Exhibit 99.1 Earnings Release L3Harris Technologies Reports Strong Third Quarter 2024 Results, Increases 2024 Guidance Highlights* • Orders of $7.2 billion; book-to-bill of 1.4x • Revenue of $5.3 billion, up 8%, and 5% organically • Operating margin of 9.4%; adjusted segment operating margin of 15.7% • Diluted earnings per share (EPS) of $2.10; non-GAAP diluted EPS of $3.34 • 2024 revenue guidance range increased to $21.1B - $21.3B • 2024 adjusted segment operating margin guidance increased to ~15.5% • 2024 ...