LONDON (Standard&Poor's CreditWire) March 20, 2000--Standard&Poor's today announced that the ratings on Royal Bank of Scotland PLC (RBS) and its related entities remain on CreditWatch with positive implications, where they were placed on Nov. 30, 1999. At the same time, Standard&Poor's announced that its long-term ratings on National Westminster Bank PLC (NatWest) remain on CreditWatch, where they were placed on Sept. 24, 1999, with negative implications. The ratings on Ulster Bank Ltd. (Ulster Bank) and Ulster Bank Finance PLC also remain on CreditWatch with negative implications. See list below for ratings. The original CreditWatch actions on NatWest, Ulster Bank, and related entities followed Bank of Scotland's (BoS) bid to acquire NatWest on Sept. 24,