Experian® is the leading global information services company, providing data and analytical tools to clients in more than 65 countries. The company helps businesses to manage credit risk, prevent fraud, target marketing offers and automate decision making. Experian also helps individuals to check their credit report and credit score, and protect against identity theft. Experian plc is listed on the London Stock Exchange (EXPN) and is a constituent of the FTSE 100 index. Total revenue for the year ended 31 March 2009 was $3.9 billion. Experian employs approximately 15,000 people in 40 countries and has its corporate headquarters in Dublin, Ireland, with operational headquarters in Nottingham, UK; Costa Mesa, California; and São Paulo, Brazil.