Arch Capital Group Ltd. (ACGL) 8-K Summary

Arch Reinsurance Ltd., a subsidiary, executed Amendment No. 5 to its Letter of Credit Facility Agreement on October 29, 2025.

• Facility Size: Remains at $700 million.
• Key Change: The Availability Period is extended from May 31, 2025, to May 31, 2026.
• Purpose: To secure extensions of Letters of Credit for the 2026 underwriting year of account.

This action secures essential contingent liquidity support for ArchRe for the upcoming year.

The amendment maintains the structure with Lloyds Bank as Administrative Age