FORM 5 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Form 3 Holdings Reported Form 4 Transactions Reported

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * ZIMPLEMAN LARRY D 2. Issuer Name and Ticker or Trading Symbol PRINCIPAL FINANCIAL GROUP INC [PFG] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) President & COO (Last) (First) (Middle) 711 HIGH STREET 3. Statement for Issuer's Fiscal Year Ended (Month/Day/Year) 12/31/2006 (Street) DES MOINES, IA 50392 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Reporting (check applicable line) _X_ Form Filed by One Reporting Person ___ Form Filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned at end of Issuer's Fiscal Year (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Amount (A) or (D) Price Common Stock 01/29/2004   J(1) 103 A $ 0 (2) 26,662 (3) D   Common Stock 12/17/2004   P(4) 24 A $ 39.86 26,686 (3) D   Common Stock 12/16/2005   P(4) 25 A $ 49.72 26,711 (3) D Â

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

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SEC 2270 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned at End of Issuer's Fiscal Year (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
ZIMPLEMAN LARRY D 711 HIGH STREET DES MOINES, IA 50392	  X	Â	  President & COO	Â

Signatures

Joyce N. Hoffman		02/14/2007
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Delinquent report of acquisition of shares received by the reporting person's spouse as demutualization compensation (See footnote 2) and transferred to a joint account.
(2)	Shares were acquired in the demutualization of Principal Mutual Holding Company as compensation in exchange for the extinguishment of a membership interest in Principal Mutual Holding Company. The demutualization was effective October 26, 2001. Principal Financial Group, Inc. closed its initial public offering at $18.50 per share on that date. It distributed shares to former holders of membership interests on December 10, 2001.
(3)	Includes 2,680 shares acquired pursuant to the Principal Financial Group, Inc. Employee Stock Purchase Plan.
(4)	Reinvestment of dividends on shares acquired as demutualization compensation by the reporting person and such person's spouse.

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