0001021408-01-500799 10-Q 6 20010331 20010510 NORTHROP GRUMMAN CORP /DE/ 0001133421 3812 954840775 DE 1231 10-Q 34 001-16411 1628929 1840 CENTURY PK E C/O NORTHROP GRUMMAN CORP LOS ANGELES CA 90067 3105536262 1840 CENTURY PARK EAST C/O NORTHROP GRUMMAN CORP LOS ANGELES CA 90067 NNG INC 20010129 10-Q 1 d10q.htm FORM 10-Q 3/31/2001 EX-3.2 2 dex32.txt CERTIFICATE OF AMENDMENT OF CERTIFICATE OF INCORP. EX-4.5 3 dex45.txt SUPPLEMENTAL INDENTURE DATED APRIL 13, 1998 EX-4.7 4 dex47.txt SUPPLEMENTAL INDENTURE DATED DECEMBER 12, 1991 EX-15 5 dex15.htm LETTER FROM INDEPENDENT ACCOUNTANTS 10-Q 6 d3013310q1.pdf CLIENT SUPPLIED PDF OF BASE 10-Q