OVERVIEW On Nov. 19, 2013, we published our updated methodology for rating nonsovereign entities above the sovereign. As a result, we are taking various rating actions on five financial market infrastructure companies that are affected by this criteria change. The five companies are: Belgium-based international securities depository Euroclear Bank S.A., U.K.-based London Stock Exchange Group PLC and its rated subsidiary LCH.Clearnet Group Ltd., Mexico-based clearinghouse Asigna Compensación y Liquidación, and Brazil-based BM&FBOVESPA. LONDON (Standard&Poor's) Nov. 27, 2013--Standard&Poor's Ratings Services today took the following rating actions: We placed on CreditWatch with negative implications the 'A-' long-term rating on U.K.-based London Stock Exchange Group PLC (LSEG) and the 'A+' long-term rating on its U.K.-based subsidiary, LCH.Clearnet Group Ltd.