A special meeting of members of State Automobile Mutual Insurance Company (the “Company”) will be held virtually via Internet webcast on November 22, 2021, at 1:00 p.m. ET to consider and vote upon the proposed reorganization of the Company, to be effected through a merger, resulting in the Company becoming a reorganized stock insurance subsidiary of Liberty Mutual Holding Company Inc. and such other business, if any, as may properly come before the Special Meeting.