Mondo Visione Worldwide Financial Markets Intelligence

FTSE Mondo Visione Exchanges Index:

Tokyo Stock Exchange: Regarding Measures Of Increasing System Capacity

Date 25/07/2006

With respect to urgent increase in the system capacity in an effort to ensure the trustworthiness of the market of Tokyo Stock Exchange, Inc. (TSE), TSE implemented as the first step the measures for augmenting the capacity of its stock/CB trading system and clearing system last May.

Following this, with regards to the measures for augmenting the capacity of the stock/CB trading system and the market information system slated to be implemented by the end of the year, the specific contents and the implementation schedule thereof are determined as described in the items 1 and 2 below.

TSE is continuously committed to securing confidence in its market by making several other improvements in market operation from the market users' viewpoint, through, among others, looking into further system capacity augmentations and development of the next generation system.

We sincerely ask for your kind understanding and support.

1. Outline of the measures for increasing system capacity

Systems
Outline of improvement measures
Implementation date
Stock/CB trading system Number of orders per day : 14 million
(Currently 12 million)
November 6, 2006
Market information system Limit of messages per minute: 30,000 per minute
(out of which 27,000 are related to stock information)
(Currently 20,000 per minute (out of which 19,000 are related to stock information)

2. Amount of investment

Approximately 1.8 billion yen

This English version announcement is not an officially accurate translation of the original Japanese announcement. In the case where any differences may occur in the English version, the original Japanese announcement will prevail. TSE shall not accept any responsibility for damages caused by any errors, inaccuracies, misunderstandings or misspelling with regard to the translation of the announcement. This announcement may be used only for reference purposes. Tokyo Stock Exchange, Inc. maintains the right to claim compensation from violators for any damages it may suffer from the violation of these conditions.