EXHIBIT 11

DUCOMMUN INCORPORATED AND SUBSIDIARIES

RECONCILIATION OF THE NUMERATORS AND DENOMINATORS OF

THE BASIC AND DILUTED EARNINGS PER SHARE COMPUTATIONS

	For the Quarter Ended July 3, 2004
	Income (Numerator)		Shares (Denominator)	Per-Share Amount
Basic EPS
Income Available to Common Stockholders	$	4,307,000	9,966,000	$	0.43
Effect of Dilutive Securities
Stock Options			225,000
Diluted EPS
Income Available to Common Stockholders + Assumed Conversions	$	4,307,000	10,191,000	$	0.42
	For the Quarter Ended July 5, 2003
	Income (Numerator)		Shares (Denominator)	Per-Share Amount
Basic EPS
Income Available to Common Stockholders	$	3,991,000	9,874,000	$	0.40
Effect of Dilutive Securities
Stock Options		—	23,000
Diluted EPS
Income Available to Common Stockholders + Assumed Conversions	$	3,991,000	9,897,000	$	0.40

	For the Six Months Ended July 3, 2004
	Income (Numerator)		Shares (Denominator)	Per-Share Amount
Basic EPS
Income Available to Common Stockholders	$	6,538,000	9,943,000	$	0.66
Effect of Dilutive Securities
Stock Options			262,000
Diluted EPS
Income Available to Common Stockholders + Assumed Conversions	$	6,538,000	10,205,000	$	0.64
	For the Six Months Ended July 5, 2003
	Income (Numerator)		Shares (Denominator)	Per-Share Amount
Basic EPS
Income Available to Common Stockholders	$	7,099,000	9,873,000	$	0.72
Effect of Dilutive Securities
Stock Options		—	22,000
Diluted EPS
Income Available to Common Stockholders + Assumed Conversions	$	7,099,000	9,895,000	$	0.72