Robert Rubin in his statement, said:"We intend to complete our search for a new CEO as expeditiously as possible, reviewing qualified CEO candidates from outside as well as within our organization. In the interim, we have in Win an acting CEO who has had a distinguished and successful career in the financial industry, serving as Chairman of Schroders plc before joining Citi in 2000 with the acquisition of Schroders' investment banking business by a Citi predecessor company. Most recently, he has chaired our growing businesses in Europe, the Middle East and Africa.
"In addition, a new unit, the sole focus of which will be on managing the assets related to sub-prime mortgage securities and their resultant exposures, has been established. This unit will be separate from the other parts of our capital markets and banking business," Mr. Rubin said.
The company also stated that it may write off between $8 billion and $11 billion to reflect the declining value of subprime-mortgage-related securities since Sept. 30.
Citigroup said it expects to write down $5 billion to $7 billion after taxes -- roughly three or four months of profit -- for its $55 billion of exposure to U.S. subprime mortgages.