Exhibit 99.1 Virgin Galactic Announces Fourth Quarter and Full Year 2023 Financial Results and Provides Business Update • Successfully Flew Six Human Spaceflights in Six Months in 2023 • 'Galactic 06' Mission Completed in January 2024 • Delta Class Spaceships On Track for Ground and Flight Testing in 2025 and Commercial Service in 2026 ORANGE COUNTY, CALIFORNIA. – February 27, 2024 – Virgin Galactic Holdings, Inc. (NYSE: SPCE) (“Virgin Galactic” or the "Company”) today announced its financial results for th ...