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AM Best Upgrades Issuer Credit Rating for Arch Capital Group Ltd. and Its Subsidiaries

ACGL
  • AM Best upgraded the Long-Term Issuer Credit Rating of Arch Reinsurance Ltd. to "aa" from "aa-" & affirmed its Financial Strength Rating of A+.
  • The outlook for Arch Reinsurance Ltd. Long-Term ICRs was revised to stable from positive, while the Financial Strength Rating outlook remains stable.
  • AM Best upgraded the Long-Term ICRs of Arch Capital Group Ltd. & its affiliates to "a" from "a-" with outlooks revised to stable from positive.
  • AM Best upgraded Long-Term Issue Credit Ratings for various Arch Capital debt issuances, including senior notes & preferred shares across multiple series.
  • Ratings reflect Arch's "strongest" balance sheet strength, very strong operating performance, favorable business profile, & appropriate enterprise risk management.
  • Arch's unique diversification across reinsurance, insurance, & mortgage insurance segments has provided multiple positive profit streams & consistent results.
  • The group demonstrated earnings diversification & risk selection efficacy in Q1 2025 by outperforming peers despite California wildfires.
  • Arch maintained robust risk-adjusted capital positions based on conservative stress scenarios for its mortgage insurance book of business.
  • Specific affiliates receiving the upgraded Long-Term ICR include Arch Reinsurance Company, Arch Insurance Company, Arch Specialty Insurance Company, & others.
  • Upgraded debt instruments include $300 million senior unsecured notes due 2034, $450 million Series E preferred shares, & $330 million Series F preferred shares.
  • AM Best is a global credit rating agency specializing in the insurance industry with headquarters in the United States.