Consent of Carolyn Kolks

I consent  to the  filing of the forms of my tax  opinions  as  exhibits  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 9, 2005 and
to the reference made to me therein and in any amendment thereto.

/s/ Carolyn Kolks

Carolyn Kolks
711 High Street
Des Moines, Iowa  50392-0200
March 9, 2005