For the years ended December 31,

2005

2004

2003

2002

2001

Millions

Earnings

Earnings (loss) before income taxes, minority interests, dividends on preferred securities of subsidiary trust and cumulative effect of change in accounting principles

$

798

$

432

$

91

$

78

$

(121

)

Add:

Fixed charges

144

142

134

113

116

Amortization of capitalized interest

5

4

3

6

6

Distributed income of equity investees

110

60

17

10

3

Less:

Equity in earnings of investees

(109

)

(99

)

(66

)

(20

)

(12

)

Capitalized interest

(2

)

—

(1

)

(1

)

(2

)

Preferred dividends of consolidated subsidiaries

—

—

(11

)

(21

)

(11

)

Earnings before fixed charges

$

946

$

539

$

167

$

165

$

(21

)

Fixed charges

Interest expense

$

109

$

111

$

90

$

61

$

77

Capitalized interest

2

—

1

1

2

Amortization of premiums, discounts, and capitalized expenses related to indebtedness

2

4

2

1

1

Interest portion of rental expense(1)

31

27

30

29

25

Preferred dividends of consolidated subsidiaries

—

—

11

21

11

Total fixed charges

$

144

$

142

$

134

$

113

$

116

Ratio of earnings to fixed charges

6.6

3.8

1.2

1.5

N/A

(2)