Ducommun Incorporated Announces $15 Million Contract for Boeing 787 Enclosures and Harnesses.

LOS ANGELES -- Ducommun Incorporated (NYSE:DCO) today announced that its Ducommun Technologies, Inc. (DTI) subsidiary has been awarded a $15 million contract from Hamilton Sundstrand for the manufacture of mechanical enclosures and wire harnesses used on the Boeing 787 aircraft. All engineering and first article development will be performed at DTI's Phoenix, Arizona, facility, with production starting in 2008 performed at DTI's facility in Thailand.

Joseph C. Berenato, chairman and chief executive officer of Ducommun, stated, "We are pleased to have been selected by Hamilton Sundstrand for this statement of work, which represents Ducommun's first significant contract on Boeing's new 787 Dreamliner. Further, this contract highlights DTI's broad range of capability from engineering and first article production in our Phoenix facility, to full rate production in our new Thailand facility, which will begin operation this summer."

Ducommun Technologies is a leading technology company with design, development, manufacturing, integration, and test capabilities in the areas of missiles, space, sensor, simulations, complex electronic/mechanical assemblies, illuminated cockpit displays, RF systems, and space qualified motion control devices.

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

Hamilton Sundstrand, a unit of United Technologies Corp. (NYSE:UTX), is a leading supplier of aircraft systems and services. Headquartered in Windsor Locks, Connecticut, it employs approximately 16,000 people worldwide. United Technologies, based in Hartford, Connecticut, is a diversified company that provides high-technology products and services to the aerospace and building industries.

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, 2005 and Form 10-Q for the quarter ended April 1, 2006 for a more detailed discussion of these and other risk factors and contingencies.