EXHIBIT 11

ESTERLINE TECHNOLOGIES CORPORATION

Computation of Basic and Diluted Earnings Per Common Share

For the Three and Nine Month Periods Ended July 27, 2012 and July 29, 2011

(Unaudited)

(In thousands, except per share amounts)

	Three Months Ended						Nine Months Ended
	July 27,     2012			July 29,     2011			July 27,     2012		July 29,     2011
Net Sales	$	485,949		$	409,512		$	1,461,662	$	1,215,588
Gross Margin		172,096			143,539			514,700		436,608
Net Earnings (Loss) from Continuing
Operations Attributable to Esterline	$	(17,104	)	$	37,741		$	50,875	$	113,675
Loss from Discontinued Operations
Attributable to Esterline, Net of Tax		0			(46	)		0		(75	)
Net Earnings (Loss) Attributable to Esterline	$	(17,104	)	$	37,695		$	50,875	$	113,600
Basic
Weighted Average Number of
Shares Outstanding		30,835			30,579			30,712		30,475
Earnings (Loss) Per Share Attributable to Esterline – Basic:
Continuing Operations	$	(.55	)	$	1.23		$	1.66	$	3.73
Discontinued Operations		.00			.00			.00		.00
Earnings (Loss) Per Share Attributable
to Esterline – Basic	$	(.55	)	$	1.23		$	1.66	$	3.73
Diluted
Weighted Average Number of
Shares Outstanding		30,835			30,579			30,712		30,475
Net Shares Assumed to be Issued
for Stock Options		0			681			554		669
Weighted Average Number of Shares
and Equivalent Shares
Outstanding – Diluted		30,835			31,260			31,266		31,144
Earnings (Loss) Per Share Attributable to Esterline – Diluted:
Continuing Operations	$	(.55	)	$	1.21		$	1.63	$	3.65
Discontinued Operations		.00			.00			.00		.00
Earnings (Loss) Per Share Attributable
to Esterline – Diluted	$	(.55	)	$	1.21		$	1.63	$	3.65