OECO, A LEADING MANUFACTURER OF CUSTOM POWER ELECTRONICS FOR THE AEROSPACE AND DEFENSE INDUSTRIES TO ACQUIRE POLYPHASE INSTRUMENT COMPANY.

Portland, OR (August 1, 2006)—OECO, LLC announced that it has entered into an agreement to acquire the assets of Polyphase Instrument Company, Ft. Washington, PA. Polyphase is a leading designer and manufacturer of custom power magnetics devices for the defense, aerospace and high-end industrial markets. Polyphase supplies products for many active military aircraft and naval ships in service in the United States. Polyphase was founded in 1947 and has been a leader in the design and manufacture of both large and small high voltage custom magnetics. Polyphase’s customers include defense manufacturers Northrop Grumman, L-3, Rockwell Collins, DRS, and the US Government.

OECO is a leading designer of custom power supplies and magnetics serving the defense and aerospace industries. OECO is a member of the Pacific Scientific Aerospace and Defense Group.

For information about OECO contact Larry Morin, Vice President of Sales and Engineering, at larrym@oeco or 503-659-7932.