EXHIBIT 99.1


    W. Stancil Starnes Elected to ProAssurance Board of Directors

    BIRMINGHAM, Ala.--(BUSINESS WIRE)--Sept. 5, 2007--The Board of
Directors of ProAssurance Corporation (NYSE: PRA) today elected Chief
Executive Officer, W. Stancil Starnes, to our Board of Directors. Mr.
Starnes assumed the duties of CEO on July 1, 2007, and our practice
has been to have our CEO serve as a member of the Board. Mr. Starnes'
term will expire at the 2010 Annual Meeting of Shareholders.

    About ProAssurance

    ProAssurance Corporation is the nation's fourth largest writer of
medical professional liability insurance through our principal
subsidiaries The Medical Assurance Company, Inc., ProNational
Insurance Company, NCRIC, Inc., Physicians Insurance Company of
Wisconsin, Inc., and Red Mountain Casualty Insurance Company, Inc.
ProAssurance is one of the 100 largest property-casualty insurance
groups in the nation, based on Net Written Premium. ProAssurance was
recently recognized as a member of the Ward's 50 for 2007, indicative
of long-term superior financial performance and outstanding insurance
security.

    CONTACT: ProAssurance Corporation
             Frank B. O'Neil, 800-282-6242 or 205-877-4461
             Sr. Vice President,
             Corporate Communications & Investor Relations
             foneil@ProAssurance.com