FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION _____________________ WASHINGTON, D.C. 20549 | OMB APPROVAL | |---------------------| INITIAL STATEMENT OF |OMB NUMBER: 3235-0104| BENEFICIAL OWNERSHIP OF SECURITIES |EXPIRES: | | SEPTEMBER 30, 2001| Filed pursuant to Section 16(a) of the |ESTIMATED AVERAGE | Securities Exchange Act of 1934, |BURDEN HOURS | Section 17(a) of the Public Utility |PER RESPONSE..... 0.5| Holding Company Act of 1935 |_____________________| or Section 30(f) of the Investment Company Act of 1940 - --------------------------------------------------------------------------- 1. Name and Address of Reporting Person Unitrin, Inc. - --------------------------------------------------------------------------- (Last) (First) (Middle) One East Wacker Drive - --------------------------------------------------------------------------- (Street) Chicago IL 60601 - --------------------------------------------------------------------------- (City) (State) (Zip) - --------------------------------------------------------------------------- 2. Date of Event Requiring Statement (Month/Day/Year) May 16, 2001 - --------------------------------------------------------------------------- 3. I.R.S. Identification Number of Reporting Person, if an entity (voluntary) - --------------------------------------------------------------------------- 4. Issuer Name and Ticker or Trading Symbol Northrop Grumman Corporation (formerly NNG, Inc.) NOC - --------------------------------------------------------------------------- 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) ( ) Director ( X ) 10% Owner ( ) Officer (give title below) ( ) Other (specify title below) - --------------------------------------------------------------------------- 6. If Amendment, Date of Original (Month/Day/Year) - --------------------------------------------------------------------------- 7. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person --- Form filed by More than One Reporting Person --- =========================================================================== TABLE I - NON-DERIVATIVE SECURITIES BENEFICIALLY OWNED ------------------------------------------------------------------------- |1. Title of Security|2. Amount of |3. Ownership |4. Nature of | | (Instr. 4) | Securities | Form: Direct| Indirect | | | Beneficially| (D) or | Beneficial | | | Owned | Indirect (I)| Ownership | | | (Instr. 4) | (Instr. 5) | (Instr. 5) | |--------------------|---------------|---------------|--------------------| Common Stock 4,329,189 I By Trinity Universal Insurance Company, a wholly-owned subsidiary Common Stock 3,336,092 I By United Insurance Company of America, a wholly-owned subsidiary =========================================================================== TABLE II - DERIVATIVE SECURITIES BENEFICIALLY OWNED (E.G., PUTS, CALLS, WARRANTS, OPTIONS, CONVERTIBLE SECURITIES) - --------------------------------------------------------------------------- 1. Title of Derivative Security (Instr. 4) Series B Convertible Preferred Stock - --------------------------------------------------------------------------- 2. Date Exercisable and Expiration Date (Month/Day/Year) See note 1 below. See note 1 below. ------------------------ ------------------------- Date Exercisable Expiration Date - --------------------------------------------------------------------------- 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) Common Stock 1,617,140 --------------------------- ------------------------------- Title Amount or Number of Shares - --------------------------------------------------------------------------- 4. Conversion or Exercise Price of Derivative Security $109.7534 - --------------------------------------------------------------------------- 5. Ownership Form of Derivative Security: Direct(D) or Indirect(I) (Instr. 5) 1,462,314 D 312,498 I By Trinity Universal Insurance Company, a wholly-owned subsidiary - --------------------------------------------------------------------------- 6. Nature of Indirect Beneficial Ownership (Instr. 5) See above in Item 5 of this table. =========================================================================== EXPLANATION OF RESPONSES: 1. The Series B Convertible Preferred Stock is convertible into Common Stock at a conversion price of $109.7534. The conversion price is subject to adjustment in the event of certain dividends and distributions; a reclassification; a merger, consolidation or sale of substantially all of the issuer's assets; liquidation or distribution and certain other events. The Series B Convertible Preferred Stock first became convertible on May 16, 2001. It is mandatorily redeemable for cash on April 4, 2021. UNITRIN, INC. By: /s/ David F. Bengston May 23, 2001 ------------------------------- --------------------- Name: David F. Bengston DATE Title: Vice President ** SIGNATURE OF REPORTING PERSON - ----------------------------- ** INTENTIONAL MISSTATEMENTS OR OMISSIONS OF FACTS CONSTITUTE FEDERAL CRIMINAL VIOLATIONS. SEE 18 U.S.C. 1001 AND 15 U.S.C. 78ff(a). NOTE: FILE THREE COPIES OF THIS FORM, ONE OF WHICH MUST BE MANUALLY SIGNED. IF SPACE IS INSUFFICIENT, SEE INSTRUCTION 6 FOR PROCEDURE. POTENTIAL PERSONS WHO ARE TO RESPOND TO THE COLLECTION OF INFORMATION CONTAINED IN THIS FORM ARE NOT REQUIRED TO RESPOND UNLESS THE FORM DISPLAYS A CURRENTLY VALID OMB NUMBER. ===========================================================================