EXHIBIT 11 — COMPUTATION OF EARNINGS PER SHARE

	Three Months Ended March 31,
(In thousands of dollars, except per share data)	2006		2005
Numerator:
Income before discontinued operations	$	96,814	$	67,118
Loss from discontinued operations, net		—		(19,236	)
Net income		96,814		47,882
Effect of dilutive securities — none		—		—
Numerator for income before discontinued operations per common share — diluted	$	96,814	$	67,118
Numerator for discontinued operations, net per common share — diluted		—		(19,236	)
Numerator for income before discontinued operations per common share — diluted		96,814		47,882
Denominator:
Weighted average common shares		518,139		559,528
Effect of dilutive securities:
Stock options and common stock warrants		677		1,428
Denominator for net income per common share — diluted		518,816		560,956
Net income (loss) per common share:
Income before discontinued operations — basic	$	.19	$	.12
Loss from discontinued operations, net — basic		—		(.03	)
Basic	$	.19	$	.09
Income before discontinued operations — basic	$	.19	$	.12
Loss from discontinued operations, net — basic		—		(.03	)
Diluted	$	.19	$	.09