Exhibit 99.1 DuPont Reports First Quarter 2024 Results • Net Sales of $2.9 billion decreased 3%; organic sales decreased 6% versus year-ago period • GAAP Income from continuing operations of $183 million; operating EBITDA of $682 million • GAAP EPS from continuing operations of $0.41; adjusted EPS of $0.79 • Cash provided by operating activities from continuing operations of $493 million; adjusted free cash flow of $286 million • $500 million accelerated share repurchase (ASR) transaction launched in Februa ...