Markel CorporationCapstone's inclusion in State National's pooling agreement strengthens Markel's overall insurance operations and balance sheet.

AM Best has assigned a Financial Strength Rating of A (Excellent) and a Long-Term Issuer Credit Rating of "a+" (Excellent) to Capstone Specialty Insurance Company, with a stable outlook. The ratings reflect Capstone's inclusion in the existing pooling agreement of State National Group, a unit of Markel Group Inc., effective January 1, 2026. Capstone will provide property/casualty coverages on an excess and surplus lines basis in support of State National's agents. As a result of the pooling agreement, Capstone's operating performance and financial strength reflect that of the pool as a whole. The ratings also consider State National's balance sheet strength, which AM Best assesses as strongest, along with its strong operating performance, neutral business profile, and appropriate enterprise risk management.
Markel CorporationCapstone's inclusion in State National's pooling agreement strengthens Markel's overall insurance operations and balance sheet.
AM Best assigned A (Excellent) ratings and stable outlook to Capstone, reflecting strong financial strength and operating performance.
State National's pooling agreement with Capstone enhances its capacity and is supported by AM Best's assessment of its strongest balance sheet.