Scope 3 emissions are many times greater than our combined Scope 1 and 2 emissions. Approximately 90% of our Scope 3 emissions come from purchased goods and services and downstream processing of sold products (55% and 24% respectively). These partnerships will be leveraged to further improve the accuracy of our Scope 3 values along with our ability to take action and track progress toward future emissions reduction goals.

2-3% 2-3% 2-3%

Special items, after tax (Attachment 3) Attachment 3 Tax benefit on special items (Attachment 3)

3) Compensation for Mr. Annual Plan payments, if earned, are contingent 106,827 (2) 854,615 (2) 1,709,230 (2) 390,000 (3) 780,000 (3) 1,560,000 (3) 2/4/2015 22,234 66,700 (5) 930,020 2/4/2015 24,000 (6) 918,480 45,892 (2) 367,135 (2) 734,270 (2) 109,500 (3) 219,000 (3) 438,000 (3) 2/4/2015 6,234 18,700 (5) 260,740 2/4/2015 6,700 (6) 256,409 S.D. 3) Except for Mr.

3) Messrs. On July 3, 2017 Mr. 3) In connection with Mr.

Avient CDP Climate Change Questionnaire 2021 Tuesday, August 3, 2021 53 By 2030, 100% of Avient’s technology platform projects will deliver sustainable solutions that enable our customers’ innovation goals. Purchased feedstock Percentage of Scope 3, Category 1 tCO2e from purchased feedstock Explain calculation methodology Carbon black 3 Purchased carbon black data was obtained in weight. This was multiplied by Avient's total scope 3 emissions to identify HP's contribution.

Attachment 3 Tax adjustments (Attachment 3) Tax adjustments (Attachment 3)

Attachment 3 Tax adjustments (Attachment 3) Tax adjustments (Attachment 3)

Attachment 3 Tax adjustments (Attachment 3) Tax adjustments (Attachment 3)

February 3, 2016 Feb. 3, 2016 Attachment 3