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FORM 11-K
ANNUAL REPORT PURSUANT
TO SECTION 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934
     
þ
  ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. FOR THE FISCAL YEAR ENDED December 31, 2005.
 
OR
 
o
  TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934.
Commission file number 001-10351
     
A.
  Full title of the plan and the address of the plan, if different from that of the issuer named below:
PCS U.S. Employees’ Savings Plan
     
B.
  Name of issuer of the securities held pursuant to the plan and the address of its principal executive office:
Potash Corporation of Saskatchewan Inc.
122 – 1st Avenue South
Saskatoon, Saskatchewan, Canada S7K 7G3
 
 


 


PCS U.S.
Employees’ Savings Plan
Financial Statements as of
December 31, 2005 and 2004, and for the
Year Ended December 31, 2005,
Supplemental Schedule as of December 31,
2005, and Report of Independent Registered
Public Accounting Firm

 


 

PCS U.S. EMPLOYEES’ SAVINGS PLAN
TABLE OF CONTENTS
 
         
    Page  
 
       
REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
    1  
 
       
FINANCIAL STATEMENTS:
       
 
       
Statements of Net Assets Available for Benefits as of December 31, 2005 and 2004
    2  
 
       
Statement of Changes in Net Assets Available for Benefits for the Year Ended December 31, 2005
    3  
 
       
Notes to Financial Statements
    4–8  
 
       
SUPPLEMENTAL SCHEDULE—
       
Form 5500, Schedule H, Part IV, Line 4i—Schedule of Assets (Held at End of Year) as of December 31, 2005
    9  
     
Note:  
All other schedules required by Section 2520.103-10 of the Department of Labor’s Rules and Regulations for Reporting and Disclosure under the Employee Retirement Income Security Act of 1974 have been omitted because they are not applicable.

 


 

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
To the Plan Administrator and Participants of the
PCS U.S. Employees’ Savings Plan:
We have audited the accompanying statements of net assets available for benefits of the PCS U.S. Employees’ Savings Plan (the “Plan”) as of December 31, 2005 and 2004, and the related statement of changes in net assets available for benefits for the year ended December 31, 2005. These financial statements are the responsibility of the Plan’s management. Our responsibility is to express an opinion on these financial statements based on our audits.
We conducted our audits in accordance with standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. The Plan is not required to have, nor were we engaged to perform, an audit of its internal control over financial reporting. Our audits included consideration of internal control over financial reporting as a basis for designing audit procedures that are appropriate in the circumstances, but not for the purpose of expressing an opinion on the effectiveness of the Plan’s internal control over financial reporting. Accordingly, we express no such opinion. An audit also includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements, assessing the accounting principles used and significant estimates made by management, as well as evaluating the overall financial statement presentation. We believe that our audits provide a reasonable basis for our opinion.
In our opinion, such financial statements present fairly, in all material respects, the net assets available for benefits of the Plan as of December 31, 2005 and 2004, and the changes in net assets available for benefits for the year ended December 31, 2005, in conformity with accounting principles generally accepted in the United States of America.
Our audits were conducted for the purpose of forming an opinion on the basic financial statements taken as a whole. The supplemental schedule of assets (held at end of year) as of December 31, 2005, is presented for the purpose of additional analysis and is not a required part of the basic financial statements but is supplementary information required by the Department of Labor’s Rules and Regulations for Reporting and Disclosure under the Employee Retirement Income Security Act of 1974. This schedule is the responsibility of the Plan’s management. Such schedule has been subjected to the auditing procedures applied in our audit of the basic 2005 financial statements and, in our opinion, is fairly stated in all material respects when considered in relation to the basic financial statements taken as a whole.
(-s- Deloitte & Touche LLP)
Chicago, Illinois
April 26, 2006

 


 

PCS U.S. EMPLOYEES’ SAVINGS PLAN
STATEMENTS OF NET ASSETS AVAILABLE FOR BENEFITS
AS OF DECEMBER 31, 2005 AND 2004
 
                 
    2005     2004  
 
               
ASSETS:
               
Participant-directed investments (Note 3)
  $ 202,937,467     $ 200,562,919  
Receivables:
               
Participant contributions
            25,436  
Company matching contributions
            7,977  
Company performance contribution
    2,944,952       2,905,040  
Unsettled trades
    1,400       24,135  
 
           
 
               
Total assets
    205,883,819       203,525,507  
 
               
LIABILITIES—Corrective distributions payables
    (27,869 )        
 
           
 
               
NET ASSETS AVAILABLE FOR BENEFITS
  $ 205,855,950     $ 203,525,507  
 
           
See notes to financial statements.

-2-


 

PCS U.S. EMPLOYEES’ SAVINGS PLAN
STATEMENT OF CHANGES IN NET ASSETS AVAILABLE FOR BENEFITS
FOR THE YEAR ENDED DECEMBER 31, 2005
 
         
ADDITIONS:
       
Contributions:
       
Company matching contributions
  $ 2,609,491  
Company performance contribution
    2,953,274  
Participant contributions
    8,193,523  
Rollover contributions
    523,444  
 
     
 
       
Total contributions
    14,279,732  
 
     
 
       
Investment income:
       
Net depreciation in fair value of investments (Note 3)
    (532,135 )
Interest and dividends
    8,671,982  
 
     
 
       
Net investment income
    8,139,847  
 
     
 
       
Total additions
    22,419,579  
 
     
 
       
DEDUCTIONS:
       
Benefits paid to participants
    (20,044,912 )
Corrective distributions
    (27,869 )
Administrative expenses
    (16,328 )
Net other
    (27 )
 
     
 
       
Total deductions
    (20,089,136 )
 
     
 
       
INCREASE IN NET ASSETS
    2,330,443  
 
       
NET ASSETS AVAILABLE FOR BENEFITS:
       
Beginning of year
    203,525,507  
 
     
 
       
End of year
  $ 205,855,950  
 
     
See notes to financial statements.

-3-


 

PCS U.S. EMPLOYEES’ SAVINGS PLAN
NOTES TO FINANCIAL STATEMENTS
AS OF DECEMBER 31, 2005 AND 2004 AND FOR THE YEAR ENDED DECEMBER 31, 2005
 
1.   DESCRIPTION OF PLAN
 
    The following description of the PCS U.S. Employees’ Savings Plan (the “Plan”) is provided for general information purposes only. Participants should refer to the Plan Document for more complete information.
 
    General—The Plan is a defined contribution plan sponsored by PCS Administration (USA), Inc. (the “Company”) covering all eligible employees of the Company, PCS Phosphate Company, Inc., PCS Sales (USA), Inc, certain employees of White Springs Agricultural Chemicals, Inc., and certain employees of PCS Nitrogen, as defined in the Plan Document. The Employee Benefits Committee of the Company controls and manages the operation and administration of the Plan. The Plan is subject to the provisions of the Employee Retirement Income Security Act of 1974 (“ERISA”).
 
    Contributions—Participants may contribute up to 50% of base compensation each year, as defined in the Plan Document, subject to certain Internal Revenue Code limitations. The Plan has an Automatic Enrollment provision under which new participants are set up with a 2% pretax deferral unless they formally waive participation or elect a different participation level.
 
    The Company will match $.50 for each $1.00 of participant contributions, excluding catch-up contributions, up to 6% of base compensation, subject to certain limitations as described in the Plan agreement and the Internal Revenue Code of 1986, as amended. Participants may also contribute amounts representing distributions from other qualified defined benefit or contribution plans (rollover contributions), which are not eligible for the Company Match.
 
    The Company may also make a discretionary Company Performance Contribution ranging from 0% to 3% of each eligible participant’s base pay. The Company made a 2005 Company Performance Contribution of 3% of each eligible participant’s base pay.
 
    Participant Accounts—Individual accounts are maintained for each Plan participant. Each participant’s account is credited with the participant’s contribution, the Company’s Matching Contribution, the Company’s Performance Contribution when applicable, and allocations of Plan earnings, and is charged with withdrawals, an allocation of plan losses and administrative expenses. Allocations are based on participant earnings or account balances, as defined in the Plan. The benefit to which a participant is entitled is the benefit that can be provided from the participant’s account.
 
    Investments—Participants direct the investment of their account balances and contributions into various investment options offered by the Plan. The Plan currently offers Potash Corporation of Saskatchewan Inc. (“PCS”) Common Stock, twelve mutual funds, and one pooled investment stable value fund. The U.S. Government Reserves Fund is used to maintain dividends distributed with the ESOP option and is not available as a participant-directed investment option. The PCS stock purchase account is a money market fund that is used in the recordkeeping of the purchases and sales of fractional shares of Company stocks and is not available as a participant-directed investment option. Participants who are enrolled in the Plan under the Automatic Enrollment provision and who have not otherwise directed, will have their contributions and the employer contributions invested in the Fidelity Managed Income Portfolio II.

-4-


 

    Vesting—Participants are immediately vested in their account balances.
 
    Participant Loans—Participants may borrow from their fund accounts up to a maximum amount equal to the lesser of $50,000 or 50% of the participant contribution portion of their account balance. Loan terms range from one to five years or up to 20 years for the purchase of a primary residence. The loans are secured by the balance in the participant’s account and bear interest at two percentage points above the rate for five-year U.S. Treasury Notes on the last day of the preceding calendar quarter in which the funds are borrowed. Loans for the purchase of a primary residence bear interest at the standard lending rate for 20-year fixed rate home mortgage loans. Principal and interest are paid ratably through monthly payroll deductions.
 
    Payments of Benefits—On termination of service, a participant may elect to receive either a lump-sum amount equal to the value of the participant’s interest in his or her account; or monthly, quarterly or annual installments over the participant’s estimated life span. Other forms of benefits are also provided to participants whose accounts were transferred from other plans. A participant may elect to receive payment of benefits prior to termination of service, as defined in the Plan. Participants may elect to receive their investment in the PCS Stock Fund in cash or in whole shares of PCS Common Stock. The Plan includes an ESOP feature with a dividend payout program whereby participants may elect to receive dividends paid on their shares of PCS Common Stock in the PCS Stock Fund.
 
    Plan Amendments—Effective March 28, 2005, the Plan was amended to reduce the cashout limit under the Plan from $5,000 to $1,000. Lump sum distributions without participant consent can now only be made to terminated participants whose balances, as defined in the Plan Document, are under $1,000.
 
2.   SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
 
    Basis of Accounting—The financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America.
 
    Use of Estimates—The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires Plan management to make estimates and assumptions that affect the reported amounts of net assets available for benefits and changes therein. Actual results could differ from those estimates. The Plan utilizes various investment instruments, including mutual funds, a pooled investment stable value fund, and common stock. Investment securities, in general, are exposed to various risks, such as interest rate, credit, and overall market volatility. Due to the level of risk associated with certain investment securities, it is reasonably possible that changes in the values of investment securities will occur in the near term and that such changes could materially affect the amounts reported in the financial statements.
 
    Investment Valuation and Income Recognition—The Plan’s investments are stated at fair value. The PCS Common Stock is valued at its quoted market price. Shares of mutual funds are valued at quoted market prices, which represent the net asset value of shares held by the Plan at year-end. The Fidelity Managed Income Portfolio II is valued at the amount of participant and Company contributions, plus accrued interest thereon (contract value). Participant loans are valued at the outstanding loan balances.
 
    The Fidelity Managed Income Portfolio II is a stable value fund that is a commingled pool of the Fidelity Group Trust for Employee Benefit Plans. The portfolio may invest in fixed interest insurance investment contracts, money market funds, corporate and government bonds, mortgage-backed securities, bond funds, and other fixed income securities. Participants may ordinarily direct the withdrawal or transfer of all or a portion of their investment at contract value. The crediting interest rates were 3.61% and 3.76% at December 31, 2005 and 2004, respectively, which were based on the interest

-5-


 

    rates of the underlying portfolio of assets. The average yield for the year ended December 31, 2005 was 3.71%.
 
    Purchases and sales of securities are recorded on a trade-date basis. Interest income is recorded on the accrual basis. Dividends are recorded on the ex-dividend date.
 
    Management fees and operating expenses charged to the Plan for investment in the mutual funds and pooled fund are deducted from income earned on a daily basis and are not separately reflected. Consequently, management fees and operating expenses are reflected as a reduction of net appreciation (depreciation) in fair market value of investments for such investments.
 
    Administrative Expenses—Administrative expenses of the Plan are paid by the Plan or the Plan Sponsor, as provided in the Plan Document.
 
    Payment of Benefits—Benefit payments to participants are recorded upon distribution. There were no amounts allocated to accounts of participants who had elected to withdraw from the Plan but had not yet been paid at December 31, 2005 and 2004.
 
    Corrective Distributions Payable—The Plan is required to return contributions received during the Plan year in excess of the IRC limits.
 
3.   INVESTMENTS
 
    The Plan’s investments are shown below. Investments that represent 5% or more of the Plan’s net assets available for benefits as of December 31, 2005 and 2004 are marked with an asterisk:
                         
    2005         2004      
 
                       
Fixed Income and Bond Funds:
                       
Fidelity Managed Income Portfolio II
  $ 59,314,210     *   $ 57,449,948     *
Fidelity Retirement Money Market Portfolio
    7,609,320           6,955,156      
Fidelity Institutional Short-Intermediate Government Fund
    5,303,658           4,999,004      
Fidelity U.S. Government Reserves Fund
    42           22      
Equity Funds:
                       
Clipper Fund
    2,126,063           2,083,943      
Fidelity Puritan Fund
    14,929,611     *     15,199,332     *
Fidelity Magellan Fund
    19,080,549     *     19,855,488     *
Fidelity Growth and Income Portfolio
    27,096,047     *     29,656,023     *
Fidelity Overseas Fund
    7,013,550           5,270,228      
Fidelity Aggressive Growth Fund
    13,996,389     *     14,383,739     *
Fidelity Mid-Cap Stock Fund
    4,090,156           2,547,338      
Fidelity Small Cap Stock Fund
    4,865,363           4,657,333      
Fidelity Spartan US Equity Index Fund
    11,802,435     *     12,261,088     *
PCS Common Stock
    20,834,444     *     20,567,385     *
PCS Stock Purchase Account
    5,144                  
Participant Loans
    4,870,486           4,676,892      
 
                   
 
                       
Total
  $ 202,937,467         $ 200,562,919      
 
                   

-6-


 

    During 2005, the Plan’s investments (including gains and losses on investments bought and sold, as well as held during the year) appreciated (depreciated) in value as follows:
         
Fixed Income and Bond Funds:
       
Fidelity Institutional Short-Intermediate Government Fund
  $ (76,348 )
Equity Funds:
       
Clipper Fund
    (40,084 )
Fidelity Puritan Fund
    (173,947 )
Fidelity Magellan Fund
    466,586  
Fidelity Growth and Income Portfolio
    (2,789,923 )
Fidelity Overseas Fund
    1,015,475  
Fidelity Aggressive Growth Fund
    937,337  
Fidelity Mid-Cap Stock Fund
    395,779  
Fidelity Small Cap Stock Fund
    41,702  
Fidelity Spartan US Equity Index Fund
    357,624  
PCS Common Stock
    (666,336 )
 
     
 
       
Net depreciation of investments
  $ (532,135 )
 
     
4.   EXEMPT PARTY-IN-INTEREST TRANSACTIONS
 
    Certain Plan investments are shares of investment funds managed by Fidelity Management Trust Company (“Fidelity”). Fidelity is the trustee as defined by the Plan and, therefore, these transactions qualify as exempt party-in-interest transactions. Fees paid by the Plan for the investment management services were included as a reduction of the return earned on each fund.
 
    At December 31, 2005 and 2004, the Plan held 259,716.328 and 247,620.819 shares, respectively, of common stock of Potash Corporation of Saskatchewan (“Potash Corporation”), the parent company of the Plan sponsor, with a cost basis of $14,491,115 and $11,235,149, respectively. During the year ended December 31, 2005, the Plan recorded dividend income of $152,325.
 
5.   PLAN TERMINATION
 
    Although it has not expressed any intention to do so, the Company has the right under the Plan to discontinue its contributions at any time and to terminate the Plan subject to the provisions set forth in ERISA.

-7-


 

6.   FEDERAL INCOME TAX STATUS
 
    The Internal Revenue Service has determined and informed the Company by a letter, dated November 13, 2001, that the Plan was designed in accordance with applicable Internal Revenue Code requirements. The Plan has been amended since receiving the determination letter. However, the Company and Plan administrator believe that the Plan is currently designed and being operated in compliance with the applicable requirements of the Internal Revenue Code and continues to be tax-exempt. Therefore, no provision for income taxes has been included in the Plan’s financial statements.
 
7.   SUBSEQUENT EVENT
 
    Plan AmendmentsEffective April 1, 2006, the Plan was amended and the annuity option was discontinued as a benefit payment option.
 
8.   RECONCILIATION OF FINANCIAL STATEMENTS TO FORM 5500
 
    The following is a reconciliation of net assets available for benefits per the financial statements to the Form 5500:
                 
    2005     2004  
 
               
Net assets available for benefits per the financial statements
  $ 205,855,950     $ 203,525,507  
Corrective distributions payable at December 31
    (27,869 )        
 
           
 
               
Net assets available for benefits per the Form 5500
  $ 205,883,819     $ 203,525,507  
 
           
******

-8-


 

SUPPLEMENTAL SCHEDULE

 


 

PCS U.S. EMPLOYEES’ SAVINGS PLAN
FORM 5500, SCHEDULE H, PART IV, LINE 4i—
SCHEDULE OF ASSETS (HELD AT END OF YEAR)
AS OF DECEMBER 31, 2005
 
                 
    Description of Investment,          
    Including Maturity Date,          
Identity of Issue, Borrower,   Rate of Interest, Collateral,       Current  
Lessor, or Similar Party   Par, or Maturity Value   Cost**   Value  
   
 
           
   SHARES OF REGISTERED INVESTMENT COMPANIES:  
 
           
     Pacific Financial Research  
Clipper Fund
      $ 2,126,063  
*   Fidelity Management Trust Company  
Puritan Fund
        14,929,611  
*   Fidelity Management Trust Company  
Magellan Fund
        19,080,549  
*   Fidelity Management Trust Company  
Growth and Income Portfolio
        27,096,047  
*   Fidelity Management Trust Company  
Overseas Fund
        7,013,550  
*   Fidelity Management Trust Company  
Aggressive Growth Fund
        13,996,389  
*   Fidelity Management Trust Company  
Retirement Money Market Portfolio
        7,609,320  
*   Fidelity Management Trust Company  
Mid-Cap Stock Fund
        4,090,156  
*   Fidelity Management Trust Company  
Small Cap Stock Fund
        4,865,363  
*   Fidelity Management Trust Company  
Spartan US Equity Index Fund
        11,802,435  
*   Fidelity Management Trust Company  
Institutional Short-Intermediate Government Fund
        5,303,658  
*   Fidelity Management Trust Company  
U.S. Government Reserves Fund
        42  
   
 
           
COMMINGLED POOL—  
 
           
*   Fidelity Management Trust Company  
Managed Income Portfolio II
        59,314,210  
   
 
           
*   POTASH CORPORATION OF SASKATCHEWAN  
PCS Common Stock, 259,716.328 shares
        20,834,444  
     PCS stock purchase account  
Money Market
        5,144  
   
 
           
*   PARTICIPANT LOANS  
Due 2006 through 2026; interest rates ranging from 4.75% to 8.5%
        4,870,486  
   
 
         
   
 
           
TOTAL ASSETS HELD FOR INVESTMENT  
 
      $ 202,937,467  
   
 
         
*   Party in interest.
 
**   Cost information is not required for participant-directed investments and, therefore, is not included.

-9-


 

SIGNATURES
     Pursuant to the requirements of the Securities Exchange Act of 1934, the trustees (or other persons who administer the employee benefit plan) have duly caused this annual report to be signed on its behalf by the undersigned hereunto duly authorized.

         
Date: June 15, 2006 PCS U.S. Employees Savings Plan
(Name of Plan)
 
         
  /s/ Barbara Jane Irwin  
  Barbara Jane Irwin  
  Senior Vice President, Administration
PCS Administration (USA), Inc.
as Plan Administrator
 
EXHIBIT INDEX
     
Exhibit Number   Description of Exhibit
23.1
  Consent of Deloitte & Touche LLP