Meridian Interstate Bancorp, Inc. is a bank holding company established in 2006 to be the mid-tier holding company for East Boston Savings Bank. Meridian Interstate Bancorp’s business activity is the ownership of the outstanding capital stock of East Boston Savings Bank.

The common stock of Meridian Interstate Bancorp is listed on the Nasdaq Global Select Market and trades under the ticker symbol "EBSB"

East Boston Savings Bank is a Massachusetts chartered stock savings bank originally founded in 1848. We operate eleven full-service branch locations and one loan center in the greater Boston metropolitan area. We offer a variety of deposit and loan products to individuals and businesses located in our primary market, which consists of Essex, Middlesex and Suffolk Counties, Massachusetts.

Transfer Agent Registrar and Transfer Company Investor Relations Department 10 Commerce Drive Cranford, NJ 07016 800-368-5948

Investor Relations Richard J. Gavegnano Chairman & CEO 781-592-2999 rgavegnano@ebsb.com