Principal LifeTime 2055 Fund

The fund operates as a "target date fund" that invests according to an asset allocation strategy designed for investors having a retirement investment goal close to the year in 2055. It is a fund of funds and invests in underlying funds of Principal Exchange-Traded Funds (“PETF”) and Principal Funds, Inc. (“PFI”). Its underlying funds consist of domestic and foreign equity funds, fixed-income funds, real asset funds, and other funds that aim to offer diversification beyond traditional equity and fixed-income securities.