UNITEDTable STATES SECURITIESof AND EXCHANGE COMMISSION Contents

~~Washington,~~UNITED ~~D.C.~~STATES SECURITIES ~~20549~~AND EXCHANGE COMMISSION

~~FORM~~Washington, ~~8-K~~D.C. 20549

~~CURRENT~~FORM ~~REPORT~~8-K ~~Pursuant to Section 13 OR 15(d) of~~ ~~The Securities Exchange Act of 1934~~

~~Date~~CURRENT ofREPORT Pursuant ~~Report~~to Section 13 OR 15(~~Date~~d) of The ~~earliest~~Securities ~~event~~Exchange ~~reported)~~Act ~~June 1,~~of ~~2005~~1934

~~Principal~~Date ~~Life~~of ~~Insurance~~Report ~~Company~~(Date of earliest event reported) July 1, 2005

~~on behalf of~~ Principal Life ~~Income~~Insurance ~~Fundings Trust 10~~Company

~~(Exact~~on ~~name~~behalf of ~~registrant~~Principal Life asIncome ~~specified~~Fundings inTrust ~~its charter)~~10

Iowa	333-110499-122	42-0127290
(State or other jurisdiction	(Commission	(IRS Employer
of incorporation)	File Number)	Identification No.)

(Exact name of registrant as specified in its charter)

711 High Street, Des Moines, Iowa	50392-0001
Iowa	333-110499-122	42-0127290
(Address of principal executive offices)	(Zip Code)
(State or other jurisdiction	(Commission	(IRS Employer
of incorporation)	File Number)	Identification No.)

Registrant’s telephone number, including area code: (515) 247-1111


711 High Street, Des Moines, Iowa		50392-0001
(Address of principal executive offices)		(Zip Code)

~~Not~~Registrant’s ~~Applicable (Former~~telephone ~~name or former address~~number, ifincluding ~~changed~~area ~~since~~code: ~~last report.~~(515) 247-1111

~~Check~~Not ~~the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the~~Applicable ~~filing~~(Former ~~obligation~~name ofor ~~the~~former ~~registrant~~address, ~~under~~if ~~any~~changed ofsince ~~the~~last ~~following provisions (see General Instruction A~~report.~~2. below~~):

oCheck ~~Written~~the ~~communications~~appropriate ~~pursuant~~box below if the Form 8-K filing is intended to ~~Rule~~simultaneously ~~425~~satisfy the filing obligation of the registrant under any of the ~~Securities~~following ~~Act~~provisions (17see ~~CFR~~General ~~230~~Instruction A.~~425~~2. below):

o ~~Soliciting~~Written ~~material~~communications pursuant to Rule ~~14a-12~~425 under the ~~Exchange~~Securities Act (17 CFR ~~240~~230.~~14a-12~~425)

o ~~Pre-commencement~~Soliciting ~~communications~~material pursuant to Rule ~~14d~~14a-~~2(b)~~12 under the Exchange Act (17 CFR 240.~~14d~~14a-~~2(b~~12))

o Pre-commencement communications pursuant to Rule ~~13e~~14d-42(cb) under the Exchange Act (17 CFR 240.~~13e~~14d-42(cb))

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

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	Item 8.01 Other Events.
	Item 9.01 Financial Statements and Exhibits.
SIGNATURES
EXHIBIT INDEX
Indenture Trustee's Report

Item 8.01 Other Events.

On ~~June~~July 1, 2005, a payment was made to the holders of the notes issued by the Principal Life Income Fundings Trust 10 (the “Trust”). Specific information with respect to the payment is filed as Exhibit 99.1 hereto. No other reportable transactions or matters have occurred during the current reporting period.

The Trust’s assets consist of a Funding Agreement issued by Principal Life Insurance Company (“Principal Life”) and a Guarantee issued by Principal Financial Group, Inc. (“PFG”) which fully and unconditionally guarantees the payment obligations of Principal Life under the Funding Agreement. PFG is subject to the informational requirements of the Securities Act of 1934, and in accordance with those requirements files periodic and current reports and other information (including financial information) with the Securities and Exchange Commission (“SEC”). You can read and copy any reports or other information PFG files at the SEC public reference room at 450 Fifth Street, N.W., Washington, D.C. 20549. You can also request copies of PFG’s documents upon payment of a duplicating fee, by writing the SEC’s public reference room. You can obtain information regarding the public reference room by calling the SEC at 1-800-SEC-0330. PFG’s filings are available to the public from commercial document retrieval services or over the internet at http://www/sec/gov.

Item 9.01 Financial Statements and Exhibits.

(c)		Exhibits
Exhibit 99.1				Indenture Trustee’s report in respect of the June 1, 2005 payment to holders of the notes issued by the Principal Life Income Fundings Trust 10.

(c)

Exhibits

~~SIGNATURES~~ Exhibit 99.1 Indenture Trustee’s report in respect of the July 1, 2005 payment to holders of the notes issued by the Principal Life Income Fundings Trust 10.

PursuantTable 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 hereunto duly authorized. Contents

	PRINCIPAL LIFE INSURANCE COMPANY (Registrant)
Date: June 8, 2005
	By:	/s/ KAREN A. PEARSTON
	Name:		Karen A. Pearston
	Title:		Second Vice President and Counsel

SIGNATURES

~~EXHIBIT~~ Pursuant ~~INDEX~~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 hereunto duly authorized.

Exhibit
	PRINCIPAL LIFE INSURANCE COMPANY
Number	Description
	(Registrant)
Exhibit 99.1	Indenture Trustee’s report in respect of the June 1, 2005 payment to holders of the notes issued by the Principal Life Income Fundings Trust 10.
Date: July 11, 2005
	By:	/s/ KAREN A. PEARSTON
	Name:	Karen A. Pearston
	Title:	Second Vice President and Counsel

EXHIBIT INDEX


Exhibit
Number		Description

Exhibit 99.1		Indenture Trustee’s report in respect of the July 1, 2005 payment to holders of the notes issued by the Principal Life Income Fundings Trust 10.

UNITEDTable STATES SECURITIESof AND EXCHANGE COMMISSION Contents

Table of Contents

PursuantTable 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 hereunto duly authorized. Contents

Table of Contents

Filing Compare · Principal Life Income Fundings Trust 10