Huntington Ingalls Industries (HII) official guidance

| Capital Expenditures | 4% - 5% of Sales | ~$500M |

This represents approximately $500 million-$600 million of investment to drive capacity and throughput.

| Capital Expenditures | 4% - 5% of Sales | 4% - 5% of Sales |

| Capital Expenditures | 4% - 5% of Sales |

We expect 2026 capital expenditures to be approximately 4%-5% of sales.

| Capital Expenditures | 4% - 5% of Sales |

Also we're on track to increase distributed shipbuilding by 30% this year.

For Mission Technologies, we expect revenues between $3 billion and $3.2 billion and margins of approximately 5%, with EBITDA margins between 8.4% and 8.6%.

| Effective Tax Rate | ~17% | ~17% |

Regarding the effective tax rate, we believe it is prudent to use our tax rate of 21% for the third quarter, though we still believe 17% is appropriate for 2026, with an expected research and development tax credit expected in the fourth quarter at the end of the year.

| Effective Tax Rate | ~17% | ~17% |

Regarding the effective tax rate, we believe it's prudent to use a tax rate of 21% for the second quarter, though we still believe 17% is appropriate for 2026, with an expected research and development tax credit coming later this year.

| Effective Tax Rate | ~17% |

This includes an anticipated 2026 effective tax rate of approximately 17%.

| Effective Tax Rate | ~17% |

This does mean that we expect significant free cash flow generation in the fourth quarter to meet our guidance for the full year of between $500 million and $600 million. We are reiterating that outlook and do expect meaningful positive cash impacts from contract advances and incentives, as well as favorable cash tax impacts in the fourth quarter.

As far as opportunity sets, I mean, obviously, there's opportunities and risks around that, but we're reaffirming the guide for the end of the year at $500 million-$600 million, and we'll keep you informed as we move forward here.

Our free cash flow outlook for 2026 is between $500 million and $600 million.

•FY26 Mission Technologies segment operating margin of approximately 6%; and Mission Technologies EBITDA margin2 of approximately 9%

We are reiterating all other aspects of our guidance for 2026, including the expectations for Mission Technologies revenue of between $3 billion and $3.2 billion and Mission Technologies segment operating margins of approximately 5%.

| Mission Technologies Segment Operating Margin | ~5% | ~5% |

For Mission Technologies, we expect revenues between $3 billion and $3.2 billion and margins of approximately 5%, with EBITDA margins between 8.4% and 8.6%.

Given this momentum and our plans to deliver five ships over the next year, we are raising our 2026 shipbuilding revenue guidance to between $10.2 billion and $10.4 billion, and our 2026 shipbuilding margin guidance to between 6% and 6.5%.

We did have some sales driven by material timing move into 2025 that were expected in 2026, so our current year outlook for shipbuilding revenues is between $9.7 and $9.9 billion, and shipbuilding margins in the range of 5.5%-6.5%.

•FY26 Mission Technologies revenue between $3.0 and $3.2 billion

We are reiterating all other aspects of our guidance for 2026, including the expectations for Mission Technologies revenue of between $3 billion and $3.2 billion and Mission Technologies segment operating margins of approximately 5%.

| Mission Technologies Revenue | $3.0B - $3.2B | $3.0B - $3.2B |

| Mission Technologies Revenue | $3.0B - $3.2B |

For Mission Technologies, we expect revenues between $3 billion and $3.2 billion and margins of approximately 5%, with EBITDA margins between 8.4% and 8.6%.

| Mission Technologies Revenue | $3.0B - $3.2B |

•FY26 shipbuilding revenue between $10.5 and $10.7 billion; expect shipbuilding operating margin2 between 6.0% and 6.5%

Given this momentum and our plans to deliver five ships over the next year, we are raising our 2026 shipbuilding revenue guidance to between $10.2 billion and $10.4 billion, and our 2026 shipbuilding margin guidance to between 6% and 6.5%.

| Shipbuilding Revenue | $9.7B - $9.9B | $10.2B - $10.4B |

FY26 shipbuilding revenue between $9.7 and $9.9 billion; expect shipbuilding operating margin3 between 5.5% and 6.5%

We did have some sales driven by material timing move into 2025 that were expected in 2026, so our current year outlook for shipbuilding revenues is between $9.7 and $9.9 billion, and shipbuilding margins in the range of 5.5%-6.5%.

| Shipbuilding Revenue | $9.7B - $9.9B |

| Depreciation & Amortization | ~$330M | ~$330M |

| Depreciation & Amortization | ~$330M |

| Depreciation & Amortization | ~$330M |

| Mission Technologies EBITDA Margin2 | 8.4% - 8.6% | 8.4% - 8.6% |

FY26 Mission Technologies segment operating margin of approximately 5%; and Mission Technologies EBITDA margin3 between 8.4% and 8.6%

| Mission Technologies EBITDA Margin3 | 8.4% - 8.6% |

| Free Cash Flow2 | $500M - $600M | $500M - $600M |

FY26 free cash flow3 between $500 and $600 million

| Free Cash Flow3 | $500M - $600M |

| Interest Expense | ($105M) | ($105M) |

| Interest Expense | ($105M) |

| Interest Expense | ($105M) |

| Non-current State Income Tax Expense3 | ~($20M) | ~($20M) |

| Non-current State Income Tax Expense4 | ~($20M) |

| Non-current State Income Tax Expense4 | ~($20M) |