Covers future adverse reserve development on Markel's Global Reinsurance and other select insurance lines of business for underwriting years 2025 and prior

RICHMOND, Va., Oct. 28, 2026 /CNW/ -- Markel Insurance, the insurance operations within Markel Group Inc. (NYSE:MKL) and Enstar today announced that they have entered into an adverse development cover ("ADC") reinsurance agreement covering a portfolio of Markel's run-off global reinsurance business and certain exited lines within its insurance operations. The closing of the transaction is subject to regulatory approval and other customary conditions and is expected to occur by the end of the fourth quarter of 2026.

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