Exhibit 99.1 Union Pacific Reports First Quarter 2024 Results ● First quarter earnings per diluted share of $2.69, up 1% ● First quarter operating income up 3% ● First quarter net income up1% Omaha, Neb., April 25, 2024 – Union Pacific Corporation (NYSE: UNP) today reported 2024 first quarter net income of $1.6 billion, or $2.69 per diluted share. This compares to 2023 first quarter net income of $1.6 billion, or $2.67 per diluted share. “Our team delivered strong financial results in the first quarter as w ...