Meridian Interstate Bancorp, Inc. is a mid-tier stock holding company of East Boston Savings Bank (the Bank).The Bank is a state-chartered stock savings bank that operates from 24 full-service locations and two loan centers in the Boston metropolitan area. East Boston Savings Bank operates eight of its full-service locations and a loan center under the name Mt. Washington Bank, a division of East Boston Savings Bank. The Bank offers a variety of deposit and loan products to individuals and businesses located in its primary market, which consists of Suffolk, Middlesex and Essex Counties, Massachusetts. The Bank operates as a community-oriented financial institution offering financial services to consumers and businesses. The Company also offers non-deposit financial products through a third-party network arrangement. As of December 31, 2011, Meridian Financial Services, Incorporated owned 59.4% interest of the Company.