| 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: April 16, 2012 |
| (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)) | |
| Page 2 | |
| Item 7.01 | Regulation FD Disclosure |
| This report is filed quarterly to disclose assets under management (“AUM”) by asset manager, | |
| prior to the availability of Principal Financial Group, Inc's (the "Company") quarterly earnings | |
| release. The amounts presented herein will be consistent with the format of AUM by asset manager | |
| and presented again in such format within the Company's financial supplement for the quarter | |
| ended March 31, 2012 when that document is posted to the Company's investor relations web site | |
| on or about April 26, 2012. AUM may include assets managed directly and pursuant to dual | |
| employment agreements among affiliated companies. | |
| As of March 31, 2012, the assets under management by asset manager were $242.2 billion for | |
| Principal Global Investors and $56.6 billion for Principal International. | |
| 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: April 16, 2012 | |