June 2007, Warrendale, PA—Mitsubishi Electric Power Products, Inc. (MEPPI)
recently completed the purchase of the former Asten-Johnson site to
accommodate the continued growth of its business. The newly acquired
building is located between MEPPI’s headquarters building at 530 Keystone
Drive and the gas circuit breaker division’s 512 Keystone Drive building.

The former Asten-Johnson building, now called the 520 building, will house
portions of four MEPPI businesses including:
•Transportation Systems—office staff, factory operations, repair service,
and spare parts
•Ozone (water purification)—factory operations and spare parts
•Substation—spare parts and equipment for field installation and test
•Uninterruptible Power Supply (UPS)—factory operation and spare parts
including warehousing operations, factory test, and repair

The 520 building is currently being refurbished for occupation to begin in
September 2007.

Other MEPPI expansion projects include the move of Diamond Vision’s factory
operation to the 530 Keystone Drive building and the addition of a fourth bay to
the 512 Keystone Drive building for increased production capacity and efficiency
of material flow. The completion date for these projects is March 2008.

Mitsubishi Electric Power Products, Inc. (MEPPI) serves the North American
power systems, metals production, rail transportation and water treatment
industries with electrical and electronic products, systems and services. In
addition, MEPPI’s US manufactured gas circuit breakers are exported around the
world. As a comprehensive supplier, MEPPI offers application assistance,
engineering studies and analysis and after-sales services.
Headquartered in Warrendale, PA, MEPPI is a subsidiary of Mitsubishi Electric
Corporation of Japan, and one of the Mitsubishi Electric and Electronics USA
(MEUS) group of companies.

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