Agreement and Amendment (April 19th, 2013)
Celanese Corporation, its Subsidiaries and its Affiliates ("Employer"), and Douglas M. Madden, his/her heirs, executors, administrators, successors, and assigns ("Executive"), agree that:
CELANESE US HOLDINGS LLC, as Successor to BCP Caylux Holdings Luxembourg S.C.A. (March 27th, 2007)
Third Supplemental Indenture (this Supplemental Indenture), dated as of March 21, 2007, among Celanese US Holdings LLC, a Delaware limited liability company (Celanese LLC) (formerly BCP Crystal US Holdings Corp., a Delaware corporation (US Holdco), the successor to BCP Caylux Holdings Luxembourg S.C.A., a Luxembourg partnership limited by shares (BCP Caylux)), Celanese Holdings LLC, a Delaware limited liability company, as parent guarantor (the Parent Guarantor) (formerly BCP Crystal Holdings Ltd. 2, a Cayman Island exempt company (BCP Crystal)), the entities set forth in the schedule hereto (collectively, the New Guarantors) and The Bank of New York, as trustee (the Trustee).