Attending and Voting at the Annual Meeting Company Operating Performance Our Company Culture Impact of Our Performance on Named Executive Officer 2018 Compensation Annual Incentive Plan 2018 Annual Incentive Program Payouts Named Executive Officer 2018 Target Opportunity ($) Payout (%) Payout ($) Long-Term Incentive Program 2016 – 2018 Cash-Settled Performance Units Performance Measure: Adjusted EPS Performance Periods Weighting Target Result Payout % Our Director Nominees and Committee Membership Name Age Director Since Principal Position Notable Skills and Experiences Independent Committee Membership* (M=Member, C=Chair) AC CC N&GC EH&SC Name Age Director Since Principal Position Notable Skills and Experiences Independent Committee Membership* (M=Member, C=Chair) AC CC N&GC EH&SC Average Tenure Average Age Gender Diversity 5.25 59 30% Governance Highlights Director Independence Independent Lead Director Board Oversight of Risk Management Stock Ownership Requirements Board Practices PROXY STATEMENT POLYONE CORPORATION PolyOne Center 33587 Walker Road Avon Lake, Ohio 44012 PROXY STATEMENT Dated March 28, 2019 PROPOSAL 1 — ELECTION OF BOARD OF DIRECTORS Our Board recommends a vote FOR all the nominees listed below. Wulfsohn Qualifications, Attributes, Skills and Experience: ADVISORY VOTE PROPOSAL 2 — ADVISORY VOTE TO APPROVE NAMED EXECUTIVE OFFICER COMPENSATION Objective How Our Executive Compensation Program Achieves this Objective Our Board recommends a vote FOR Proposal 2 to approve, on an advisory basis, our Named Executive Officer compensation. Factor Median Peer Group Comparator 2017 Financials* 2018 PolyOne Results PolyOne Peer Group for 2018 Compensation Decisions Review of 2018 Named Executive Officer Compensation What We Pay and Why: Elements of Compensation 2018 Base Salary 2018 Annual Incentive.

Our Named Executive Officers for 2022 are: Name Title Robert M. Name Number of Deferred Shares(1) R.E. Our Named Executive Officers for 2022 are: Name Title Robert M.

Our Named Executive Officers for 2016 were: Name Title Robert M. Employment Agreement with Named Executive Offiff cer. For all Named Executive Offiff cers except Messrs.

Name of Corporation Charter Number The articles are hereby amended by the Incorporators. If authorized representative is an individual, then they must sign in the "signature" box and print their name in the "Print Name" box. If authorized representative is a business entity, not an individual, then please print the business name in the "signature" box, an authorized representative of the business entity must sign in the "By" box and print their name in the "Print Name" box.

Orangeville Compound (Update 1) Report Preview National Pollutant Release Inventory (NPRI) and Partners Home Submission Management Help My Profile:Brian Greer Logout Ec.gc.ca Report Preview Report Details Company and Facility Details Permits Contacts Details Report Year 2016 Report Type: NPRI Report Status: Update 1 ­ Submitted Modified Date/Time: 13/03/2018 2:04 PM Report Update Comments: As per email from NPRI QC team Feb 13, 2018 Company Name: Polyone Canada Inc. lang=En&n=FD9B0E51-1 https://ec.ss.ec.gc.ca/auth/en/Services General Information Substance List CAS RN Substance Name Releases Releases (Speciated VOCs) Disposals Recycling Unit NA ­ 01 Antimony (and its compounds) 0.0004 N/A N/A N/A tonnes NA ­ 02 Arsenic (and its compounds) 0.0007 N/A N/A N/A kg 103­23­1 Bis(2­ethylhexyl) adipate 0.0106 N/A N/A N/A tonnes 117­81­7 Bis(2­ethylhexyl) phthalate 0.0283 N/A N/A N/A tonnes 85­68­7 Butyl benzyl phthalate 0.0008 N/A N/A N/A tonnes NA ­ 14 Zinc (and its compounds) 0.0000 N/A N/A 0.0002 tonnes Applicable Programs CAS RN Substance Name NPRI ON MOE TRA ON MOE Reg 127/01 First report for  this substance to  the ON MOE TRA NA ­ 01 Antimony (and its compounds) Yes NA ­ 02 Arsenic (and its compounds) Yes 103­23­1 Bis(2­ethylhexyl) adipate Yes 117­81­7 Bis(2­ethylhexyl) phthalate Yes 85­68­7 Butyl benzyl phthalate Yes NA ­ 14 Zinc (and its compounds) Yes Position: EHS Manager Telephone: 5192150535 Email: brian.greer@polyone.com Contact Type Certifying Official Name: Najat Kamal Position: EHSQ specialist Telephone: 5148089920 Email: najat.kamal@polyone.com Number of employees: 45 Activities for Which the 20,000­Hour Employee Threshold Does Not Apply: None of the above Activities Relevant to Reporting Dioxins, Furans and Hexacholorobenzene: None of the above Activities Relevant to Reporting of Polycyclic Aromatic Hydrocarbons (PAHs): Wood preservation using creosote: No Is this the first time the facility is reporting to the NPRI (under current or past ownership): Is the facility controlled by another Canadian company or companies: Did the facility report under other environmental regulations or permits: Is the facility required to report one or more NPRI Part 4 substances (Criteria Air Contaminants): Was the facility shut down for more than one week during the year: Operating Schedule ­ Days of the Week: Mon, Tue, Wed, Thu, Fri Usual Number of Operating Hours per day: 24 Usual Daily Start Time (24h) (hh:mm): 00:00 General Information about the Substance ­ Releases and Transfers of the Substance CAS RN Substance Name Was the substance released on­site The substance will be reported as the sum of releases to all media (total of 1 tonne or less) 1 tonne or more of a Part 5 Substance (Speciated VOC) was released to air Antimony (and its compounds) NA ­ 02 Arsenic (and its 103­23­1 Bis(2­ethylhexyl) adipate 117­81­7 Bis(2­ethylhexyl) 85­68­7 Butyl benzyl NA ­ 14 Zinc (and its General Information about the Substance ­ Disposals and Off­site Transfers for Recycling CAS RN Substance Name Was the substance disposed of (on­site or off­ site), or transferred for treatment prior to final disposal Is the facility required to report on disposals of tailings and waste rock for the selected reporting period Was the substance transferred off­site for recycling Antimony (and its NA ­ 02 Arsenic (and its 103­23­1 Bis(2­ ethylhexyl) adipate 117­81­7 Bis(2­ ethylhexyl) 85­68­7 Butyl benzyl NA ­ 14 Zinc (and its General Information about the Substance ­ Nature of Activities CAS RN Substance Name Manufacture the Substance Process the Substance Otherwise Use of the Substance NA ­ 01 Antimony (and its compounds) For on­site use/processing As a reactant As a by­product NA ­ 02 Arsenic (and its compounds) For on­site use/processing As a reactant As a by­product 103­23­1 Bis(2­ethylhexyl) adipate For on­site use/processing As a reactant As a by­product 117­81­7 Bis(2­ethylhexyl) phthalate For on­site use/processing As a reactant As a by­product 85­68­7 Butyl benzyl phthalate For on­site use/processing As a reactant As a by­product NA ­ 14 Zinc (and its compounds) For on­site use/processing As a reactant As a by­product On­site Releases ­ Releases to air NA ­ 02 Arsenic (and its compounds) Stack or Point Releases O ­ Engineering Estimates 0.0000 kg NA ­ 14 Zinc (and its compounds) Stack or Point Releases O ­ Engineering Estimates 0.0000 tonnes On­site Releases ­ Releases to air ­ Total CAS RN Substance Name Total ­ Releases to Air NA ­ 02 Arsenic (and its compounds) 0.0000 kg NA ­ 14 Zinc (and its compounds) 0.0000 tonnes On­site Releases ­ Releases to land NA ­ 02 Arsenic (and its compounds) Other O ­ Engineering Estimates 0.0007 kg Onsite Releases ­ Nature of Other Land Release CAS RN Substance Name Nature of Other Land Release NA ­ 02 Arsenic (and its compounds) Landfill disposal CAS RN Substance Name Nature of Other Land Release On­site Releases ­ Releases to land ­ Total CAS RN Substance Name Total ­ Releases to Land NA ­ 02 Arsenic (and its compounds) 0.0007 kg Total Quantity Released (All Media) NA ­ 01 Antimony (and its compounds) Total Quantity Released O ­ Engineering Estimates 0.0004 tonnes 103­23­1 Bis(2­ethylhexyl) adipate Total Quantity Released O ­ Engineering Estimates 0.0106 tonnes 117­81­7 Bis(2­ethylhexyl) phthalate Total Quantity Released O ­ Engineering Estimates 0.0283 tonnes 85­68­7 Butyl benzyl phthalate Total Quantity Released O ­ Engineering Estimates 0.0008 tonnes On­site Releases ­ Total CAS RN Substance Name Total releases NA ­ 02 Arsenic (and its compounds) 0.0007 kg NA ­ 14 Zinc (and its compounds) 0.0000 tonnes On­site Releases ­ Quarterly Breakdown of Annual Releases CAS RN Substance Name Quarter 1 Quarter 2 Quarter 3 Quarter 4 NA ­ 01 Antimony (and its compounds) 25 25 25 25 NA ­ 02 Arsenic (and its compounds) 25 25 25 25 103­23­1 Bis(2­ethylhexyl) adipate 25 25 25 25 117­81­7 Bis(2­ethylhexyl) phthalate 25 25 25 25 85­68­7 Butyl benzyl phthalate 25 25 25 25 On­site Releases ­ Reasons for Changes in Quantities Released from Previous Year CAS RN Substance Name Reasons for Changes in Quantities from Previous Year Comments NA ­ 01 Antimony (and its compounds) No significant change (i.e.  Company Name Polyone Canada Inc.

At no time shall Buyer serve as an agent of PolyOne, and Buyer has no authorization to enter into any contract or commitment in the name of or on the behalf of PolyOne nor to incur any expense to or on behalf of PolyOne’s account. Buyer shall only use PolyOne’s trademarks, trade names, logos, service marks, trade dress or brand names (“Trademarks”) in connection with the solicitation and sales of Products and in such manner as is specified in advance in writing by PolyOne. Buyer will not use any trademark or trade names or trade dress which resemble PolyOne’s Trademarks or which would be likely to confuse or mislead any member of the public.

name change effective from 02/08/2021) :Company Name 199006136ZUEN : This is to confirm that the company was incorporated under the Companies Act, on and from 14/12/1990 and that the company is a PRIVATE COMPANY LIMITED BY SHARES. The company was formerly known as: S/N Company Name Effective From 1. POLYONE SINGAPORE PTE LTD 12/04/2001 (Note: Only the five (5) most recent former names are listed.

+358 (0)29 509 5000 registry@prh.fi Page: 1 (2) Business ID: 2046676-4 Date and time of creating the document: 01.12.2020 08:37:55 TRANSLATION OF THE EXTRACT FROM THE TRADE REGISTER, ELECTRONIC 01.12.2020 08:37:54 the details in the register Identifiers Name Avient Finland Oy Business ID 2046676-4 Entered in the register 31.03.2007 Company type Limited company Contact details: Postal address Äyritie 8 E 01510 Vantaa Street address Äyritie 8 E 01510 Vantaa Email tina.ahlquist@clariant.com Telephone 0106808500 Fax 0106808509 Name details Name Avient Finland Oy Auxiliary company name Drycolor Registered office Vantaa Share capital Share capital 169.000,00 € Number of shares 1 000 pcs Nominal value of a share 169,00 € Financial period Financial period 01.01 - 31.12 Financial statements The last financial statements submitted 01.01.2019 - 31.12.2019 Representation Page: 2 (2) Business ID: 2046676-4 Statutory representation: Under the law, the Board of Directors represents the company. Representation based on position: By the Chair of the Board and the Managing Director, each on their own, and by any two Board members jointly Persons role surname, first name(s) / company name date of birth / identity code citizenship Chair of the Board of Merklein, Norbert 03.05.1964 Citizen of Germany Norén, Jenny Eva Kristina 18.06.1975 Citizen of Sweden Smeds, Jan-Håkan 22.03.1961 Citizen of Finland Vetter, Alexander Helmut 04.07.1968 Citizen of Germany Managing Director Norén, Jenny Eva Kristina 18.06.1975 Citizen of Sweden Auditor PricewaterhouseCoopers Oy 0486406-8 Auditor with principal responsibility Grönroos, Maria Alice 19.02.1967 Citizen of Finland Additional information No details about beneficial owners have been registered for the company Name history Avient Finland Oy 01.12.2020 - Clariant Plastics & Coatings (Finland) Oy 04.01.2016 - 01.12.2020 Clariant Masterbatches (Finland) Oy 31.03.2007 - 04.01.2016 Source of information: Finnish Patent and Registration Office

The Board named Mr. Our Named Executive Officers for 2015 were: Name Title Robert M. PolyOne also makes available executive physicals to all Named Executive Officers (used by each Named Executive Officer except Ms.

PROXY SUMMARY VOTING AND MEETING INFORMATION Attendance and Participation Who is Eligible to Vote Shareholders of Record f fBeneficial Owners of Shares Held in Street Name Advance Voting Methods www.proxyvote.com OVER THE INTERNET BY TELEPHONE BY MAIL Each shareholder’s vote is important. Impact of Our Performance on Named Executive Officer 2019 Compensation 2019 Annual Incentive Program Name Title 2019 Annual Incentive Program Payouts Named Executive Officer 2019 Target Opportunity ($) Payout (%) Payout ($) g 2019 Long-Term Incentive Program 2017 – 2019 Cash-Settled Performance Units Performance Measure: Adjusted EPS Performance Periods Weighting Target Result Payout % Our Director Nominees and Committee Membership Name Age Director Since Principal Position Notable Skills and Experiences Independent Committee Membership (M=Member, C=Chair) AC CC G&CRC* EH&SC Average Tenure Average Age Gender Diversity 6 60 30% Name Age Director Since Principal Position Notable Skills and Experiences Independent Committee Membership (M=Member, C=Chair) AC CC G&CRC* EH&SC Governance Highlights Director Independence Independent Lead Director Board Oversight of Risk Management Stock Ownership Requirements Board Practices PROXY STATEMENT POLYONE CORPORATION PolyOne Center 33587 Walker Road Avon Lake, Ohio 44012 PROXY STATEMENT Dated March 30, 2020 PROPOSAL 1 — ELECTION OF BOARD OF DIRECTORS Our Board recommends a vote FOR all the nominees listed below. Wulfsohn Qualifications, Attributes, Skills and Experience: ADVISORY VOTE PROPOSAL 2 — ADVISORY VOTE TO APPROVE NAMED EXECUTIVE OFFICER COMPENSATION Objective How Our Executive Compensation Program Achieves this Objective Our Board recommends a vote FOR this Proposal to approve, on an advisory basis, our Named Executive Officer compensation.