Arch Capital Group (ACGL) investor relations material

Business overview and global presence

• Operates as a leading global specialty insurer with segments in insurance, reinsurance, and mortgage across North America, Europe, Asia, and Australia.

• Gross premiums written reached $22.8B for the trailing twelve months ending June 30, 2026.

• Maintains a workforce of approximately 8,000 employees worldwide and total capitalization of $28.3B.

• Financial strength ratings are AA- (S&P) and A+ (A.M. Best), and is a member of the S&P 500 index.

Segment performance and diversification

• Gross premiums written are split among reinsurance (48%), insurance (46%), and mortgage (6%) as of TTM ending June 30, 2026.

• Insurance net premiums are diversified across property, casualty, commercial auto, workers compensation, and other lines.

• Reinsurance segment includes property, casualty, specialty, and catastrophe risk, with $7.3B net premiums written.

• Mortgage insurance in force stands at $513B, with $951M in U.S. primary mortgage underwriting income.

Operating principles and risk management

• Focuses on specialty commercial lines, sophisticated reinsurance modeling, and innovative mortgage pricing.

• Capital allocation prioritizes reinvestment, reducing leverage, and returning capital to shareholders.

• Catastrophe risk is tightly managed, with 1:250 PML as a percentage of tangible equity consistently below 10%.