ROCKVILLE FINANCIAL, INC. ANNOUNCES TWENTY-FOURTH CONSECUTIVE DIVIDEND AND A 13% CASH DIVIDEND INCREASE

ROCKVILLE, CONN., APRIL 18, 2012 – Rockville Financial, Inc. (NASDAQ Global Select Market "RCKB"), the parent of Rockville Bank, announced its twenty-fourth consecutive dividend since becoming a public company in Spring 2005. The dividend, in the amount of $0.09 per share, will be payable on May 7, 2012 to shareholders on record as of the close of business on April 30, 2012.

"We are pleased to announce our twenty-fourth consecutive cash dividend to shareholders,” stated William (Bill) H. W. Crawford, IV, President & Chief Executive Officer of Rockville Financial, Inc. and Rockville Bank. “This is a 13 percent increase from our prior cash dividend of $0.08 per share, and a 38 percent increase from the cash dividend of $0.065 per share at the time the Company closed on its second-step stock offering on March 3, 2011. “I would like to personally thank our investors for their confidence in our Company. Our total shareholder return, including capital appreciation and cash dividends, from March 31, 2011 to March 31, 2012, is 14.9 percent compared to the SNL thrift index of negative 5.4 percent.”

Mr. Crawford also remarked, “At Rockville, we remain focused on creating prosperity for our customers, communities and shareholders. Our annual meeting of shareholders is May 17, 2012, and we encourage our shareholders to vote their proxy as this is an important part of our corporate governance.”

Rockville Bank currently is a 21-branch community bank serving Tolland, Hartford, and New London counties in Connecticut. It provides a convenient banking lifestyle for Colchester, Coventry, East Windsor, Ellington, Enfield, Glastonbury, Manchester, Rockville, Somers, South Glastonbury, South Windsor, Suffield, Vernon, seven days a week in Tolland, and two Big Y supermarket locations. A New Haven County Commercial Banking Office is now open and located at 2319 Whitney Avenue in Hamden, Conn. to provide an array of commercial products and services for businesses located in New Haven County and surrounding areas. Later this year, Rockville Bank will open a full-service branch in West Hartford, Conn. For information about Rockville Bank’s services and products, call (860) 291-3600 or visit www.rockvillebank.com. For information about the Company, Rockville Financial, Inc. (RCKB), visit Investor Relations at www.rockvillebank.com and click on “About Us: Investor Relations.” For investor relations questions, contact Marliese L. Shaw, Senior Vice President, Investor Relations Officer at (860) 291-3622.

This press release may contain certain forward-looking statements about the Company. Forward-looking statements include statements regarding anticipated future events and can be identified by the fact that they do not relate strictly to historical or current facts. They often include words such as “believe,” “expect,” “anticipate,” “estimate,” and “intend” or future or conditional verbs such as “will,” “would,” “should,” “could,” or “may.” Forward-looking statements, by their nature, are subject to risks and uncertainties. Certain factors that could cause actual results to differ materially from expected results include increased competitive pressures, changes in the interest rate environment, general economic conditions or conditions within the securities markets, and legislative and regulatory changes that could adversely affect the business in which the Company and its subsidiaries are engaged.