Exhibit 11

DUCOMMUN INCORPORATED AND SUBSIDIARIES

RECONCILIATION OF THE NUMERATORS AND DENOMINATORS OF

THE BASIC AND DILUTED EARNINGS PER SHARE COMPUTATIONS

	For Quarter Ended June 28, 2008
	Income (Numerator)		Shares (Denominator)	Per-Share Amount
Basic EPS
Income Available to Common Stockholders	$	5,831,000	10,572,000	$	0.55
Effect of Dilutive Securities
Stock Options		—	112,000
Diluted EPS
Income Available to Common Stockholders + Assumed Conversions	$	5,831,000	10,684,000	$	0.55
	For Quarter Ended June 30, 2007
	Income (Numerator)		Shares (Denominator)	Per-Share Amount
Basic EPS
Income Available to Common Stockholders	$	4,571,000	10,361,000	$	0.44
Effect of Dilutive Securities
Stock Options		—	113,000
Diluted EPS
Income Available to Common Stockholders + Assumed Conversions	$	4,571,000	10,474,000	$	0.44

DUCOMMUN INCORPORATED AND SUBSIDIARIES

RECONCILIATION OF THE NUMERATORS AND DENOMINATORS OF

THE BASIC AND DILUTED EARNINGS PER SHARE COMPUTATIONS

	For Six Months Ended June 28, 2008
	Income (Numerator)		Shares (Denominator)	Per-Share Amount
Basic EPS
Income Available to Common Stockholders	$	11,083,000	10,562,000	$	1.05
Effect of Dilutive Securities
Stock Options		—	109,000
Diluted EPS
Income Available to Common Stockholders + Assumed Conversions	$	11,083,000	10,671,000	$	1.04
	For Six Months Ended June 30, 2007
	Income (Numerator)		Shares (Denominator)	Per-Share Amount
Basic EPS
Income Available to Common Stockholders	$	8,371,000	10,331,000	$	0.81
Effect of Dilutive Securities
Stock Options		—	105,000
Diluted EPS
Income Available to Common Stockholders + Assumed Conversions	$	8,371,000	10,436,000	$	0.80