| Jun. 10, 2002 | The Results of Tender Offer for Acquisition of Own Shares |
| Jun. 01, 2002 | Revision of Projection for Fiscal Year 2002 |
| May. 17, 2002 | Notice of Tender Offer for Acquisition of Own Shares |
| Jun. 10, 2002 | The Results of Tender Offer for Acquisition of Own Shares |
| Jun. 01, 2002 | Revision of Projection for Fiscal Year 2002 |
| May. 17, 2002 | Notice of Tender Offer for Acquisition of Own Shares |