497 1 xbrl-supplementfiling.htm PFI 10/31 FYE ABCP SUPP DTD 12/14/2012 - XBRL xbrl-supplementfiling.htm - Generated by SEC Publisher for SEC Filing


December 28, 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 December 14, 2012 (SEC Accession No. 0000012601-12-000145) 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