EXHIBIT 11.1

CROWN CASTLE INTERNATIONAL CORP.

COMPUTATION OF NET LOSS

PER COMMON SHARE

(IN THOUSANDS OF DOLLARS, EXCEPT PER SHARE AMOUNTS)

	Three Months Ended September 30,						Nine Months Ended September 30,
	2005			2006			2005			2006
	(As restated)						(As restated)
Income (loss) from continuing operations	$	(25,536	)	$	(15,561	)	$	(379,082	)	$	(41,275	)
Dividends on preferred stock		(9,429	)		(5,201	)		(28,650	)		(15,604	)
Income (loss) from continuing operations applicable to common stock for basic and diluted computations		(34,965	)		(20,762	)		(407,732	)		(56,879	)
Income (loss) from discontinued operations, net of tax		—			—			848			5,657
Net income (loss) applicable to common stock for basic and diluted computations	$	(34,965	)	$	(20,762	)	$	(406,884	)	$	(51,222	)
Weighted-average number of common shares outstanding during the period for basic and diluted computations (in thousands)		215,664			201,070			219,167			209,406
Per common share—basic and diluted:
Income (loss) from continuing operations	$	(0.16	)	$	(0.10	)	$	(1.86	)	$	(0.27	)
Income (loss) from discontinued operations		—			—			—			0.03
Net income (loss)	$	(0.16	)	$	(0.10	)	$	(1.86	)	$	(0.24	)