DuPont de Nemours, Inc.

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 / other post-employment benefits (“OPEB”) / charges, and foreign exchange gains / losses, excluding costs related to activities the Company will or continues to undertake post-closing of the Aramids Divestiture and Electronics Separation, and for which it is or will be reimbursed (“Future Reimbursable Indirect Costs”), environmental remediation costs, including certain investigate, remediate and restoration costs, associated with discontinued or divested operations, businesses or product lines (“Corporate DDOB Remediation Costs”), and is adjusted for significant items.

Healthcare & Water Technologies

1. Organic sales (which includes both volume and selling price impacts), is defined as the change in net sales, absent the impacts from currency and portfolio. DuPont believes this information is useful to investors and management in understanding ongoing operations and in analysis of ongoing operating trends.

Healthcare & Water Technologies net sales were $806 million for the three months ended March 31, 2026, up 6 percent compared to $763 million for the three months ended March 31, 2025. Net sales increased due to a 3 percent increase in organic sales and 3 percent increase from favorable currency impacts. Organic sales growth in Healthcare & Water Technologies was driven by Healthcare Technologies, partially offset by decrease in organic sales growth for Water Technologies. Within Healthcare Technologies, organic sales gains were driven by broad-based volume growth led by medical packaging and biopharma. Organic sales declines in Water Technologies were driven by logistics disruptions in the Middle East, partially offset by strength in industrial water and microelectronics markets. The favorable currency impact was driven by the weakening of the U.S. dollar compared to the Euro.

Operating EBITDA was $244 million for the three months ended March 31, 2026, up 9 percent compared with $223 million for the three months ended March 31, 2025, primarily due to the impact of organic growth, favorable mix and manufacturing productivity.

Diversified Industrials

1. Organic sales (which includes both volume and selling price impacts), is defined as the change in net sales, absent the impacts from currency and portfolio. DuPont believes this information is useful to investors and management in understanding ongoing operations and in analysis of ongoing operating trends.

Diversified Industrials net sales were $875 million for the three months ended March 31, 2026, up 3 percent from $849 million for the three months ended March 31, 2025. Net sales increased due to a 3 percent increase from favorable currency impacts. Organic sales growth were flat in Diversified Industrials as organic growth in Industrial Technologies, was offset by a decrease in organic sales in Building Technologies. Industrial Technologies organic sales growth was led by strength in aerospace and automotive markets, partially offset by declines in printing and packaging. Building Technologies decline in organic sales was due to ongoing weakness in construction markets. The favorable currency impact was driven by the weakening of the U.S. dollar compared to the Euro.

Operating EBITDA was $200 million for the three months ended March 31, 2026, up 8 percent compared with $185 million for the three months ended March 31, 2025, primarily due to manufacturing productivity and favorable mix.