Exhibit 99.1 News Release Lockheed Martin Reports Third Quarter 2025 Financial Results BETHESDA, Md., Oct. 21, 2025 – Lockheed Martin Corporation [NYSE: LMT] today reported third quarter 2025 sales of $18.6 billion, compared to$17.1 billion in the third quarter of 2024. Net earnings in the third quarter of 2025 were $1.6 billion, or$6.95 per share, compared to $1.6 billion, or$6.80 per share, in the third quarter of 2024. Cash from operations was $3.7 billion in the third quarter of 2025, compared to$2. ...