Source: Bloomberg and Standard and Poor's
Market capitalisation and financial strength rating of Parent Group as at 8th April 2010.
*The rating highlighted is the long term credit rating as a financial strength rating is not available.

Standard and Poor's (S&P) is a ratings agency which provides ratings on the financial strength of companies. The highest rating possible is AAA with AA, A, BBB, etc. being lower financial strength ratings. In the chart above therefore, the AA- rating is a superior rating to A+.