Members of the Committee will be appointed by the Board each year following the annual meeting of shareholders In determining the long-term incentive component of the Chief Executive Officer’s compensation, consider the Company’s performance and relative shareholder return, the value of similar incentive awards to chief executive officers at comparable companies, and the awards given to the Chief Executive Officer in the past The Committee will meet at least four times a year and at such other times as may be requested by the Committee Chair

Advanced Composites Explained Gordon Composites™ and Glasforms™ thermoset composite materials and applications Advanced Composites Webinar

Advanced Composites Explained Gordon Composites™ and Glasforms™ thermoset composite materials and applications Advanced Composites Webinar

Thermoplastic Composites: Thermoset Composites: Gordon Composites™ continuous glass and carbon fiber bar stock, laminates, and composite springs

Advanced Composites Explained Environmentally Stabilized Composites Composite Overmolding Part Optimization

Record Retention  Production records are stored for a minimum of 1 year.  ERP records are kept for a minimum of 5 years. The record retention period for these records is seven (7) years. The record retention period for these records is three (3) years.

The non-GAAP financial measures include: adjusted EPS, earnings before interest, tax, depreciation and amortization (EBITDA), adjusted EBITDA, net debt, Specialty platform operating income, Specialty platform gross margin percentage, adjusted operating income, return on invested capital, net debt/ EBITDA, and the exclusion of corporate charges in certain calculations. In certain cases throughout this presentation, we have presented GAAP and non-GAAP financial measures adjusted to reflect full- year 2012 Pro forma results, including Spartech and Glasforms and excluding discontinued operations EPS: $2.50 Assumptions • Operating margins in mid-range of 2015 targets • No global recession • No investment in incremental PP&S capacity • Completion of 2-3 midsize accretive acquisitions • Housing starts at 85% of 50 year norm by 2015 • Mid single digit revenue CAGR • Remain comfortably below 3X Net Debt / EBITDA Page 11 2012 Rev: $2.9B Adj.

The non-GAAP financial measures include: adjusted EPS, earnings before interest, tax, depreciation and amortization (EBITDA), adjusted EBITDA, net debt, Specialty platform operating income, Specialty platform gross margin percentage, adjusted operating income, return on invested capital, net debt/ EBITDA, and the exclusion of corporate charges in certain calculations. In certain cases throughout this presentation, we have presented GAAP and non-GAAP financial measures adjusted to reflect full- year 2012 Pro forma results, including Spartech and Glasforms and excluding discontinued operations EPS: $2.50 Assumptions • Mid single digit revenue CAGR • Operating margins in mid-range of 2015 targets • No global recession • No investment in incremental PP&S capacity • Housing starts at 85% of 50 year norm by 2015 • Remain comfortably below 3X Net Debt / EBITDA Page 10 2012 Rev: $2.9B Adj.

The non-GAAP financial measures include: adjusted EPS, earnings before interest, tax, depreciation and amortization (EBITDA), adjusted EBITDA, net debt, Specialty platform operating income, Specialty platform gross margin percentage, adjusted operating income, return on invested capital, net debt/ EBITDA, and the exclusion of corporate charges in certain calculations. In certain cases throughout this presentation, we have presented GAAP and non-GAAP financial measures adjusted to reflect full- year 2012 Pro forma results, including Spartech and Glasforms and excluding discontinued operations EPS: $2.50 Assumptions • Operating margins in mid-range of 2015 targets • No global recession • No investment in incremental PP&S capacity • Completion of 2-3 midsize accretive acquisitions • Housing starts at 85% of 50 year norm by 2015 • Mid single digit revenue CAGR • Remain comfortably below 3X Net Debt / EBITDA Page 11 2012 Rev: $2.9B Adj.

Investor Day POLYONE I N V E S T O R P R E S E N T A T I O N A U G U S T 2 0 1 8 FORWARD LOOKING STATEMENTS PolyOne Corporation 2 USE OF NON-GAAP MEASURES PolyOne Corporation 3 V I S I O N PolyOne Corporation 4 To be the world’s premier provider of specialized polymer materials, services and solutions C O R E V A L U E S P E R S O N A L V A L U E S Honesty IntegrityRespect Operational Excellence Commercial Excellence Specialization Globalization Collaboration ExcellenceInnovation To be the world’s premier provider of specialized polymer materials, services and solutions S A F E T Y F I R S T PolyOne Corporation 5 1.3 1.1 1.1 0.85 0.65 0.57 0.54 0.97 0.84 0.74 0.74 0.69 0.57 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 YTD Injuries per 100 Workers Spartech Acquisition PolyOne Corporation 6 P O L Y O N E 2 0 1 7 R E V E N U E | $ 3 . 2 B I L L I O N 9% United States 59% 14% 10% Latin America 9% Canada PolyOne Distribution 34% Performance Products & Solutions 21% Specialty Engineered 19% Color Additives & Inks 26% Segment End Market Geography Building & Construction Electrical & Electronics 2009 2010 2011 2012 2013 2014 2015 2016* 2017* P R O O F O F P E R F O R M A N C E C O N S E C U T I V E Y E A R S PolyOne Corporation 7 8 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 $1.96 $2.06 $2.21 “Where we were” “Where we are” ROIC** 5.0% 14.0% Operating Income % of Sales Color, Additives & Inks 1.7% 15.5% Specialty Engineered Materials 1.1% 12.1% Performance Products & Solutions 4.3% 10.7% Distribution 2.6% 6.3% A D J U S T E D E P S E X P A N S I O N S U S T A I N A B L E P A T H T O D O U B L E - D I G I T E P S G R O W T H PolyOne Corporation 8 P E O P L E P R O D U C T S P L A N E T P E R F O R M A N C E Double digit annual EPS growth strategic acquisitions Innovate 600K-1M commercial resources 6-8% Double acquired Lean Six Sigma commercial excellence 531 689130 157 504 633 2014 Q2 2018 R&D / Technical Marketing Sales PolyOne Corporation 9 Increased commercial headcount + 28% + 18% + 23% Generating opportunities 35% 25% 1,000 $1.0B Enhancing efficiency I N V E S T M E N T I N COMMERCIAL RESOURCES D R I V I N G G R O W T H Lead Specialists T H E E V O L V I N G C U S T O M E R R E L A T I O N S H I P PolyOne Corporation 10 Expanded Path Traditional Path Strategic Accounts/ Field Sales Business Development Customer Service Web and Social Media Inside Sales PolyOne Corporation 11 Investments in digital and dedicated inside sales to improve customer experience 80% increase in leads (from 6,000 to 11,000) driven by website, phone, and online chat EXPANDED PATH A D D I N G C U S T O M E R T O U C H P O I N T S 4 21 Inside sellers $11M $88M Inside sales/digital revenue N E W R E S O U R C E S F U E L I N G T H E F U T U R E PolyOne Corporation 12 P O L Y O N E S A L E S F U N N E L +34% $3.0 billion 2017 $4.0 billion A L I G N I N G W I T H T R E N D S F O R G R O W T H T R A N S P O R T A T I O N P A C K A G I N G H E A L T H C A R E C O N S U M E R PolyOne Corporation 13 Facilitate alternative energy solutions Light- weighting Reduce packaging materials Improve recyclability Reduce spread of infection I N N O V A T I O N PolyOne Corporation 14 Customization 55% M&A 30% Innovation Pipeline Innovation comes from Research & Development Spend Vitality Index 38% $20 $52 Transformational Adjacent Core 3 H O R I Z O N S O F D E V E L O P M E N T PolyOne Corporation 15 Market Technical I N N O V A T I O N I N N O V A T I O N P I P E L I N E PolyOne Corporation 16 PrototypeFrame Opportunity Scale-up & Test Market Build Business Case Commercial Launch (since 2015) Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 8 6 2 1 15 4 10 11 4 7 Breakthrough Platform Derivative F L A M E R E T A R D A N T P O L Y M E R S A D V A N C E D C O M P O S I T E S B A R R I E R M A T E R I A L S C O L O R A N T T E C H N O L O G I E S T H E R M O P L A S T I C E L A S T O M E R S I N N O V A T I O N S P O T L I G H T : C O M P O S I T E S PolyOne Corporation 17 C O M P O S I T E S R E F R E S H E R PolyOne Corporation 18 Fiber Polymer Composite S T R A T E G I C I N V E S T M E N T H I S T O R Y Thermoplastic Composites Long Fiber Reinforced Thermoplastics Continuous Fiber Thermosets Long Fiber Reinforced Thermoplastics Continuous Fiber Thermosets 2012 2015 20162009 2011 2018 PolyOne Corporation 19 C O M P O S I T E S I N T R A N S P O R T A T I O N PolyOne Corporation 20 W A T E R C R A F TR A I L H E A V Y T R U C K PolyOne Corporation 21 Safety Technology Geography Service FinancialPeople 8-10% with ability to double I N V E S T - T O - G R O W M & A S T R A T E G Y PolyOne Corporation 22 Capture sourcing synergies Cross-sell & blend technology 8-10% operating I N V E S T - T O - G R O W M & A P L A Y B O O K Protect customers Retain employees Implement LSS to drive efficiency improvements Innovate with combined portfolio Safety First! Leverage PolyOne’s global reach Phase 1 Phase 2 Phase 3 18-20% operating Invest in commercial resources I N V E S T - T O - G R O W P R O O F O F P E R F O R M A N C E PolyOne Corporation 23 Commercial Resources Operating Income ($ in millions) Operating Margins 243 335 $36 $90 Established Acquisitions (> 7 years) + 40% + 150% + 900 bps I N V E S T - T O - G R O W D R I V I N G T H E F U T U R E PolyOne Corporation 24 Commercial Resources Operating Income ($ in millions) Operating Margins 113 144 206 $16 $18 $60 7% 8% 18-20% Recent Acquisitions PolyOne Corporation 25 Average Company Size # of Possibilities Rationale $200M S T R O N G P I P E L I N E D R I V E N B Y F R A G M E N T E D M A R K E T $0 $150 $300 $450 $600 $750 2011 2012 2013 2014 2015 2016 2017 2018 $809M R E T U R N I N G C A S H T O S H A R E H O L D E R S O V E R $ 1 B I L L I O N S I N C E 2 0 1 1 PolyOne Corporation $0.16 $0.20 $0.24 $0.32 $0.40 $0.48 $0.58 $0.70 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 3-Year Dividend Plan Cumulative Share Repurchases Increasing Annual Dividend 26 6.3% 14.0% 15.0% 16-17% 2009 2017 Platinum Vision Updated Expectations R O I C D R I V E S S H A R E H O L D E R R E T U R N PolyOne Corporation 27 PolyOne Corporation 28 W H Y I N V E S T I N P O L Y O N E ? T H E N E W P O L Y O N E : A S P E C I A L T Y G R O W T H C O M P A N Y SERVICE: T H E T I M E L E S S D I F F E R E N T I A T O R PolyOne Corporation 29 T A L E N T D E V E L O P M E N T PolyOne Corporation 30 Leadership Program Participants 2012 2013 2015 47 86 2016 2018 125 169 315 Campus Hires 2008 2011 2017 25 90 47 PolyOne LSS Blackbelts 2008 2011 2018 67 220 147 2018 141 A U N I Q U E C U S T O M E R E X P E R I E N C E Industrial Design IQ DESIGN LABS PolyOne Corporation 31 Material & Color Expertise Manufacturing Expertise 3 14 Industrial designers $0 $7M $4M $40M Opportunity funnel New business revenue LSS CUSTOMER FIRST PolyOne Corporation 32 Customer Projects 2 85 3 D P R I N T I N G B R I N G I N G N E W I D E A S T O L I F E PolyOne Corporation 33 PolyOne Corporation 34 99.9% up to 24 weeks 6 hours C O L O R M A T R I X S E L E C T ™ I N N O V A T I N G W I T H P O L Y O N E PolyOne Corporation 35 SEGMENT HIGHLIGHTS C O L O R , A D D I T I V E S & I N K S PolyOne Corporation 36 Solid Colorants Performance Additives Screen Printing Inks Liquid Colorants 27% 14% Textiles Building & 10% 10%Transportation Electrical & Operating Income & MarginRevenue by Region C O L O R , A D D I T I V E S & I N K S 2 0 1 7 R E V E N U E | $ 8 9 3 M I L L I O N $4 $25 $104 $139 0.9% 5.5% 12.2% 15.5% PolyOne Corporation 37 32% 46% 1% Mexico Brazil S P E C I A L T Y E N G I N E E R E D M A T E R I A L S PolyOne Corporation 38 Engineered Formulations Advanced Composites Thermoplastic Elastomers 19% 13% Building & Electrical & S P E C I A L T Y E N G I N E E R E D M A T E R I A L S Revenue by Region Operating Income & Margin 2 0 1 7 R E V E N U E | $ 6 2 4 M I L L I O N PolyOne Corporation 39 $21 $57 $76 0.1% 5.1% 9.3% 28% 48% 22% 12.1% P E R F O R M A N C E P R O D U C T S & S O L U T I O N S PolyOne Corporation 40 Specialty Vinyl Solutions Healthcare Formulations Smart Device Flame Retardant Polymers Building & 30% Electrical & 1% Asia 77% Mexico P E R F O R M A N C E P R O D U C T S & S O L U T I O N S Operating Income & MarginRevenue by Region 2 0 1 7 R E V E N U E | $ 7 2 1 M I L L I O N $40 $33 $56 $77 4.6% 3.6% 7.2% 10.7% PolyOne Corporation 41 $886 $668 $773 $721Sales D I S T R I B U T I O N E N D M A R K E T S & S U P P L I E R S PolyOne Corporation 42 23% 22% Electrical & Building & $20 $25 $63 $73 2.9% 4.0% 5.9% 6.3% Operating Income & Margin2017 Revenue | $1.2 Billion http://www.polyone.com/Pages/VariationRoot.aspx T A R G E T E N D M A R K E T S & A P P L I C A T I O N E X A M P L E S PolyOne Corporation 43 Thermally Conductive Chemical Resistant Polymer Colorants Elastomeric Grips and Handles Structural Composites Antimicrobial Technologies Anti-Counterfeiting Target End Markets… Healthcare Catheter Technologies Under-hood Components Target End Markets… Automotive Interior Structural Sound & Vibration Management Roof Systems Air Management Electronics and Cameras Lighting Exterior / Interior Trim Braces & Brackets Fasteners Seals & Flaps Target End Markets… Consumer Thermally Conductive Polymer Colorants Elastomeric Grips and Handles Structural Composite Oxygen Scavenger Laser Marking Additives Antistatic Technologies UV Light Barrier Technologies Cap & Closure Colorants Process Optimization Antioxidant Technologies Density Modified Target End Markets… Packaging Luxury Packaging GravitechTM Density Modified Polymers Optimize Color Usage OnColorTM Super Concentrates Combat Bacteria Formation WithStandTM Antimicrobial Technology Medical Device Housings Chemically Resistant Engineered Polymers Color & Design Services Outdoor Applications Fiber Colorants Smart Home Devices ResilienceTM Vinyl Solutions � � �������� � � ��� � �� � ����� ����� ��� ��� ������ �� ��� ��� �� ��� ��� !"