M in im izi ng En vironm ental, Health, Safety, Security & S o cia l Im p a cts PRODUCT STEWARDSHIP INNOVATE MANUFACTURE SELL USE REUSE Manufacturing Product Use Raw Materials Recycling PRODUCT LIFE CYCLE In many instances, we have gone beyond basic legal requirements, such as Responsible Care® certification and implementation of the Product Safety Code.

M in im izi ng En vironm ental, Health, Safety, Security & S o cia l Im p a cts PRODUCT STEWARDSHIP INNOVATE MANUFACTURE SELL USE REUSE Manufacturing Product Use Raw Materials Recycling PRODUCT LIFE CYCLE In many instances, we have gone beyond basic legal requirements, such as Responsible Care® certification and implementation of the Product Safety Code.

Payment Due by Period (In millions) Total 2022 2023 2024 2025 2026 Thereafter Total debt (1) $ 1,873.3 $ 8.6 $ 608.6 $ 8.6 $ 658.7 $ 6.9 $ 581.9 Operating leases 81.3 26.3 19.8 12.6 7.7 4.6 10.3 Interest on long-term debt obligations (2) 241.8 84.4 68.5 52.6 33.7 1.6 1.0 Pension and post-retirement obligations (3) 89.4 9.5 8.9 8.7 9.0 9.0 44.3 Purchase obligations (4) 40.5 27.5 8.1 3.0 1.5 0.4 — Total $ 2,326.3 $ 156.3 $ 713.9 $ 85.5 $ 710.6 $ 22.5 $ 637.5 (1) Total debt includes both the current and long-term portions of debt and capital lease obligations. (2) Represents estimated contractual interest payments for all outstanding debt. (3) This represents estimates related to the funding obligations of our pension and other post retirement plans. Pension Benefits Health Care Benefits (in millions) 2021 2020 2021 2020 Change in benefit obligation: Projected benefit obligation - beginning of year $ 602.0 $ 478.0 $ 18.3 $ 7.1 Service cost 4.7 3.0 0.1 0.1 Interest cost 14.2 15.3 0.5 0.4 Actuarial (loss) gain (12.1) 24.5 (1.6) — Benefits paid (53.9) (40.9) (1.2) (0.7) Effect of settlement and/or curtailment (1.5) (23.0) (0.3) — Acquired benefit obligation — 137.3 — 11.3 Other (4.1) 7.8 — 0.1 Projected benefit obligation - end of year 549.3 602.0 15.8 18.3 Projected salary increases (7.7) (8.8) — — Accumulated benefit obligation $ 541.6 $ 593.2 $ 15.8 $ 18.3 Change in plan assets: Plan assets - beginning of year $ 573.6 $ 469.1 $ — $ — Actual return on plan assets 2.9 60.5 — — Company contributions 8.6 5.4 1.2 0.7 Benefits paid (53.9) (40.9) (1.2) (0.7) Effect of settlement and curtailment (0.9) (16.5) — — Acquired plan assets — 92.4 — — Other (1.0) 3.6 — — Plan assets - end of year $ 529.3 $ 573.6 $ — $ — Unfunded status at end of year $ (20.0) $ (28.4) $ (15.8) $ (18.3)( ) ( ) ( ) ( ) 52 AVIENT CORPORATION Amounts included in the accompanying Consolidated Balance Sheets as of December 31 are as follows: Pension Benefits Health Care Benefits (in millions) 2021 2020 2021 2020 Non-current assets $ 71.1 $ 75.0 $ — $ — Accrued expenses and other liabilities 5.7 5.4 1.2 1.3 Pension and other post-retirement benefits 85.4 98.0 14.6 17.0 As of December 31, 2021 and 2020, 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) 2021 2020 2021 2020 Projected benefit obligation $ 116.6 $ 149.5 $ 15.8 $ 18.3 Fair value of plan assets 26.5 46.7 — — Accumulated benefit obligation 108.3 122.8 15.8 18.3 Fair value of plan assets 25.4 28.2 — — Weighted-average assumptions used to determine benefit obligations at December 31: Pension Benefits Health Care Benefits 2021 2020 2021 2020 Discount rate 2.69 % 2.47 % 2.85 % 2.66 % Assumed health care cost trend rates at December 31: Health care cost trend rate assumed for next year N/A N/A 6.44 % 5.99 % Rate to which the cost trend rate is assumed to decline (the ultimate trend rate) N/A N/A 4.08 % 4.04 % Year that the rate reaches the ultimate trend rate N/A N/A 2065 2065 The following table summarizes the components of net periodic benefit cost or gain that was recognized during each of the years in the three-year period ended December 31, 2021. Pension Benefits Health Care Benefits (in millions) 2021 2020 2019 2021 2020 2019 Components of net periodic benefit costs (gains): Service Cost $ 4.7 $ 3.0 $ 0.5 $ 0.1 $ 0.1 $ — Interest Cost 14.2 15.3 18.2 0.5 0.4 0.2 Expected return on plan assets (26.9) (25.3) (23.7) — — — Mark-to-market actuarial net losses (gains) 11.9 (10.8) (9.7) (1.7) — 0.1 Curtailment (0.6) (6.4) — (0.2) — — Net periodic cost (benefit) $ 3.3 $ (24.2) $ (14.7) $ (1.3) $ 0.5 $ 0.3( ) ( ) ( ) In 2021, we recognized a $9.4 million mark-to-market loss that was primarily the result of actual asset returns that were lower than our assumed returns.

Net cash used in financing activities in 2012 reflects scheduled payments on our long-term debt of $3.0 million, repurchase of common shares for treasury of $15.9 million under our stock repurchase program and dividend payments of $16.9 million. POLYONE CORPORATION 45 Consolidated Balance Sheets Year Ended December 31, (In millions) 2013 2012 ASSETS Current assets: Cash and cash equivalents $ 365.2 $ 210.0 Accounts receivable, net 428.0 313.9 Inventories, net 342.5 244.4 Assets held-for-sale — 39.3 Other current assets 117.9 81.1 Total current assets 1,253.6 888.7 Property, net 646.2 385.8 Goodwill 559.0 405.5 Intangible assets, net 365.8 340.0 Other non-current assets 119.5 108.0 Total assets $ 2,944.1 $ 2,128.0 LIABILITIES AND SHAREHOLDERS’ EQUITY Current liabilities: Short-term and current portion of long-term debt $ 12.7 $ 3.8 Accounts payable 386.9 296.1 Liabilities held-for-sale — 18.0 Accrued expenses and other liabilities 209.3 141.9 Total current liabilities 608.9 459.8 Long-term debt 976.2 703.1 Post-retirement benefits other than pensions 14.7 17.0 Pension benefits 62.6 182.8 Deferred income taxes 133.8 31.8 Other non-current liabilities 169.4 102.1 Total non-current liabilities 1,356.7 1,036.8 Shareholders’ equity Preferred stock, 40.0 shares authorized, no shares issued — — Common Shares, $0.01 par, 400.0 shares authorized, 122.2 shares issued 1.2 1.2 Additional paid-in capital 1,149.8 1,016.1 Retained earnings (deficit) 211.6 (13.0) Common shares held in treasury, at cost, 27.1 shares in 2013 and 32.7 shares in 2012 (371.0) (364.1) Accumulated other comprehensive loss (14.8) (11.1) Total PolyOne shareholders’ equity 976.8 629.1 Noncontrolling interest 1.7 2.3 Total equity 978.5 631.4 Total liabilities and equity $ 2,944.1 $ 2,128.0 The accompanying notes to the consolidated financial statements are an integral part of these statements. 46 POLYONE CORPORATION Consolidated Statements of Cash Flows Year Ended December 31, (In millions) 2013 2012 2011 Operating activities Net income $ 242.7 $ 71.8 $ 172.6 Adjustments to reconcile net income to net cash provided by operating activities: Depreciation and amortization 109.8 69.8 57.5 Deferred income tax provision 12.9 13.4 3.6 Debt extinguishment costs 15.8 — 0.9 Provision for doubtful accounts 0.2 0.3 2.0 Stock compensation expense 16.5 10.4 5.4 Gain on sale of business (223.7) — — Income related to previously owned equity affiliates (26.9) (23.4) (152.0) Changes in assets and liabilities, net of the effect of acquisitions and divestitures: Decrease in accounts receivable 26.9 1.2 7.3 Decrease (increase) in inventories 20.4 (3.0) 8.0 (Decrease) increase in accounts payable (16.6) 16.8 11.2 (Decrease) increase in pension and other post-retirement benefits (124.5) (41.7) 30.2 Increase (decrease) in accrued expenses and other assets and liabilities 55.5 (8.7) (74.2) Net cash provided by operating activities 109.0 106.9 72.5 Investing activities Capital expenditures (76.4) (57.4) (54.1) Business acquisitions, net of cash acquired (259.4) (33.8) (508.4) Proceeds from sale of businesses and other assets 275.7 18.9 140.0 Net cash used by investing activities (60.1) (72.3) (422.5) Financing activities Repayment of long-term debt (343.3) (3.0) (42.9) Premium on early extinguishment of long-term debt (4.6) — (0.9) Proceeds from long-term debt 600.0 — 297.0 Debt financing costs (13.0) — (11.5) Borrowing under credit facilities 129.0 0.8 — Repayment under credit facilities (117.5) — — Purchase of common shares for treasury (131.6) (15.9) (73.6) Exercise of stock awards 7.3 15.1 6.9 Cash dividends paid (21.5) (16.9) (11.1) Proceeds from noncontrolling interests — 2.4 — Net cash provided (used) by financing activities 104.8 (17.5) 163.9 Effect of exchange rate changes on cash 1.5 1.0 (0.1) Increase (decrease) in cash and cash equivalents 155.2 18.1 (186.2) Cash and cash equivalents at beginning of year 210.0 191.9 378.1 Cash and cash equivalents at end of year $ 365.2 $ 210.0 $ 191.9 The accompanying notes to the consolidated financial statements are an integral part of these statements. As of December 31, 2013 and 2012, we had accrued $3.0 million and $2.3 million for interest and penalties, respectively. 70 POLYONE CORPORATION Although the timing and outcome of tax settlements are uncertain, it is reasonably possible that during the next 12 months a reduction in unrecognized tax benefits may occur up to $3.8 million based on the outcome of tax examinations and as a result of the expiration of various statues of limitations.

Net cash used in financing activities in 2012 reflects scheduled payments on our long-term debt of $3.0 million, repurchase of common shares for treasury of $15.9 million under our stock repurchase program and dividend payments of $16.9 million. POLYONE CORPORATION 45 Consolidated Statements of Cash Flows Year Ended December 31, (In millions) 2014 2013 2012 Operating activities Net income $ 78.4 $ 242.7 $ 71.8 Adjustments to reconcile net income to net cash provided by operating activities: Depreciation and amortization 123.9 109.8 69.8 Deferred income tax provision (45.2) 12.9 13.4 Debt extinguishment costs — 15.8 — Provision for doubtful accounts 0.4 0.2 0.3 Stock compensation expense 14.2 16.5 10.4 Gain on sale of business (1.2) (223.7) — Income related to previously owned equity affiliates — (26.9) (23.4) Changes in assets and liabilities, net of the effect of acquisitions and divestitures: Decrease in accounts receivable 24.4 26.9 1.2 Decrease (increase) in inventories 28.4 20.4 (3.0) (Decrease) increase in accounts payable (15.2) (16.6) 16.8 Increase (decrease) in pension and other post-retirement benefits 30.0 (124.5) (41.7) (Decrease) increase in accrued expenses and other assets and liabilities (29.7) 55.5 (8.7) Net cash provided by operating activities 208.4 109.0 106.9 Investing activities Capital expenditures (92.8) (76.4) (57.4) Business acquisitions, net of cash acquired (47.2) (259.4) (33.8) Proceeds from sale of businesses and other assets 28.2 275.7 18.9 Net cash used by investing activities (111.8) (60.1) (72.3) Financing activities Repayment of long-term debt (8.0) (343.3) (3.0) Premium on early extinguishment of long-term debt — (4.6) — Proceeds from long-term debt — 600.0 — Debt financing costs — (13.0) — Borrowing under credit facilities 168.6 129.0 0.8 Repayment under credit facilities (122.8) (117.5) — Purchase of common shares for treasury (233.2) (131.6) (15.9) Exercise of stock awards 6.9 7.3 15.1 Cash dividends paid (29.9) (21.5) (16.9) Proceeds from noncontrolling interests — — 2.4 Net cash (used) provided by financing activities (218.4) 104.8 (17.5) Effect of exchange rate changes on cash (4.8) 1.5 1.0 (Decrease) increase in cash and cash equivalents (126.6) 155.2 18.1 Cash and cash equivalents at beginning of year 365.2 210.0 191.9 Cash and cash equivalents at end of year $ 238.6 $ 365.2 $ 210.0 The accompanying notes to the consolidated financial statements are an integral part of these statements. 46 POLYONE CORPORATION Consolidated Statements of Shareholders’ Equity Common Shares Shareholders’ Equity (In millions) Common Shares Common Shares Held in Treasury Common Shares Additional Paid-in Capital Retained Earnings (Deficit) Common Shares Held in Treasury Accumulated Other Comprehensive (Loss) Total PolyOne shareholders’ equity Non- controlling Interests Total equity Balance at January 1, 2012 122.2 (33.4) $ 1.2 $ 1,042.7 $ (84.9) $ (369.4) $ (1.3) $ 588.3 — $ 588.3 Net income (loss) 71.9 71.9 (0.1) 71.8 Other comprehensive income (loss) (9.8) (9.8) (9.8) Noncontrolling interest activity 2.4 2.4 Cash dividends declared (17.8) (17.8) (17.8) Repurchase of common shares (1.2) (15.9) (15.9) (15.9) Stock-based compensation and exercise of awards 1.9 (8.8) 21.2 12.4 12.4 Balance at December 31, 2012 122.2 (32.7) $ 1.2 $ 1,016.1 $ (13.0) $ (364.1) $ (11.1) $ 629.1 $ 2.3 $ 631.4 Net income (loss) 243.8 243.8 (1.1) 242.7 Other comprehensive income (loss) (3.7) (3.7) (3.7) Noncontrolling interest activity 0.5 0.5 Shares issued in connection with acquisitions 10.0 136.6 117.2 253.8 253.8 Cash dividends declared (5.4) (19.2) (24.6) (24.6) Repurchase of common shares (5.0) (131.6) (131.6) (131.6) Stock-based compensation and exercise of awards 0.6 2.5 7.5 10.0 10.0 Balance at December 31, 2013 122.2 (27.1) $ 1.2 $ 1,149.8 $ 211.6 $ (371.0) $ (14.8) $ 976.8 $ 1.7 $ 978.5 Net income (loss) 79.2 79.2 (0.8) 78.4 Other comprehensive income (loss) (27.5) (27.5) (27.5) Cash dividends declared (31.1) (31.1) (31.1) Repurchase of common shares (6.3) (233.2) (233.2) (233.2) Stock-based compensation and exercise of awards 0.5 5.6 6.5 12.1 12.1 Balance at December 31, 2014 122.2 (32.9) $ 1.2 $ 1,155.4 $ 259.7 $ (597.7) $ (42.3) $ 776.3 $ 0.9 $ 777.2 The accompanying notes to the consolidated financial statements are an integral part of these statements. As of December 31, 2014 and 2013, we had $8.6 million and $3.0 million accrued for interest and penalties, respectively.

SUPPLIERS AVIENT CUSTOMERS M in im izi ng En vironm ental, Health, Safety, Security & S o cia l Im p a cts PRODUCT STEWARDSHIP INNOVATE MANUFACTURE SELL USE REUSE In many instances, we have gone beyond basic legal requirements, such as our achieving Responsible Care® certification and implementation of the Product Safety Code.

PolyOne Introduces Excelite™ IM Chemical Foaming Additives for Injection Molding

M in im izi ng En vironm ental, Health, Safety, Secu rity & S o cia l Im p a cts PRODUCT STEWARDSHIP INNOVATE MANUFACTURE SELL USE REUSE In many instances, we have gone beyond basic legal requirements, such as our achieving Responsible Care® certification and implementation of the Product Safety Code.

POLYONE CORPORATION 35 Consolidated Statements of Cash Flows Year Ended December 31, (In millions) 2018 2017 2016 Operating activities Net income (loss) $ 159.5 $ (57.6) $ 165.0 Adjustments to reconcile net income (loss) to net cash provided by operating activities: Loss on sale of business, net of tax — 227.7 — Depreciation and amortization 88.5 97.4 100.5 Accelerated depreciation and fixed asset charges associated with restructuring activities 3.0 0.9 5.4 Gain from sale of closed facilities — (3.6) — Deferred income tax (benefit) expense (4.8) (1.4) 10.5 Debt extinguishment costs 1.1 0.3 0.4 Share-based compensation expense 10.9 10.2 8.4 Changes in assets and liabilities, net of the effect of acquisitions: Increase in accounts receivable (11.3) (44.7) (17.6) (Increase) decrease in inventories (10.6) (41.1) 0.8 Increase in accounts payable 7.9 52.2 12.4 Increase (decrease) in pension and other post-retirement benefits 4.8 (9.6) (43.2) Increase (decrease) in accrued expenses and other assets and liabilities - net 4.7 (28.3) (15.0) Net cash provided by operating activities 253.7 202.4 227.6 Investing activities Capital expenditures (76.0) (79.6) (84.2) Business acquisitions, net of cash acquired (98.6) (163.8) (164.2) Proceeds from the sale of business and other assets 4.3 124.0 13.0 Net cash used by investing activities (170.3) (119.4) (235.4) Financing activities Borrowings under credit facilities 1,152.9 1,472.9 1,031.9 Repayments under credit facilities (1,090.3) (1,417.0) (1,032.7) Purchase of common shares for treasury (123.0) (70.7) (86.2) Cash dividends paid (56.1) (44.1) (40.2) Repayment of other debt (16.4) — — Repayment of long-term debt (6.5) (6.5) (6.0) Payments on withholding tax on share awards (4.1) (4.7) (5.1) Debt financing costs (4.6) (2.6) (2.0) Net proceeds from long-term debt — — 100.0 Net cash used by financing activities (148.1) (72.7) (40.3) Effect of exchange rate changes on cash (8.0) 6.6 (5.0) (Decrease) increase in cash and cash equivalents (72.7) 16.9 (53.1) Cash and cash equivalents at beginning of year 243.6 226.7 279.8 Cash and cash equivalents at end of year $ 170.9 $ 243.6 $ 226.7 The accompanying notes to the consolidated financial statements are an integral part of these statements. POLYONE CORPORATION36 Consolidated Statements of Shareholders' Equity Common Shares Shareholders’ Equity (In millions) Common Shares Common Shares Held in Treasury Common Shares Additional Paid-in Capital Retained Earnings Common Shares Held in Treasury Accumulated Other Comprehensive Loss Total PolyOne shareholders' equity Non- controlling Interests Total equity Balance at January 1, 2016 122.2 (36.9) $ 1.2 $ 1,155.6 $ 367.1 $ (748.4) $ (71.3) $ 704.2 $ 1.0 $ 705.2 Net income 165.2 165.2 (0.2) 165.0 Other comprehensive loss (22.9) (22.9) (22.9) Cash dividends declared (41.1) (41.1) (41.1) Repurchase of common shares (3.0) (86.2) (86.2) (86.2) Share-based compensation and exercise of awards 0.3 1.5 4.0 5.5 5.5 Balance at December 31, 2016 122.2 (39.6) $ 1.2 $ 1,157.1 $ 491.2 $ (830.6) $ (94.2) $ 724.7 $ 0.8 $ 725.5 Net (loss) income (57.7) (57.7) 0.1 (57.6) Other comprehensive gain 41.2 41.2 41.2 Cash dividends declared (46.9) (46.9) (46.9) Repurchase of common shares (2.0) (70.7) (70.7) (70.7) Share-based compensation and exercise of awards 0.3 4.4 3.0 7.4 7.4 Other 0.5 $ 0.5 $ 0.5 Balance at December 31, 2017 122.2 (41.3) $ 1.2 $ 1,161.5 $ 387.1 $ (898.3) $ (53.0) $ 598.5 $ 0.9 $ 599.4 Net income 159.8 159.8 (0.3) 159.5 Other comprehensive loss (29.3) (29.3) (29.3) Cash dividends declared (57.5) (57.5) (57.5) Repurchase of common shares (3.4) (123.0) (123.0) (123.0) Share-based compensation and exercise of awards 0.2 5.4 2.6 8.0 8.0 Other (16.5) (16.5) (16.5) Balance at December 31, 2018 122.2 (44.5) $ 1.2 $ 1,166.9 $ 472.9 $ (1,018.7) $ (82.3) $ 540.0 $ 0.6 $ 540.6 The accompanying notes to the consolidated financial statements are an integral part of these statements.

Measurement period adjustments recorded to the Consolidated Statements of Income were not material for the year ended December 31, 2023. 43 AVIENT CORPORATION (In millions) Preliminary Allocation as of 9/1/2022 Measurement Period Adjustments Final Allocation Cash and cash equivalents $ 50.7 — $ 50.7 Accounts receivable 52.2 1.8 54.0 Inventories 136.2 (8.1) 128.1 Other current assets 2.0 1.7 3.7 Property 361.9 (15.5) 346.4 Intangible assets: Indefinite-lived trade names 254.9 — 254.9 Customer relationships 198.7 20.0 218.7 Patents, technology, and other 275.1 — 275.1 Goodwill 277.1 129.7 406.8 Other non-current assets 12.3 (0.1) 12.2 Accounts payable 32.2 — 32.2 Accrued expenses and other current liabilities 12.9 0.3 13.2 Deferred tax liabilities 86.1 129.9 216.0 Noncontrolling interests — 2.3 2.3 Other non-current liabilities 13.1 (3.0) 10.1 Total purchase price consideration $ 1,476.8 $ — $ 1,476.8 Finite-lived intangible assets acquired have a useful life range of 17 to 20 years. The weighted average discount rate used to measure our operating lease liabilities as of December 31, 2023 and 2022 were 5.0% and 4.8%, respectively. 48 AVIENT CORPORATION Future minimum lease payments under non-cancelable operating leases with initial lease terms longer than one year as of December 31, 2023 are as follows: Maturity Analysis of Lease Liabilities: (In millions) 2023 2024 $ 20.3 2025 13.8 2026 10.1 2027 8.2 2028 4.8 Thereafter 12.3 Total $ 69.5 Less amount of lease payment representing interest (9.7) Total present value of lease payments $ 59.8 Note 8 — INVENTORIES, NET Components of Inventories, net as of December 31, 2023 and 2022 are as follows: (In millions) 2023 2022 Finished products $ 166.0 $ 157.7 Work in process 19.8 22.7 Raw materials and supplies 161.2 192.3 Inventories, net $ 347.0 $ 372.7 Note 9 — PROPERTY, NET Components of Property, net as of December 31, 2023 and 2022 are as follows: (In millions) 2023 2022 Land and land improvements $ 98.5 $ 103.5 Buildings 439.8 432.2 Machinery and equipment 1,381.1 1,325.3 Property, gross 1,919.4 1,861.0 Less accumulated depreciation (890.5) (811.8) Property, net $ 1,028.9 $ 1,049.2 Depreciation expense, including accelerated depreciation associated with restructuring actions, from continuing operations was $109.0 million in 2023, $98.9 million in 2022 and $85.5 million in 2021. 49 AVIENT CORPORATION Note 10 — OTHER BALANCE SHEET LIABILITIES Other current and non-current liabilities as of December 31, 2023 and 2022 consist of the following: Accrued expenses and other current liabilities Other non-current liabilities (In millions) 2023 2022 2023 2022 Employment costs $ 119.8 $ 123.4 $ 12.6 $ 8.9 Deferred compensation — — 31.7 25.3 Restructuring costs 35.0 36.7 — — Environmental liabilities 32.1 27.4 125.1 90.9 Accrued taxes 45.5 121.5 — — Accrued interest 33.6 35.5 — — Dividends payable 23.5 22.5 — — Unrecognized tax benefits 3.0 0.6 16.4 26.3 Derivatives — — 199.1 68.6 Accrued capitalized software 10.0 — — — Other 12.7 28.2 9.5 15.5 Total $ 315.2 $ 395.8 $ 394.4 $ 235.5 Note 11 — EMPLOYEE BENEFIT PLANS All U.S. qualified defined benefit pension plans are frozen, no longer accrue benefits and are closed to new participants.