譲渡制限付株式報酬としての自己株式の処分に関するお知らせ

第79期（2026年3月期）報告書

株主総会 第79回 定時株主総会決議ご通知

非上場の親会社等の決算に関するお知らせ

支配株主等に関する事項について

2026年3月期 有価証券報告書

General Meeting of Shareholders Notice of Convocation of the 79th Ordinary General Meeting of Shareholders

General Meeting of Shareholders Other matters to be provided electronically at the 79th Ordinary General Meeting of Shareholders

Timely disclosure Notice regarding the status and completion of share repurchase

Timely disclosure Notice regarding decision on matters related to share buybacks

Timely disclosure Financial Results Presentation Materials for the Fiscal Year Ended March 2026

Financial Summary Summary of financial results for the fiscal year ending March 31, 2020 [Japanese standards] (consolidated)

Financial Summary Summary of financial results for the third quarter of the fiscal year ending March 31, 2020 [Japanese standards] (consolidated)

information (Correction) Notice of organizational changes and personnel changes

materials Interim report for the 79th term (ending March 2026)

Announcement Semi-annual report for the year ending March 2026

Timely disclosure Financial Results Briefing for the Second Quarter (Interim) of the Fiscal Year Ending March 2026

Financial Summary Summary of financial results for the second quarter (interim period) of the fiscal year ending March 31, 2020 [Japanese GAAP] (consolidated)

Timely disclosure Notice regarding revision of earnings forecast for the second quarter (interim period) of the fiscal year ending March 2026

Financial Summary Summary of financial results for the first quarter of the fiscal year ending March 31, 2020 [Japanese standards] (consolidated)

Timely disclosure Notice Concerning Completion of Payment for Disposal of Treasury Stock as Restricted Stock Compensation

notice Notice of the Director' Resolution Concerning the Disposal of Treasury Stock

Timely disclosure Notice regarding the status and completion of share repurchase

Timely disclosure Matters concerning controlling shareholders, etc.

Timely disclosure Announcement regarding financial results of unlisted parent companies

Timely disclosure Notice regarding disposal of treasury stock as restricted stock compensation

materials 78th term (ending March 2025) report

Announcement Securities Report for the Fiscal Year Ending March 2025

General Meeting of Shareholders Notice of Resolutions of the 78th Ordinary General Meeting of Shareholders

Timely disclosure Notice regarding the status of share repurchases

General Meeting of Shareholders Notice of the 78th Ordinary General Meeting of Shareholders

General Meeting of Shareholders 78th Ordinary General Meeting of Shareholders Other Electronic Provisions

Financial Summary Summary of financial results for the fiscal year ending March 31, 2020 [Japanese standards] (consolidated)

Timely disclosure Financial Results Briefing for the Fiscal Year Ending March 2025

Timely disclosure Notice regarding decision on matters related to share buybacks

Timely disclosure Notice regarding the difference between the full-year performance forecast and actual results for the fiscal year ending March 2025

Timely disclosure Notice regarding dividends (increased dividends) from surplus funds

information Notice regarding dissolution of overseas consolidated subsidiary

Timely disclosure Notice regarding completion of payment for issuance of new shares through third-party allotment and disposal of treasury stock

Timely disclosure Regarding capital and business alliance with JGC Corporation, issuance of new shares through third-party allotment and disposal of treasury stock, and changes in major shareholders, the largest major shareholder and other affiliated companies

Financial Summary Summary of financial results for the third quarter of the fiscal year ending March 31, 2020 [Japanese standards] (consolidated)