Distressed Principal Balance With respect to any Payment Date, the sum, without duplication, of the UPB of Reference Obligations that meet any of the following criteria: (a) Reference Obligations that are 60 days or more delinquent; (b) Reference Obligations that are in foreclosure, bankruptcy, or REO status; or (c) Reference Obligations that were modified in the 12 months preceding the end of the related Reporting Period. DTC: The Depository Trust Company, a limited-purpose trust company, which holds securities for DTC Participants and facilitates the clearance and settlement of transactions between DTC participants through electronic book-entry changes in accounts of DTC participants. DTC Participants: Participants in the DTC System. DTC Notes: Notes cleared, settled and maintained on the DTC System, registered in the name of a nominee of DTC. All of the Notes will be DTC Notes at issuance.