Celanese CORP (Form: 3, Received: 01/20/2005 21:42:03)

Table I - Non-Derivative Securities Beneficially Owned
Series B common stock, par value $0.0001 per share	57051899	I	See footnotes ⁽¹⁾ ⁽²⁾ ⁽³⁾ ⁽⁴⁾ ⁽⁵⁾ ⁽⁶⁾ ⁽⁷⁾
Series B common stock, par value $0.0001 per share	3956714	I	See footnotes ⁽¹⁾ ⁽²⁾ ⁽³⁾ ⁽⁴⁾ ⁽⁵⁾ ⁽⁶⁾ ⁽⁷⁾
Series B common stock, par value $0.0001 per share	31018837	I	See footnotes ⁽¹⁾ ⁽²⁾ ⁽³⁾ ⁽⁴⁾ ⁽⁵⁾ ⁽⁶⁾ ⁽⁷⁾

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 B common stock, par value $0.0001 per share

57051899

See footnotes ⁽¹⁾ ⁽²⁾ ⁽³⁾ ⁽⁴⁾ ⁽⁵⁾ ⁽⁶⁾ ⁽⁷⁾

Series B common stock, par value $0.0001 per share

3956714

See footnotes ⁽¹⁾ ⁽²⁾ ⁽³⁾ ⁽⁴⁾ ⁽⁵⁾ ⁽⁶⁾ ⁽⁷⁾

Series B common stock, par value $0.0001 per share

31018837

See footnotes ⁽¹⁾ ⁽²⁾ ⁽³⁾ ⁽⁴⁾ ⁽⁵⁾ ⁽⁶⁾ ⁽⁷⁾

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)

1. Title of Derivate Security
(Instr. 4)

2. Date Exercisable and Expiration Date
(MM/DD/YYYY)

3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)

4. Conversion or Exercise Price of Derivative Security

5. Ownership Form of Derivative Security: 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

Other Joint Filers:                Blackstone Capital Partners (Cayman) IV L.P.,
                                   Blackstone Family Investment Partnership
                                   (Cayman) IV-A L.P., Blackstone Capital
                                   Partners (Cayman) IV-A L.P., Blackstone
                                   Chemical Coinvest Partners (Cayman) L.P.

Addresses:                         The principal business address of each of the
                                   Joint Filers above is c/o The Blackstone
                                   Group, 345 Park Avenue, New York, New York
                                   10154

Signatures:                        Blackstone Capital Partners (Cayman) IV L.P.

                                   By:  Blackstone Management Associates IV
                                        (Cayman) L.P., its general partner

                                        By:/s/ Robert L. Friedman
                                           ---------------------------------
                                           Name:  Robert L. Friedman
                                           Title: Director


                                   Blackstone Family Investment Partnership
                                   (Cayman) IV-A L.P.

                                   By:  Blackstone Management Associates IV
                                        (Cayman) L.P., its general partner

                                        By:  Blackstone LR Associates (Cayman)
                                             IV Ltd., its general partner

                                        By:/s/ Robert L. Friedman
                                           ---------------------------------
                                           Name:  Robert L. Friedman
                                           Title: Director


                                   Blackstone Capital Partners (Cayman)
                                   IV-A L.P.

                                   By:  Blackstone Management Associates IV
                                        (Cayman) L.P., its general partner

                                        By:  Blackstone LR Associates (Cayman)
                                             IV Ltd., its general partner

                                        By:/s/ Robert L. Friedman
                                           ---------------------------------
                                           Name:  Robert L. Friedman
                                           Title: Director


                                   Blackstone Chemical Coinvest Partners
                                   (Cayman) L.P.

                                   By:  Blackstone Management Associates IV
                                        (Cayman) L.P., its general partner

                                        By:  Blackstone LR Associates (Cayman)
                                             IV Ltd., its general partner

                                        By:/s/ Robert L. Friedman
                                           ---------------------------------
                                           Name:  Robert L. Friedman
                                           Title: Director

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

Explanation of Responses:
(1)	The 92,027,450 shares of Celanese Corporation's Series B common stock reported as beneficially owned in the above table reflects the 152.772947 for one common stock split, expected to be effected immediately after the consummation of the initial public offering by Celanese Corporation.
(2)	Blackstone Capital Partners (Cayman) Ltd. 1 ("Cayman 1"), Blackstone Capital Partners (Cayman) Ltd. 2 ("Cayman 2") and Blackstone Capital Partners (Cayman) Ltd. 3 ("Cayman 3" and, collectively with Cayman 1 and Cayman 2, the "Cayman Entities") respectively own 57,051,899, 3,956,714 and 31,018,837 shares of the Series B common stock reported as beneficially owned in the above table. Blackstone Capital Partners (Cayman) IV L.P. ("BCP IV") owns 100% of Cayman 1. Blackstone Family Investment Partnership (Cayman) IV-A L.P. ("BFIP") and Blackstone Capital Partners (Cayman) IV-A L.P. ("BCP IV-A") collectively own 100% of Cayman 2. Blackstone Chemical Coinvest Partners (Cayman) L.P. ("BCCP" and, collectively with BCP IV, BFIP and BCP IV-A, the "Blackstone Funds") owns 100% of Cayman 3. Each of the Blackstone Funds may be deemed to be the beneficial owner of the shares of Series B common stock held by the Cayman Entities (continued on footnote 3)
(3)	(continued from footnote 2) owned by such Blackstone Funds. Blackstone Management Associates (Cayman) IV L.P. ("BMA") is the general partner of each of the Blackstone Funds and, therefore, may be deemed to be the beneficial owner of the shares of Series B common stock held by the Cayman Entities. Blackstone LR Associates (Cayman) IV Ltd. ("BLRA") is the general partner of BMA and may, therefore, be deemed to be the beneficial owner of the shares of Series B common stock held by the Cayman Entities.
(4)	Messrs. Peter G. Peterson and Stephen A. Schwarzman are directors and controlling persons of BLRA and, as such, may be deemed to share beneficial ownership of the shares of Series B common stock held by the Cayman Entities.
(5)	Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in duplicate.
(6)	Information with respect to each of the Reporting Persons is given solely by such Reporting Persons, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person.
(7)	Pursuant to Rule 16a-1(a)(4) of the Securities Exchange Act of 1934, as amended, each of the Reporting Persons, other than the Cayman Entities, herein states that this filing shall not be deemed an admission that he or it is the beneficial owner of any of the shares of Series B common stock covered by this Statement. Each of BLRA, BMA, Messrs. Peter G. Peterson and Stephen A. Schwarzman disclaims beneficial ownership of the Series B common stock, except to the extent of its or his pecuniary interest in such shares of Series B common stock.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LP C/O THE BLACKSTONE GROUP 345 PARK AVENUE NEW YORK, NY 10154		X
BLACKSTONE CAPITAL PARTNERS CAYMAN IV LP C/O THE BLACKSTONE GROUP 345 PARK AVENUE NEW YORK, NY 10154		X
BLACKSTONE FAMILY INVESTMENT PARTNERSHIP CAYMAN IV-A LP C/O THE BLACKSTONE GROUP 345 PARK AVENUE NEW YORK, NY 10154		X
BLACKSTONE CAPITAL PARTNERS CAYMAN IV- A LP C/O THE BLACKSTONE GROUP 345 PARK AVENUE NEW YORK, NY 10154		X
Blackstone Chemical Coinvest Partners (Cayman) L.P. C/O THE BLACKSTONE GROUP 345 PARK AVENUE NEW YORK, NY 10154		X

Signatures
/s/ Robert L. Friedman, Director of Blackstone LR Associates (Cayman) IV Ltd. (See signatures of other Reporting Persons attached as Exhibit 99.1)		1/20/2005
^** Signature of Reporting Person		Date

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