On May 15, 2012, Standard&Poor's Rating Services published new criteria that link short-term and long-term ratings for corporate issuers through the use of liquidity descriptors. In accordance with the new criteria, we are raising our short-term corporate credit rating on Ireland-based airport operator Dublin Airport Authority PLC (DAA) to 'A-2' from 'A-3'. At the same time, we are affirming our 'BBB' long-term corporate credit and issue ratings on DAA. The negative outlook reflects our view that DAA's financial risk profile could deteriorate if passenger levels decline and/or Ireland's economic and political conditions weaken. LONDON (Standard&Poor's) May 23, 2012--Standard&Poor's Ratings Services said today that it raised its short-term corporate credit rating on Ireland-based airport operator
