Exhibit 99.1 News Release Second quarter revenues were $3.1 billion Second quarter net earnings were$152 million or $3.86 diluted earnings per share New contract awards of$11.9 billion, resulting in record backlog of $56.9 billion Entered into a strategic partnership with C3 AI to expand our use of digital technologies and apply artificial intelligence to accelerate shipbuilding throughput Reaffirming FY25 segment revenue and operating margin guidance 1 Second Quarter Results Second quarter 2025 revenues ...