AB Bank (formerly Arab Bangladesh Bank) is a leading private sector bank in Bangladesh.AB Bank was established on 31 December 1981.This was the first joint venture private bank in Bangladesh. On 14 November 2007 Bangladesh bank approved the name change to AB Bank from Arab Bangladesh Bank. A former deputy managing director was charged with embezzling 3.25 billion taka from the bank. In February 2008, AB Bank was fined 100 million taka for violating securities law with excessive marginal loans. The majority of these loans from the merchant banking wing of AB Bank went to bank employees and their relatives.