EXHIBIT 12

Willbros Group, Inc.

Statements Regarding Computation of Ratios

	Six Months Ended			Year Ended December 31,
	June 30, 2013			2012			2011			2010			2009		2008
Earnings:
Earnings (loss) from continuing operations before income taxes	$	(6,884	)	$	(18,564	)	$	(243,941	)	$	(53,638	)	$	14,995	$	18,923
Plus: Fixed charges		20,693			37,451			48,927			31,205			13,329		14,908
Total Earnings	$	13,809		$	18,887		$	(195,014	)	$	(22,433	)	$	28,324	$	33,831
Fixed Charges:
Interest expense	$	10,362		$	20,305		$	29,576		$	20,009		$	5,919	$	10,846
Amortization of debt expense		4,775			9,237			15,582			8,225			4,352		1,518
Rental expense attributed to interest (1/3)		5,556			7,909			3,769			2,971			3,058		2,544
Total Fixed Charges:	$	20,693		$	37,451		$	48,927		$	31,205		$	13,329	$	14,908
Ratio of earnings to fixed charges		(1	)		(1	)		(1	)		(1	)		2.12		2.27

(1) - Earnings for the year ended December 31, 2012, 2011 and 2010 and for the six months ended June 30, 2013 were insufficient to cover fixed charges by $18.6 million, $243.9 million, $53.6 million and $6.9 million, respectively.