MetLife, Inc.’s (MET) unit, Metropolitan Tower Life Insurance Company, recently inked a deal with the American multinational conglomerate, 3M. As a result, the MetLife subsidiary will assume defined benefit pension obligations of around $2.5 billion and deliver annuity benefits to roughly 23,000 retirees and beneficiaries of the 3M Employee Retirement Income Plan. A group annuity contract was bought from Metropolitan Tower Life this month. However, the monthly pension benefits received by retirees, their sp ...