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SECURITIES AND EXCHANGE COMMISSION 
Washington, D.C. 20549
_________________________
 
FORM 8-K
CURRENT REPORT
 
Pursuant to Section 13 or 15(d) of the
Securities Exchange Act of 1934
Date of Report: December 9, 2010
(Date of earliest event reported)
 
PRINCIPAL FINANCIAL GROUP, INC. 
(Exact name of registrant as specified in its charter)

 

Delaware  1-16725  42-1520346 
(State or other jurisdiction  (Commission file number)  (I.R.S. Employer 
of incorporation)    Identification Number) 

 

                                                 711 High Street, Des Moines, Iowa 50392
                                                    (Address of principal executive offices)
 
                                                                         (515) 247-5111
                                          (Registrant’s telephone number, including area code)
 
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the 
registrant under any of the following provisions: 
 
[      ]  Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) 
[      ]  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) 
[      ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 
  240.14d-2(b)) 
[      ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 
  240.13e-4(c)) 
_________________________

 



Item 2.02    Results of Operations and Financial Condition. 
 
The slide presentation attached hereto as Exhibit 99, and incorporated herein by reference, will be 
presented at Principal Financial Group, Inc.'s Investor Conference on December 9, 2010 and may 
be used by the company in various other presentations to investors. The slide presentation is 
furnished and not filed pursuant to instruction B.2 of Form 8-K. 
 
Item 7.01    Regulation FD Disclosure   
 
The slide presentation attached hereto as Exhibit 99, and incorporated herein by reference, will be 
presented at Principal Financial Group, Inc.'s Investor Conference on December 9, 2010 and may 
be used by the company in various other presentations to investors. The slide presentation is 
furnished and not filed pursuant to Instruction B.2 of Form 8-K. 
 
Item 9.01    Financial Statements and Exhibits   
 
Exhibit 99    Slide presentation presented at Principal Financial Group, Inc.'s Investor Conference 
                   on December 9, 2010. The slide presentation is furnished and not filed pursuant to 
                   Instruction B.2 of Form 8-K.   
 
 
                                                                    SIGNATURE
 
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused 
this report to be signed on its behalf by the undersigned thereunto duly authorized. 
 
 
                                              PRINCIPAL FINANCIAL GROUP, INC. 
 
                                                              By:               /s/ John Egan                                            
                                              Name:  John Egan 
                                              Title:     Vice President – Investor Relations 
 
 
Date: December 9, 2010   

 



  EXHIBIT INDEX 
 
 
EXHIBIT   
NUMBER  EXHIBIT 
 
99  Slide presentation presented at Principal Financial Group, Inc.'s Investor 
  Conference on December 9, 2010