Three Months

Year Ended December 31

Ended March 31

-------------------------------------------------------------------------------------

-----------------------------

1995

1996

1997

1998

1999

1999

2000

--------------

--------------

----------------

----------------

--------------

------------

--------------

(dollar amounts expressed in thousands)

Interest costs

$

135,130

$

128,360

$

137,350

$

159,870

$

146,124

$

37,590

$

36,984

Guarantee of interest on ESOP debt

19,339

17,874

16,341

14,671

12,856

3,279

2,797

Interest capitalized during the period

3,549

17,778

10,575

1,341

238

61

125

Interest factor related to noncapitalized leases(1)

8,600

12,982

11,931

11,308

13,065

2,998

3,033

--------------

--------------

--------------

--------------

--------------

------------

--------------

   Total fixed charges

$

166,618

$

176,994

$

176,197

$

187,190

$

172,283

$

43,928

$

42,939

========

========

=========

=========

========

=======

========

Income (loss) before income taxes,
   minority interest, and cumulative effect of
   accounting change

$

589,410

$

31,340

$

(28,930

)

$

(16,878

)

$

355,940

$

33,535

$

71,846

Undistributed (earnings) losses of less than 50%
   owned entities, net of distributions received

(36,861

)

(1,290

)

5,180

3,791

(6,115

)

(746

)

(2,321

)

Total fixed charges

166,618

176,994

176,197

187,190

172,283

43,928

42,939

Less:   Interest capitalized
           Guarantee of interest on ESOP debt

(3,549
(19,339

)
)

(17,778
(17,874

)
)

(10,575
(16,341

)
)

(1,341
(14,671

)
)

(238
(12,856

)
)

(61
(3,279

)
)

(125
(2,797

)
)

--------------

--------------

--------------

--------------

--------------

------------

--------------

Total earnings before fixed charges

$

696,279

$

171,392

$

125,531

$

158,091

$

509,014

$

73,377

$

109,542

========

========

=========

=========

========

=======

========

Ratio of earnings to fixed charges

4.18

-

-

-

2.95

1.67

2.55

Excess of fixed charges over earnings before
   fixed charges

$

-

$

5,602

$

50,666

$

29,099

$

-

$

-

$

-