GREEN (FDA) 484-1071-1 GEON E7853 WHITE TYPE 1 ZHEA EBONY ADX5017 25:1

DP 9049-1-1000 DP 9050-1-1000 DP 9051-1-1000

X ET-17847-001-1 Natural X ET-17847-002-1 Natural X GT-18060-1-1

If you want to minimize the effect, use a high concentration color in a 50-to-1 let down ratio. Concentrate let-down ratios as low as 10-to-1 and as high as 100-to-1 are possible depending on the process and desired result. However, anything over a 25-to-1 ratio requires special attention and handling.

If you want to minimize the effect, use a high concentration color in a 50-to-1 let down ratio. Concentrate let-down ratios as low as 10-to-1 and as high as 100-to-1 are possible depending on the process and desired result. However, anything over a 25-to-1 ratio requires special attention and handling.

PC WHITE Q610-1-1 X ET-453881C03 Sage Gray HI UV NM 1 X 45691-0002A-01-1

To listen to this recording, dial 1-855-859-2056 (domestic) or 1-404-537-3406 (international) and provide conference ID number 5289238. Special items, before tax(1) Special items, tax adjustments(1)

July 1, 2020 July 1, 2020 Attachment 1

March 1, 2018 Swanson, Director, Investor Relations, PolyOne Corporation, +1 440-930-1018, eric.swanson@avient.com, Media Contact: Kyle G. Rose, Vice President, Corporate Communications, PolyOne Corporation, +1 440-930-3162, kyle.rose@avient.com

May 1 Swanson, Director, Investor Relations, PolyOne Corporation, +1 440-930-1018, eric.swanson@avient.com; Media Contact: Kyle G. Rose, Vice President, Corporate Communications, PolyOne Corporation, +1 440-930-3162, kyle.rose@avient.com