AM Best Assigns Issue Credit Rating to The Hanover Insurance Group, Inc.’s Senior Unsecured Notes

OLDWICK, N.J.--(BUSINESS WIRE)-- #insurance--AM Best has assigned a Long-Term Issue Credit Rating of “bbb+” (Good) to the recently issued USD 500 million, 5.5% senior unsecured notes due 2035, issued by The Hanover Insurance Group, Inc. (The Hanover) (headquartered in Worcester, MA) [NYSE: THG]. The outlook assigned to this Credit Rating (rating) is stable. The ratings of The Hanover and its subsidiaries were previously affirmed on July 31, 2025 (see related press release). The Long-Term Issuer Credit Ratin