Fargo, N.D.-based Noridian Mutual Insurance Co.'s operating results stabilized somewhat in first quarter 2014, though longer-term volatility remains possible. A loss and surplus decline in 2013 was mostly due to the write-off of subsidiary Noridian Healthcare Solutions LLC (NHS). We are affirming our 'BBB+' counterparty credit and financial strength ratings on Noridian and removing the ratings from CreditWatch with negative implications. The negative outlook reflects the possibility that capital and earnings could be hurt by potential NHS-related litigation. NEW YORK (Standard&Poor's) May 30, 2014--Standard&Poor's Ratings Services said today that it has affirmed its 'BBB+' counterparty credit and financial strength ratings on Noridian Mutual Insurance Co. (d/b/a Blue Cross Blue Shield of North Dakota) and removed the