The comprehensive online publication highlights progress made toward Avient’s 2030 Sustainability Goals, along with other news and information on ESG matters. They use words such as “will,” “anticipate,” “estimate,” “expect,” “project,” “intend,” “plan,” “believe,” and other words and terms of similar meaning in connection with any discussion of future operating or financial condition, performance and/or sales. This is due to the inherent difficulty of forecasting the timing and amount of certain items, such as, but not limited to, restructuring costs, environmental remediation costs, acquisition related costs, and other non-routine costs.

For more information, visit www.avient.com. # # # https://www.avient.com/investors/ https://edge.media-server.com/mmc/p/eaivs28r https://edge.media-server.com/mmc/p/eaivs28r https://www.avient.com/investors/ http://www.avient.com/ 5 Forward-looking Statements In this press release, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. They use words such as “will,” “anticipate,” “estimate,” “expect,” “project,” “intend,” “plan,” “believe,” and other words and terms of similar meaning in connection with any discussion of future operating or financial condition, performance and/or sales. This is due to the inherent difficulty of forecasting the timing and amount of certain items, such as, but not limited to, restructuring costs, environmental remediation costs, acquisition related costs, and other non-routine costs.

This is due to the inherent difficulty of forecasting the timing and amount of certain items, such as, but not limited to, environmental remediation costs, mark-to-market adjustments associated with benefit plans, acquisition related costs, and other non-routine costs. For more information, visit https://www.avient.com. https://www.avient.com/news-events https://www.avient.com/ 4 Forward-looking Statements In this press release, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. They use words such as “will,” “anticipate,” “estimate,” “expect,” “project,” “intend,” “plan,” “believe,” and other words and terms of similar meaning in connection with any discussion of future operating or financial condition, performance and/or sales.

The new accounting standard is effective January 1, 2018 and requires all components of annual periodic pension and postretirement costs, other than service costs, to be presented below Operating Income. Accordingly, mark to market adjustments, interest cost and expected return on plan asset components are now included in Other Income (Expense). Description POLYONE CORPORATION 3 2013 to 2017 Recast GAAP Financial Information for the Adoption of ASU 2017-07 Q1 Q2 Q3 Q4 YTD Q1 Q2 Q3 Q4 YTD Q1 Q2 Q3 Q4 YTD Operating Income - As Previously Reported 56.3$ 73.1$ 55.5$ 58.1$ 243.0$ 56.0$ 49.3$ 57.9$ (12.6)$ 150.6$ 70.3$ 78.7$ 74.3$ 34.3$ 257.6$ Pension and Postretirement Adjustments: Interest Cost 6.1 6.1 6.1 6.2 24.5 6.4 6.4 6.4 6.4 25.6 5.5 5.5 5.5 5.4 21.9 Expected Return on Plan Assets (9.3) (9.3) (9.3) (9.5) (37.4) (8.1) (8.1) (8.0) (8.0) (32.2) (8.2) (8.2) (8.2) (8.1) (32.7) Mark to Market Adjustment - - - (44.0) (44.0) - - - 56.5 56.5 - - - 11.6 11.6 Operating Income - Recasted for ASU 2017-07 53.1$ 69.9$ 52.3$ 10.8$ 186.1$ 54.3$ 47.6$ 56.3$ 42.3$ 200.5$ 67.6$ 76.0$ 71.6$ 43.2$ 258.4$ Other Income (Expense), net - As Previously Reported 1.5$ (1.3)$ (1.5)$ -$ (1.3)$ (0.7)$ (0.4)$ (1.6)$ (1.4)$ (4.1)$ (0.6)$ (1.2)$ (1.7)$ 0.3$ (3.2)$ Pension and Postretirement Adjustments: Interest Cost (6.1) (6.1) (6.1) (6.2) (24.5) (6.4) (6.4) (6.4) (6.4) (25.6) (5.5) (5.5) (5.5) (5.4) (21.9) Expected Return on Plan Assets 9.3 9.3 9.3 9.5 37.4 8.1 8.1 8.0 8.0 32.2 8.2 8.2 8.2 8.1 32.7 Mark to Market Adjustment - - - 44.0 44.0 - - - (56.5) (56.5) - - - (11.6) (11.6) Other Income (Expense), net - Recasted for ASU 2017-07 4.7$ 1.9$ 1.7$ 47.3$ 55.6$ 1.0$ 1.3$ -$ (56.3)$ (54.0)$ 2.1$ 1.5$ 1.0$ (8.6)$ (4.0)$ Q1 Q2 Q3 Q4 YTD Q1 Q2 Q3 Q4 YTD Operating Income - As Previously Reported 70.4$ 81.8$ 72.0$ 62.1$ 286.3$ 84.0$ 80.0$ 67.7$ 45.8$ 277.5$ Pension and Postretirement Adjustments: Interest Cost 5.3 5.3 5.3 5.3 21.2 4.9 4.9 4.9 5.0 19.7 Expected Return on Plan Assets (7.9) (7.9) (7.8) (7.8) (31.4) (6.9) (6.9) (6.9) (7.0) (27.7) Mark to Market Adjustment - - - (8.4) (8.4) - - - 3.3 3.3 Operating Income - Recasted for ASU 2017-07 67.8$ 79.2$ 69.5$ 51.2$ 267.7$ 82.0$ 78.0$ 65.7$ 47.1$ 272.8$ Other Income (Expense), net - As Previously Reported -$ 0.1$ (0.1)$ 0.4$ 0.4$ (1.1)$ (1.4)$ (0.7)$ (0.9)$ (4.1)$ Pension and Postretirement Adjustments: Interest Cost (5.3) (5.3) (5.3) (5.3) (21.2) (4.9) (4.9) (4.9) (5.0) (19.7) Expected Return on Plan Assets 7.9 7.9 7.8 7.8 31.4 6.9 6.9 6.9 7.0 27.7 Mark to Market Adjustment - - - 8.4 8.4 - - - (3.3) (3.3) Other Income (Expense), net - Recasted for ASU 2017-07 2.6$ 2.7$ 2.4$ 11.3$ 19.0$ 0.9$ 0.6$ 1.3$ (2.2)$ 0.6$ 2013 2014 2015 2016 2017

We compete against other national independent resin distributors in North America, along with other regional distributors. All other debt is at fixed rates. OTHER INFORMATION None.

For more information, visit www.avient.com/. http://www.avient.com/ 5 Forward-looking Statements In this press release, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. They use words such as “will,” “anticipate,” “estimate,” “expect,” “project,” “intend,” “plan,” “believe,” and other words and terms of similar meaning in connection with any discussion of future operating or financial condition, performance and/or sales. This is due to the inherent difficulty of forecasting the timing and amount of certain items, such as, but not limited to, restructuring costs, environmental remediation costs, acquisition related costs, and other non-routine costs.

Others did not. OTHER INFORMATION None. OTHER INFORMATION ITEM 9C.

We compete against other national independent resin distributors in North America, along with other regional distributors. These costs are included in Other current and Other non-current assets and are being amortized over the life of their respective agreements. OTHER INFORMATION None.

We compete against other national independent resin distributors in North America, along with other regional distributors. These undiscounted amounts are included in Accrued expenses and other current liabilities and Other non-current liabilities on the accompanying Consolidated Balance Sheets. OTHER INFORMATION None.

We compete against other national independent resin distributors in North America, along with other regional distributors. These costs are included in Other current and Other non-current assets and are being amortized over the life of their respective agreements. OTHER INFORMATION None.