starch and Chemical Company, a specialty chemicals company.

Based on the current funded status of the plan, our pension asset investment allocation guidelines are to invest 70% to 80% in fixed income securities, 20% to 30% in equity securities and 0% to 10% in alternative investments and cash. In response, Franklin-Burlington and approximately 70 other companies (collectively, the Cooperating Parties) agreed, pursuant to an Administrative Order of Consent with the USEPA, to assume responsibility for development of a RIFS of the Lower Passaic River. As of December 31, 2013 and 2012, we had accrued $3.0 million and $2.3 million for interest and penalties, respectively. 70 POLYONE CORPORATION Although the timing and outcome of tax settlements are uncertain, it is reasonably possible that during the next 12 months a reduction in unrecognized tax benefits may occur up to $3.8 million based on the outcome of tax examinations and as a result of the expiration of various statues of limitations.

Based on the current funded status of the plan, our pension asset investment allocation guidelines are to invest 60% to 70% in fixed income securities, 30% to 40% in equity securities and 0% to 10% in alternative investments and cash. In response, Franklin-Burlington and approximately 70 other companies (collectively, the Cooperating Parties) agreed, pursuant to an Administrative Order of Consent with the USEPA, to assume responsibility for development of a RIFS of the lower Passaic River. The expected volatility was determined based on the average weekly volatility for our common shares for the contractual life of the 70 POLYONE CORPORATION awards.

NOTICE OF 2017 ANNUAL MEETING OF SHAREHOLDERS AND PROXY STATEMENT PolyOne Corporation TABLE OF CONTENTS MESSAGE FROM OUR CEO............................................................................................................................................................................................i NOTICE OF 2017 ANNUAL MEETING OF SHAREHOLDERS..........................................................................................................................ii PROXY SUMMARY............................................................................................................................................................................................................1 PROXY STATEMENT.......................................................................................................................................................................................................5 PROPOSAL 1 — ELECTION OF BOARD OF DIRECTORS .................................................................................................................................6 PROPOSAL 2 — ADVISORY VOTE TO APPROVE NAMED EXECUTIVE OFFICER COMPENSATION.........................................11 PROPOSAL 3 — ADVISORY VOTE TO APPROVE THE FREQUENCY OF FUTURE ADVISORY VOTES TO APPROVE NAMED EXECUTIVE OFFICER COMPENSATION.....................................................................................................12 PROPOSAL 4 — APPROVAL OF THE POLYONE CORPORATION 2017 EQUITY AND INCENTIVE COMPENSATION PLAN.............................................................................................................................................................................13 PROPOSAL 5 — RATIFICATION OF APPOINTMENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM..................................................................................................................................................................................................................30 CORPORATE GOVERNANCE.....................................................................................................................................................................................33 2016 NON-EMPLOYEE DIRECTOR COMPENSATION....................................................................................................................................39 OWNERSHIP OF POLYONE SHARES.....................................................................................................................................................................41 COMPENSATION DISCUSSION AND ANALYSIS...............................................................................................................................................43 Executive Summary....................................................................................................................................................................................43 Executive Compensation Philosophy and Objectives..................................................................................................................47 What We Pay and Why: Elements of Compensation ..................................................................................................................49 Other Aspects of Our Compensation Programs.............................................................................................................................55 EXECUTIVE COMPENSATION..................................................................................................................................................................................59 2016 Summary Compensation Table .................................................................................................................................................59 2016 Grants of Plan-Based Awards.....................................................................................................................................................62 Outstanding Equity Awards at 2016 Fiscal Year-End.................................................................................................................64 2016 Option Exercises and Stock Vested..........................................................................................................................................67 2016 Pension Benefits...............................................................................................................................................................................67 2016 Nonqualified Deferred Compensation ...................................................................................................................................68 Potential Payments Upon Termination or Change of Control.................................................................................................70 Compensation Committee Interlocks.................................................................................................................................................74 Policy on Related Person Transactions.............................................................................................................................................74 Risk Assessment of the Compensation Programs.........................................................................................................................74 Compensation Committee Report........................................................................................................................................................75 MISCELLANEOUS PROVISIONS...............................................................................................................................................................................76 APPENDIX A...................................................................................................................................................................................................................A-1 APPENDIX B...................................................................................................................................................................................................................B-1 MESSAGE FROM OUR CEO March 31, 2017 Dear Fellow Shareholder: You are cordially invited to attend the PolyOne Corporation Annual Meeting of Shareholders (the “Annual Meeting”), which will be held at 9:00 a.m. on Thursday, May 11, 2017, at PolyOne Corporation’s corporate headquarters located at PolyOne Center, 33587 Walker Road, Avon Lake, Ohio 44012. Measure 2015 2016 Change Revenue $3,378 $3,340 -1% Workingg Capital as a Percentagge of Sales 9.7% 10.4% -70 bps Stock Price Per Share(1) $31.76 $32.04 1% Earnings Per Share $1.63 $1.95 20% Adjusted Earnings Per Share(2) $1.96 $2.13 9% Operating Income $250.9 $281.9 12% Adjusted Operating Income(2) $322 $317 -2% (1) Represents our closing stock price on the last trading day of the applicable fiscal year In 2011, the Compensation Committee eliminated the tax gross-up benefitff for so called “excess parachute payments” under Code Section 280G from the Continuity Agreements provided to 70 EXECUTIVE COMPENSATION Named Executives Offiff cers who were hired in or who had Continuity Agreements amended in 2011 and thereafter.

Based on the current funded status of the plan, our pension asset investment allocation guidelines are to invest 70% to 80% in fixed income securities and 20% to 30% in equity securities. In response, Franklin-Burlington and approximately 70 other companies (collectively, the Cooperating Parties) agreed, pursuant to an Administrative Order on Consent (AOC) with the USEPA, to assume responsibility for development of a RIFS of the lower Passaic River Study Area.

Heating value MWh from renewable sources MWh from non- renewable sources Total (renewable and non- renewable) MWh Consumption of fuel (excluding feedstock) HHV (higher heating value) 0 99,323 99,323 Avient CDP Climate Change Questionnaire 2021 Tuesday, August 3, 2021 70 Consumption of purchased or acquired electricity 126,472 202,357 328,829 Consumption of self- generated non-fuel renewable energy 2,904 2,904 Total energy consumption 129,375 301,681 431,056 C-CH8.2a (C-CH8.2a) Report your organization’s energy consumption totals (excluding feedstocks) for chemical production activities in MWh.