Tronox S-4 Registration of securities issued in business combination transactions

Exhibit 12.1

TRONOX INCORPORATED

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

	2005			2004			2003			2002			2001
	(Millions of dollars)
Earnings:
Income (loss) from continuing operations, before income taxes	$	68.2		$	(120.1	)	$	(62.8	)	$	(8.0	)	$	(89.8	)
Fixed charges		50.9			34.9			30.5			33.3			56.4
Distributed income from equity method investee		—			—			0.7			—			0.4
Loss (gain) from equity method investee		(2.0	)		(2.4	)		(0.8	)		(0.5	)		(1.1	)
Interest capitalized		(2.1	)		(2.0	)		(1.6	)		(4.0	)		(4.3	)
Total earnings (loss)	$	115.0		$	(89.6	)	$	(34.0	)	$	20.8		$	(38.4	)
Fixed Charges -
Interest expense	$	42.2		$	27.1		$	23.5		$	24.9		$	47.2
Rental expense representative of interest factor		6.6			5.8			5.4			4.4			4.9
Interest capitalized		2.1			2.0			1.6			4.0			4.3
Total fixed charges	$	50.9		$	34.9		$	30.5		$	33.3		$	56.4
Ratio of earnings to fixed charges		2.3			n/a			n/a			n/a			n/a
Inadequate earnings				$	124.5		$	64.5		$	12.5		$	94.8