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

OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response: 0.5

1. Name and Address of Reporting Person* SHAW CURTIS S (Last) (First) (Middle) C/O CELANESE CORPORATION 1601 W. LBJ FREEWAY (Street) DALLAS TX 75234 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 04/18/2005	3. Issuer Name and Ticker or Trading Symbol Celanese CORP [ CE ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) See attached Exhibit 99.1.	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. 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 (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)
Series A Common Stock	27,100	D

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
Non-Qualified Stock Option (Right to Buy)	(1)	04/18/2015	Series A Common Stock	74,000	$15.16	D
Non-Qualified Stock Option (Right to Buy)	(2)	04/18/2015	Series A Common Stock	111,000	$15.16	D
Stock Option (Right to Buy)	(3)	04/21/2005	Series A Common Stock	9,375	$16	D

Explanation of Responses:

1. Granted pursuant to the Company's 2004 Stock Incentive Plan. The option shares will vest, subject to continued employment, with respect to 20% on each of December 31, 2005, December 31, 2006, December 31, 2007, December 31, 2008, and December 31, 2009.

2. Granted pursuant to the Company's 2004 Stock Incentive Plan. The option shares will vest, subject to continued employment and achievement of certain performance targets, with respect to 30% of the option shares on December 31, 2005, with respect to 30% of the option shares on December 31, 2006, with respect to 15% of the option shares on December 31, 2007, and with respect to 25% of the option shares on December 31, 2008.

3. Upon his employment with the Company, Mr. Shaw received a right to purchase shares of Series A common stock at a purchase price of $16, which right expired when Mr. Shaw accepted the right to purchase shares offered at $7.20 per share, but did not exercise the right to purchase shares offered at $16 per share.

Remarks:

	Mai-Anh Nguyen, on behalf of Curtis S. Shaw	04/26/2005
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** 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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.