MTN GLOBAL FUNDING AGREEMENT

Principal Life Insurance Company
711 High Street
Des Moines, Iowa 50392-0001
(515) 247-5111

In consideration of the payment made by, or at the direction of,

Principal Life Income Fundings Trust 2007-109

(the “Agreement Holder”)

of the Net Deposit, as described below, Principal Life Insurance Company (“Principal Life”) agrees to make payments to the person or persons entitled to them, subject to the provisions of this funding agreement (this “Agreement”).

This Agreement is delivered in and subject to the laws of the State of Iowa.

This Agreement is issued and accepted subject to all the terms set out in it.

This Agreement is executed by Principal Life at its Corporate Center to take effect as of the 15th day of November, , which is referred to as the Effective Date, subject to the receipt by Principal Life or its designee of the Net Deposit (as set forth in Section 1).

/s/ Joyce N. Hoffman		/s/ Larry Zimpleman
Senior Vice President and		President and
Corporate Secretary		Chief Operating Officer

		/s/ Bret Taber
		Registrar
		November 12, 2007
		Date

GLOBAL FUNDING AGREEMENT NO. 8-4262

RESTRICTIONS REGARDING THE TRANSFER OR SALE OF
THIS FUNDING AGREEMENT OR ANY INTEREST HEREIN ARE SET FORTH
HEREIN

FUNDING AGREEMENT		No. 8-4262

          This Agreement is issued in connection with the issuance by the Trust (specified in the Annex) of Secured Notes (the “Notes”) which are identified in the annex hereto (the “Annex”) and which are being issued by the Trust pursuant to the Prospectus dated February 16, 2006, the Prospectus Supplement dated February 16, 2006, as from time to time amended or supplemented, and the Pricing Supplement applicable to the Notes (the “Pricing Supplement”). Capitalized terms not otherwise defined herein shall have the meanings ascribed to them in the Notes. Where used in this Agreement, the term “Notes” shall mean the Notes secured by this Agreement as the same exist on the Effective Date, without giving effect to any amendments or modifications to said Notes effected or made after any such Effective Date unless such amendments or modifications to said Notes have been consented to in writing by Principal Life.

1.		Deposit
		Principal Life agrees to accept, and the Agreement Holder agrees to pay or cause to be paid to Principal Life, for value on the Effective Date, the Net Deposit (as specified in the Annex). All funds received by Principal Life under this Agreement shall become the exclusive property of Principal Life and remain a part of Principal Life’s general account without any duty or requirement of segregation or separate investment.
		This Agreement shall become effective only upon the receipt by Principal Life or its designee of the Net Deposit.
2.		Fund
		Upon receipt of the Net Deposit, Principal Life will establish, under this Agreement, a bookkeeping account in the name of the Agreement Holder, which will evidence Principal Life’s obligations under this Agreement.
		The Deposit deemed received (as specified in the Annex), (i) less any withdrawals to make payments hereunder and (ii) plus any interest accrued and premium, if any, pursuant to Section 7, will be referred to as the “Fund”.
		Principal Life is neither a trustee nor a fiduciary with respect to the Fund.
3.		Purchase of Notes By Principal Life
		Principal Life may purchase some or all of the Notes in the open market or otherwise at any time, and from time to time. Simultaneously, upon such purchase, (1) the purchased Notes shall, by their terms become mandatorily redeemable by the Trust as specified in the related Pricing Supplement, Prospectus Supplement and/or Prospectus and (2) the Fund under this Agreement shall be permanently reduced by the same percentage as the principal amount of the Notes so redeemed bears to the sum of (i) the aggregate principal amount of all Notes issued and outstanding immediately prior to such redemption and (ii) the principal amount of the Trust Beneficial Interest related to such Notes. If Principal Life, in its sole discretion, engages in such open market or other purchases, then the Trust, the Indenture Trustee in respect of such Notes, and Principal Life shall take

		actions (including, in the case of Principal Life, making the payment(s) necessary to effect the Trust’s redemption of such Notes) as may be necessary or desirable to effect the cancellation of such Notes by the Trust.
4.		Entire Agreement
		This Agreement and the Annex attached hereto constitute the entire Agreement.
5.		Representations

(a)

Each party hereto represents and warrants to the other that as of the date hereof:

	(i)		it has the power to enter into this Agreement and to consummate the transactions contemplated hereby;
	(ii)		this Agreement has been duly authorized, executed and delivered, this Agreement constitutes a legal, valid and binding obligation of each party hereto, and this Agreement is enforceable in accordance with the terms hereof, subject to applicable bankruptcy, insolvency and similar laws affecting creditors’ rights, and subject as to enforceability to general principles of equity, regardless of whether enforcement is sought in a proceeding in equity or at law; and
	(iii)		the execution and delivery of this Agreement and the performance of obligations hereunder do not and will not constitute or result in a default, breach or violation of the terms or provisions of its certificate, articles or charter of incorporation, declaration of trust, by-laws or any agreement, instrument, mortgage, judgment, injunction or order applicable to it or any of its property.

(b)

The Trust further represents and warrants to Principal Life that:

	(i)		it is a person other than a natural person and is purchasing this Agreement for the purpose of providing collateral security for securities registered with the United States Securities and Exchange Commission;
	(ii)		it has been informed and understands that transfer is restricted by the terms of this Agreement; and
	(iii)		it (a) is solely responsible for determining whether this Agreement is suitable for the purpose intended; (b) has carefully read this Agreement (including the Annex) before signing this Agreement; (c) has had a reasonable opportunity to make such inquiries as it deemed necessary prior to signing this Agreement; and (d) has received or had access to such additional information as it deemed necessary in connection with its decision to sign this Agreement.

		In performing its obligations hereunder Principal Life is not acting as a fiduciary, agent or other representative for the Agreement Holder or anyone else. All representations and warranties made by the Agreement Holder and Principal Life in this Agreement shall be considered to have been relied upon by the other in connection with the execution hereof.
6.		Assignment of Agreement
		The following conditions must be satisfied in order to effectuate any assignment of this Agreement:

	(i)		This Agreement may only be transferred through a book entry system maintained by Principal Life, or an agent designated by it, within the meaning of Temporary Treasury Regulations Section 5f.103-1(c) and Treasury Regulations Section 1.871-14(c)(1)(i).
	(ii)		The Agreement Holder, and any assignee, must comply with applicable securities laws.
	(iii)		Principal Life has consented in writing to the proposed assignment, such consent not to be unreasonably withheld.
	(iv)		Principal Life shall have received from the proposed assignee a duly executed certificate containing, in substance, the information, representations, warranties, acknowledgments and agreements set forth in this Agreement.

		Any attempted sale, transfer, anticipation, assignment, hypothecation, or alienation not in accordance with this Section 6 shall be void and of no effect. Until such time, if any, as Principal Life has consented in writing to a proposed assignment, Principal Life shall not be obligated to make any payments to or at the direction of anyone other than the person shown on Principal Life’s books and records as the Agreement Holder. Once the foregoing conditions have been satisfied with respect to an assignment, the assignee or its successor shall be deemed to be the sole Agreement Holder for all purposes of this Agreement and Principal Life shall promptly amend its records to reflect the assignee’s status as Agreement Holder.
7.		Payments to the Agreement Holder
		Principal Life shall pay to, or at the direction of, the Agreement Holder by the date (the “Due Date”) on which any payment becomes due in respect of the Notes secured by this Agreement (and in any event such period of time prior to the Due Date as shall be necessary to ensure that the Trust can fulfill its obligation to make payment in full of all amounts due and payable under the Notes on the Due Date), an amount in the currency or currencies in which the Notes are denominated as specified in the Notes equal to the sum of (i) the amount of principal and/or (as the case may be) interest and/or (as the case may be) premium falling due in respect of the Notes on such Due Date (the “Notes Component”) and (ii) the amount of any payments owed by the Trust in respect of the Trust Beneficial Interest falling due on such date (the “Beneficial Interest Component”). In the event that Principal Life fails to make payment of any such amount on or prior to

		the Due Date, Principal Life shall pay to or at the direction of the Agreement Holder, on demand by the Agreement Holder, (i) if the failure relates to the Notes Component, an amount in the currency specified in the Notes equal to the amount of default interest (or other amount) which becomes due and payable by the Trust in accordance with the Notes as a consequence of any delay in the Trust making the relevant payment of principal, interest or premium (as the case may be) to the holders of the of Notes and (ii) if the failure relates to the Beneficial Interest Component, such amount or default interest, if any, determined in the same manner as default interest on the Notes Component.
		Interest shall accrue on the Fund in the same amount