0000893750-05-000040 3 2 20050119 20050119 20050119 Jenkins Benjamin J 0001314272 3 34 001-32410 05537560 972-443-4000 1601 W. LBJ FREEWAY DALLAS TX 75234 Celanese CORP 0001306830 2810 980420726 DE 1231 1601 W. LBJ FREEWAY DALLAS TX 75234 972-443-4000 1601 W. LBJ FREEWAY DALLAS TX 75234 Blackstone Crystal Holdings Capital Partners (Cayman) IV Ltd. 20041022 3 1 form3_ex.xml X0202 3 2005-01-19 1 0001306830 Celanese CORP CE 0001314272 Jenkins Benjamin J C/O THE BLACKSTONE GROUP 345 PARK AVENUE NEW YORK NY 10154 1 0 0 0 Mr. Jenkins is associated with Blackstone LR Associates (Cayman) IV Ltd. ("BLRA"). BLRA may be deemed to be the beneficial owner of the shares of Series B common stock of Celanese Corporation for the following reason: 92,360,339 shares of Series B common stock of Celanese Corporation are owned by 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"). 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 owned by such Blackstone Funds. Blackstone Management Associates (Cayman) IV L.P. ("BMA") is the general partner of each of the Blackstone Funds and may, therefore, be deemed to be the beneficial owner of the share of Series B common stock held by the Cayman Entities. BLRA is the general partner of BMA and may, therefore, be deemed to be the beneficial owner of shares of Series B common stock held by the Cayman Entities. Mr. Jenkins disclaims beneficial ownership of shares of the Series B common stock that may be deemed beneficially owned by BLRA or any other affiliates of The Blackstone Group set forth above. This report shall not be deemed an admission that Mr. Jenkins is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act of 1934, as amended, or for any other purpose. Mai-Anh Nguyen as Attorney in Fact 2005-01-19 EX-24 2 poa.txt POWER OF ATTORNEY Exhibit 24 LIMITED POWER OF ATTORNEY FOR SECTION 16 REPORTING OBLIGATIONS Know all by these presents, that the undersigned hereby makes, constitutes and appoints Julie Chapin and Mai-Anh Nguyen, each of them, as the undersigned's true and lawful attorneys-in-fact, with full power and authority as hereinafter described on behalf of and in the name, place and stead of the undersigned to: (1) prepare, execute, acknowledge, deliver and file Forms 3, 4, and 5 (including any amendments thereto) with respect to the securities of Celanese Corporation, a Delaware corporation (the "Company"), with the United States Securities and Exchange Commission, any national securities exchanges, as considered necessary or advisable under Section 16(a) of the Securities Exchange Act of 1934 and the rules and regulations promulgated thereunder, as amended from time to time (the "Exchange Act"); (2) seek or obtain, as the undersigned's representative and on the undersigned's behalf, information on transactions in Celanese's securities from any third party, including brokers, employee benefit plan administrators and trustees, and the undersigned hereby authorizes any such person to release any such information to the undersigned and approves and ratifies any such release of information; and (3) perform any and all other acts which in the discretion of such attorney- in-fact are necessary or desirable for and on behalf of the undersigned in connection with the foregoing. The undersigned acknowledges that: (1) this Power of Attorney authorizes, but does not require, such attorney- in-fact to act in their discretion on information provided to such attorney- in-fact without independent verification of such information; (2) any documents prepared and/or executed by such attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney will be in such form and will contain such information and disclosure as such attorney-in-fact, in his or her discretion, deems necessary or desirable; (3) neither Celanese nor such attorney-in-fact assumes (i) any liability for the undersigned's responsibility to comply with the requirement of the Exchange Act, (ii) any liability of the undersigned for any failure to comply with such requirements, or (iii) any obligation or liability of the undersigned for profit disgorgement under Section 16(b) of the Exchange Act; and (4) this Power of Attorney does not relieve the undersigned from responsibility for compliance with the undersigned's obligations under the Exchange Act, including without limitation the reporting requirements under Section 16 of the Exchange Act. The undersigned hereby gives and grants the foregoing attorney-in-fact full power and authority to do and perform all and every act and thing whatsoever requisite, necessary or appropriate to be done in and about the foregoing matters as fully to all intents and purposes as the undersigned might or could do if present, hereby ratifying all that such attorney-in-fact of, for and on behalf of the undersigned, shall lawfully do or cause to be done by virtue of this Limited Power of Attorney. This Power of Attorney shall remain in full force and effect until revoked by the undersigned in a signed writing delivered to such attorney-in-fact. IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of the date set forth below. /s/Benjamin J. Jenkins Signature Benjamin J. Jenkins Dated: January 10, 2005 Witness: /s/ Angelo Acconcis Signature Angelo Acconcis Type or Print Name Dated: January 10, 2005