EXHIBIT 1
JOINT FILING AGREEMENT
This will confirm the agreement by and among all the
undersigned that the Schedule 13D filed on or about this date and any
amendments thereto with respect to the beneficial ownership by the
undersigned of shares of common stock, $1.00 par value per share, of
Northrop Grumman Corporation is being filed on behalf of each of the
undersigned in accordance with Rule 13d-1(k)(1). This agreement may be
executed in two or more counterparts, each of which shall be deemed an
original, but all of which together shall constitute one and the same
instrument.
Date: April 13, 2001 UNITRIN, INC.
By: /s/ ▇▇▇▇ ▇. ▇▇▇▇▇
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Name: ▇▇▇▇ ▇. ▇▇▇▇▇
Title: Senior Vice President, Chief
Financial Officer and Treasurer
Date: April 13, 2001, TRINITY UNIVERSAL INSURANCE COMPANY
By: /s/ Trinity Universal Insurance Company
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Name: ▇▇▇▇▇ ▇▇▇▇▇▇▇
Title: Assistant Vice President
Date: April 13, 2001, UNITED INSURANCE COMPANY OF AMERICA
By: /s/ United Insurance Company of America
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Name: ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇
Title: Vice President
