NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

Table of Contents

For the years ended December 31, 2007 and 2006

($Cdn thousands except per share amounts and as noted)

22. Pension and Other Post-Retirement Benefits

Cameco maintains both defined benefit and defined contribution plans providing pension and post-retirement benefits to substantially all of its employees.

Under the defined pension benefit plans, Cameco provides benefits to retirees based on their length of service and final average earnings. The non-pension post-retirement plan covers such benefits as group life and supplemental health insurance, to eligible employees and their dependents. The costs related to the non-pension post-retirement plans are charged to earnings in the period during which the employment services are rendered. However, these future obligations are not funded.

The effective date for the most recent valuations for funding purposes on the pension benefit plans is January 1, 2006. The next planned effective date for valuation for funding purposes of the pension benefit plans is set to be January 1, 2009. The status of the defined plans is as follows:

(a) Accrued Benefit Obligation

  Pension Benefit Plans Other Benefit Plans
  2007  2006  2007  2006 
Balance at beginning of year $ 23,272  $ 15,926  $ 12,166  $ 7,403 
Current service cost 1,027  1,028  510  487 
Interest cost 1,259  872  606  544 
Actuarial (gain) loss 3,536  6,056  (370) 395 
Plan amendments –  –  3,838  588 
Plan curtailments –  –  (2,990) – 
Acquisition of Zircatec interest [note 23] –  –  –  3,116 
Benefits paid (619) (611) (617) (367)
Foreign exchange rate changes (34) –  – 
  $ 28,441  $ 23,272  $ 13,143  $ 12,166 

(b) Plan Assets

  Pension Benefit Plans
  2007  2006 
Fair value at beginning of year $ 24,412  $ 23,403 
Actual return on plan assets (8) 1,569 
Employer contributions 55  51 
Benefits paid (595) (611)
Fair value at end of year $ 23,864  $ 24,412 

Plan assets consist of:

  Pension Benefit Plans
  2007 2006
Asset Category (i)    
Equity securities
44% 34%
Fixed income
11% 23%
Other (ii)
45% 43%
Total 100% 100%
(i) The defined benefit plan assets contain no material amounts of related party assets at December 31, 2007 and 2006 respectively.
(ii) Relates to the value of the refundable tax account held by the Canada Revenue Agency.  The refundable total is approximately equal to half of the sum of the realized investment income plus employer contributions less half of the benefits paid by the plan.

(c) Funded Status Reconciliation

  Pension Benefit Plans Other Benefit Plans
  2007  2006  2007  2006 
Fair value of plan assets $ 23,864  $ 24,412  $ –  $ – 
Accrued benefit obligation 28,441  23,272  13,143  12,166 
Funded status of plans – surplus (deficit) (4,577) 1,140  (13,143) (12,166)
         
Unamortized net actuarial loss 10,451  6,509  –  – 
Unamortized transitional obligation –  240  –  – 
Accrued benefit asset (liability) [notes 7, 10] $ 5,874  $ 7,889  $ (13,143) $ (12,166)

(d) Net Pension Expense

  2007  2006 
Current service cost $ 1,027  $ 1,028 
Interest cost 1,259  872 
Actual return on plan assets (1,569)
Actuarial loss 3,536  6,056 
Balance prior to adjustments to recognize the long-term nature of employee future benefit costs 5,830  6,387 
Difference between actual and expected return on plan assets (820) 796 
Difference between actuarial loss recognized for year and actual actuarial loss on accrued benefit obligation for year (3,122) (6,056)
Amortization of transitional obligation 240  723 
Defined benefit pension expense 2,128  1,850 
Defined contribution pension expense 10,905  8,973 
Net pension expense $ 13,033  $ 10,823 
     
  2007  2006 
Significant assumptions at December 31    
Discount rate
5.5%  5.3% 
Rate of compensation increase
5.5%  4.5% 
Long-term rate of return on assets
6.5%  6.3% 

(e) Other Post-Retirement Benefit Expense

  2007  2006 
Current service cost $ 510  $ 487 
Interest cost 606  544 
Actuarial (gain) loss (370) 395 
Plan amendment costs 3,838  588 
Plan curtailment gain (2,990) – 
Other post-retirement benefit expense $ 1,594  $ 2,014 
     
  2007  2006 
Significant assumptions at December 31    
Discount rate
5.5%  5.1% 
Initial health care cost trend rate
9%  10% 
Cost trend rate declines to
6%  6% 
Year the rate reaches its final level
2011  2011 

(f) Pension and Other Post-Retirement Benefits Cash Payments

  2007 2006
Employer contributions to funded pension plans $ 55 $ 51
Benefits paid for unfunded benefit plans 617 367
Cash contributions to defined contribution plans 10,905 8,973
Total cash payments for employee future benefits $ 11,577 $ 9,391

BPLP

BPLP has a funded registered pension plan and an unfunded supplemental pension plan. The funded plan is a contributory, defined benefit plan covering all employees up to the limits imposed by the Income Tax Act. The supplemental pension plan is a non-contributory, defined benefit plan covering all employees with respect to benefits that exceed the limits under the Income Tax Act. These plans are based on years of service and final average salary.

BPLP also has other post-retirement benefit and other post-employment benefit plans that provide for group life insurance, health care and long-term disability benefits. These plans are non-contributory.

The effective date for the most recent valuations for funding purposes on the pension benefit plans is January 1, 2007. The next planned effective date for valuation for funding purposes of the pension benefit plans is set to be January 1, 2008. The status of Cameco's proportionate share (31.6%) of the defined plans is as follows:

(a) Funded Status Reconciliation

  Pension Benefit Plans Other Benefit Plans
  2007  2006  2007  2006 
Fair value of plan assets $ 618,096  $ 605,789  $ –  $ – 
Accrued benefit obligation 816,574  800,050  137,421  141,746 
Funded status of plans – deficit (198,478) (194,261) (137,421) (141,746)
         
Unrecognized prior service cost –  –  3,331  5,856 
Unamortized net actuarial loss 204,342  206,253  30,044  49,034 
Accrued benefit asset (liability) [notes 7, 10] $ 5,864  $ 11,992  $ (104,046) $ (86,856)

(b) Pension Asset Categories

  Asset Allocation Target Allocation
  2007 2006 2007 2006
Asset Category (i)        
Equity securities
57% 71% 60% 70%
Fixed income
42% 28% 40% 30%
Cash
1% 1%
Total 100% 100% 100% 100%

The assets of the pension plan are managed on a going concern basis subject to legislative restrictions. The plan's investment policy is to maximize returns within an acceptable risk tolerance. Pension assets are invested in a diversified manner with consideration given to the demographics of the plan participants. Rebalancing will take place on a monthly basis if outside of 3% of the target asset allocation.

(i) The defined benefit plan assets contain no material amounts of related party assets at December 31, 2007.

(c) Net Pension Expense

  2007  2006 
Current service cost $ 29,093  $ 24,229 
Interest cost 40,658  35,406 
Actual return on plan assets 2,215  (64,194)
Actuarial (gain) loss (34,978) 89,119 
Balance prior to adjustments to recognize the long-term nature of employee future benefit costs 36,988  84,560 
Difference between actual and expected return on plan assets (44,632) 25,679 
Difference between actuarial loss recognized and actual actuarial loss on accrued benefit obligation for year 46,544  (81,322)
Net pension expense $ 38,900  $ 28,917 
 
  2007 2006
Significant assumptions at December 31    
Discount rate
5.3% 5.0%
Rate of compensation increase
3.5% 3.5%
Long-term rate of return on assets
7.0% 7.0%

(d) Other Benefit Plans Expense

  2007  2006 
Current service cost $ 8,423  $ 6,304 
Interest cost 7,272  4,394 
Past service cost (1,829) 5,856 
Actuarial (gain) loss (15,939) 59,563 
Balance prior to adjustments to recognize the long-term nature of employee future benefit costs (2,073) 76,117 
Difference between actual and recognized past service costs for year 2,526  (5,856)
Difference between actuarial gain recognized and actual actuarial loss on accrued benefit obligation for year 18,991  (59,931)
Other benefit plans expense $ 19,444  $ 10,330 
     
  2007 2006
Significant assumptions at December 31    
Discount rate
5.1% 5.0%
Rate of compensation increase
3.5% 3.5%
Initial health care cost trend rate
10.0% 10.0%
Cost trend rate declines to
5.0% 5.0%
Year the rate reaches its final level
2019 2018

A one percentage point increase or decrease in assumed health care cost trend rate would have the following effect:

  Increase Decrease
Effect on December 31, 2007, obligation $23,430 $(19,647)
Aggregate of 2007 current service cost and interest cost 2,575 (2,101)

(e) Pension and Other Post-Retirement Benefits Cash Payments

  2007 2006
Employer contributions to funded pension plans $ 31,284 $ 21,665
Benefits paid for unfunded benefit plans 2,458 1,705
Total cash payments for employee future benefits $ 33,742 $ 23,370

Benefits paid by the funded pension plan were $22,600,000 for 2007 (2006 – $12,500,000). BPLP's expected contributions for the year ended December 31, 2008 are approximately $30,673,000 for the pension benefit plans.

The following are estimated future benefit payments, which reflect expected future service:

  Pension Benefit Plans      Other Benefit Plans
2008 $ 26,100 $ 3,300
2009 29,700 3,700
2010 33,500 4,100
2011 37,300 4,600
2012 41,500 5,100
2013 to 2017 267,600 32,900