Northfield Bank Reports Strong Loan and Deposit Growth and Launches Monthly Information Security Newsletter

WOODBRIDGE, NJ July 29, 2015– NORTHFIELD BANCORP, INC. (NasdaqGS:NFBK), the holding company for Northfield Bank, reported diluted earnings per common share of $0.10 and $0.21 for the quarter and six months ended June 30, 2015, compared to diluted earnings per common share of $0.11 and $0.20 for the quarter and six months ended June 30, 2014. Earnings for the quarter and six months ended June 30, 2015, reflected a tax charge of $795,000, or $0.02 per share, related to the write-down of deferred tax assets as a result of New York City tax reforms enacted during the current quarter.

Total loans held for investment, net grew 9.93% during the quarter to $2.2 billion. The growth was driven by over $149 million in originations and the purchase of another $127 million in loans. Total deposits increased by $202 million, or 11.35%, to $1.980 billion for the quarter ended June 30, 2015. This increase was a result of our continued marketing strategy to gather checking and savings accounts. Core deposits as a percentage of deposits now stands at 86.2%.

John W. Alexander, Chairman and Chief Executive Officer, commented “Northfield’s earnings and strong loan and deposit growth continue to support our commitment of returning value to our stockholders, and I’m pleased once again to announce the declaration of a $0.07 per common share dividend by the Board of Directors. This dividend will be payable August 19, 2015, to stockholders of record on August 5, 2015.”

In a continuing effort to help customers keep their personal information and account data safe, Northfield Bank has launched an e-newsletter dedicated to providing information security tips and best practices. The Northfield Bank Information Security Advisor is published monthly and current and past issues can be accessed at www.eNorthfield.com/security.

About Northfield Bank

Northfield Bank, founded in 1887, operates 30 full service banking offices in Staten Island and Brooklyn, New York and Middlesex and Union counties, New Jersey. For more information about Northfield Bank, please visit www.eNorthfield.com.

Media Contact: Damien Kane, Vice President & Director of Marketing, (732) 499-7200 x2503