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• Dec 26, 2025 （Summary）Notice of Personnel Changes(PDF/38KB)
• Dec 26, 2025 Sompo to Deploy AI Agents to Approximately 30,000 Employees at Domestic Group Companies -Driving Business Model Transformation Through AI-(PDF/212KB)
• Dec 25, 2025 Announcement Concerning Commencement of Tender Offer for Share Certificates, etc. of Nousouken Corporation (Stock Code: 3541) by Sompo Light Vortex, Inc., a Subsidiary of the Company(PDF/620KB)
• Dec 24, 2025 Solvency Margin Ratio on a Consolidated Basis as of September 30, 2025 [Topics]
• Dec 23, 2025 Launching One of Japan’s Largest Health Promotion Empirical Research Projects -Accelerating employee wellbeing and wellness management through a study of approximately 10,000 participants-(PDF/154KB)
• Dec 18, 2025 Capital and Business Alliance with Kamakura Shinsho -Accelerating the SOMPO Wellbeing business through connection and collaboration to create new value-(PDF/186KB)
• Dec 15, 2025 Status of Progress on the Business Improvement Plans (Update on disclosed matter as of November 30, 2025)(PDF/1,956KB)
• Nov 19, 2025 Announcement of FY2025 2nd Quarter Results
• Nov 19, 2025 Revision of Forecasts of Consolidated Financial Results for the Fiscal Year ending March 31, 2026(PDF/108KB)
• Nov 19, 2025 Announcement regarding Details of Share Buybacks(PDF/90KB)
• Nov 19, 2025 Announcement regarding Progress and Completion of Share Buybacks(PDF/124KB)
• Nov 06, 2025 Announcement regarding Progress of Share Buybacks(PDF/123KB)
• Nov 06, 2025 Publication of "Integrated Annual Report 2025"
• Oct 03, 2025 Notice of Appointment of Executive Officer(PDF/64KB)
• Oct 03, 2025 Announcement regarding Progress of Share Buybacks(PDF/123KB)
• Oct 01, 2025 Establishment of Sompo Wellbeing Inc. – Toward realization of a society where people think positively about aging –(PDF/201KB)
• Sep 25, 2025 Notice of Appointment of Executive Officer(PDF/63KB)
• Sep 24, 2025 Solvency Margin Ratio on a Consolidated Basis as of June 30, 2025 [Topics]
• Sep 12, 2025 Status of Progress on the Business Improvement Plans (Update on disclosed matter as of August 31, 2025)(PDF/3,525KB)
• Sep 05, 2025 (Summary) Notice of Personnel Changes(PDF/39KB)
• Sep 03, 2025 Announcement regarding Progress of Share Buybacks(PDF/123KB)
• Aug 27, 2025 Sompo to Acquire Aspen for $3.5 Billion(PDF/111KB)
• Aug 27, 2025 Agreement to Acquire Aspen Insurance Holdings Limited(PDF/169KB)
• Aug 14, 2025 Announcement of FY2025 1st Quarter Results
• Aug 05, 2025 Announcement regarding Progress of Share Buybacks(PDF/123KB)
• Aug 01, 2025 Sompo Holdings creates business development hub for growth investments(PDF/82KB)
• Jul 31, 2025 Sompo Holdings names Co-Chief Digital Officers to accelerate its DDAX strategy(PDF/147KB)
• Jul 03, 2025 Announcement regarding Progress of Share Buybacks(PDF/123KB)
• Jul 01, 2025 Launch of “wellbio Biz” Service that Supports Balancing Work with Nursing Care(PDF/171KB)
• Jun 30, 2025 Solvency Margin Ratio on a Consolidated Basis as of March 31, 2025 [Topics]
• Jun 13, 2025 Status of Progress on the Business Improvement Plans (Progress on Disclosure Items as of May 31, 2025)(PDF/2,985KB)
• Jun 11, 2025 Regarding Unauthorized Access to Our Subsidiary's System and the Possibility of Information Leakage(PDF/240KB)
• Jun 06, 2025 （Summary）Notice of Personnel Changes(PDF/37KB)
• Jun 03, 2025 Formulation of the “Sompo’s Work Styles and Workplaces” Principle- Relocating Group Head Office Functions as the First Step Toward Realizing the Principle -(PDF/146KB)
• May 30, 2025 Submission of Business Improvement Plan by our Subsidiary(PDF/238KB)
• May 20, 2025 Announcement of FY2024 Results
• May 20, 2025 Variance from forecasts and actual results of consolidated financial results for the fiscal year ended March 31, 2025(PDF/113KB)
• May 20, 2025 Announcement regarding Details of Share Buybacks and Cancellation of Treasury Stock(PDF/96KB)
• May 20, 2025 Notice Concerning Additional Monetary Contributions to the Board Benefit Trust (BBT)(PDF/59KB)
• May 20, 2025 Notice Regarding Changes in Directors and Executive Officers(PDF/165KB)
• May 20, 2025 Announcement regarding Progress and Completion of Share Buybacks(PDF/126KB)
• May 07, 2025 Announcement regarding Progress of Share Buybacks(PDF/122KB)
• Apr 09, 2025 Sompo Holdings, Inc. selected as one of the top 15% worldwide in S&P Global's Sustainability Yearbook 2025 [Topics](PDF/220KB)
• Apr 03, 2025 Announcement regarding Progress of Share Buybacks(PDF/126KB)
• Mar 27, 2025 Solvency Margin Ratio on a Consolidated Basis as of December 31,2024 [Topics]
• Mar 26, 2025 Announcement regarding Voluntary Adoption of International Financial Reporting Standards (IFRS)(PDF/111KB)
• Mar 25, 2025 Administrative Sanctions on Subsidiary by Financial Services Agency(PDF/226KB)
• Mar 14, 2025 Status of Progress on the Business Improvement Plans (Progress on Disclosure Items as of February 28, 2025)(PDF/3,206KB)
• Mar 05, 2025 Announcement regarding Progress of Share Buybacks(PDF/128KB)
• Feb 14, 2025 Announcement of FY2024 3rd Quarter Results
• Feb 14, 2025 New Group Management Structure and Executive Officer Appointments(PDF/220KB)
• Feb 06, 2025 Sompo Holdings, Inc. recognized with prestigious A score for Climate Action by CDP [Topics](PDF/109KB)
• Feb 05, 2025 Announcement regarding Progress of Share Buybacks(PDF/124KB)
• Jan 08, 2025 Announcement regarding Progress of Share Buybacks(PDF/124KB)

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