May 24 (Reuters) -
* MAS asked BSI Bank to impose penalties of $13.3 million
* MAS says conducting supervisory reviews of several other financial institutions and bank accounts through which suspicious transactions have taken place
* MAS says found considerable evidence of gross dereliction of duty and failure to discharge oversight responsibilities on the part of BSI Bank's senior management.
* MAS says refers former BSI CEO and former deputy CEO to public prosecutor to evaluate whether they have committed criminal offences Source text for Eikon: Further company coverage: (Reporting by Singapore bureau)