DUCOMMUN INC /DE/ — Director's Dealing 2013

May 3, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DUCOMMUN INC /DE/ (DCO)
CIK: 0000030305
Period of Report: 2013-05-03

Reporting Person: HEISER JAMES S (VP and General Counsel)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-05-03	Common Stock	M	7500	$18.23	Acquired	19192	Direct
2013-05-03	Common Stock	F	6476	$25.40	Disposed	12716	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-05-03	Option - Right to Buy	$18.23	M	7500	Disposed	2016-06-28	Common Stock (7500)	Direct

Footnotes

F1: The option represents the right to purchase common stock granted under the Ducommun Incorporated Employee Stock Option Plans, which are Rule 16B-3 plans.

F2: The option vested or will vest as to 2,500 shares on each of June 29, 2010, June 29, 2011, June 29, 2012 and June 29, 2013.