485BPOS:	Post-effective amendment filed pursuant to Securities Act Rule 485(b)
497:	Definitive materials filed under Securities Act Rule 497 (supplement or definitive prospectus)

Principal Funds, Inc. ("PFI") August 31 Fiscal Year End

PFI Classes A, C & P Shares - August 31 Fiscal Year End

+PRINCIPAL FUNDS filed this 497 on 03/26/2012
+PRINCIPAL FUNDS filed this 497 on 02/16/2012
+PRINCIPAL FUNDS filed this 485BPOS on 01/19/2012

PFI Class J Shares - August 31 Fiscal Year End

+PRINCIPAL FUNDS filed this 497 on 03/26/2012
+PRINCIPAL FUNDS filed this 497 on 02/15/2012
+PRINCIPAL FUNDS filed this 485BPOS on 01/19/2012

PFI Class Institutional Shares - August 31 Fiscal Year End

+PRINCIPAL FUNDS filed this 497 on 03/26/2012
+PRINCIPAL FUNDS filed this 497 on 02/15/2012
+PRINCIPAL FUNDS filed this 485BPOS on 01/19/2012

PFI Classes R1, R2, R3, R4 & R5 Shares - August 31 Fiscal Year End

+PRINCIPAL FUNDS filed this 497 on 03/26/2012
+PRINCIPAL FUNDS filed this 485BPOS on 01/19/2012

Principal Funds, Inc. ("PFI") October 31 Fiscal Year End

PFI Classes A, B, C & P Shares - October 31 Fiscal Year End

+PRINCIPAL FUNDS filed this 497 on 05/03/2012
+PRINCIPAL FUNDS filed this 497 on 04/12/2012
+PRINCIPAL FUNDS filed this 497 on 04/02/2012
+PRINCIPAL FUNDS filed this 497 on 03/26/2012
+PRINCIPAL FUNDS filed this 485BPOS on 03/20/2012

PFI Class J Shares - October 31 Fiscal Year End

+PRINCIPAL FUNDS filed this 497 on 05/03/2012
+PRINCIPAL FUNDS filed this 485BPOS on 03/20/2012

PFI Class Institutional Shares - October 31 Fiscal Year End

+PRINCIPAL FUNDS filed this 497 on 05/03/2012
+PRINCIPAL FUNDS filed this 497 on 04/12/2012
+PRINCIPAL FUNDS filed this 497 on 03/26/2012
+PRINCIPAL FUNDS filed this 485BPOS on 03/20/2012

PFI Classes R1, R2, R3, R4 & R5 Shares - October 31 Fiscal Year End

+PRINCIPAL FUNDS filed this 497 on 05/03/2012
+PRINCIPAL FUNDS filed this 485BPOS on 03/20/2012

Principal Variable Contracts Funds, Inc. ("PVC") December 31 Fiscal Year End

PVC Classes 1 and 2 - December 31 Fiscal Year End

+PRINCIPAL FUNDS filed this 485BPOS on 05/17/2012