Citigroup said it continues to cooperate with all of the investigations. Mark Costiglio, a spokesman for New York-based Citigroup, declined to comment on the Singapore request.
In the meantime, Bloomberg also reports that Deutsche Bank’s energy trading unit has denied manipulating power markets and told the U.S. Federal Energy Regulatory Commission it should drop a proposal that the bank pay a $1.5m fine and give up $123,198 in profit.
FERC’s enforcement staff, in a September 5th order, said Deutsche Bank Energy Trading LLC submitted false information related to its energy trading in California in early 2010.
'The legal position enforcement has taken here is radical', the unit of the Frankfurt-based bank said in a filing posted Tuesday on FERC’s website. 'If the commission does not abandon these deeply flawed allegations now, they will be overturned by a federal district court'.



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