Contract analysis

I. Background & Triggering Events

II. Engagement Overview & Timeline

III. Committee Charter Overhaul — Key Changes (Five Restated Charters)

IV. New Technology & Cybersecurity Oversight Committee

V. Delegation of Authority Matrix — Current vs. Proposed Thresholds

VI. Corporate Governance Guidelines — Key Amendments

VII. Conforming Bylaw Amendments

VIII. Delaware Law & NYSE Compliance Summary

IX. Post-Adoption Regulatory Filing Timeline

XI. Appendix: Committee Composition Matrix [slide 3] Background & Triggering Events Garrett & Whitfield LLP Management Letter (March 14, 2025): Three observations — (1) inconsistent dollar thresholds between parent DOA Matrix and subsidiary-level authorities; (2) absence of a formal Technology & Information Security Committee charter; (3) Lone Star Specialty claims-settlement authorities exceeded board-approved thres

Article III, Section 3.3: Updated to reference six (6) standing committees (from five) to accommodate the new Technology & Cybersecurity Oversight Committee

Article III, Section 3.4: Revised committee-appointment mechanics — annual appointment at the first board meeting following the annual shareholders' meeting

Article IV, Section 4.2: Officer authority provisions updated to cross-reference the Delegation of Authority Matrix Redline of Articles III and IV included in board book Adoption via board resolution (separate bylaw amendment resolution provided) [slide 16] Delaware Law Compliance Summary DGCL § 141(a): Board authority to manage business and affairs; delegation to officers permissible within fiduciary limits DGCL § 1

1. Adopt the five Restated Committee Charters (Audit; Compensation & Human Capital; Nominating & Corporate Governance; Risk; Investment)

2. Adopt the new Charter of the Technology & Cybersecurity Oversight Committee and appoint initial members (Priya Narasimhan, Chair; Victor L. Andrade; Camille R. DuPont, non-voting advisory)

3. Approve the Revised Delegation of Authority Matrix (parent level) and Model Subsidiary DOA Template

4. Adopt the Amended & Restated Corporate Governance Guidelines

5. Adopt the Conforming Bylaw Amendments (Articles III and IV)

6. Approve the Omnibus Board Resolution encompassing all of the above

7. Authorize officers to make SEC filings (Form 8-K), NYSE notifications, and corporate website postings

8. Ratify all prior actions taken in connection with the governance overhaul project Alternative: Written Consent of the Board available if in-meeting adoption is not completed (requires all 11 director signatures) [slide 20] Key Dates — Post-Meeting Calendar December 11, 2025: Board adoption (today) December 15, 2025: Form 8-K filing with SEC; updated charters and governance documents posted to corporate website (NY