SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* Blackstone Holdings III L.P. (Last) (First) (Middle) 345 PARK AVENUE (Street) NEW YORK NY 10154 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 06/18/2007	3. Issuer Name and Ticker or Trading Symbol TRW AUTOMOTIVE HOLDINGS CORP [ TRW ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common stock, par value $0.01 per share	46,060,285	I	See footnotes(1)(2)(3)(4)(5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person* Blackstone Holdings III L.P. (Last) (First) (Middle) 345 PARK AVENUE (Street) NEW YORK NY 10154 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Blackstone Holdings III GP L.L.C. (Last) (First) (Middle) 345 PARK AVENUE (Street) NEW YORK NY 10154 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Blackstone Group Management L.L.C. (Last) (First) (Middle) 345 PARK AVENUE (Street) NEW YORK NY 10154 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Blackstone Group L.P. (Last) (First) (Middle) 345 PARK AVENUE (Street) NEW YORK NY 10154 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. This Statement is being filed to add Blackstone Holdings III L.P., Blackstone Holdings III GP L.L.C., The Blackstone Group L.P. and Blackstone Group Management L.L.C. as Reporting Persons as the result of a structural reorganization in connection with the initial public offering of The Blackstone Group L.P. Automotive Investors L.L.C. directly owns the shares of common stock of TRW Automotive Holdings Corp. ("Common Stock") reported herein. Blackstone Capital Partners IV L.P. owns a majority of the membership interests of Automotive Investors L.L.C.

2. Blackstone Management Associates IV L.L.C. is the general partner of Blackstone Capital Partners IV L.P. Blackstone Holdings III L.P. is the managing member of Blackstone Management Associates IV L.L.C. Blackstone Holdings III GP L.L.C. is the general partner of Blackstone Holdings III L.P. The Blackstone Group L.P. is the managing member of Blackstone Holdings III GP L.L.C. Blackstone Group Management L.L.C. is the general partner of The Blackstone Group L.P. Messrs. Peter G. Peterson and Stephen A. Schwarzman are the founding members of Blackstone Group Management L.L.C.

3. Information with respect to each of the Reporting Persons is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person. Any disclosures made hereunder with respect to persons other than the Reporting Persons are made on information and belief after making appropriate inquiry.

4. Pursuant to Rule 16a-1(4) promulgated under the Securities Exchange Act of 1934, as amended, each of the Reporting Persons herein states that this filing shall not be deemed an admission that it is the beneficial owner of any of the shares of Common Stock covered by this Statement. Each of the Reporting Persons herein disclaims beneficial ownership of the shares of Common Stock covered by this Statement, except to the extent of its pecuniary interest in such shares of Common Stock.

5. Information with respect to Automotive Investors L.L.C., Blackstone Capital Partners IV L.P., Blackstone Management Associates IV L.L.C. and Messrs. Peter G. Peterson and Stephen A. Schwarzman may be found in a Form 4 filed on June 4, 2007.

Remarks:

See attached Joint Filer Information for signatures of other Reporting Persons.

	/s/ Robert L. Friedman, as Authorized Person of Blackstone Holdings III L.P.	06/28/2007
	** Signature of Reporting Person	Date
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