OKI Reaches Five Billion Reed Switch Sales


TOKYO, November 18, 2010 - OKI Electric Industry (TSE: 6703) today announced
that OKI Sensor Device, an OKI Group company that develops, manufactures, and sells
reed switches(*1), has reached the landmark figure of five billion reed switch sales.
Following the enhancements to the production facility last month, the facility plans
to expand sales and increase annual production capacity to 400 million.

OKI began producing and selling reed switches in 1966. Reed switches turn on/off using
electromagnetic induction that brings contact points together. OKI established OKI Sensor
Device in 1996 and has continued to expand its operations since then. OKI Sensor Device
currently holds the world's leading share in the reed switch market, providing products to
the worldwide market.

"The five billion sales milestone was achieved in 44 years since the start of the reed
switch production," says Tetsuya Takayashiki, President of OKI Sensor Device. "Today's announcement represents a major achievement for us and we would like to express our
gratitude to the customers worldwide for making this happen. Moving forward, we plan to
meet a diverse range of customer needs by enhancing reliability and functionality of our
products."

The scope of application for reed switches, which are currently used for various applications,
including automobiles, IC testers, home security equipment, and home appliances, is expected
to expand.

*1: Reed switch: A reed switch consists of a pair of ferrous metal reeds enclosed in a
hermetically sealed glass envelope. North and south poles are formed on the reeds upon the
application of a magnetic field. The reed switch operates through magnetic attraction. When
the magnetism is removed, the reed switch returns to its original position due to the elasticity
of the reeds.

About OKI Sensor Device
President              Tetsuya Takayashiki
Address Tachihi Bldg. No.7 4th Fl. 6-1-1, Sakae-cho, Tachikawa-shi, Tokyo, Japan
Number of employees 100 (As of March 31, 2010)
Establishment October 1, 1996
Capital 200 million yen (Investor: OKI Electric Industry 100%)
Business Design, production, and sales of reed switches and modules with embedded reed switches

About OKI Electric Industry (OKI)
Founded in 1881, OKI Electric Industry (OKI) is Japan's leading telecommunications manufacturer.
Headquartered in Tokyo, Japan, OKI provides top-quality products, technologies, and solutions to
customers through its info-telecom systems and printer operations. Its various business division
function synergistically to bring to market exciting new products and technologies that meet a
wide range of customer needs in various sectors . Visit OKI's global website at http://www.oki.com/.

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