National Union of Bank Employees (Nube) general secretary J Solomon has expressed concern following the announcement by Citigroup Inc of its intention to exit from its consumer operations in Malaysia and run its operations from other countries, including Singapore.

Saying that the bank failed to engage Nube prior to making the announcement and has been vague about the future of its staff, he called on Bank Negara to step in on the workers' behalf.

"In making this announcement, Citibank has...