Huntington Ingalls Industries — May 5, 2026 release

See Exhibit B for definitions and reconciliations. HII 4101 Washington Ave. • Newport News, VA 23607 www.HII.com Page 3 of 12 HII Financial Outlook 1 • Reaffirming FY26 and medium term outlook • Medium term 2 HII revenue growth of approximately 6% • Medium term 2 shipbuilding revenue growth of approximately 6% • Medium term 2 Mission Technologies revenue growth of approximately 5% • FY26 shipbuilding revenue between $9.7 and $9.9 billion; expect shipbuilding operating margin 3 between 5.5% and 6.5% • FY26 Mission Technologies revenue between $3.0 and $3.2 billion, • FY26 Mission Technologies segment operating margin of approximately 5%; and Mission Technologies EBITDA margin 3 between 8.4% and 8.6% • FY26 free cash flow 3 between $500 and $600 million FY26 Outlook 1 Shipbuilding Revenue $9.7B - $9.9B Shipbuilding Operating Margin 3 5.5% - 6.5% Mission Technologies Revenue $3.0B - $3.2B Mission Technologies Segment Operating Margin ~5% Mission Technologies EBITDA Margin 3 8.4% - 8.6% Operating FAS/CAS Adjustment ($44M) Non-current State Income Tax Expense 4 ~($20M) Interest Expense ($105M) Non-operating Retirement Benefit $213M Effective Tax Rate ~17% Depreciation & Amortization ~$330M Capital Expenditures 4% - 5% of Sales Free Cash Flow 3 $500M - $600M 1 The financial outlook, expectations, and other forward-looking statements provided by the company for 2026 and beyond reflect the company's judgment based on the informatio