485APOS 1 filingbody.htm A FILING FOR IPVA SUPPLEMENT DTD NOV 09 filingbody.htm -- Converted by SEC Publisher, created by BCL Technologies Inc., for SEC Filing
Registration No. 333-116220                             
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM N-4
REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933
Pre-Effective Amendment
Post-Effective Amendment No. 13
and/or
REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940
Amendment No. 126
(Check appropriate box or boxes)
Principal Life Insurance Company Separate Account B
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(Exact Name of Registrant)
Principal Life Insurance Company
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(Name of Depositor)
The Principal Financial Group, Des Moines, Iowa 50392
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(Address of Depositor's Principal Executive Offices) (Zip Code)
(515) 248-3842
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Depositor's Telephone Number, including Area Code
M. D. Roughton,
The Principal Financial Group, Des Moines, Iowa 50392
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(Name and Address of Agent for Service)
Title of Securities Being Registered: Principal Investment Plus Variable AnnuitySM Contract
It is proposed that this filing will become effective (check appropriate box) 
____ immediately upon filing pursuant to paragraph (b) of Rule 485 
____ on May 1, 2009 pursuant to paragraph (b) of Rule 485 
__X_ 60 days after filing pursuant to paragraph (a)(1) of Rule 485 
____ on (date) pursuant to paragraph (a)(1) of Rule 485 
____ 75 days after filing pursuant to paragraph (a)(2) of Rule 485 
____ on (date) pursuant to paragraph (a)(2) of Rule 485 
If appropriate, check the following box: 
____This post-effective amendment designates a new effective date for a previously filed post-effective amendment. 


Explanatory Note
 
This registration statement incorporates by reference the prospectus (the “Prospectus”) and statement of additional 
information, each dated May 1, 2009, included in Post-Effective Amendment No. 12 to the registration statement on Form 
N-4 (File Nos. 333-116220 and 811-02091) filed on May 1, 2009 pursuant to paragraph (b) of Rule 485. 
 
The registration statement also incorporates by reference the supplement to the Prospectus dated May 1, 2009, as filed 
on May 7, 2009 pursuant to Rule 497. 
 
The registration statement also incorporates by reference the supplement to the Prospectus dated May 1, 2009, as filed 
on June 11, 2009 pursuant to Rule 497. 


SUPPLEMENT DATED NOVEMBER ____, 2009
TO THE PROSPECTUS FOR
PRINCIPAL INVESTMENT PLUS VARIABLE ANNUITY
DATED MAY 1, 2009
 
Effective November ___, 2009, this supplement updates information in the prospectus dated May 1, 2009 for 
Principal Investment Plus Variable Annuity issued by Principal Life Insurance Company (“we”, “us”, “our”) as 
supplemented on May 7, 2009 and June 11, 2009. This supplement should be read in its entirety and kept together 
with your prospectus for future reference. If you would like another copy of the prospectus, write us at Principal 
Financial Group, P.O. Box 9382, Des Moines, Iowa 50306-9382 or call us at 1-800-852-4450 to request a free copy. 
Certain terms used in this supplement have special meanings. If a term is not defined in this supplement, it has the 
meaning given to it in the prospectus. 

1.  Under the “Optional Riders’” chart on page 9, please replace the GMWB 1, GMWB 2-SL and GMWB 
  2-SL/JL rider charges with the following:   
 
                     GMWB 1 Rider (as a percentage of average   
                     quarterly Investment Back remaining withdrawal   
                     benefit base)   
 
                     ·  Maximum annual charge  · 0.85% (0.2125% quarterly) 
 
                     ·  Current annual charge for riders issued(6) before  · 0.60% (0.15% quarterly) 
    February 16, 2009 and no GMWB Step-Up   
    elected   
 
                     ·  Current annual charge for riders issued(6) before  · 0.80% (0.20% quarterly) 
    February 16, 2009 and GMWB Step-Up elected   
 
                     ·  Current annual charge for riders issued(6) on or  · 0.80% (0.20% quarterly)
    after February 16, 2009   
 
                     GMWB 2-SL Rider (as a percentage of average   
                     quarterly Investment Back withdrawal benefit base)   
 
                     ·  Maximum annual charge  · 1.00% (0.25% quarterly) 
 
                     ·  Current annual charge prior to contract’s 2010  · 0.75% (0.1875% quarterly) 
    anniversary or if you opt out of future GMWB   
    Step-Ups (for more details see Charges for   
    Rider Benefits)   
 
                     ·  Current annual charge after contract’s 2010  · 0.95% (0.2375% quarterly)
    anniversary and you do not opt out of future   
    GMWB Step-Ups (for more details see Charges   
    for Rider Benefits)   
 
                     GMWB 2-SL/JL Rider (as a percentage of average   
                     quarterly Investment Back withdrawal benefit base)   
 
                     ·  Maximum annual charge for riders issued(7)  · 1.00% (0.25% quarterly) 
    before January 4, 2010   
 
                     ·  Maximum annual charge for riders issued(7) on  · 1.65% (0.4125% quarterly) 
    or after January 4, 2010   
 
                     ·  Current annual charge for riders issued(6) before  · 0.75% (0.1875% quarterly) 
    February 16, 2009 and you opt out of future   
    GMWB Step-Ups after the contract’s 2010   
    anniversary (for more details see Charges for   
    Rider Benefits)   
 
                     ·  Current annual charge for riders issued(6)  · 0.95% (0.2375% quarterly) 
    before February 16, 2009 and you do not opt   
    out of future GMWB Step-Ups after the   
    contract’s 2010 anniversary (for more details   
    see Charges for Rider Benefits)   
 
                     ·  Current annual charge for riders issued(6) on or  · 0.95% (0.2375% quarterly) 
    after February 16, 2009   

2. Please delete footnote 8 on page 11 and please replace footnotes 6 and 7 with the following: 
 
(6) A rider is “issued” before February 16, 2009 if the rider application is dated before February 16, 2009. 
(7) A rider is “issued” before January 4, 2010 if the rider application is dated before January 4, 2010. A rider is “issued” 
on or after January 4, 2010 if the rider application is dated on or after January 4, 2010 and the maximum annual 
charge of 1.65% is approved in your state. 


         3  Under the Examples section on page 15, please replace the Examples section with the following: 
 
EXAMPLES 
 
These examples are intended to help you compare the cost of investing in the Contract with the cost of investing in 
other variable annuity contracts. These costs include contract owner transaction expenses, contract fees, Separate 
Account annual expenses, and underlying mutual fund fees and expenses. 
 
The example reflects the maximum charges imposed if you were to purchase the Contract with the GMWB 2-SL/JL 
Rider, as well as the Premium Payment Credit Rider. The amounts below are calculated using the maximum rider 
fees and not the current rider fees. 
 
The example assumes: 
         ·  a $10,000 investment in the Contract for the time periods indicated; 
         ·  a 5% return each year; 
         ·  an annual contract fee of $30 (expressed as a percentage of the average accumulated value); 
         ·  the minimum and maximum annual underlying mutual fund operating expenses as of December 31, 2008 
  (without voluntary waivers of fees by the underlying funds, if any); 
         ·  the GMWB 2-SL/JL rider was added to the Contract at issue; and 
         ·  the Premium Payment Credit Rider was added to the Contract at issue and the Premium Payment Credit 
  Rider surrender charge schedule is applied. 
 
Although your actual costs may be higher or lower, based on these assumptions, your costs would be as shown 
below:   

   If you surrender your contract at          If you fully annuitize your contract at 
  the end of the applicable time period      If you do not surrender your contract the end of the applicable time period 
  1 Year  3 Years  5 Years  10 Years  1 Year  3 Years  5 Years  10 Years  1 Year  3 Years  5 Years  10 Years 
 
Maximum Total Underlying 1,313 2,346 3,306 5,572 556 1,692 2,846 5,572 1,056 2,192 2,846 5,572
Mutual Fund Operating                        
Expenses (1.80%)                          
                         
Minimum Total Underlying  1,172 1,932 2,622 4,229 402 1,244 2,122 4,229 902 1,744 2,122 4,229
Mutual Fund Operating                         
Expenses (0.30%)                         

         4. Under “GMWB 2-SL and GMWB 2-SL/JL (investment Protector Plus 2-Single Life/Joint Life) Rider” 
                   on page 38, please replace the 5th paragraph with the following: 
 
For GMWB 2-SL, we reserve the right to increase the rider charge up to a maximum annual charge of 1.00% (0.25% 
quarterly of the Investment Back withdrawal benefit base). For GMWB 2-SL/JL we reserve the right to increase the 
rider charge up to a maximum annual charge of 1.65% (0.4125% quarterly of the Investment Back withdrawal benefit 
base). 
 
         5. Please replace the sentence under “Maximum annual rider charge” on page 59, with the following: 
 
The GMWB 2-SL and the GMWB 2-SL/JL riders have maximum annual rider charges (1.00% and 1.65% of the 
Investment Back withdrawal benefit base, respectively) that are greater than the GMWB 1 maximum annual rider 
charge (0.85% of the Investment Back remaining withdrawal benefit base). 


         6.  On page 60, under “GMWB Step-Up,” please replace the last sentence of the 1st paragraph with the 
  following sentence: 
 
The rider charge will never be greater than the maximum GMWB 2 rider charge (1.00% of the Investment Back 
withdrawal benefit base for GMWB 2-SL and 1.65% of the Investment Back withdrawal benefit base for GMWB 2- 
SL/JL).   
 
         7.  Under the “Table Comparing GMWB Riders” on page 68, please replace the rider charge section with 
  the following: 

Name of Rider             GMWB 1           GMWB 2-SL           GMWB 2-SL/JL 
 
Rider Charge  GMWB 1 Rider (as a  GMWB 2 -SL Rider  GMWB 2 -SL/JL Rider 
  percentage of average  Charge (as a percentage  Charges (as a percentage 
  quarterly Investment Back  of average quarterly  of average quarterly 
Note: A rider is deemed to  remaining withdrawal  Investment Back  Investment Back 
have been issued if the  benefit base)   withdrawal benefit base)  withdrawal benefit base) 
application is dated prior to       
the specified date.
 
  · Maximum annual  · Maximum annual  · Maximum annual 
       charge is 0.85%.       charge is 1.00%.       charge for riders issued 
  · Current annual charge  · Current annual charge       before January 4, 2010 
       for riders issued before       if you opt out of future       is 1.00%. 
       February 16, 2009 and       GMWB Step-Ups after  · Maximum annual 
       no GMWB Step-Up       the contract’s 2010       charge for riders issued 
       elected is 0.60%.       anniversary (for more       on or after January 4, 
  · Current annual charge       details see Charges for       2010 is 1.65%. 
       for riders issued before       Rider Benefits) is  · Current annual charge 
       February 16, 2009 and       0.75%.       for riders issued before 
       GMWB Step-Up elected  · Current annual charge       February 16, 2009 and 
       is 0.80%.       if you do not opt out of       you opt out of future 
  · Current annual charge       future GMWB Step-Ups       GMWB Step-Ups after 
       for riders issued on or       after the contract’s       the contract’s 2010 
       after February 16, 2009       2010 anniversary (for       anniversary (for more 
       is 0.80%.       more details see       details see Charges for 
         Charges for Rider       Rider Benefits) is 
         Benefits) is 0.95%.       0.75%. 
      · Current annual charge 
           for riders issued before 
           February 16, 2009 and 
           you do not opt out of 
           future GMWB Step-Ups 
           after the contract’s 
           2010 anniversary (for 
           more details see 
           Charges for Rider 
           Benefits) is 0.95%. 
      · Current annual charge 
           for riders issued on or 
           after February 16, 2009 
           is 0.95%. 


PART C
OTHER INFORMATION
 
Item 24.  Financial Statements and Exhibits 
 
                   (a)  Financial Statements included in the Registration Statement 
  (1)  Part A (filed with the Commission on 5/1/09) 
    Condensed Financial Information for the 3 years ended 
    December 31, 2008 and the period ended December 31, 2005. 
 
  (2)  Part B (filed with the Commission on 5/1/09) 
    Principal Life Insurance Company Separate Account B: 
    Report of Independent Registered Public Accounting Firm 
    Statements of Assets and Liabilities, December 31, 2008 
    Statements of Operations for the year ended December 31, 2008 
    Statements of Changes in Net Assets for the years ended December 31, 2008, 2007 and 2006. 
    Notes to Financial Statements. 
 
    Principal Life Insurance Company: 
    Report of Independent Registered Public Accounting Firm 
Consolidated Statements of Financial Position at December 31, 2008, and 2007.
    Consolidated Statements of Operations for the years ended December 31, 2008, 2007 and 2006. 
    Consolidated Statements of Stockholder's Equity for the years ended December 31, 2008, 2007 
    and 2006. 
    Consolidated Statements of Cash Flows for the years ended December 31, 2008, 2007 and 2006. 
    Notes to Consolidated Financial Statements. 
 
  (3)  Part C – (filed with the Commission on 5/1/09) 
    Principal Life Insurance Company 
    Report of Independent Registered Public Accounting Firm on Schedules 
    Schedule I - Summary of Investments - Other Than Investments in Related Parties As December 
    31, 2008 
    Schedule III - Supplementary Insurance Information as of December 31, 2008, 2007 and 2006 and 
    for each of the years then ended 
    Schedule IV – Reinsurance as of December 31, 2008, 2007 and 2006 and for each of the years 
    then ended
 
All other schedules for which provision is made in the applicable accounting regulation of the Securities and 
Exchange Commission are not required under the related instructions or are inapplicable and therefore have been 
omitted.     
 
                   (b)  Exhibits 
  (1)           Resolution of Board of Directors of the Depositor – filed with the Commission on filed on 
             06/07/2004) 
  (3a)           Distribution Agreement (filed 01/04/2005) 
  (3b)           Selling Agreement (filed 06/07/2004) 
  (4a)           Form of Variable Annuity Contract (filed 06/7/2004) 
  (4b)           Amendment to Enhanced Death Benefit Rider (filed 04/27/2006) 
  (4c)           Amendment to Fixed Account Endorsement (filed 04/27/2006) 
  (4d)           Amendment to Fixed DCA Account Endorsement (filed 04/27/2006) 
  (4e)           Amendment to GMWB Rider (filed 04/27/2006) 
  (4f)           Amendment to Contract Data Page (filed 04/27/2006) 
  (4g)           Amendment to Partial Annuitization Endorsement (filed 04/27/2006) 
  (4h)           Amendment to Premium Payment Credit Rider (filed 04/27/2006) 
  (4i)           Form of Specimen Guaranteed Minimum Withdrawal Benefit 2 – Joint Life Rider (filed with the 
             Commission on 05/01/2008) 
  (4i)           Form of Specimen Guaranteed Minimum Withdrawal Benefit 2 – Single Life Rider (filed with 
             the Commission on 05/01/2008) 
  (5)           Form of Variable Annuity Application (filed 06/07/2004) 
  (6a)           Articles of Incorporation of the Depositor (filed with the Commission on 06/07/2004) 
  (6b)           Bylaws of Depositor (filed with the Commissioner 06/07/2004) 


(8a1)  Participation Agreement with AIM Variable Insurance Funds, as amended (filed with the 
  Commission on 05/01/2008) 
(8a2)  Distribution Agreement with AIM Variable Insurance Funds, (filed with the Commission on May 
  1, 2008) 
(8a3)  Rule 22c-2 Agreement with AIM Variable Insurance Funds, (filed with the Commission on May 
  1, 2008) 
(8a4)  Administrative Services Agreement with AIM Variable Insurance Funds, (filed with the 
  Commission on May 1, 2008) 
(8b1)  Participation Agreement with AllianceBernstein Variable Products Series Fund, as amended 
  (filed with the Commission on 05/01/2008) 
(8b2)  Administrative Service Agreement with AllianceBernstein Variable Products Series Fund, (filed 
  with the Commission on 05/01/2008) 
(8b3)  Rule 22c-2 Agreement with AllianceBernstein Variable Products Series Fund, (filed with the 
  Commission on 05/01/2008) 
(8c1)  Shareholder Services Agreement with American Century Investment Management Inc., as 
  amended (as filed with the Commission on May 1, 2008) 
(8c2)  Rule 22c-2 Agreement with American Century Investment Management Inc., ( as filed on May 
  1, 2008) 
(8d1)  Participation Agreement with Dreyfus Investment Portfolios, as amended (filed with the 
  Commission on May 1, 2008) 
(8d2)  Administrative Services Agreement with Dreyfus Investment Portfolios, as amended (filed with 
  the Commission on May 1, 2008) 
(8d3)  Rule 12b-1 Agreement with Dreyfus Investment Portfolios, as amended (filed with the 
  Commission on May 1, 2008) 
(8e1)  Amended & Restated Participation Agreement with Fidelity Insurance Products Fund (as filed 
  on May 1, 2008) 
(8e2)  Distribution Agreement with Fidelity Variable Insurance Products Fund (as filed on May 1, 
  2008) 
(8e3)  Service Agreement dated 8/02/1999 with Fidelity Variable Insurance Products Fund (as filed 
  on May 1, 2008) 
(8e4)  Service Agreement dated 2/29/2000 with Fidelity Variable Insurance Products Fund (as filed 
  on May 1, 2008) 
(8e5)  Service Agreement dated 3/26/2002 with Fidelity Variable Insurance Products Fund (as filed 
  on May 1, 2008) 
(8e6)  Rule 22c-2 Agreement with Fidelity Insurance Products Fund (as filed on May 1, 2008) 
(8f1)  Participation Agreement with Goldman Sachs Variable Insurance Trust, (filed with the 
  Commission on May 1, 2008) 
(8f2)  Administrative Services Agreement with Goldman Sachs Variable Insurance Trust (filed on 
  May 1, 2008) 
(8f3)  Rule 22c-C Agreement with Goldman Sachs Variable Insurance Trust (filed with the 
  Commission on May 1, 2008) 
(8g1)  Participation Agreement with Neuberger Berman Advisers Management Trust, as amended 
  (filed with the Commission on May 1, 2008) 
(8g2)  Distribution & Administrative Services Agreement with Neuberger Berman Advisers 
  Management Trust (filed on May 1, 2008) 
(8g3)  Rule 22c-C Agreement with Neuberger Berman Advisers Management Trust (filed with the 
  Commission on May 1, 2008) 
(8h1)  Form of Participation Agreement with Principal Variable Contracts Funds (as filed on May 1, 
  2008) 
(8h2)  Form of Rule 22c-2 Agreement with Principal Variable Contracts Funds (as filed on May 1, 
  2008) 
(8i1)  Participation Agreement with T Rowe Equity Series Inc, as amended (filed with the 
  Commission on May 1, 2008) 
(8i2)  Rule 12b-1 Agreement with T Rowe Equity Series Inc (filed with the Commission on May 1, 
  2008) 
(8i3)  Rule 22c-C Agreement with T Rowe Equity Series Inc (filed with the Commission on May 1, 
  2008) 
(8i4)  Participation Agreement with T Rowe Equity Series Inc, as amended (filed with the 
  Commission on May 1, 2008) 
(8j1)  Participation Agreement with MFS Variable Insurance Trust dtd 03/26/02** 
(8j2)  Participation Agreement with MFS Variable Insurance Trust amendment 1 dtd 05/17/02** 
(8j3)  Participation Agreement with MFS Variable Insurance Trust amendment 2 dtd 09/03/02** 


(8j4)  Participation Agreement with MFS Variable Insurance Trust amendment 3 dtd 01/08/03** 
(8j5)  Participation Agreement with MFS Variable Insurance Trust amendment 4 dtd 09/17/04** 
(8j6)  Participation Agreement with MFS Variable Insurance Trust amendment 5 dtd 11/01/05** 
(8j7)  Participation Agreement with MFS Variable Insurance Trust amendment 6 dtd 12/07/05** 
(8j8)  Participation Agreement with MFS Variable Insurance Trust amendment 7 dtd 05/01/07** 
(8j9)  Participation Agreement with MFS Variable Insurance Trust amendment 8 dtd 01/01/08** 
(8j10)  Participation Agreement with MFS Variable Insurance Trust amendment 9 dtd 05/01/09** 
(8j11)  FUND/SERV and Networking Agreement with MFS Variable Insurance Trust dtd 05/20/02** 
(8j12)  Website Regulatory Document Agreement with MFS Variable Insurance Trust dtd 03/06/08** 
(8j13)  Rule 22c-2 Shareholder Information Agreement with MFS Variable Insurance Trust dtd 
  03/06/07** 
(8k1)  Participation Agreement with PIMCO Variable Insurance Trust dtd 09/09/09** 
(8k2)  Service Agreement with PIMCO Variable Insurance Trust dtd 03/09/09** 
(8k3)  Service Agreement with PIMCO Variable Insurance Trust amendment 1 dtd 04/22/09** 
(8l1)  Participation Agreement with Van Eck Worldwide Insurance Trust dtd 11/28/07** 
(8l2)  Service Agreement with Van Eck Worldwide Insurance Trust dtd 11/28/07** 
(8l3)  Service Agreement with Van Eck Worldwide Insurance Trust dtd 11/28/07** 
(9)  Opinion of Counsel (filed 01/04/2005) 
(10a)  Consent of Ernst & Young LLP – (filed 5/01/09) 
(10b)  Powers of Attorney (filed with the Commission on 02/29/2008) 
(10c)  Consent of Counsel – (filed 5/01/09) 
(11)  Financial Statement Schedules (filed 05/01/09) 

*      Filed herein
**      To be filed by amendment

Item 25. Officers and Directors of the Depositor

Principal Life Insurance Company is managed by a Board of Directors which is elected by its policyowners. The directors and executive officers of the Company, their positions with the Company, including Board Committee memberships, and their principal business address, are as follows:

DIRECTORS:

Name and Principal Business Address  Positions and Offices 
BETSY J. BERNARD  Director 
40 Shalebrook Drive  Chair, Nominating and Governance Committee 
Morristown, NJ 07960  Member, Executive Committee 
 
JOCELYN CARTER-MILLER  Director 
TechEd Ventures  Member, Nominating and Governance Committee 
3020 NW 33rd Avenue   
Lauderdale Lakes, FL 33311   
 
GARY E. COSTLEY  Director 
257 Barefoot Beach Boulevard, Suite 404  Member, Audit Committee 
Bonita Springs, FL 34134   
 
MICHAEL T. DAN  Director 
The Brink's Company  Member, Human Resources Committee 
1801 Bayberry Court   
Richmond, VA 23226   
 
C. DANIEL GELATT, JR.  Director 
NMT Corporation  Member, Audit Committee 
2004 Kramer Street   
La Crosse, WI 54603   
 
J. BARRY GRISWELL  Director 
Community Foundation of Greater Des Moines   
1915 Grand Avenue   
Des Moines, IA 50309   
 
SANDRA L. HELTON  Director 
1040 North Lake Shore Drive #26A  Member, Audit Committee 
Chicago, IL 60611   
 
WILLIAM T. KERR  Director 
Meredith Corporation  Member, Executive Committee and Chair, Human 
1716 Locust St.  Resources Committee 
Des Moines, IA 50309-3023   
 
RICHARD L. KEYSER  Director 
W.W. Grainger, Inc.  Member, Nominating and Governance Committee 
100 Grainger Parkway   
Lake Forest, IL 60045-5201   
 
ARJUN K. MATHRANI  Director 
176 East 71st Street, Apt. 9-F  Chair, Audit Committee 
New York, NY 10021  Member, Executive Committee 
 
ELIZABETH E. TALLETT  Director 
Hunter Partners, LLC  Member, Executive Committee and Human Resources 
12 Windswept Circle  Committee 
Thornton, NH 03285-6883   
 
LARRY D. ZIMPLEMAN  Director 
The Principal Financial Group  Chairman of the Board and Chair, Executive Committee 
Des Moines, IA 50392  Principal Life: President and Chief Executive Officer 


EXECUTIVE OFFICERS (OTHER THAN DIRECTORS) 
 
Name and Principal Business Address  Positions and Offices 
JOHN EDWARD ASCHENBRENNER  President, Insurance and Financial Services 
CRAIG LAWRENCE BASSETT  Vice President and Treasurer 
GREGORY J. BURROWS  Senior Vice President Retirement and Investor Services 
RONALD L. DANILSON  Senior Vice President Retirement and Investor Services 
GREGORY BERNARD ELMING  Senior Vice President and Controller 
RALPH CRAIG EUCHER  Senior Vice President Human Resources, Corporate Services 
  and Retirement and Investor Services 
NORA MARY EVERETT  Senior Vice President Retirement and Investor Services 
THOMAS JOHN GRAF  Senior Vice President Investor Relations 
JOYCE NIXSON HOFFMAN  Senior Vice President and Corporate Secretary 
DANIEL JOSEPH HOUSTON  President Retirement and Investor Services 
ELLEN ZISLIN LAMALE  Senior Vice President and Chief Risk Officer 
JULIA MARIE LAWLER  Senior Vice President and Chief Investment Officer 
TERRANCE JOSEPH LILLIS  Senior Vice President and Chief Financial Officer 
JAMES PATRICK MCCAUGHAN  President, Global Asset Management 
TIMOTHY JON MINARD  Senior Vice President Retirement Distribution 
MARY AGNES O'KEEFE  Senior Vice President and Chief Marketing Officer 
GARY PAUL SCHOLTEN  Senior Vice President and Chief Information Officer 
G. DAVID SHAFER  Senior Vice President Health 
KAREN ELIZABETH SHAFF  Executive Vice President and General Counsel 
NORMAN RAUL SORENSEN  Executive Vice President International Asset Accumulation 
DEANNA DAWNETTE STRABLE  Senior Vice President Individual Life and Specialty Benefits 
 
Item 26. Persons Controlled by or Under Common Control with the Depositor or the Registrant 
 
The Registrant is a separate account of Principal Life Insurance Company (the "Depositor") and is operated as a unit 
investment trust. Registrant supports benefits payable under Depositor's variable life contracts by investing assets allocated to 
various investment options in shares of Principal Variable Contracts Funds, Inc. and other mutual funds registered under the 
Investment Company Act of 1940 as open-end management investment companies of the "series" type. No person is directly 
or indirectly controlled by the Registrant.   
 
The Depositor is wholly-owned by Principal Financial Services, Inc. Principal Financial Services, Inc. (an Iowa corporation) an 
intermediate holding company organized pursuant to Section 512A.14 of the Iowa Code. In turn, Principal Financial Services, 
Inc. is a wholly-owned subsidiary of Principal Financial Group, Inc., a publicly traded company that filed consolidated financial 
statements with the SEC. A list of persons directly or indirectly controlled by or under common control with Depositor as of 
December 31, 2008 appears below:   
 
None of the companies listed in such organization chart is a subsidiary of the Registrant; therefore, only the separate financial 
statements of Registrant and the consolidated financial statements of Depositor are being filed with this Registration Statement. 







Item 27. Number of Contractowners – As of August 31, 2009   
 
(1)  (2)  (3) 
  Number of Plan  Number of 
Title of Class  Participants  Contractowners 
BFA Variable Annuity Contracts  34 6
Pension Builder Contracts  183 112
Personal Variable Contracts  23 328
Premier Variable Contracts  48 1,486
Flexible Variable Annuity Contract  40,011 40,011
Freedom Variable Annuity Contract  1,563 1,563
Freedom 2 Variable Annuity Contract  359 359
Investment Plus Variable Annuity Contract  24,724 24,724
 
Item 28. Indemnification     
 
Sections 490.851 through 490.859 of the Iowa Business Corporation Act permit corporations to indemnify directors and 
officers where (A) all of the following apply: the director or officer (i) acted in good faith; (ii) reasonably believed that (a) in the 
case of conduct in the individual's official capacity, that the individual's conduct was in the best interests of the corporation or (b) 
in all other cases, that the individual's conduct was at least not opposed to the best interests of the corporation; and (iii) in the 
case of any criminal proceeding, the individual had no reasonable cause to believe the individual's conduct was unlawful; and 
(B) the individual engaged in conduct for which broader indemnification has been made permissible or obligatory under a 
provision of the corporation's articles of incorporation.   
 
Unless ordered by a court pursuant to the Iowa Business Corporation Act, a corporation shall not indemnify a director or 
officer in either of the following circumstances: (A) in connection with a proceeding by or in the right of the corporation, except 
for reasonable expenses incurred in connection with the proceeding if it is determined that the director has met the relevant 
standard of conduct (above) or (B) in connection with any proceeding with respect to conduct for which the director was 
adjudged liable on the basis that the director receive a financial benefit to which he or she was not entitled, whether or not 
involving action in the director's official capacity.   
 
Registrant's By-Laws provide that it shall indemnify directors and officers against damages, awards, settlements and costs 
reasonably incurred or imposed in connection with any suit or proceeding to which such person is or may be made a party by 
reason of being a director or officer of the Registrant. Such rights of indemnification are in addition to any rights to indemnity to 
which the person may be entitled under Iowa law and are subject to any limitations imposed by the Board of Directors. The 
Board has provided that certain procedures must be followed for indemnification of officers, and that there is no indemnity of 
officers when there is a final adjudication of liability based upon acts which constitute gross negligence or willful misconduct. 
 
Insofar as indemnification for liability arising under the Securities Act of 1933 may be permitted to directors, officers and 
controlling persons of the registrant pursuant to the foregoing provisions, or otherwise, the registrant has been advised that in 
the opinion of the Securities and Exchange Commission such indemnification is against public policy as expressed in the Act 
and is, therefore, unenforceable. In the event that a claim for indemnification against such liabilities (other than the payment by 
the registrant of expenses incurred or paid by a director, officer or controlling person of the registrant in the successful defense 
of any action, suit or proceeding) is asserted by such director, officer or controlling person in connection with the securities 
being registered, the registrant will, unless in the opinion of its counsel the matter has been settled by controlling precedent, 
submit to a court of appropriate jurisdiction the question whether such indemnification by it is against public policy as expressed 
in the Act and will be governed by the final adjudication of such issue.   


Item 29.         Principal Underwriters 
 
(a)  Other Activity 
 
Princor Financial Services Corporation acts as principal underwriter for variable annuity contracts issued by Principal Life Insurance 
Company Separate Account B, a registered unit investment trust, and for variable life contracts issued by Principal Life Insurance 
Company Variable Life Separate Account, a registered unit investment trust. Princor Financial Services Corporation and Principal 
Funds Distributor act as principal underwriters for Class J shares, Institutional Class shares, R-1, R-2, R-3, R-4 and R-5 Class 
shares of Principal Funds, Inc. 

(b)  Management   
 
  (b1)  (b2) 
    Positions and offices 
  Name and principal  with principal 
  business address  underwriter 
  Michael C. Anagnost  Vice President – Chief Technology 
  The Principal  Officer 
  Financial Group(1)   
 
  John E. Aschenbrenner  Director 
  The Principal   
  Financial Group(1)   
 
  Patricia A. Barry  Assistant Corporate Secretary 
  The Principal   
  Financial Group(1)   
 
  Craig L. Bassett  Treasurer 
  The Principal   
  Financial Group(1)   
 
  Michael J. Beer  President and Director 
  The Principal   
  Financial Group(1)   
 
  Tracy W. Bollin  Financial Controller 
  The Principal   
  Financial Group(1)   
 
  David J. Brown  Senior Vice President 
  The Principal   
  Financial Group(1)   
 
  Jill R. Brown  Senior Vice President and Chief Financial Officer 
  The Principal   
  Financial Group(1)   
 
  David P. Desing  Assistant Treasurer 
  The Principal   
  Financial Group(1)   
 
  Ralph C. Eucher  Chairman of the Board 
  The Principal   
  Financial Group(1)   
 
  Nora M. Everett  Director 
  The Principal   
  Financial Group (1)   
 
  James W. Fennessey  Vice President 
  The Principal   
  Financial Group(1)   
 
  Michael P. Finnegan  Senior Vice President/Investment Services 
  The Principal   
  Financial Group(1)   


Louis E. Fiori  Vice President – Capital Markets 
The Principal   
Financial Group(1)   
 
Stephen G. Gallaher  Assistant General Counsel 
The Principal   
Financial Group(1)   
 
Eric W. Hays  Senior Vice President/Chief Information Officer 
The Principal   
Financial Group(1)   
 
Joyce N. Hoffman  Senior Vice President and Corporate Secretary 
The Principal   
Financial Group(1)   
 
Patrick A. Kirchner  Assistant General Counsel 
The Principal   
Financial Group(1)   
 
Deanna L. Mankle  Assistant Treasurer 
The Principal   
Financial Group(1)   
 
Layne A. Rasmussen  Vice President/Controller – Principal Funds 
The Principal   
Financial Group(1)   
 
David L. Reichart  Senior Vice President 
The Principal   
Financial Group(1)   
 
Martin R. Richardson  Vice President – Broker Dealer Operations 
The Principal   
Financial Group(1)   
 
Michael D. Roughton  Senior Vice President and Senior Securities Counsel 
The Principal   
Financial Group(1)   
 
Adam U. Shaikh  Counsel 
The Principal   
Financial Group(1)   
 
Mark A. Stark  Vice President – Investment Services 
The Principal   
Financial Group(1)   
 
Randy L. Welch  Vice President – Investment Services 
The Principal   
Financial Group(1)   
 
Traci L. Weldon  Chief Compliance Officer 
The Principal   
Financial Group(1)   
 
Dan L. Westholm  Director - Treasury 
The Principal   
Financial Group(1)   
 
Beth C. Wilson  Vice President 
The Principal   
Financial Group(1)   

(1)      711 High Street Des Moines, IA 50309

(c)  Compensation from the Registrant       
 
 
      (3)     
    (2)  Compensation on Events     
    Net Underwriting  Occasioning the  (4)   
  (1)  Discounts &  Deduction of a Deferred  Brokerage  (5) 
Name of Principal Underwriter  Commissions  Sales Load  Commissions  Compensation 
 
  Princor Financial Services  $26,629,731.79  0  0  0 
  Corporation         
 
Item 30. Location of Accounts and Records       

All accounts, books or other documents of the Registrant are located at the offices of the Depositor, The Principal Financial 
Group, Des Moines, Iowa 50392. 
 
Item 31. Management Services 
 
N/A   
 
Item 32. Undertakings 
 
The Registrant undertakes that in restricting cash withdrawals from Tax Sheltered Annuities to prohibit cash withdrawals before 
the Participant attains age 59 1/2, separates from service, dies, or becomes disabled or in the case of hardship, Registrant acts 
in reliance on SEC No Action Letter addressed to American Counsel of Life Insurance (available November 28, 1988). 
Registrant further undertakes that: 
 
1.  Registrant has included appropriate disclosure regarding the redemption restrictions imposed by Section 403(b)(11) in its 
  registration statement, including the prospectus, used in connection with the offer of the contract; 
 
2.  Registrant will include appropriate disclosure regarding the redemption restrictions imposed by Section 403(b)(11) in any 
  sales literature used in connection with the offer of the contract; 
 
3.  Registrant will instruct sales representatives who solicit Plan Participants to purchase the contract specifically to bring the 
  redemption restrictions imposed by Section 403(b)(11) to the attention of the potential Plan Participants; and 
 
4.  Registrant will obtain from each Plan Participant who purchases a Section 403(b) annuity contract, prior to or at the time of 
  such purchase, a signed statement acknowledging the Plan Participant's understanding of (a) the restrictions on 
  redemption imposed by Section 403(b)(11), and (b) the investment alternatives available under the employer's Section 
  403(b) arrangement, to which the Plan Participant may elect to transfer his contract value. 
 
Fee Representation 
 
Principal Life Insurance Company represents the fees and charges deducted under the Policy, in the aggregate, are reasonable 
in relation to the services rendered, the expenses expected to be incurred, and the risks assumed by the Company. 


SIGNATURES
 
Pursuant to the requirements of the Securities Act of 1933 and the Investment Company Act of 1940, the Registrant, Principal 
Life Insurance Company Separate Account B, has duly caused this Amendment to the Registration Statement to be signed on 
its behalf by the undersigned thereto duly authorized, and its seal to be hereunto affixed and attested, in the City of Des Moines 
and State of Iowa, on the 1st day of October, 2009. 
 
                                                                                                     PRINCIPAL LIFE INSURANCE COMPANY 
                                                                                                     SEPARATE ACCOUNT B 
                     (Registrant) 
 
 
                                                                                                     By :  /s/ L. D. Zimpleman 
L. D. Zimpleman
  Director, President and Chief Executive Officer 
 
 
 
                                                                                                     PRINCIPAL LIFE INSURANCE COMPANY 
                     (Depositor) 
 
                                                                                                     By :  /s/ L. D. Zimpleman 
L. D. Zimpleman
  Director, President and Chief Executive Officer 
 
 
Attest:   
 
/s/ Joyce N. Hoffman   
 
Joyce N. Hoffman   
Senior Vice President and Corporate Secretary   


Pursuant to the requirements of the Securities Act, this amendment to the registration statement has been signed by the 
following persons in the capacities and on the date indicated. 

Signature   Title  Date 
 
 
/s/ L. D. Zimpleman     
L. D. Zimpleman   Director, President  October 1, 2009 
   and Chief Executive Officer   
 
/s/ G. B. Elming     
   Senior Vice President and  October 1, 2009 
G. B. Elming   Controller   
   (Principal Accounting Officer)   
 
/s/ T. J. Lillis     
   Executive Vice President  October 1, 2009 
T. J. Lillis   and Chief Financial Officer   
   (Principal Financial Officer)   
 
 (B. J. Bernard)*   Director  October 1, 2009 
B. J. Bernard     
 
 (J. Carter-Miller)*   Director  October 1, 2009 
J. Carter-Miller     
 
 (G. E. Costley)*   Director  October 1, 2009 
G. E. Costley     
 
 (M.T. Dan)*   Director  October 1, 2009 
M. T. Dan     
 
 (C. D. Gelatt, Jr.)*   Director  October 1, 2009 
C. D. Gelatt, Jr.     
 
 (J. B. Griswell*   Chairman   
J. B. Griswell   of the Board  October 1, 2009 
 
 
 (S. L. Helton)*   Director  October 1, 2009 
S. L. Helton     
 
 (W. T. Kerr)*   Director  October 1, 2009 
W. T. Kerr     
 
 (R. L. Keyser)*   Director  October 1, 2009 
R. L. Keyser     
 
 (A. K. Mathrani)*   Director  October 1, 2009 
A. K. Mathrani     
 
 (E. E. Tallett)*   Director  October 1, 2009 
E. E. Tallett     
  /s/ L. D. Zimpleman   
*By
                 L. D. Zimpleman   
                 Director, President and Chief Executive Officer 
                 Pursuant to Powers of Attorney 
                 Previously Filed or Included Herein