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Headquarters
PSi Technologies, Inc.
Taguig City,
Metro Manila, Philippines

We are a leading independent provider of power semiconductor assembly and test services to the power semiconductor market. We provide comprehensive assembly and test services to a diverse customer base, which includes most of the major power semiconductor manufacturers in the world. Our top eight power semiconductor customers represented over 90% of our revenues in 2009. They are:

Infineon Technologies
ST Microelectronics
ON Semiconductor
NXP Semiconductors
Power Integrations
Texas Instruments
International Rectifier
IXYS

Our focus on assembly and test services for power semiconductors makes us the preferred service provider in the power semiconductor market. We provide our customers with a broad array of packages and services designed specifically for power semiconductors used in telecommunications and networking systems, computers and computer peripherals, consumer electronics, electronic office equipment, automotive systems and industrial products.

In addition to our power semiconductor assembly and test services, we also provide assembly and test services for specialized non-power semiconductor packages used for industrial, automotive, military and computer peripheral applications. In 2009 approximately 98% of our revenue was from assembly and test services for power semiconductors, while the remainder came from assembly and test services for other standard products.