We placed our long-term 'BB' sovereign credit ratings on the Republic of Portugal on CreditWatch with negative implications on Sept. 18, 2013. We are therefore placing our 'BB+' long-term corporate credit rating on Portuguese energy grid operator REN-Redes Energeticas Nacionais SGPS S.A (REN) on CreditWatch with negative implications. We are also affirming the short-term rating at 'B'. The CreditWatch placement mirrors that on the Republic of Portugal. On Sept. 20, 2013, Standard&Poor's Ratings Services placed its 'BB+' long-term corporate credit rating on Portuguese gas and electricity grid operator REN-Redes Energeticas Nacionais SGPS S.A. (REN) on CreditWatch with negative implications. We also placed our 'BB+' issue rating on REN's senior unsecured debt on CreditWatch with negative implications. We also