Ducommun Incorporated Announces Grand Opening of the Manufacturing Facility in Guaymas, Mexico.

LOS ANGELES -- Ducommun Incorporated (NYSE:DCO) today announced that its Ducommun AeroStructures, Inc. (DAS) subsidiary has opened and begun production in its new manufacturing facility in Guaymas, Mexico. Initial production includes the final assembly and painting of spoilers for the Boeing Next-Generation 737, and will expand in support of DAS's commitment to manufacturing other high quality structural components and subassemblies for commercial aircraft. The facility is located in Guaymas, in the Mexican State of Sonora approximately five hours south of Tucson, Arizona on the eastern shore of the Gulf of California, 80 miles from Sonora's capital city of Hermosillo. DAS is developing the site to accommodate future expansion of the facility as required to meet the growing needs of the global marketplace.

Joseph C. Berenato, chairman, president and chief executive officer of Ducommun, stated, "We have begun production less than a year after approval from the Ducommun Board of Directors to invest in this project. Our initial production will focus on final assembly and painting of spoilers for Boeing's Next-Generation 737. We intend to increase our capacity to meet both Boeing's demand and structural assemblies for other customers in the global aerostructures marketplace. Guaymas represents our second offshore facility, having opened in Saraburi, Thailand in 2006."

Ducommun AeroStructures manufactures and integrates complex structural components and assemblies, with industry recognized strengths in composite and metal bonding, metal forming, finishing and assemblies, chemical milling, and SPF & hot forming of Titanium for both commercial and military aviation industries globally.

Founded in 1849, Ducommun Incorporated provides engineering and manufacturing services for the aerospace and defense industry.

The statements made in this press release include forward-looking statements that involve risks and uncertainties. The Company's future financial results could differ materially from those anticipated due to the Company's dependence on conditions in the airline industry, the level of new commercial aircraft orders, production rates for Boeing commercial aircraft, the C-17 and Apache helicopter rotor blade programs, the level of defense spending, competitive pricing pressures, manufacturing inefficiencies, start-up costs and possible overruns on new contracts, technology and product development risks and uncertainties, product performance, risks associated with acquisitions and dispositions of businesses by the Company, increasing consolidation of customers and suppliers in the aerospace industry, possible goodwill impairment, availability of raw materials and components from suppliers, and other factors beyond the Company's control. See the Company's Form 10-K for the year ended December 31, 2006 and Form 10-Q for the quarter ended June 30, 2007 for a more detailed discussion of these and other risk factors and contingencies.