Notification of Company Name Change

11 June 2004

New logo

I am pleased to inform you that STEC Co., Ltd. is to change its name to HORIBA STEC, Co., Ltd. as of July 1, 2004.

STEC has hitherto conducted business under the STEC brand as a member of the Horiba Group, an integrated manufacturer of measuring and analytical devices. This name change will provide an opportunity for the company to deepen its collaboration with other Group companies in line with the philosophy that the "Horiba Group Is One Company," providing total solutions by taking advantage of the brand strength of the Horiba Group, and giving complete customer satisfaction.

Company staff at all levels are united in renewing their resolve to ensure the continuing progress of the company's business, so as to be sure of meeting your expectations. For these efforts we hope to continue receiving your guidance and goodwill.

June 2004

Atsushi Horiba
STEC Co., Ltd.

New company name: HORIBA STEC, Co., Ltd.

Date of change: July 1, 2004