First National Bank Botswana (FNBB) was registered in 1991, as a wholly owned subsidiary of First National Bank Holdings (Botswana). Various acquisitions led to the Bank becoming a listed entity on the Botswana Stock Exchange in 1993. As at December 2011, FNBB is the largest company on the Botswana Stock Exchange by capitalization. The Bank has the largest balance sheet of all the Banks in Botswana totaling P12 billion and the largest advances book of all the Banks in Botswana over P8 billion. Despite being the newest entrant of the four largest banks in the country, FNBB has, with over 20 years of operation, become the most profitable Bank in Botswana with the most diversified balance sheet structured to achieve sustainable profits in all economic conditions.