To all the members

Name of the Company Daiwabo Information System Co., Ltd. Representative Hirokazu Matsumoto, President and CEO (Code No. 9912, First Section of Tokyo Stock Exchange/Osaka Securities Exchange) Head Office 3-2-5, Hommachi, Chuo-ku, Osaka Contact person Osamu Koyama, Director of Finance and General Manager of Corporate Planning PHONE +81-6-6281-1161

Notice of Partial Amendment of Summary Report on Financial Results (Consolidated) for the term ended March 2005

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We wish to make some amendments to the summary report on financial results (consolidated) for the term ended March 2005, originally disclosed on May 12, 2005. The amended parts are underlined.

Amended parts Page 27 Notes (Related to retirement allowance) 3.Breakdown of expenses for retirement allowance Before amendment

Current term Previous term (1) Work expenses 201 million yen 210 million yen (2) Interest expenses 29 million yen 26 million yen (3) Expected profits from operations (Subtracted) 14 million yen 12 million yen (4) Processed expenses for the difference in calculation 74 million yen 77 million yen (5) Expenses for retirement allowance 300 million yen 301 million yen

After amendment

Current term Previous term (1) Work expenses 210 million yen 210 million yen (2) Interest expenses 29 million yen 26 million yen (3) Expected profits from operations (Subtracted) 14 million yen 12 million yen (4) Processed expenses for the difference in calculation 74 million yen 77 million yen (5) Expenses for retirement allowance 300 million yen 301 million yen

Reference Daiwabo Information System Co., Ltd. Director of financial affairs section Osamu Koyama PHONE +81-6-6281-1161 Fax +81-6-6258-2636

Jun. 13, 2005