Exhibit 12.1

MITCHAM INDUSTRIES, INC.

RATIO OF EARNINGS TO FIXED CHARGES

	Year Ended January 31,
	2015			2014		2013		2012		2011
Earnings
(Loss) Income before income taxes	$	(10,186	)	$	6,026	$	13,524	$	34,330	$	6,794
Fixed charges (as outlined below)		902			314		533		740		756
Total earnings, as defined	$	(9,284	)	$	6,340	$	14,057	$	35,070	$	7,550
Fixed Charges
Interest	$	902		$	314	$	533	$	740	$	756
Ratio of (losses) earnings to fixed charges		(10.29	)		20.19		26.37		47.39		9.99