BRIGHAM EXPLORATION CO - FORM 10-K - EX-12.1 - EXHIBIT 12.1

file	filename
10-K - FORM 10-K - BRIGHAM EXPLORATION CO	c13309e10vk.htm
EX-21 - EXHIBIT 21 - BRIGHAM EXPLORATION CO	c13309exv21.htm
EX-32.2 - EXHIBIT 32.2 - BRIGHAM EXPLORATION CO	c13309exv32w2.htm
EX-31.1 - EXHIBIT 31.1 - BRIGHAM EXPLORATION CO	c13309exv31w1.htm
EX-23.1 - EXHIBIT 23.1 - BRIGHAM EXPLORATION CO	c13309exv23w1.htm
EX-23.2 - EXHIBIT 23.2 - BRIGHAM EXPLORATION CO	c13309exv23w2.htm
EX-32.1 - EXHIBIT 32.1 - BRIGHAM EXPLORATION CO	c13309exv32w1.htm
EX-31.2 - EXHIBIT 31.2 - BRIGHAM EXPLORATION CO	c13309exv31w2.htm
EX-99.1 - EXHIBIT 99.1 - BRIGHAM EXPLORATION CO	c13309exv99w1.htm

Exhibit 12.1

BRIGHAM EXPLORATION COMPANY

CALCULATION OF RATIO OF EARNINGS TO FIXED CHARGES AND
EARNINGS TO COMBINED FIXED CHARGES AND DIVIDENDS


	(in thousands, except ratios)
	For the years ended December 31,
	2006			2007			2008			2009			2010
Earnings available for fixed charges:

Income (loss) before income taxes (1)	$	32,532		$	16,938		$	(204,948	)	$	(123,225	)	$	43,980
Interest expense, net (2)		8,935			13,784			13,650			15,588			11,019
Preferred dividend reported as interest expense		606			606			608			606			269
Senior Note Discount		148			232			238			238			—

Earnings available	$	42,221		$	31,560		$	(190,452	)	$	(106,793	)	$	55,268


Fixed charges:

Expensed interest (3)	$	8,935		$	13,784		$	13,650		$	15,588		$	11,019
Capitalized interest		2,836			3,466			4,761			4,713			9,770
Preferred dividend and accretion		—			—			—			—			—
Preferred dividend reported as interest expense		606			606			608			606			269
Senior Note Discount		148			232			238			238			—


Fixed charges	$	12,525		$	18,088		$	19,257		$	21,145		$	21,058

Ratio of earnings to fixed charges		3.4	x		1.8	x	NM			NM				2.6	x


(1)		Before the cumulative effect of change in accounting principle.

(2)		Excludes capitalized interest and preferred dividend reported as interest expense.

(3)		Including amortized loan cost.

BRIGHAM EXPLORATION CO - FORM 10-K - EX-12.1 - EXHIBIT 12.1 - March 1, 2011