<html>
    <head>
        <title></title>
    </head>

    <body style="FONT-FAMILY: 'Times New Roman'" bgcolor="#ffffff">
        <div style="WIDTH: 600px">
            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: center">
            <b><font size="4">SECURITIES AND EXCHANGE COMMISSION</font></b></p>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: center">
            <b><font size="2">Washington, D.C. 20549</font></b></p>

            <p style="MARGIN-TOP: 12pt; MARGIN-BOTTOM: 18pt; TEXT-ALIGN: center">
            <font size="2">__________________</font></p>

            <p style="MARGIN-TOP: 6pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: center">
            <b><font size="4">FORM 8-K</font></b></p>

            <p style="MARGIN-TOP: 12pt; MARGIN-BOTTOM: 18pt; TEXT-ALIGN: center">
            <b><font size="2">CURRENT REPORT</font></b></p>

            <p style="MARGIN-TOP: 12pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: center">
            <b><font size="2">Pursuant to Section 13 or 15(d) of the</font></b></p>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: center">
            <b><font size="2">Securities Exchange Act of 1934</font></b></p>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: center">&nbsp;</p>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: center"><font size="2">Date
            of Report:</font> <b><font size="2">December 6, 2007</font></b></p>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 6pt; TEXT-ALIGN: center"><font size="2">(Date
            of earliest event reported)</font></p>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: center">&nbsp;</p>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: center">
            <b><font size="4">PRINCIPAL FINANCIAL GROUP, INC.</font></b></p>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: center">
            <font size="2">(Exact name of registrant as specified in its charter)</font></p>

            <p style="MARGIN-TOP: 12pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: left">&nbsp;</p>

            <div align="left">
                <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="653" border="0">
                    <tr>
                        <td style="PADDING-RIGHT: 5.4pt; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0in; PADDING-TOP: 0in" valign="top" width="218">
                            <p style="MARGIN-TOP: 12pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: normal; TEXT-ALIGN: center">
                            <b><font size="2">Delaware</font></b></p>
                        </td>

                        <td style="PADDING-RIGHT: 5.4pt; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0in; PADDING-TOP: 0in" valign="top" width="218">
                            <p style="MARGIN-TOP: 12pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: normal; TEXT-ALIGN: center">
                            <b><font size="2">1-16725</font></b></p>
                        </td>

                        <td style="PADDING-RIGHT: 5.4pt; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0in; PADDING-TOP: 0in" valign="top" width="218">
                            <p style="MARGIN-TOP: 12pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: normal; TEXT-ALIGN: center">
                            <b><font size="2">42-1520346</font></b></p>
                        </td>
                    </tr>

                    <tr>
                        <td style="PADDING-RIGHT: 5.4pt; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0in; PADDING-TOP: 0in" valign="top" width="218">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: normal; TEXT-ALIGN: center">
                            <font size="2">(State or other jurisdiction</font></p>

                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: normal; TEXT-ALIGN: center">
                            <font size="2">of incorporation)</font></p>
                        </td>

                        <td style="PADDING-RIGHT: 5.4pt; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0in; PADDING-TOP: 0in" valign="top" width="218">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: normal; TEXT-ALIGN: center">
                            <font size="2">(Commission file number)</font></p>
                        </td>

                        <td style="PADDING-RIGHT: 5.4pt; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0in; PADDING-TOP: 0in" valign="top" width="218">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: normal; TEXT-ALIGN: center">
                            <font size="2">(I.R.S. Employer</font></p>

                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: normal; TEXT-ALIGN: center">
                            <font size="2">Identification Number)</font></p>
                        </td>
                    </tr>
                </table>
            </div>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: center">&nbsp;</p>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: center">
            <b><font size="2">711 High Street, Des Moines, Iowa 50392</font></b></p>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: center">
            <font size="2">(Address of principal executive offices)</font></p>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: center">&nbsp;</p>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: center">
            <b><font size="2">(515) 247-5111</font></b></p>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: center">
            <font size="2">(Registrant&rsquo;s telephone number, including area code)</font></p>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: center">&nbsp;</p>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: left"><font size="2">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:</font></p>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: left">&nbsp;</p>

            <div align="left">
                <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="653" border="0">
                    <tr>
                        <td style="PADDING-RIGHT: 5.4pt; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0in; PADDING-TOP: 0in" valign="top" width="47">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: left">
                            <font size="2">[ ]</font></p>
                        </td>

                        <td style="PADDING-RIGHT: 5.4pt; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0in; PADDING-TOP: 0in" valign="top" width="606">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: left">
                            <font size="2">Written communications pursuant to Rule 425 under the
                            Securities Act (17 CFR 230.425)</font></p>
                        </td>
                    </tr>

                    <tr>
                        <td style="PADDING-RIGHT: 5.4pt; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0in; PADDING-TOP: 0in" valign="top" width="47">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: left">
                            <font size="2">[ ]</font></p>
                        </td>

                        <td style="PADDING-RIGHT: 5.4pt; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0in; PADDING-TOP: 0in" valign="top" width="606">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: left">
                            <font size="2">Soliciting material pursuant to Rule 14a-12 under the
                            Exchange Act (17 CFR 240.14a-12)</font></p>
                        </td>
                    </tr>

                    <tr>
                        <td style="PADDING-RIGHT: 5.4pt; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0in; PADDING-TOP: 0in" valign="top" width="47">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: left">
                            <font size="2">[ ]</font></p>
                        </td>

                        <td style="PADDING-RIGHT: 5.4pt; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0in; PADDING-TOP: 0in" valign="top" width="606">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: left">
                            <font size="2">Pre-commencement communications pursuant to Rule
                            14d-2(b) under the Exchange Act (17 CFR</font></p>

                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: left">
                            <font size="2">240.14d-2(b))</font></p>
                        </td>
                    </tr>

                    <tr>
                        <td style="PADDING-RIGHT: 5.4pt; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0in; PADDING-TOP: 0in" valign="top" width="47">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: left">
                            <font size="2">[ ]</font></p>
                        </td>

                        <td style="PADDING-RIGHT: 5.4pt; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0in; PADDING-TOP: 0in" valign="top" width="606">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: left">
                            <font size="2">Pre-commencement communications pursuant to Rule
                            13e-4(c) under the Exchange Act (17 CFR</font></p>

                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: left">
                            <font size="2">240.13e-4(c))</font></p>
                        </td>
                    </tr>
                </table>
            </div>

            <p style="MARGIN-TOP: 12pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: center">&nbsp;</p>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 6pt; TEXT-ALIGN: center">
            <font size="2">__________________</font></p>
            <!-- EEDocs PBStart-->

            <p style="PAGE-BREAK-BEFORE: always"></p>
            <!-- EEDocs PBEnd-->

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 6pt; TEXT-ALIGN: left"><b><font size="2">Item
            2.02</font></b><font size="1">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font>
            <b><font size="2">Results of Operations and Financial Condition.</font></b></p>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: left">&nbsp;</p>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: justify"><font size="2">The
            slide presentations attached hereto as Exhibits 99.1 and 99.2, and incorporated herein
            by reference, will be presented at Principal Financial Group, Inc.&rsquo;s Investor Day
            Conference on December 6, 2007 and may be used by the Company in various other
            presentations to investors. The slide presentations are furnished and not filed
            pursuant to instruction B.2 of Form 8-K.</font></p>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: justify">&nbsp;</p>

            <div align="left">
                <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="291" border="0">
                    <tr>
                        <td valign="top" nowrap width="96">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: justify">
                            <b><font size="2">Item 7.01</font></b></p>
                        </td>

                        <td valign="top" nowrap width="195">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: justify">
                            <b><font size="2">Regulation FD Disclosure</font></b></p>
                        </td>
                    </tr>
                </table>
            </div>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: justify">&nbsp;</p>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: justify"><font size="2">The
            slide presentations attached hereto as Exhibits 99.1 and 99.2, and incorporated herein
            by reference, will be presented at Principal Financial Group, Inc.&rsquo;s Investor Day
            Conference on December 6, 2007 and may be used by the Company in various other
            presentations to investors. The slide presentations are furnished and not filed
            pursuant to Instruction B.2 of Form 8-K.</font></p>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: justify">&nbsp;</p>

            <div align="left">
                <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="349" border="0">
                    <tr>
                        <td valign="top" nowrap width="96">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: justify">
                            <b><font size="2">Item 9.01</font></b></p>
                        </td>

                        <td valign="top" nowrap width="253">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: justify">
                            <b><font size="2">Financial Statements and Exhibits</font></b></p>
                        </td>
                    </tr>
                </table>
            </div>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: justify">&nbsp;</p>

            <div align="left">
                <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" border="0">
                    <tr>
                        <td valign="top" width="96">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: left">
                            <font size="2">Exhibit 99.1</font></p>
                        </td>

                        <td valign="top">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: justify">
                            <font size="2">Slide presentations presented at Principal Financial
                            Group, Inc.&rsquo;s Investor Day Conference on December 6, 2007. The
                            slide presentations are furnished and not filed pursuant to Instruction
                            B.2 of Form 8-K.</font></p>
                        </td>
                    </tr>
                </table>
            </div>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: justify">&nbsp;</p>

            <div align="left">
                <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" border="0">
                    <tr>
                        <td valign="top" width="96">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: left">
                            <font size="2">Exhibit 99.2</font></p>
                        </td>

                        <td valign="top">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: justify">
                            <font size="2">Additional slide concerning 2008 guidance presented at
                            Principal Financial Group, Inc.&rsquo;s Investor Day Conference on
                            December 6, 2007. The slide is furnished and not filed pursuant to
                            Instruction B.2 of Form 8-K.</font></p>
                        </td>
                    </tr>
                </table>
            </div>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: justify">&nbsp;</p>

            <p style="MARGIN-TOP: 12pt; MARGIN-BOTTOM: 3pt; TEXT-ALIGN: center">
            <font size="2">SIGNATURE</font></p>

            <p style="MARGIN-TOP: 12pt; MARGIN-BOTTOM: 12pt; TEXT-ALIGN: justify">
            <font size="2">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.</font></p>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: left">&nbsp;</p>

            <div align="left">
                <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="579" border="0">
                    <tr>
                        <td valign="top" nowrap width="288">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: left">
                            &nbsp;</p>
                        </td>

                        <td valign="top" nowrap width="291">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: left">
                            <font size="2">PRINCIPAL FINANCIAL GROUP, INC.</font></p>
                        </td>
                    </tr>
                </table>
            </div>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: left">&nbsp;</p>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: left">&nbsp;</p>

            <div align="left">
                <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="597" border="0">
                    <tr>
                        <td valign="top" nowrap width="288">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: left">
                            &nbsp;</p>
                        </td>

                        <td valign="top" nowrap width="48">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: left">
                            <font size="2">By:</font></p>
                        </td>

                        <td valign="top" nowrap width="261">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: left">
                            <u><font size="2">/s/ Tom Graf____________________</font></u></p>
                        </td>
                    </tr>
                </table>
            </div>

            <div align="left">
                <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="419" border="0">
                    <tr>
                        <td valign="top" nowrap width="288">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: left">
                            &nbsp;</p>
                        </td>

                        <td valign="top" nowrap width="48">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: left">
                            <font size="2">Name:</font></p>
                        </td>

                        <td valign="top" nowrap width="83">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: left">
                            <font size="2">Tom Graf</font></p>
                        </td>
                    </tr>
                </table>
            </div>

            <div align="left">
                <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" border="0">
                    <tr>
                        <td valign="top" width="288">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: left">
                            &nbsp;</p>
                        </td>

                        <td valign="top" width="48">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: left">
                            <font size="2">Title:</font></p>
                        </td>

                        <td valign="top">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: left">
                            <font size="2">Senior Vice President &ndash; Investor
                            Relations</font></p>
                        </td>
                    </tr>
                </table>
            </div>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 3in; TEXT-INDENT: 0.5in; TEXT-ALIGN: left">
            &nbsp;</p>

            <div align="left">
                <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="185" border="0">
                    <tr>
                        <td valign="top" nowrap width="48">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: left">
                            <font size="2">Date:</font></p>
                        </td>

                        <td valign="top" nowrap width="137">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: left">
                            <font size="2">December 6, 2007</font></p>
                        </td>
                    </tr>
                </table>
            </div>
            <!-- EEDocs PBStart-->

            <p style="PAGE-BREAK-BEFORE: always"></p>
            <!-- EEDocs PBEnd-->

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: center">
            <b><font size="2">EXHIBIT INDEX</font></b></p>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: left">&nbsp;</p>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: left">
            <font size="2">EXHIBIT</font></p>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: left">
            <u><font size="2">NUMBER_____________________________EXHIBIT________________________________</font></u></p>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: left">&nbsp;</p>

            <div align="left">
                <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="619" border="0">
                    <tr>
                        <td valign="top" nowrap width="16">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: left">
                            &nbsp;</p>
                        </td>

                        <td valign="top" nowrap width="80">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: left">
                            <font size="2">99.1</font></p>
                        </td>

                        <td valign="top" nowrap width="523">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: left">
                            <font size="2">Slide presentations presented at Principal Financial
                            Group, Inc.&rsquo;s Investor Day</font></p>
                        </td>
                    </tr>
                </table>
            </div>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0.5in; TEXT-INDENT: 0.5in; TEXT-ALIGN: left">
            <font size="2">Conference on December 6, 2007</font></p>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: left">&nbsp;</p>

            <div align="left">
                <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" border="0">
                    <tr>
                        <td valign="top" width="16">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: left">
                            &nbsp;</p>
                        </td>

                        <td valign="top" width="80">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: left">
                            <font size="2">99.2</font></p>
                        </td>

                        <td valign="top">
                            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; TEXT-ALIGN: left">
                            <font size="2">Additional slide concerning 2008 guidance presented at
                            Principal Financial Group, Inc.&rsquo;s Investor Day Conference on
                            December 6, 2007</font></p>
                        </td>
                    </tr>
                </table>
            </div>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: left">&nbsp;</p>

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: left">&nbsp;</p>
            <!-- EEDocs PBStart--><!-- EEDocs PBEnd-->

            <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: left">&nbsp;</p>
        </div>
    </body>
</html>
[{"type": "8-K", "sequence": "1", "filename": "investorday8-k.htm", "description": "INVESTOR DAY 2007  8-K", "secsgml_size_bytes": 26509}]
{"company-data": {"conformed-name": "PRINCIPAL FINANCIAL GROUP INC", "cik": "0001126328", "assigned-sic": "6321", "irs-number": "421520346", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-16725", "film-number": "071287630"}, "business-address": {"street1": "711 HIGH STREET", "city": "DES MOINES", "state": "IA", "zip": "50392-0300", "phone": "5152475111"}, "mail-address": {"street1": "711 HIGH STREET", "city": "DES MOINES", "state": "IA", "zip": "50392-0300"}}
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 6, 2007
(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
of incorporation)
(Commission file number)
(I.R.S. Employer
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 presentations attached hereto as Exhibits 99.1 and 99.2, and incorporated herein
            by reference, will be presented at Principal Financial Group, Inc.'s Investor Day
            Conference on December 6, 2007 and may be used by the Company in various other
            presentations to investors. The slide presentations are furnished and not filed
            pursuant to instruction B.2 of Form 8-K.
Item 7.01
Regulation FD Disclosure
The
            slide presentations attached hereto as Exhibits 99.1 and 99.2, and incorporated herein
            by reference, will be presented at Principal Financial Group, Inc.'s Investor Day
            Conference on December 6, 2007 and may be used by the Company in various other
            presentations to investors. The slide presentations are furnished and not filed
            pursuant to Instruction B.2 of Form 8-K.
Item 9.01
Financial Statements and Exhibits
Exhibit 99.1
Slide presentations presented at Principal Financial
                            Group, Inc.'s Investor Day Conference on December 6, 2007. The
                            slide presentations are furnished and not filed pursuant to Instruction
                            B.2 of Form 8-K.
Exhibit 99.2
Additional slide concerning 2008 guidance presented at
                            Principal Financial Group, Inc.'s Investor Day Conference on
                            December 6, 2007. The slide 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/ Tom Graf____________________
Name:
Tom Graf
Title:
Senior Vice President – Investor
                            Relations
Date:
December 6, 2007
EXHIBIT INDEX
EXHIBIT
NUMBER_____________________________EXHIBIT________________________________
99.1
Slide presentations presented at Principal Financial
                            Group, Inc.'s Investor Day
Conference on December 6, 2007
99.2
Additional slide concerning 2008 guidance presented at
                            Principal Financial Group, Inc.'s Investor Day Conference on
                            December 6, 2007