U.K.-based food services provider Compass Group PLC (Compass) continues to deliver strong operating performance, with credit metrics consistently above our guidance for the current rating. At the same time, macroeconomic conditions remain uncertain, particularly in Europe. We are revising our outlook on Compass to positive from stable and affirming our 'A-' long-term corporate credit and issue ratings on the company. The positive outlook reflects our view that rating upside could arise should Compass sustain strong operating performance alongside credit metrics at current levels. On March 6, 2012, Standard&Poor's Ratings Services revised its outlook on U.K.-based food services provider Compass Group PLC (Compass) to positive from stable. At the same time, we affirmed our 'A-' long-term corporate credit rating