| March 25, 2026 |
 Notice Regarding the Partial Sale of Shares Owned |
| March 25, 2026 |
Notice Concerning Acquisition of Shares of a Newly Incorporated Company (Wholly-Owned Subsidiary) that Will Succeed to Tokuyama Corporation's Cement Sales Business through an Absorption-Type Company Split |
| March 24, 2026 |
Notice Regarding Receipt of Dividends from a Consolidated Subsidiary |
| March 18, 2026 |
Increase in Initial Salary for New Graduates |
| March 17, 2026 |
Taiheiyo Cement signs Soil Stabilization Business Agreement with PT Semen Indonesia (Persero) Tbk Group |
| March 13, 2026 |
Notice Concerning Completion of Payment and Partial Forfeiture Regarding the Disposal of Treasury Shares as Restricted Stock Incentives for the Employee Stock Ownership Association |
| March 9, 2026 |
Taiheiyo Cement is Recognized as a "Outstanding Organization of KENKO Investment for Health" for Four Consecutive Years |
| February 24, 2026 |
Notice Regarding Transfer of Equity Interest in Consolidated Subsidiary |
| February 24, 2026 |
Notice Concerning Changes in Representative Director |
| February 24, 2026 |
Notice Concerning Change in Representative Director |
| February 10, 2026 |
Consolidated Financial Results for the Nine Months Ended December 31, 2025 |
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*Reference Materials |
| February 10, 2026 |
Notice Regarding the Recording of Impairment Losses on a Consolidated Subsidiary in the Philippines (Consolidated) and Loss on Valuation of Shares of Subsidiaries and Associates (Non-consolidated) on the Said Subsidiary, and the Revision of Financial Results Forecasts for the Fiscal Year Ending March 31, 2026 |
| January 27, 2026 |
Notice Concerning Organizational Changes |
| January 27, 2026 |
Extend the mandatory retirement age to 65 starting in April 2026 |
