Consent of Randy Lee Bergstrom

I consent  to the  filing of the form of my tax  opinion  as an  exhibit  to the
Registration  Statement on Form N-14 of  Principal  Investors  Fund,  Inc. to be
filed with the Securities and Exchange Commission on or about March 16, 2005 and
to the reference made to me therein and in any amendment thereto.

/s/ Randy Lee Bergstrom
Randy Lee Bergstrom
711 High Street
Des Moines, Iowa  50392-0200
March 15, 2005