497 1 abcpsupp-xbrl091412.htm XBRL ABCP PROSPECTUS SUPP DTD 09/14/12 abcpsupp-xbrl091412.htm - Generated by SEC Publisher for SEC Filing


September 26, 2012


Securities and Exchange Commission




Re:       Principal Funds, Inc.

File Nos. 033-59474, 811-07572

Interactive data files for previous 497 filing


Pursuant to Rule 497 under the Securities Act of 1933, as amended, Principal Funds, Inc. (“the Registrant”) is filing interactive data files that relate to the supplement the Registrant filed on September 14, 2012 (SEC Accession No. 0000898745-12-000608) and now is incorporating by reference.





Exhibit No.                                                                                     Exhibits


Ex-101.INS                                                        XBRL Instance Document


Ex-101.SCH                                                      XBRL Taxonomy Extension Schema Document


Ex-101.CAL                                                       XBRL Taxonomy Extension Calculations Linkbase Document


Ex-101.DEF                                                      XBRL Taxonomy Extension Definition Linkbase Document


Ex-101.LAB                                                       XBRL Taxonomy Extension Labels Linkbase Document


Ex-101.PRE                                                      XBRL Taxonomy Extension Presentation Linkbase Document