Pricing Supplement Dated	June 25, 2008	Filed pursuant to Rule 424(b)(2)
(To Prospectus dated November 21, 2007, and		Registration Statement Nos.	333-147181 and
Prospectus Supplement dated November 21, 2007)			333-147181-01
		CUSIP: 74254PZD7

Principal Life Insurance Company
Secured Medium-Term Notes (that are also Asset-Backed Securities)
Issued Through and Obligations of
Principal Life Income Fundings Trust 39 (the “Trust” and the “Issuing Entity”)

      The description of this pricing supplement of the particular terms of the Secured Medium-Term Notes offered hereby, and the Funding Agreement (specified below) issued by Principal Life Insurance Company (“Principal Life”) to the Trust, the payment obligations of which are fully and unconditionally guaranteed by the Guarantee (specified below) issued by Principal Financial Group, Inc. to the Trust, supplements the description of the general terms and provisions of the notes, the funding agreements and the guarantees set forth in the accompanying prospectus and prospectus supplement, to which reference is hereby made.

1. The Notes

Principal Amount:	$	43,000,000	Purchasing Agent(s) Discount:	0.06%
Issue Price:		100%	Original Issue Date:	July 2, 2008
Net Proceeds to the Trust:	$	42,974,200	Stated Maturity Date:	December 15, 2010

Specified Currency:	U.S. Dollars
Interest Payment Dates:	March 15, June 15, September 15 and December 15 of each year
Initial Interest Payment Date:	September 15, 2008
Regular Record Date:	15 calendar days prior to the Interest Payment Date
Type of Interest Rate:	o Fixed Rate	x Floating Rate
Fixed Rate Notes:	o Yes	x No.	If, Yes,
Interest Rate:
Floating Rate Notes:	x Yes	o No.	If, Yes,
Regular Floating Rate Notes:	x Yes	o No.	If, Yes,
Interest Rate:	3-Month LIBOR + .80%
Interest Rate Basis(es):	See below
Floating Rate/Fixed Rate Note:	o Yes	x No.	If, Yes,
Floating Interest Rate:
Interest Rate Basis(es):
Fixed Interest Rate:
Fixed Rate Commencement Date:

Inverse Floating Rate Note:	o Yes	x No.	If, Yes,
Fixed Interest Rate:
Floating Interest Rate:
Interest Rate Basis(es):

Initial Interest Rate, if any:	3-Month LIBOR + ..80% determined on the second business day preceding the Original Issue Date.
Initial Interest Reset Date:	September 15, 2008
Interest Rate Basis(es). Check all that apply:
	o CD Rate	o Commercial Paper Rate
	o CMT Rate	o Eleventh District Cost of Funds Rate
	o Constant Maturity Swap Rate	o Federal Fund Open Rate
	x LIBOR	o Federal Funds Rate
	o EURIBOR	o Treasury Rate
	o Prime Rate	o Other (See Attached)
If LIBOR:	LIBOR Reuters Screen Page: LIBOR01
	LIBOR Currency: U.S. Dollars
If CMT Rate:
Designated Reuters Page:
If FEDCMT:	o Weekly Average	o Monthly Average
Designated CMT Maturity Index:
Index Maturity:	3-month
Spread (+/-):	+ .80%
Spread Multiplier:	Not Applicable
Interest Reset Date(s):	Each Interest Payment Date
Interest Rate Determination Date(s):	The second business day preceding the Interest Reset Date
Maximum Interest Rate, if any:	Not Applicable
Minimum Interest Rate, if any:	Not Applicable

Calculation Agent:	Citibank, N.A.
Exchange Rate Agent:	Not Applicable
Computation of Interest
(not applicable unless different than as specified in the prospectus and prospectus supplement):
Day Count Convention
(not applicable unless different than as specified in the prospectus and prospectus supplement):
Amortizing Note:	o Yes	x No.	If, Yes,
Amortizing Schedule:
Additional/Other Terms:
Discount Note:	o Yes	x No.	If, Yes,
Total Amount of Discount:
Initial Accrual Period of Discount:
Additional/Other Terms:
Redemption Provisions:	o Yes	x No.	If, Yes,
Initial Redemption Date:
Initial Redemption Percentage:
Annual Redemption Percentage Reduction (if any):
Redemption:	o In whole only and not in part
	o May be in whole or in part
Additional Other Terms:

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Repayment:	o Yes	x No.	If, Yes,
Repayment Date(s):
Repayment Price:
Repayment:	o In whole only and not in part
	o May be in whole or in part
Additional/Other Terms:
Sinking Fund (not applicable unless specified):
Additional Amounts to be Paid for Withholding Tax (not applicable unless specified):
Securities Exchange Listing:	o Yes	x No.	If, Yes, Name of Exchange:
Authorized Denominations:	$1,000

Ratings:

The Notes issued under the Program are rated AA by Standard & Poor’s Ratings Services, a division of The McGraw-Hill Companies, Inc. (“S&P”). Principal Life expects the Notes to be rated Aa2 by Moody’s Investors Service, Inc. (“Moody’s).

Purchasing Agents Purchasing Notes as Principal: x Yes o No. If, Yes:

Purchasing Agent(s)	Principal Amount
Barclays Capital Inc.	$	43,000,000
Total:	$	43,000,000

Purchasing Agents Purchasing Notes as Principal: o Yes o No. If, Yes:

Purchasing Agent(s)	Principal Amount
Total:

State of Organization of the Trust:	New York
Additional/Other Terms:
Special Tax Considerations:
2. The Funding Agreement
Funding Agreement Issuer:	Principal Life Insurance Company
Funding Agreement No.:	6-15527
Deposit Amount:	$43,000,015
Net Deposit:	$42,974,200
Effective Date:	July 2, 2008
Stated Maturity Date:	December 15, 2010
Specified Currency:	U.S. Dollars
Interest Payment Dates:	March 15, June 15, September 15 and December 15 of each year
Initial Interest Payment Date:	September 15, 2008
Type of Interest Rate:	o Fixed Rate	x Floating Rate
Fixed Rate Funding Agreement:	o Yes	x No.	If, Yes,

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Interest Rate:
Floating Rate Funding Agreement:	x Yes	o No.	If, Yes,
Regular Floating Rate Funding Agreement:	x Yes	o No.	If Yes,
Interest Rate: 3-Month LIBOR + .80%
Interest Rate Basis(es): See below
Floating Rate/Fixed Rate Funding Agreement:	o Yes	x No.	If, Yes,
Floating Interest Rate:
Interest Rate Basis(es):
Fixed Interest Rate:
Fixed Rate Commencement Date:
Inverse Floating Rate Funding Agreement:	o Yes	x No.	If, Yes,
Fixed Interest Rate:
Floating Interest Rate:
Interest Rate Basis(es):
Initial Interest Rate, if any:	3-Month LIBOR + ..80% determined on the second business day preceding the Original Issue Date.
Initial Interest Reset Date:	September 15, 2008

Interest Rate Basis(es). check all that apply
	o CD Rate	o Commercial Paper Rate
	o CMT Rate	o Eleventh District Cost of Funds Rate
	x LIBOR	o Federal Funds Open Rate
	o EURIBOR	o Treasury Rate
	o Prime Rate	o Other (See Attached)
If LIBOR:	LIBOR Reuters Screen Page: LIBOR01
	LIBOR Currency: U.S. Dollars
If CMT Rate:
Designated CMT Reuters Page:
If FEDCMT:	o Weekly Average	o Monthly Average
Designated CMT Maturity Index:

Index Maturity:	3-Month
Spread (+/-):	+ .80%
Spread Multiplier:	Not Applicable
Interest Reset Date(s):	Each Interest Payment Date
Interest Rate Determination Date(s):	The second business day preceding the related Interest Reset Date
Maximum Interest Rate, if any:	Not Applicable
Minimum Interest Rate, if any:	Not Applicable
Calculation of Interest (not applicable unless different than as specified in the prospectus and prospectus supplement):
Day Count Convention: (not applicable unless different than as specified in the prospectus and prospectus supplement):
Amortizing Funding Agreement:	o Yes	x No.	If, Yes

Amortizing Schedule:
Additional/Other Terms:
Discount Funding Agreement:	o Yes	x No.	If, Yes,
Total Amount of Discount:
Initial Accrual Period of Discount:
Additional/Other Terms:
Redemption Provisions:	o Yes	x No.	If, Yes,
Initial Redemption Date:
Initial Redemption Percentage:
Annual Redemption Percentage Reduction (if any):
Redemption:	o In whole only and not in part
	o May be in whole or in part
Additional/Other Terms:
Repayment:	o Yes	o No.	If, Yes,
Repayment Date(s):
Repayment Price:
Repayment:	o In whole only and not in part
	o May be in whole or in part
Additional/Other Terms:
Sinking Fund (not applicable unless specified):
Additional Amounts to be Paid For Withholding Tax (not applicable unless specified):

Ratings:

The Funding Agreement issued under the Program is rated AA by S&P.
Principal Life expects the Funding Agreement to be rated Aa2 by Moody’s.

Additional/Other Terms if any:
Special Tax Considerations:
3. The Guarantee
Guarantee Issuer:	Principal Financial Group, Inc.
Effective Date:	July 2, 2008
Additional/Other Terms if any:

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