DuPont — Nov 6, 2025 release

Remediation costs associated with divested businesses include environmental remediation costs including certain investigative, remediation, and restoration activities at sites where the Company once conducted operations or at sites where waste generated by the Company was disposed. Adjusted EPS is defined as Adjusted Earnings per common share - diluted. Management estimates amortization expense in 2025 associated with intangibles to be about $290 million on a pre-tax basis, or approximately $0.50 per share. The Company's measure of profit/loss for segment reporting purposes is Operating EBITDA as this is the manner in which the Company's chief operating decision maker ("CODM") assesses performance and allocates resources. The Company defines Operating EBITDA as earnings (i.e., “Income from continuing operations before income taxes") before interest, depreciation, amortization, non-operating pension / OPEB benefits / charges, and foreign exchange gains / losses, excluding Future Reimbursable Indirect Costs, and adjusted for significant items. Reconciliations of these measures are provided on the following pages. Subsequent to the spin-off of Qnity and beginning with the fourth quarter of 2025, the Company updated its Operating EBITDA definition to remove remediation costs associated with divested businesses as it believes the update to Operating EBITDA reflects a more accurate measure of the ongoing performance of the Company.  6 Non-GAAP Financial Measures (continued) Operating EBITDA Margin is defined as Operating EBITDA divided by Net Sales. Incremental Margin is the change in Operating EBITDA divided by the change in Net Sales for the applicable period. Significant items are item