Covenants of TEPPCO Entities. During the period from the date of this Agreement and continuing until the TEPPCO Effective Time, each of the TEPPCO Entities agrees as to itself and the TEPPCO Subsidiaries that without the written consent of Enterprise, which shall not be unreasonably withheld, delayed or conditioned (except as expressly contemplated or permitted by this Agreement or a correspondingly numbered subsection of the TEPPCO Disclosure Schedule):