NEW YORK–(BUSINESS WIRE)–Fitch Ratings has upgraded one class and affirmed 12 classes of LB-UBS Commercial Mortgage Trust (LBUBS) commercial mortgage pass-through certificates series 2005-C7. A detailed list of rating actions follows at the end of this press release. KEY RATING DRIVERS The upgrade and affirmations reflect increased credit enhancement relative to expected losses. Fitch’s expected losses totaled 6.4% of the remaining pool; expected losses on the original pool balance total 5.7%