Bloomberg News
Citigroup CEO Michael Corbat

Citigroup (C - Get Report) CEO Michael Corbat said he has no immediate plans to name a new president to replace Jamie Forese, who is retiring.

Corbat made the comment during a conference call on Monday with Wall Street analysts. Last week, Corbat announced that Forese, who had served as the bank's No. 2 executive, plans to retire after 34 years with the bank and its predecessor companies.

Francisco Aristeguieta, who led the New York-based bank's business in the Asia Pacific region, also plans to depart for an outside opportunity. 

Citigroup on Monday posted better-than-expected results for the first quarter as a steep cut in the U.S. bank's effective corporate tax rate helped to offset a fall in stock-trading revenue.

The shares slipped 1.2% to $66.59 in trading Monday. 

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