TDK Semiconductor Corporation announces the change of its corporate name to Teridian Semiconductor Corporation

IRVINE, CA (August 17, 2005) – TDK Semiconductor Corporation, a leader in mixed-signal integrated circuits has announced that it has changed its name to Teridian Semiconductor Corporation. The name change is effective immediately.

As previously announced April 8, 2005 Golden Gate Capital, in partnership with the US-based management team completed the acquisition of the company from TDK-USA, a subsidiary of the Japan-based TDK Corporation.

“The company’s new name, Teridian Semiconductor Corporation represents an important step in our evolution as a leading mixed-signal device company. We believe the timing of the re-branding is especially important as we launch a number of new products in the residential and industrial meter, Ethernet, and WAN markets ” said Gerald Fitch, President and Chief Executive Officer of Teridian Semiconductor Corporation.

David Dominik, Managing Director of Golden Gate Capital commented, “The re-branding, coupled with management’s efforts to further focus their product development strategy represents an excellent example of Golden Gate Capital’s partnership with management to build a world-class semiconductor company.”

The company is working with its customers to facilitate a seamless name change transition.

About Golden Gate Capital

Golden Gate Capital is a San Francisco-based private equity investment firm with approximately $2.5 billion of capital under management. Golden Gate is dedicated to partnering with world-class management teams to invest in change-intensive, growth businesses. The firm targets investments of up to $200m in situations where there is a demonstrable opportunity to significantly enhance a company’s value. The principals of Golden Gate have a long and successful history of investing with management partners across a wide range of industries and transaction types, including leverage buyouts, recapitalizations, corporate divestitures and spin-offs, build-ups and venture stage investing. For more information, visit www.goldengatecap.com.

About Teridian Semiconductor Corp.

Teridian Semiconductor Corp. based in Irvine, CA is a fabless semiconductor company which designs and develops advanced analog and mixed–signal integrated circuits. We provide our customers world-class solutions based on the latest CMOS technology. Our specific areas of expertise are residential and industrial electricity meter controllers, smart card reader authentication, modems and modem AFE products, audio/video switching, and telecom line interface units.