Opco Senior Notes Indenture means the Indenture for the Opco Senior Notes, dated as of August 18, 2016, among Hilton Escrow Issuer LLC and Hilton Escrow Issuer Corp. as the co-issuers, the guarantors listed party thereto from time to time and Wilmington Trust, National Association, as trustee, as amended or supplemented from time to time.
Opco Senior Notes Indenture means the Indenture, dated as of the Reference Date, among Opco (as successor to CD&R Waterworks Merger Sub, LLC), the subsidiary guarantors party thereto from time to time and Wilmington Trust, National Association, as trustee, governing the Opco Senior Notes, as amended, supplemented, waived or otherwise modified from time to time.