It acquired Urban Bank in 2001 after the latter collapsed due to its closure by the Bangko Sentral ng Pilipinas.

It was placed under receivership by the Philippine Deposit Insurance Corporation (PDIC) on April 27, 2012, after it was closed by the Bangko Sentral ng Pilipinas on the basis of being insolvent.

Unionbank's prospective entry as a strategic investor in EIB was backed by the bank's uninsured depositors.

EIB had about P10.7 billion in uninsured deposits, a majority of whom—holding a combined deposit of P8.2 billion—had given special powers of attorney to a group called “Coalition of EIB Uninsured Depositors” seeking the rehabilitation of the bank as an alternative to liquidation.

[3] Union Bank proposed a scheme whereby P150,000 of every P1 million worth of deposits will be converted into equity in the parent company, the publicly listed Union Bank, Inc., while the remaining 85 percent would be converted to negotiable notes entitled to interest of one percent per annum.