EXHIBIT 12 LOCKHEED MARTIN CORPORATION COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES FOR THE QUARTER ENDED MARCH 31, 1996 (IN MILLIONS, EXCEPT RATIO) EARNINGS: Net earnings.............................................................. $272 Income tax expense........................................................ 159 Interest expense.......................................................... 71 Amortization of debt premium and discount, net............................ (1) Portion of rents representative of an interest factor..................... 15 ---- Adjusted earnings before taxes and fixed charges.......................... $516 ==== FIXED CHARGES: Interest expense.......................................................... $ 71 Amortization of debt premium and discount, net............................ (1) Portion of rents representative of an interest factor..................... 15 Capitalized interest...................................................... 1 ---- Total fixed charges....................................................... $ 86 ==== RATIO OF EARNINGS TO FIXED CHARGES........................................ 6.0 ====