...Wells Fargo Bank Master Servicer (WFBMS) has been providing master servicing functions since 1988. The master servicer is part of the Corporate Trust Services (CTS) that falls under the wholesale banking division of Wells Fargo and Company (WF&C). For the period under review, the master servicer completed several changes to take advantage of its best practices and shared functionalities across the various platforms within CTS. The rating affirmation of `RMS1' with a Stable Rating Outlook is based on the master servicer's highly effective operation and leadership and experienced senior management team, its continued technology initiatives, and its effective servicer transition planning. The master servicer maintains its primary servicing sites in Columbia and Frederick, MD, Houston, TX, and Minneapolis, MN. As of June 30, 2015, WFBMS master serviced 1,431,500 loans totaling $276.4 billion. During the review period, WFBMS acquired 39 new private residential mortgage-backed servicer (RMBS)...