DuPont — May 5, 2026 release

perating activities from continuing operations of $232 million; transaction-adjusted free cash flow of $147 million •    Completed the previously announced divestiture of the Aramids business on April 1st •    Announces $275 million accelerated share repurchase expected to be launched imminently WILMINGTON, Del., May 5, 2026 - DuPont (NYSE: DD) announced its financial results (1) for the first quarter ended March 31, 2026 and raised financial guidance for the full year 2026. “We delivered a strong start to the year, exceeding our financial guidance through disciplined commercial and operational execution” said Lori Koch, DuPont Chief Executive Officer. “Our teams remained focused on our customers and delivered organic growth, margin expansion, and double-digit adjusted EPS growth, along with solid cash flow generation in the quarter.” “Our strategic priorities are clear and we remain focused on value creation by serving our customers, driving commercial and operational excellence and allocating capital thoughtfully to deliver consistent performance to our shareholders,” Koch concluded. First Quarter 2026 Consolidated Results (1) Dollars in millions, except EPS 1Q’26 1Q’25 Change vs. 1Q’25 Organic Sales (2) vs. 1Q’25 Net sales $1,681 $1,612 4% 2% GAAP Income from continuing operations $150 $80 88% Operating EBITDA (2) $414 $360 15% Operating EBITDA margin (2) % 24.6 % 22.3 % 230 bps GAAP EPS from continuing op