Principal Government & High Quality Bond Fund R-4 Class NMFQS:PMRDX

The fund invests at least 80% of its net assets, plus any borrowings for investment purposes, in debt securities issued by the U.S. government, its agencies or instrumentalities or debt securities that are rated, at the time of purchase, AAA by S&P Global or Aaa by Moody's, including but not limited to ABS, mortgage securities such as agency and non-agency collateralized mortgage obligations, and other obligations that are secured by mortgages or mortgage-backed securities.