Shareholder Information

Ducommun Incorporated common stock is listed on the New York Stock Exchange (Symbol DCO)

Register & Transfer Agent
Computershare, Inc.
P.O. Box 30170
College Station, TX 77842
Toll Free (800) 522-6645
International (201) 680-6578
Hearing Impaired (800) 952-9245

Shareholder Inquiries
Information related to share certificates should be directed to the transfer agent. For other inquiries, contact:

Primary Investor Relations Contact
Chris Witty, Darrow Associates
Phone: 646.438.9385

Company Contact
Douglas Groves
Vice President, Chief Financial Officer & Treasurer
Phone: 310.513.7224

Independent Registered Public Accounting Firm
PricewaterhouseCoopers LLP
601 S. Figueroa St.
Los Angeles, CA 90017
Phone: 213.356.6000