Joint Filing AgreementJoint Filing Agreement • May 16th, 2007 • Blackstone Capital Partners (Cayman) LTD 1 • Plastic material, synth resin/rubber, cellulos (no glass)
In accordance with Rule 13d-1(k) promulgated under the U.S. Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing with all other Reporting Persons (as such term is defined in the Schedule 13D referred to below) on behalf of each of them of a Statement on Schedule 13D (including amendments thereto) with respect to the Series A Common Stock, par value $0.0001 per share, of Celanese Corporation, a Delaware corporation, and that this Joint Filing Agreement may be included as an Exhibit to such joint filing. This Joint Filing Agreement may be executed in any number of counterparts, all of which together shall constitute one and the same instrument.
