The boss should extend into the nominal wall of the part, to avoid a thick region and possible sink Figure 4 - Drafting Guidelines for Nominal Wall Thickness Cross section showing draft Figure 5 - Rib design guidelines 1/4˚—–1˚ 2.5W W 3W Min. .01" R Min. or .25W .75W for a low shrink material .50W for a high shrink material Figure 6 - Wall thickness changes due to rib placement 16.00 14.00 12.00 10.00 8.00 6.00 4.00 2.00 5.00 10.00 15.00 20.00 25.00 30.00 35.00 Rib-height (mm) M ax D is p la ce m en t M ag n it u d e (m m ) 0 FIGURE 4 - Drafing guidelines for nominal wall thickness FIGURE 5 - Rib design guidelines FIGURE 7 - Wall thickness changes due to rib placement FIGURE 6 - Rib height vs. stiffness 10 Gravi-Tech FIGURE 8 - Side Wall Boss Design Guidelines Sink Not Recommended Preferred Design A = Diameter = A = Primary Wall = A = 2A FIGURE 9 - Guidelines Design Guidelines 4W W 2W .75W For a Low Shrink Material .50W For a High Shrink Material FIGURE 9 - Side wall boss design guidelines FIGURE 10 - Gusset design guidelines FIGURE 11 - Structural hole design guidelines area.

Louis, Missouri Carolina 6.Hackensack, Tennessee 4.Gaggenau, Germany 5.Sullivan, Missouri 6.Elyria, Ohio New Jersey (4) 7.Pasadena, Texas 5.Istanbul, Turkey 6.Massillon, Ohio 7.La Porte, Texas 7.La Mirada, California (4) 8.Seabrook, Texas 6.Barbastro, Spain 7.Norwalk, Ohio 8.Brampton, Ontario, 8.Manitowoc, 9.Orangeville, 7.Melle, Germany 8.North Baltimore, Ohio Canada Wisconsin (4) Ontario, Canada 8 & 9.Suzhou, China (2) 9.Lehigh, Pennsylvania (8 Distribution 9.McMinnville, 10.St. Pension Benefits Health Care Benefits (In millions) 2013 2012 2013 2012 Change in benefit obligation: Projected benefit obligation — beginning of year $ 597.2 $ 543.5 $ 18.9 $ 21.9 Service cost 1.7 1.5 — — Interest cost 23.9 27.2 0.6 0.8 Actuarial (gain) loss (35.5) 63.4 (1.0) (2.0) Benefits paid (51.5) (39.8) (2.0) (2.7) Other 1.2 1.4 (0.1) 0.9 Projected benefit obligation — end of year $ 537.0 $ 597.2 $ 16.4 $ 18.9 Projected salary increases 2.8 2.8 — — Accumulated benefit obligation $ 534.2 $ 594.4 $ 16.4 $ 18.9 Change in plan assets: Plan assets — beginning of year $ 410.4 $ 335.6 $ — $ — Actual return on plan assets 44.9 46.9 — — Company contributions 68.0 66.8 1.8 2.0 Plan participants’ contributions — — 0.2 0.5 Benefits paid (51.5) (39.8) (2.0) (2.7) Other 0.4 0.9 — 0.2 Plan assets — end of year $ 472.2 $ 410.4 $ — $ — Under-funded status at end of year $ (64.8) $ (186.8) $ (16.4) $ (18.9) Amounts included in the accompanying Consolidated Balance Sheets are as follows: Pension Benefits Health Care Benefits (In millions) 2013 2012 2013 2012 Non-current assets $ 1.8 $ — $ — $ — Accrued expenses and other liabilities 4.0 4.0 1.7 1.9 Other non-current liabilities 62.6 182.8 14.7 17.0 POLYONE CORPORATION 63 Change in accumulated other comprehensive loss before tax: Pension Benefits Health Care Benefits (In millions) 2013 2012 2013 2012 Prior year $ 0.3 $ 0.3 $ — $ (17.4) Prior service credit recognized during year — — — 17.4 Current year $ 0.3 $ 0.3 $ — $ — As of December 31, 2013 and 2012, we had plans with total projected and accumulated benefit obligations in excess of the related plan assets as follows: Pension Benefits Health Care Benefits (In millions) 2013 2012 2013 2012 Projected benefit obligation $ 528.5 $ 596.4 $ 16.4 $ 18.9 Accumulated benefit obligation 525.6 593.6 16.4 18.9 Fair value of plan assets 461.9 409.6 — — Weighted-average assumptions used to determine benefit obligations at December 31: Pension Benefits Health Care Benefits 2013 2012 2013 2012 Discount rate 4.83% 4.12% 4.38% 3.71% Assumed health care cost trend rates at December 31: Health care cost trend rate assumed for next year N/A N/A 7.02% 7.39% Rate to which the cost trend rate is assumed to decline (the ultimate trend rate) N/A N/A 4.50% 4.63% Year that the rate reaches the ultimate trend rate N/A N/A 2027 2025 Assumed health care cost trend rates have an effect on the amounts reported for the health care plans. Pension Benefits Health Care Benefits (In millions) 2013 2012 2011 2013 2012 2011 Components of net periodic benefit (gains) costs: Service cost $ 1.7 $ 1.5 $ 1.6 $ — $ — $ — Interest cost 23.9 27.2 28.3 0.6 0.8 1.0 Expected return on plan assets (37.4) (27.6) (29.2) — — — Amortization of prior service cost — — 0.2 — (17.4) (17.4) Mark-to-market actuarial net (gains) losses (43.0) 44.0 83.4 (1.0) (2.0) 0.4 Net periodic benefit (gain) cost $ (54.8) $ 45.1 $ 84.3 $ (0.4) $ (18.6) $ (16.0) 64 POLYONE CORPORATION Weighted-average assumptions used to determine net periodic benefit cost for the years ended December 31: Pension Benefits Health Care Benefits 2013 2012 2011 2013 2012 2011 Discount rate 4.12% 5.11% 5.71% 3.71% 4.66% 5.07% Expected long-term return on plan assets 8.41% 8.43% 8.50% —% —% —% Assumed health care cost trend rates at December 31: Health care cost trend rate assumed for next year N/A N/A N/A 7.39% 8.35% 8.50% Rate to which the cost trend rate is assumed to decline (the ultimate trend rate) N/A N/A N/A 4.63% 5.00% 5.00% Year that the rate reaches the ultimate trend rate N/A N/A N/A 2025 2019 2018 The expected long-term rate of return on pension assets was determined after considering the historical experience of long-term asset returns by asset category, the expected investment portfolio mix and estimated future long-term investment returns.

Feb 17, 2025

Feb 17, 2025

Feb 07, 2025

Louvain-La-Nueve, Belgium 48. La Porte, Indiana 29. We recently set a goal to complete 100% of risk assessments on hazardous materials greater than 1 ton by 2025.

La Porte, Texas Canada 8. & 9. La Porte, Indiana (13 Manufacturing Plants) 15. Prior to the enactment of the TCJA, the Company had $24.6 million of U.S. foreign tax credit carryforwards that would have otherwise expired between 2018 and 2025.

The round at the bottom of the boss should Figure 4 - Drafting Guidelines for Nominal Wall Thickness Cross section showing draft Figure 5 - Rib design guidelines 1/4˚—–1˚ 2.5W W 3W Min. .01" R Min. or .25W .75W for a low shrink material .50W for a high shrink material Figure 6 - Wall thickness changes due to rib placement 16.00 14.00 12.00 10.00 8.00 6.00 4.00 2.00 5.00 10.00 15.00 20.00 25.00 30.00 35.00 Rib-height (mm) M ax D is p la ce m en t M ag n it u d e (m m ) 0 FIGURE 4 - Drafing guidelines for nominal wall thickness FIGURE 5 - Rib design guidelines FIGURE 7 - Wall thickness changes due to rib placement FIGURE 6 - Rib height vs. stiffness 10 Gravi-Tech FIGURE 8 - Side Wall Boss Design Guidelines Sink Not Recommended Preferred Design A = Diameter = A = Primary Wall = A = 2A FIGURE 9 - Guidelines Design Guidelines 4W W 2W .75W For a Low Shrink Material .50W For a High Shrink Material FIGURE 9 - Side wall boss design guidelines FIGURE 10 - Gusset design guidelines FIGURE 11 - Structural hole design guidelines be 10% of wall thickness.

Louvain-La-Nueve, Belgium 50. La Porte, Texas 7. La Porte, Indiana 30.

Louvain-La-Nueve, Belgium 46. La Porte, Indiana 28.