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Tokyo Stock Exchange Requests Business Improvement Report From Mizuho Investors Securities Co., Ltd.

Date 10/09/2003

Pursuant to TSE's Trading Participant Rule, TSE requested Mizuho Investors Securities Co., Ltd. to submit a business improvement report regarding enforcement of its internal control system, reexamination and construction of sales management, measures to prevent the recurrence of this case, and clarification of locus of responsibility.

The General Manager of Sales Department in Head Office of the company, from July 2001 to January 2003, in the course of the business, made representation of misleading statements on a material matter with regard to an investment technique which combined trade in exchange-traded fund (''ETFs'') and stock price index option transaction, by delivering or showing materials which do not properly reflect investment return and results to many individual investors.

The foregoing acts of the company are acknowledged to fall under the ''act of making representation of a misleading statement on any material matter in connection with the sale or purchase of, or any other form of transaction in, a security and trade in options contracts on a security, etc'' provided for in Item (1), Article 4 of the Ordinance of Cabinet Office Concerning Regulation, etc. of Conducts of Securities Company based upon Item 9, Paragraph 1 of Article 42 under the Securities and Exchange Law.