LONDON (Standard&Poor's) Feb. 12, 2013--Standard&Poor's Ratings Services said today that its ratings on Barclays Bank PLC (A+/Negative/A-1) are unaffected by the company's fourth-quarter results, which were broadly in line with our expectations, and the announcement of details of its new strategy. We acknowledge that Barclays has maintained reasonably resilient operating performance in the two quarters since it announced penalties in relation to the setting of interbank offered rates in late June 2012, which in turn led to changes in senior management. Reported total income net of insurance claims was about 12% lower in the second half of 2012 compared with the first half, while impairment charges were about 4% lower over the same period. Bottom-line earnings