Uncertainty persists regarding the U.K.'s future relationship with its most important trading partner, the EU. We are affirming our long-term sovereign credit ratings on the U.K. at 'AA'. The outlook remains negative. On April 26, 2019, S&P Global Ratings affirmed its unsolicited long- and short-term foreign and local currency sovereign credit ratings on the United Kingdom at 'AA/A-1+'. The outlook remains negative. At the same time, we affirmed our 'AA/A-1+' long- and short-term issuer credit ratings on the Bank of England (BoE) and our 'AA' ratings on the debt programs of Network Rail Infrastructure Finance PLC, The Channel Tunnel Rail Link Section 1 Finance PLC, and London Continental Railways PLC. The outlook on the long-term rating on the BoE remains