Tower Group, Inc. announced today that it now expects the consummation of its previously announced merger with Canopius Holdings Bermuda Limited to occur in the first quarter of 2013. Tower’s preliminary proxy materials continue to be under review by the Securities and Exchange Commission and, accordingly, the approval of the merger by Tower stockholders will not occur in 2012. In addition to the approval of Tower’s stockholders, the merger remains subject to obtaining the regulatory approval of governmental and market authorities. About Tower Group, Inc. Tower Group, Inc. offers diversified property and casualty insurance products and services through its operating subsidiaries. Our Commercial Insurance Segment offers a broad range of commercial lines property and casualty insurance products to small to mid-sized businesses distributed through a network of retail, wholesale and program underwriting agents on both an admitted and non-admitted basis. This segment also includes reinsurance solutions provided primarily to small insurance companies; Our Personal Insurance Segment offers a broad range of personal lines property and casualty insurance products to individuals distributed through a network of retail and wholesale agents; and Our Insurance Services Segment provides underwriting, claims and reinsurance brokerage services to insurance companies. For more information visit Tower’s website at http://www.twrgrp.com/ Cautionary Note Regarding Forward-Looking Statements The Private Securities Litigation Reform Act of 1995 provides a “safe harbor” for forward-looking statements. This press release and any other written or oral statements made by or on behalf of Tower may include forward-looking statements that reflect Tower’s current views with respect to future events and financial performance. All statements other than statements of historical fact included in this press release are forward-looking statements. Forward-looking statements can generally be identified by the use of forward-looking terminology such as “may,” “will,” “plan,” “expect,” “project,” “intend,” “estimate,” “anticipate,” “believe” and “continue” or their negative or variations or similar terminology. All forward-looking statements address matters that involve risks and uncertainties. Accordingly, there are or will be important factors that could cause the actual results of Tower to differ materially from those indicated in these statements. Please refer to Tower’s filings with the United States Securities and Exchange Commission (the “SEC”), including among others Tower’s Annual Report on Form 10-K for the year ended December 31, 2011 and subsequent filings on Form 10-Q, for a description of the important factors that could cause the actual results of Tower to differ materially from those indicated in these statements. Forward-looking statements speak only as of the date on which they are made, and Tower undertakes no obligation to update publicly or revise any forward-looking statement, whether as a result of new information, future developments or otherwise.