CLEVELAND – Builders and homeowners know that faded colors on fencing, decks and windows can spoil curb appeal and decrease property values. Caption: Decking and railings from Geon™ Bold vinyl capstock display rich, dark color that stands up to the elements. Jul 10, 2025

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They are based on management’s expectations that involve a number of business risks and uncertainties, any of which could cause actual results to differ materially from those expressed in or implied by the forward-looking statements. You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. Tax adjustments include the net tax expense/benefit from one-time income tax items, the set-up or reversal of uncertain tax position reserves and deferred income tax valuation allowance adjustments.

They are based on management’s expectations that involve a number of business risks and uncertainties, any of which could cause actual results to differ materially from those expressed in or implied by the forward-looking statements. You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. S&P 500 PolyOne Corporation Page 9 2006 YTD 2015 2020 “Where we were” “Where we are” Platinum Vision 1) Operating Income % Specialty: Global Color, Additives & Inks 1.7% 17.2% 20%+ Global Specialty Engineered Materials 1.1% 15.3% 20%+ Designed Structures & Solutions 1.4% (2012) 3.3% 12 – 14% Performance Products & Solutions 5.5% 7.6% 10 – 12% Distribution 2.6% 6.5% 6.5 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 67% 80%+ 3) ROIC (after-tax)* 5.0% 11.7% 15% 4) Adjusted EPS Growth N/A 23 Consecutive Quarters of YOY EPS Growth Double Digit Expansion Proof of Performance & 2020 Goals *ROIC is defined as TTM adjusted operating income after-tax divided by the sum of average debt and equity over a 5 quarter period PolyOne Corporation Page 10 Platinum Vision: Pathway to Accelerated Growth Organic Sales Growth Margin Expansion Share Repurchases Acquisitions PolyOne Corporation Page 11 Innovation Drives Earnings Growth *Percentage of Specialty Platform revenue from products introduced in last five years $20 $53 2006 2014 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* 14% 27% 2006 2014 Specialty Platform Gross Margin % 20% 44% 2006 2014 Specialty Vitality Index Target ≥ 35% PolyOne Corporation Page 12 Megatrends Aligned with Key End Markets Decreasing Dependence on Fossil Fuels Protecting the Environment Improving Health and Wellness Megatrend End Markets Globalizing and Localizing Health & Wellness Transportation Packaging Consumer PolyOne Corporation Page 13 Prototype Frame Opportunity Scale-up & Test Market Build Business Case Commercial Launch Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 6 9 7 3 5 12 5 3 2 8 4 2 4 3 1 Breakthrough Platform Derivative A Rich Pipeline of Opportunity Number of Projects 14 8 18 12 22 74 Addressable Market ($ millions) $700 $600 $600 $1,900 PolyOne Corporation Page 14 60% 102% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 Q2 2015 Pension Funding** As of June 30, 2015 Debt Maturities & Pension Funding Net Debt / Adjusted EBITDA** = 2.0x Coupon Rate: 7.500% Variable* 7.375% 5.250% ** includes US-qualified pension plans only *Weighted average rate on revolver was 2.40% as of 6/30/15 **TTM 6/30/2015 $49 $79 $317 $600 $400 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2018 2020 2023 Debt Maturities As of June 30, 2015 ($ millions) PolyOne Corporation Page 15 Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return  Expanding our sales, marketing, and technical capabilities  Investing in operational and LSS initiatives  ~75% of capital expenditures fund growth initiatives Organic Growth Acquisitions Share Repurchases Dividends $0.16 $0.20 $0.24 $0.32 $0.40 $0.10 $0.20 $0.30 $0.40 $0.50 2011 2012 2013 2014 2015 Annual Dividend  Targets that expand our: • Specialty offerings • End market presence • Geographic breadth  Synergy opportunities  Adjacent material solutions  Repurchased nearly 600K shares in Q2 2015  Repurchased 12.4 million shares since early 2013  7.6 million shares are available for repurchase under the current authorization PolyOne Corporation Page 16 PolyOne Core Values Innovation Collaboration Excellence PolyOne Corporation Page 17 The New PolyOne: A Specialty Growth Company Why Invest In PolyOne?

Connect with One of Our Composites Engineers How to Choose the Right Pultruded Composite for Your Application Contact us to connect with one of our composites engineers, or explore GlasForms™ Pultruded Rods, Tubes & Custom Profiles here.

Connect with One of Our Composites Engineers How to Choose the Right Pultruded Composite for Your Application Contact us to connect with one of our composites engineers, or explore GlasForms™ Pultruded Rods, Tubes & Custom Profiles here.

Connect with One of Our Composites Engineers How to Choose the Right Pultruded Composite for Your Application Contact us to connect with one of our composites engineers, or explore GlasForms™ Pultruded Rods, Tubes & Custom Profiles here.

Connect with One of Our Composites Engineers How to Choose the Right Pultruded Composite for Your Application Contact us to connect with one of our composites engineers, or explore GlasForms™ Pultruded Rods, Tubes & Custom Profiles here.

These materials will be featured at CHINAPLAS next week, along with examples of how they are integrated with processing and design services to accelerate product development. PolyOne is exhibiting in Hall 8.2, stand E37 at Chinaplas 2018 from April 24-27. Jul 10, 2025

Orangeville Plasticizer (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 Contacts Details Report Year 2016 Report Type: NPRI,ON MOE TRA Report Status: Update 1 ­ Submitted Modified Date/Time: 30/04/2018 3:36 PM Report Update Comments: As per requests from Catherine Siew 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 103­23­1 Bis(2­ethylhexyl) adipate 0.0000 N/A N/A N/A tonnes 117­81­7 Bis(2­ethylhexyl) phthalate 0.0001 N/A N/A N/A tonnes 85­44­9 Phthalic anhydride N/A N/A N/A N/A tonnes Extension 73642 Fax: 4164994687 Email: darryl.chartrand@ch2m.com Contact Type Highest Ranking Employee Name: Robert Greenop Position: Plant Manager Telephone: 5199385865 Email: robert.greenop@polyone.com Mailing Address: Address Line 1:  City, Province/Territory, Postal Code: None  Country: None Contact Type Person who prepared the report Name: Najat Kamal Position: EHSQ specialist Telephone: 5148089920 Email: najat.kamal@polyone.com Mailing Address: Delivery Mode: GeneralDelivery Address Line 1:  City, Province/Territory, Postal Code: None  Country: None Number of employees: 16 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): 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): 07:00 CAS RN Substance Name Releases Releases (Speciated VOCs) Disposals Recycling Unit 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 103­23­1 Bis(2­ethylhexyl) adipate Yes Yes Yes 117­81­7 Bis(2­ethylhexyl) phthalate Yes Yes No 85­44­9 Phthalic anhydride Yes Yes No General Information about the Substance ­ Releases and Transfers of the Substance 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 Yes Yes No Yes Yes No General Information about the Substance ­ Disposals and Off­site Transfers for Recycling 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 Was the substance transferred off­site for recycling General Information about the Substance ­ Nature of Activities CAS RN Substance Name Manufacture the Substance Process the Substance Otherwise Use of the Substance 103­23­1 Bis(2­ethylhexyl) adipate For sale/distribution As a formulation component As a by­product 117­81­7 Bis(2­ethylhexyl) phthalate For sale/distribution As a formulation component As a by­product 85­44­9 Phthalic anhydride As a by­product As a reactant As a by­product TRA Quantifications CAS RN Substance Name Use, Creation, Contained in Product Quantity Use ranges for public reporting 103­23­1 Bis(2­ethylhexyl) adipate Use 0.000 tonnes Yes 103­23­1 Bis(2­ethylhexyl) adipate Creation 27.159 tonnes Yes 103­23­1 Bis(2­ethylhexyl) adipate Contained in Product 27.159 tonnes Yes 117­81­7 Bis(2­ethylhexyl) phthalate Use 0.000 tonnes Yes 117­81­7 Bis(2­ethylhexyl) phthalate Creation 0.104 tonnes Yes 117­81­7 Bis(2­ethylhexyl) phthalate Contained in Product 0.104 tonnes Yes 85­44­9 Phthalic anhydride Use 4228.7 tonnes Yes 85­44­9 Phthalic anhydride Creation 0.000 tonnes Yes 85­44­9 Phthalic anhydride Contained in Product 4228.7 tonnes Yes TRA Quantifications ­ Others Change in Method of Quantification Reasons for Description of how the change impact tracking and quantification of the substance Description of how an incident(s) affected quantifications Significant Process Change in Method of Quantification Reasons for Description of how the change impact tracking and quantification of the substance Description of how an incident(s) affected quantifications Significant Process Total Quantity Released (All Media) CAS RN Substance Name Category Basis of Estimate Detail Code Quantity 103­23­1 Bis(2­ethylhexyl) adipate Total Quantity Released O ­ Engineering Estimates 0.0000 tonnes 117­81­7 Bis(2­ethylhexyl) phthalate Total Quantity Released O ­ Engineering Estimates 0.0001 tonnes On­site Releases ­ Quarterly Breakdown of Annual Releases CAS RN Substance Name Quarter 1 Quarter 2 Quarter 3 Quarter 4 117­81­7 Bis(2­ethylhexyl) 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 117­81­7 Bis(2­ethylhexyl) phthalate No significant change (i.e.  The data for the facility(ies) that I represent are hereby submitted to the programs identified below using the Single Window Reporting Application.