Debevoise & Plimpton LLP is advising Liberty Mutual Insurance in its agreement to sell Summit Holdings Southeast, Inc. and its related companies (“Summit”) to American Financial Group, Inc. (“AFG”) in an all-cash transaction. Based in Lakeland, Florida, Summit is a leading provider of workers’ compensation solutions in the Southeastern United States, with approximately $520 million of premium written. Following the transaction, Summit will continue to operate under the Summit brand as a member of AFG’s Great American Insurance Group. The transaction is expected to close in the first or second quarter of 2014, following customary regulatory approvals.

The sixth-largest auto and home insurer in the U.S., Liberty Mutual sells full lines of coverage for automobile, homeowners, valuable possessions, personal liability, and individual life insurance. The company is an industry leader in affinity partnerships, offering car and home insurance to employees and members of more than 14,000 companies, credit unions, professional associations and alumni groups.

The Debevoise team is led by partner Nicholas F. Potter and includes associates Alexander R. Cochran, Mathias Iranzo and Munir Zilanawala.