Principal Financial Group agreed to acquire ABN AMRO Trust Services...

Principal Financial Group agreed to acquire ABN AMRO Trust Services, the U.S.-based pension and retirement business of ABN AMRO, according to Susan Houser, a spokeswoman for Principal. The deal is expected to close on Dec. 31; terms were not disclosed. ABN AMRO Trust Services provides defined contribution record-keeping and investment services in the United States to about 300 401(k) plans with $3.6 billion in assets. Principal currently has $58 billion in defined contribution assets under management.