Masimo (MASI) 10-Q 2015 Q3 Quarterly report

Exhibit 12.1

Masimo Corporation Ratio of Earnings to Fixed Charges (dollars in thousands)
	Nine Months Ended		Fiscal Year Ended
	October 3, 2015		January 3, 2015		December 28, 2013		December 29, 2012		December 31, 2011			January 1, 2011
Ratio of earnings to fixed charges:
Income before provision for income taxes	$	81,336	$	102,041	$	75,726	$	83,821	$	86,531		$	107,569
Fixed charges	3,276		3,381		2,705		2,514		1,910			1,941
Noncontrolling interests in pre-tax (income) loss	2,712		2,350		607		744		(58		)	(676		)
Total earnings	$	87,324	$	107,772	$	79,038	$	87,079	$	88,383		$	108,834
Fixed charges
Interest expensed	$	1,641	$	594	$	28	44		$	116		$	23
Estimated of interest within rental expense	1,635		2,787		2,677		2,470		1,794			1,918
Total fixed charges	$	3,276	$	3,381	$	2,705	$	2,514	$	1,910		$	1,941
Ratio of earnings to fixed charges	26.66		31.88		29.22		34.64		46.27			56.07

In the periods presented, there were no shares of preferred stock outstanding and no dividends paid on preferred stock. Therefore, the ratios of earnings to fixed charges and preferred stock dividends are not different from the ratios of earnings to fixed charges.