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.  PolyOne’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of the Company and each business segment and to allocate resources. Adjusted EPS is calculated as follows: Adjusted EPS 2006Y* 2007Y* 2008Y* 2009Y* 2010Y 2011Y 2012Y 2013Y 2014Y 2015Y Net income (loss) attributable to PolyOne common shareholders $ 130.9 $ 40.9 $ (417.0) $ 106.7 $ 152.5 $ 153.4 $ 53.3 $ 94.0 $ 78.0 $ 144.6 Joint venture equity earnings, after tax (68.5) (26.1) (20.8) (19.0) (14.7) (3.7) - - - - Special items, after tax(1) (51.2) 10.7 457.2 (75.9) (72.5) (72.8) 36.2 32.6 90.5 28.9 Adjusted net income $ 11.2 $ 25.5 $ 19.4 $ 11.8 $ 65.3 $ 76.9 $ 89.5 $ 126.6 $ 168.5 $ 173.5 Diluted shares 92.8 93.1 92.7 93.4 96.0 94.3 89.8 96.5 93.5 88.7 Adjusted EPS $ 0.12 $ 0.27 $ 0.21 $ 0.13 $ 0.68 $ 0.82 $ 1.00 $ 1.31 $ 1.80 $ 1.96 Adjusted EPS Q1 2009* Q2 2009* Q3 2009* Q4 2009* Q1 2010 Q2 2010 Q3 2010 Q4 2010 Net income attributable to PolyOne common shareholders $ 3.3 $ 1.3 $ 51.3 $ 50.8 $ 20.1 $ 44.7 $ 0.1 $ 87.6 Joint venture equity earnings, after tax (8.2) (5.8) (3.0) (2.0) (0.5) (4.5) (6.2) (3.5) Special items, after tax(1) (10.2) 9.2 (36.9) (38.0) (3.8) (22.1) 25.4 (72.0) Adjusted net (loss) income $ (15.1) $ 4.7 $ 11.4 $ 10.8 $ 15.8 $ 18.1 $ 19.3 $ 12.1 Diluted shares 92.2 93.5 93.9 94.4 95.3 96.3 96.3 97.4 Adjusted EPS $ (0.16) $ 0.05 $ 0.12 $ 0.11 $ 0.17 $ 0.19 $ 0.20 $ 0.12 Adjusted EPS Q1 2011 Q2 2011 Q3 2011 Q4 2011 Q1 2012 Q2 2012 Q3 2012 Q4 2012 Net income attributable to PolyOne common shareholders $ 106.0 $ 23.1 $ 16.0 $ 8.3 $ 15.3 $ 18.4 $ 19.4 $ 0.2 Joint venture equity earnings, after tax (3.7) - - - - - - - Special items, after tax(1) (81.3) 1.3 2.8 4.4 6.2 8.9 5.4 15.7 Adjusted net income $ 21.0 $ 24.4 $ 18.8 $ 12.7 $ 21.5 $ 27.3 $ 24.8 $ 15.9 Diluted shares 96.4 95.5 94.0 91.9 90.7 90.7 90.2 90.5 Adjusted EPS $ 0.22 $ 0.26 $ 0.20 $ 0.14 $ 0.24 $ 0.30 $ 0.28 $ 0.18 2 Adjusted EPS Q1 2013 Q2 2013 Q3 2013 Q4 2013 Q1 2014 Q2 2014 Q3 2014 Q4 2014 Net income (loss) attributable to PolyOne common shareholders $ 11.2 $ 38.6 $ 23.2 $ 21.0 $ 29.4 $ 30.9 $ 32.3 $ (14.6) Special items, after tax(1) 17.7 (2.0) 12.3 4.6 12.5 17.4 13.1 47.5 Adjusted net income $ 28.9 $ 36.6 $ 35.5 $ 25.6 $ 41.9 $ 48.3 $ 45.4 $ 32.9 Diluted shares 92.8 99.1 98.1 97.2 95.7 94.3 93.1 91.3 Adjusted EPS $ 0.31 $ 0.37 $ 0.36 $ 0.26 $ 0.44 $ 0.51 $ 0.49 $ 0.36 Adjusted EPS Q1 2015 Q2 2015 Q3 2015 Q4 2015 Q1 2016 Net income attributable to PolyOne common shareholders $ 30.2 $ 66.8 $ 44.5 $ 3.1 $ 39.1 Special items, after tax(1) 11.4 (15.9) 3.0 30.4 9.1 Adjusted net income $ 41.6 $ 50.9 $ 47.5 $ 33.5 $ 48.2 Diluted shares 90.1 89.8 88.4 86.6 85.5 Adjusted EPS $ 0.46 $ 0.57 $ 0.54 $ 0.39 $ 0.56 Adjusted operating margin is calculated as follows: Adjusted operating margin Q1 2009* Q2 2009* Q3 2009* Q4 2009* YTD 2009* Q1 2010 Q2 2010 Q3 2010 Q4 2010 YTD 2010 Operating Income $ 9.9 $ 17.1 $ 57.9 $ 52.2 $ 137.1 $ 32.3 $ 58.6 $ 42.0 $ 26.3 $ 159.2 Special items (1) (1.3) 4.6 (27.5) (24.5) (48.7) - (14.5) 5.5 4.2 (4.8) Joint venture equity earnings (12.8) (9.0) (4.8) (3.1) (29.7) (0.8) (7.1) (9.7) (5.5) (23.1) Adjusted operating (loss) income $ (4.2) $ 12.7 $ 25.6 $ 24.6 $ 58.7 $ 31.5 $ 37.0 $ 37.8 $ 25.0 $ 131.3 Sales $ 463.4 $ 496.5 $ 548.3 $ 552.5 $ 2,060.7 $ 604.0 $ 666.2 $ 650.7 $ 585.3 $ 2,506.2 Operating Margin (0.9)% 2.6% 4.7% 4.5% 2.8% 5.2% 5.6% 5.8% 4.3% 5.2% Adjusted operating margin Q1 2011 Q2 2011 Q3 2011 Q4 2011 YTD 2011 Q1 2012 Q2 2012 Q3 2012 Q4 2012 YTD 2012 Operating income (loss) $ 173.4 $ 42.4 $ 33.4 $ (46.2) $ 203.0 $ 37.4 $ 43.3 $ 43.5 $ 13.3 $ 137.5 Special items (1) (127.2) 2.7 4.9 72.9 (46.7) 8.5 11.8 8.3 25.3 53.9 Joint venture equity earnings (5.7) - - - (5.7) - - - - - Adjusted operating income $ 40.5 $ 45.1 $ 38.3 $ 26.7 $ 150.6 $ 45.9 $ 55.1 $ 51.8 $ 38.6 $ 191.4 Sales $ 682.8 $ 723.4 $ 694.0 $ 609.2 $ 2,709.4 $ 745.5 $ 756.6 $ 707.7 $ 651.0 $ 2,860.8 Operating Margin 5.9% 6.2% 5.5% 4.4% 5.6% 6.2% 7.3% 7.3% 5.9% 6.7% 3 Adjusted operating margin Q1 2013 Q2 2013 Q3 2013 Q4 2013 YTD 2013 Q1 2014 Q2 2014 Q3 2014 Q4 2014 YTD 2014 Operating income (loss) $ 40.5 $ 80.7 $ 61.6 $ 48.7 $ 231.5 $ 56.4 $ 49.4 $ 63.6 $ (14.3) $ 155.1 Special items (1) 16.6 (5.2) 10.8 7.8 30.0 22.9 39.8 22.0 80.2 164.9 Adjusted operating income $ 57.1 $ 75.5 $ 72.4 $ 56.5 $ 261.5 $ 79.3 $ 89.2 $ 85.6 $ 65.9 $ 320.0 Sales $ 801.1 $ 1,037.6 $ 1,008.9 $ 923.6 $ 3,771.2 $ 1,002.3 $ 1,005.5 $ 958.4 $ 869.3 $ 3,835.5 Operating Margin 7.1% 7.3% 7.2% 6.1% 6.9% 7.9% 8.9% 8.9% 7.6% 8.3% Adjusted operating margin Q1 2015 Q2 2015 Q3 2015 Q4 2015 YTD 2015 Q1 2016 Operating income $ 70.1 $ 80.3 $ 69.2 $ 31.3 $ 250.9 $ 71.3 Special items (1) 9.3 11.9 18.7 31.4 71.3 13.8 Adjusted operating income $ 79.4 $ 92.2 $ 87.9 $ 62.7 $ 322.2 $ 85.1 Sales $ 873.1 $ 887.1 $ 841.6 $ 775.8 $ 3,377.6 $ 847.0 Operating Margin 9.1% 10.4% 10.4% 8.1% 9.5% 10.0% Adjusted gross margin is calculated as follows: (In millions) Twelve Months Ended December 31, 2015 Gross margin - GAAP $ 681.5 Special items in gross margin(1) 39.7 Gross margin before special items $ 721.2 Specialty operating income mix percentage is calculated as follows: Platform operating income mix percentage 2005* 2010* 2015 Color, Additives and Inks $ 4.3 $ 37.7 $ 135.4 Specialty Engineered Materials 0.4 49.7 79.6 Designed Structures and Solutions - - 13.8 Specialty Platform $ 4.7 $ 87.4 $ 228.8 Performance Products and Solutions 75.7 54.0 57.4 Distribution 19.5 42.0 68.0 Joint ventures 91.9 18.9 — Corporate and eliminations (51.5) (27.7) (103.3) Operating income GAAP $ 140.3 $ 174.6 $ 250.9 Less: Corporate operating expense 51.5 27.7 103.3 Operating income excluding Corporate $ 191.8 $ 202.3 $ 354.2 Specialty platform operating mix percentage 2% 43% 65% 4 Adjusted EBITDA and net debt to adjusted EBITDA is calculated as follows: (In millions) Q2 2015 Q3 2015 Q4 2015 Q1 2016 Trailing Twelve Months Ended March 31, 2016 Income (loss) from continuing operations, before income taxes $ 63.4 $ 51.4 $ (0.4) $ 57.0 $ 171.4 Interest expense, net 16.2 16.2 15.6 14.6 62.6 Depreciation and amortization 25.0 28.3 25.9 27.2 106.4 Special items, impact on income (loss) from continuing operations before income taxes(1) 11.9 18.6 47.8 13.6 91.9 Accelerated depreciation included in special items (0.2) (4.3) (1.6) (2.8) (8.9) Adjusted EBITDA $ 116.3 $ 110.2 $ 87.3 $ 109.6 $ 423.4 Short-term and current portion of long-term debt $ 18.6 Long-term debt 1,174.3 Less: Cash and cash equivalents (155.4) Net Debt 1,037.5 Net Debt/TTM Adjusted EBITDA 2.5 * Historical results are shown as presented in prior filings and have not been updated to reflect subsequent changes in accounting principal, discontinued operations or the related resegmentation. (1) Special items are a non-GAAP financial measure and are used to determine adjusted earnings. 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.

The non-GAAP financial measures include: adjusted EPS, earnings before interest, tax, depreciation and amortization (EBITDA) adjusted EBITDA net debt Specialty platform operating income(EBITDA), adjusted EBITDA, net debt, Specialty platform operating income percentage, adjusted operating income, return on invested capital, net debt/ EBITDA and adjusted gross margin.  PolyOne’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of the Company and each business segment and to allocate resources. Adjusted EPS is calculated as follows: Adjusted EPS 2006Y* 2007Y* 2008Y* 2009Y* 2010Y 2011Y 2012Y 2013Y 2014Y 2015Y Net income (loss) attributable to PolyOne common shareholders $ 130.9 $ 40.9 $ (417.0) $ 106.7 $ 152.5 $ 153.4 $ 53.3 $ 94.0 $ 78.0 $ 144.6 Joint venture equity earnings, after tax (68.5) (26.1) (20.8) (19.0) (14.7) (3.7) — — — — Special items, after tax(1) (51.2) 10.7 457.2 (75.9) (72.5) (72.8) 36.2 32.6 90.5 28.9 Adjusted net income $ 11.2 $ 25.5 $ 19.4 $ 11.8 $ 65.3 $ 76.9 $ 89.5 $ 126.6 $ 168.5 $ 173.5 Diluted shares 92.8 93.1 92.7 93.4 96.0 94.3 89.8 96.5 93.5 88.7 Adjusted EPS $ 0.12 $ 0.27 $ 0.21 $ 0.13 $ 0.68 $ 0.82 $ 1.00 $ 1.31 $ 1.80 $ 1.96 Adjusted EPS Q1 2009* Q2 2009* Q3 2009* Q4 2009* Q1 2010 Q2 2010 Q3 2010 Q4 2010 Net income attributable to PolyOne common shareholders $ 3.3 $ 1.3 $ 51.3 $ 50.8 $ 20.1 $ 44.7 $ 0.1 $ 87.6 Joint venture equity earnings, after tax (8.2) (5.8) (3.0) (2.0) (0.5) (4.5) (6.2) (3.5) Special items, after tax(1) (10.2) 9.2 (36.9) (38.0) (3.8) (22.1) 25.4 (72.0) Adjusted net (loss) income $ (15.1) $ 4.7 $ 11.4 $ 10.8 $ 15.8 $ 18.1 $ 19.3 $ 12.1 Diluted shares 92.2 93.5 93.9 94.4 95.3 96.3 96.3 97.4 Adjusted EPS $ (0.16) $ 0.05 $ 0.12 $ 0.11 $ 0.17 $ 0.19 $ 0.20 $ 0.12 Adjusted EPS Q1 2011 Q2 2011 Q3 2011 Q4 2011 Q1 2012 Q2 2012 Q3 2012 Q4 2012 Net income attributable to PolyOne common shareholders $ 106.0 $ 23.1 $ 16.0 $ 8.3 $ 15.3 $ 18.4 $ 19.4 $ 0.2 Joint venture equity earnings, after tax (3.7) - - - - - - - Special items, after tax(1) (81.3) 1.3 2.8 4.4 6.2 8.9 5.4 15.7 Adjusted net income $ 21.0 $ 24.4 $ 18.8 $ 12.7 $ 21.5 $ 27.3 $ 24.8 $ 15.9 Diluted shares 96.4 95.5 94.0 91.9 90.7 90.7 90.2 90.5 Adjusted EPS $ 0.22 $ 0.26 $ 0.20 $ 0.14 $ 0.24 $ 0.30 $ 0.28 $ 0.18 2 Adjusted EPS Q1 2013 Q2 2013 Q3 2013 Q4 2013 Q1 2014 Q2 2014 Q3 2014 Q4 2014 Net income (loss) attributable to PolyOne common shareholders $ 11.2 $ 38.6 $ 23.2 $ 21.0 $ 29.4 $ 30.9 $ 32.3 $ (14.6) Special items, after tax(1) 17.7 (2.0) 12.3 4.6 12.5 17.4 13.1 47.5 Adjusted net income $ 28.9 $ 36.6 $ 35.5 $ 25.6 $ 41.9 $ 48.3 $ 45.4 $ 32.9 Diluted shares 92.8 99.1 98.1 97.2 95.7 94.3 93.1 91.3 Adjusted EPS $ 0.31 $ 0.37 $ 0.36 $ 0.26 $ 0.44 $ 0.51 $ 0.49 $ 0.36 Adjusted EPS Q1 2015 Q2 2015 Q3 2015 Q4 2015 Q1 2016 Q2 2016 Net income attributable to PolyOne common shareholders $ 30.2 $ 66.8 $ 44.5 $ 3.1 $ 39.1 $ 50.0 Special items, after tax(1) 11.4 (15.9) 3.0 30.4 9.1 3.2 Adjusted net income $ 41.6 $ 50.9 $ 47.5 $ 33.5 $ 48.2 $ 53.2 Diluted shares 90.1 89.8 88.4 86.6 85.5 84.7 Adjusted EPS $ 0.46 $ 0.57 $ 0.54 $ 0.39 $ 0.56 $ 0.63 Adjusted operating margin is calculated as follows: Adjusted operating margin Q1 2009* Q2 2009* Q3 2009* Q4 2009* YTD 2009* Q1 2010 Q2 2010 Q3 2010 Q4 2010 YTD 2010 Operating Income $ 9.9 $ 17.1 $ 57.9 $ 52.2 $ 137.1 $ 32.3 $ 58.6 $ 42.0 $ 26.3 $ 159.2 Special items (1) (1.3) 4.6 (27.5) (24.5) (48.7) - (14.5) 5.5 4.2 (4.8) Joint venture equity earnings (12.8) (9.0) (4.8) (3.1) (29.7) (0.8) (7.1) (9.7) (5.5) (23.1) Adjusted operating (loss) income $ (4.2) $ 12.7 $ 25.6 $ 24.6 $ 58.7 $ 31.5 $ 37.0 $ 37.8 $ 25.0 $ 131.3 Sales $ 463.4 $ 496.5 $ 548.3 $ 552.5 $ 2,060.7 $ 604.0 $ 666.2 $ 650.7 $ 585.3 $ 2,506.2 Operating Margin (0.9)% 2.6% 4.7% 4.5% 2.8% 5.2% 5.6% 5.8% 4.3% 5.2% Adjusted operating margin Q1 2011 Q2 2011 Q3 2011 Q4 2011 YTD 2011 Q1 2012 Q2 2012 Q3 2012 Q4 2012 YTD 2012 Operating income (loss) $ 173.4 $ 42.4 $ 33.4 $ (46.2) $ 203.0 $ 37.4 $ 43.3 $ 43.5 $ 13.3 $ 137.5 Special items (1) (127.2) 2.7 4.9 72.9 (46.7) 8.5 11.8 8.3 25.3 53.9 Joint venture equity earnings (5.7) - - - (5.7) - - - - - Adjusted operating income $ 40.5 $ 45.1 $ 38.3 $ 26.7 $ 150.6 $ 45.9 $ 55.1 $ 51.8 $ 38.6 $ 191.4 Sales $ 682.8 $ 723.4 $ 694.0 $ 609.2 $ 2,709.4 $ 745.5 $ 756.6 $ 707.7 $ 651.0 $ 2,860.8 Operating Margin 5.9% 6.2% 5.5% 4.4% 5.6% 6.2% 7.3% 7.3% 5.9% 6.7% 3 Adjusted operating margin Q1 2013 Q2 2013 Q3 2013 Q4 2013 YTD 2013 Q1 2014 Q2 2014 Q3 2014 Q4 2014 YTD 2014 Operating income (loss) $ 40.5 $ 80.7 $ 61.6 $ 48.7 $ 231.5 $ 56.4 $ 49.4 $ 63.6 $ (14.3) $ 155.1 Special items (1) 16.6 (5.2) 10.8 7.8 30.0 22.9 39.8 22.0 80.2 164.9 Adjusted operating income $ 57.1 $ 75.5 $ 72.4 $ 56.5 $ 261.5 $ 79.3 $ 89.2 $ 85.6 $ 65.9 $ 320.0 Sales $ 801.1 $ 1,037.6 $ 1,008.9 $ 923.6 $ 3,771.2 $ 1,002.3 $ 1,005.5 $ 958.4 $ 869.3 $ 3,835.5 Operating Margin 7.1% 7.3% 7.2% 6.1% 6.9% 7.9% 8.9% 8.9% 7.6% 8.3% Adjusted operating margin Q1 2015 Q2 2015 Q3 2015 Q4 2015 YTD 2015 Q1 2016 Q2 2016 Operating income $ 70.1 $ 80.3 $ 69.2 $ 31.3 $ 250.9 $ 71.3 $ 81.5 Special items (1) 9.3 11.9 18.7 31.4 71.3 13.8 10.4 Adjusted operating income $ 79.4 $ 92.2 $ 87.9 $ 62.7 $ 322.2 $ 85.1 $ 91.9 Sales $ 873.1 $ 887.1 $ 841.6 $ 775.8 $ 3,377.6 $ 847.0 $ 861.5 Operating Margin 9.1% 10.4% 10.4% 8.1% 9.5% 10.0% 10.7% Adjusted gross margin is calculated as follows: (In millions) Twelve Months Ended December 31, 2015 Gross margin - GAAP $ 681.5 Special items in gross margin(1) 39.7 Gross margin before special items $ 721.2 Specialty platform percentage of operating income is calculated as follows: Platform operating income mix percentage 2006Y* Q2 2016 Color, Additives and Inks $ 8.9 $ 38.2 Specialty Engineered Materials 3.9 21.4 Designed Structures and Solutions — 1.0 Specialty Platform $ 12.8 $ 60.6 Performance Products and Solutions 64.2 21.3 Distribution 19.2 17.8 Joint ventures 102.9 — Corporate and eliminations 34.5 (18.2) Operating income GAAP $ 233.6 $ 81.5 Less: Corporate and eliminations (34.5) 18.2 Operating income excluding Corporate $ 199.1 $ 99.7 Specialty platform percentage of operating income excluding corporate 6% 61% 4 Adjusted EBITDA and net debt to adjusted EBITDA is calculated as follows: (In millions) Six Months Ended June 30, 2015 Twelve Months Ended December 31, 2015 Six Months Ended June 30, 2016 Trailing Twelve Months Ended June 30, 2016 Income from continuing operations, before income taxes $ 116.7 $ 167.7 $ 123.6 $ 174.6 Interest expense, net 32.3 64.1 29.2 61.0 Depreciation and amortization 50.1 104.3 52.4 106.6 Special items, impact on income (loss) from continuing operations before income taxes(1) 21.2 87.6 24.5 90.9 Accelerated depreciation included in special items (0.3) (6.2) (3.2) (9.1) Adjusted EBITDA(2) $ 220.0 $ 417.5 $ 226.5 $ 424.0 Short-term and current portion of long-term debt $ 18.4 Long-term debt 1,126.2 Total Debt 1,144.6 Less: Cash and cash equivalents (161.4) Net Debt $ 983.2 Net Debt / TTM Adjusted EBITDA 2.3 * Historical results are shown as presented in prior filings and have not been updated to reflect subsequent changes in accounting principal, discontinued operations or the related resegmentation. (1) Special items are a non-GAAP financial measure and are used to determine adjusted earnings. 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. (2) Adjusted EBITDA does not include the pro forma impact of acquired businesses for the trailing twelve months ended June 30, 2016.

By helping to achieve target rPET use percentage, where applied, Amosorb 4020L can help avoidance of potential plastic tax surcharges.

This allows us to rapidly translate new technologies into new products, helping us advance a more circular economy with reduced carbon footprint. Employee Recruitment We actively recruit and seek the best and the brightest talent through numerous channels, including job fairs, online talent networks, industry associations, referrals and campus recruiting. Each group has its own mission and supporting activities, and their efforts coalesce to help educate and inspire our global workforce and fortify sustainable business practices.

This allows us to rapidly translate new technologies into new products, helping us advance a more circular economy with reduced carbon footprint. The vision of this group is to help Avient become a top employer for veteran talent and to help provide support and resources to help veterans navigate their career transition and bring value to the Company. The Company records tax provisions for uncertain tax positions in accordance with FASB ASC Topic 740, Income Taxes.

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 9 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 Injuries per 100 Workers Spartech Acquisition 1.3 1.1 1.1 0.85 0.65 0.57 0.54 0.97 0.84 0.74 0.74 0.69 0.51 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 PolyOne Corporation 6 P O L Y O N E 2 0 1 8 R E V E N U E | $ 3 . 5 B I L L I O N Transportation 17% Industrial 15% Consumer 12% Packaging 11% Wire & Cable 10% Appliance 5% United States 57% Europe 16% Asia 10% Latin America 10% Canada 7% Distribution 35% Performance Products & Solutions 19% Specialty Engineered Materials 17% Color Additives & Inks 29% Segment End Market Geography Building & Construction 11% Electrical & Electronics 6% Healthcare 13% 2009 2010 2011 2012 2013 2014 2015 2016* 2017* 2018 $2.43 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 9 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 $1.96 $2.06 $2.21 2006 2018 ROIC** 5.0% 14.1% Operating Income % of Sales Color, Additives & Inks 1.7% 15.1% Specialty Engineered Materials 1.1% 11.2% Performance Products & Solutions 4.3% 10.0% Distribution 2.6% 5.6% 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 5-7% Double acquired margins Lean Six Sigma commercial excellence 531 710 130 164 504 663 2014 2018 R&D / Technical Marketing Sales PolyOne Corporation 9 Increased commercial headcount + 34% + 26% + 32% 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 Sustained revenue increases led by organic business $2.9 $2.9 $3.2 $3.5 2015 2016 2017 2018 Total + 9% Organic + 5% Revenue in billions of $ Total + 10% Organic + 7% 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 110% increase in leads (from 6,000 to 12,700) driven by website, phone, and online chat EXPANDED PATH A DDI N G C U S T O M E R T O U C H P O I N T S 4 24 2014 2018 Inside sellers $11M $109M 2014 2018 Inside sales/digital revenue 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 12 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 13 Customization 55% M&A 30% Innovation Pipeline 15% Innovation comes from Research & Development Spend Vitality Index 12% 35% 2006 2018 $20 $56 2006 2018 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 14 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 15 PrototypeFrame Opportunity Scale-up & Test Market Build Business Case Commercial Launch (since 2017) Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 6 11 4 4 3 2 28 0 5 10 7 2 5 5 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 16 C O M P O S I T E S R E F R E S H E R PolyOne Corporation 17 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 2019 18 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 19 W A T E R C R A F TR A I L H E A V Y T R U C K F I B E R - L I N E H I G H L I G H T S PolyOne Corporation 20 $100M • • • • • • • • • • • • • • • • • • • Customer Value Fiber-Line Fiber Processing Capabilities Polymer Formulation Capabilities P O L Y O N E A P P L I C A T I O N S I N F I B E R O P T I C C A B L E S PolyOne Corporation 21 • • • • • • • • • F I B E R O P T I C A L G R O W T H D R I V E R S PolyOne Corporation 22 5G Networks      10x 8x 5G vs. 4G PolyOne Corporation 23 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 24 Capture sourcing synergies Cross-sell & blend technology 8-10% operating margins 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! Adjusted EPS attributable to PolyOne common shareholders is calculated as follows: 2009* 2010* 2011* 2012* 2013* 2014* 2015* 2016 2017 2018 Net income from continuing operations attributable to PolyOne common shareholders $ 106.7 $ 152.5 $ 153.4 $ 53.3 $ 94.0 $ 78.0 $ 144.6 $ 166.4 $ 173.5 $ 161.1 Joint venture equity earnings, after tax (19.0) (14.7) (3.7) — — — — — — — Special items, before tax(1) (48.7) 24.2 (48.1) 55.1 46.3 164.2 87.6 23.8 32.9 59.5 Special items, tax adjustments(1) (27.2) (96.7) (24.7) (18.9) (13.7) (73.7) (58.7) (15.9) (24.8) (25.3) Adjusted net income from continuing operations attributable to PolyOne common shareholders $ 11.8 $ 65.3 $ 76.9 $ 89.5 $ 126.6 $ 168.5 $ 173.5 $ 174.3 $ 181.6 $ 195.3 Diluted shares 93.4 96.0 94.3 89.8 96.5 93.5 88.7 84.6 82.1 80.4 Adjusted EPS attributable to PolyOne common shareholders $ 0.13 $ 0.68 $ 0.82 $ 1.00 $ 1.31 $ 1.80 $ 1.96 $ 2.06 $ 2.21 $ 2.43 * Historical results are shown as presented in prior filings and have not been updated to reflect subsequent changes in accounting principle, discontinued operations or the related resegmentation. (1) Special items include charges related to specific strategic initiatives or financial restructuring such as: consolidation of operations; debt extinguishment costs; costs incurred directly in relation to acquisitions or divestitures, including adjustments related to contingent consideration; employee separation costs resulting from personnel reduction programs, plant realignment costs, executive separation agreements; asset impairments; mark-to-market adjustments associated with actuarial gains and losses on pension and other post-retirement benefit plans; environmental remediation costs, fines, penalties and related insurance recoveries related to facilities no longer owned or closed in prior years; gains and losses on the divestiture of operating businesses, joint ventures and equity investments; gains and losses on facility or property sales or disposals; results of litigation, fines or penalties, where such litigation (or action relating to the fines or penalties) arose prior to the commencement of the performance period; one-time, non- recurring items; and the effect of changes in accounting principles or other such laws or provisions affecting reported results. Tax adjustments include the net tax benefit/(expense) from one-time income tax items, the set-up or reversal of uncertain tax position reserves and deferred income tax valuation allowance adjustments.

Investor Day POLYONE I N V E S T O R P R E S E N T A T I O N M A Y 2 0 1 9 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 Injuries per 100 Workers Spartech Acquisition 1.3 1.1 1.1 0.85 0.65 0.57 0.54 0.97 0.84 0.74 0.74 0.69 0.51 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 PolyOne Corporation 6 P O L Y O N E 2 0 1 8 R E V E N U E | $ 3 . 5 B I L L I O N Transportation 17% Industrial 15% Consumer 12% Packaging 11% Wire & Cable 10% Appliance 5% United States 57% Europe 16% Asia 10% Latin America 10% Canada 7% Distribution 35% Performance Products & Solutions 19% Specialty Engineered Materials 17% Color Additives & Inks 29% Segment End Market Geography Building & Construction 11% Electrical & Electronics 6% Healthcare 13% 2009 2010 2011 2012 2013 2014 2015 2016* 2017* 2018 $2.43 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 9 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 $1.96 $2.06 $2.21 2006 2018 ROIC** 5.0% 14.1% Operating Income % of Sales Color, Additives & Inks 1.7% 15.1% Specialty Engineered Materials 1.1% 11.2% Performance Products & Solutions 4.3% 10.0% Distribution 2.6% 5.6% 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 5-7% Double acquired margins Lean Six Sigma commercial excellence 531 710 130 164 504 663 2014 2018 R&D / Technical Marketing Sales PolyOne Corporation 9 Increased commercial headcount + 34% + 26% + 32% 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 Sustained revenue increases led by organic business $2.9 $2.9 $3.2 $3.5 2015 2016 2017 2018 Total + 9% Organic + 5% Revenue in billions of $ Total + 10% Organic + 7% 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 110% increase in leads (from 6,000 to 12,700) driven by website, phone, and online chat EXPANDED PATH A DDI N G C U S T O M E R T O U C H P O I N T S 4 24 2014 2018 Inside sellers $11M $109M 2014 2018 Inside sales/digital revenue 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 12 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 13 Customization 55% M&A 30% Innovation Pipeline 15% Innovation comes from Research & Development Spend Vitality Index 12% 35% 2006 2018 $20 $56 2006 2018 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 14 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 15 PrototypeFrame Opportunity Scale-up & Test Market Build Business Case Commercial Launch (since 2017) Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 6 11 4 4 3 2 28 0 5 10 7 2 5 5 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 16 C O M P O S I T E S R E F R E S H E R PolyOne Corporation 17 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 2019 18 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 19 W A T E R C R A F TR A I L H E A V Y T R U C K F I B E R - L I N E H I G H L I G H T S PolyOne Corporation 20 $100M • • • • • • • • • • • • • • • • • • • Customer Value Fiber-Line Fiber Processing Capabilities Polymer Formulation Capabilities P O L Y O N E A P P L I C A T I O N S I N F I B E R O P T I C C A B L E S PolyOne Corporation 21 • • • • • • • • • F I B E R O P T I C A L G R O W T H D R I V E R S PolyOne Corporation 22 5G Networks      10x 8x 5G vs. 4G PolyOne Corporation 23 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 24 Capture sourcing synergies Cross-sell & blend technology 8-10% operating margins 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! Adjusted EPS attributable to PolyOne common shareholders is calculated as follows: 2009* 2010* 2011* 2012* 2013* 2014* 2015* 2016 2017 2018 Net income from continuing operations attributable to PolyOne common shareholders $ 106.7 $ 152.5 $ 153.4 $ 53.3 $ 94.0 $ 78.0 $ 144.6 $ 166.4 $ 173.5 $ 161.1 Joint venture equity earnings, after tax (19.0) (14.7) (3.7) — — — — — — — Special items, before tax(1) (48.7) 24.2 (48.1) 55.1 46.3 164.2 87.6 23.8 32.9 59.5 Special items, tax adjustments(1) (27.2) (96.7) (24.7) (18.9) (13.7) (73.7) (58.7) (15.9) (24.8) (25.3) Adjusted net income from continuing operations attributable to PolyOne common shareholders $ 11.8 $ 65.3 $ 76.9 $ 89.5 $ 126.6 $ 168.5 $ 173.5 $ 174.3 $ 181.6 $ 195.3 Diluted shares 93.4 96.0 94.3 89.8 96.5 93.5 88.7 84.6 82.1 80.4 Adjusted EPS attributable to PolyOne common shareholders $ 0.13 $ 0.68 $ 0.82 $ 1.00 $ 1.31 $ 1.80 $ 1.96 $ 2.06 $ 2.21 $ 2.43 * Historical results are shown as presented in prior filings and have not been updated to reflect subsequent changes in accounting principle, discontinued operations or the related resegmentation. (1) Special items include charges related to specific strategic initiatives or financial restructuring such as: consolidation of operations; debt extinguishment costs; costs incurred directly in relation to acquisitions or divestitures, including adjustments related to contingent consideration; employee separation costs resulting from personnel reduction programs, plant realignment costs, executive separation agreements; asset impairments; mark-to-market adjustments associated with actuarial gains and losses on pension and other post-retirement benefit plans; environmental remediation costs, fines, penalties and related insurance recoveries related to facilities no longer owned or closed in prior years; gains and losses on the divestiture of operating businesses, joint ventures and equity investments; gains and losses on facility or property sales or disposals; results of litigation, fines or penalties, where such litigation (or action relating to the fines or penalties) arose prior to the commencement of the performance period; one-time, non- recurring items; and the effect of changes in accounting principles or other such laws or provisions affecting reported results. Tax adjustments include the net tax benefit/(expense) from one-time income tax items, the set-up or reversal of uncertain tax position reserves and deferred income tax valuation allowance adjustments.