NEWS RELEASE

FOR IMMEDIATE RELEASE

Contact:	Paul V. Cusick, Jr.
	pcusick@century-bank.com
Phone:	781-393-4601
Fax:	781-393-4071

CENTURY BANCORP, INC. ANALYZING SFAS 159 AND DECLARES QUARTERLY DIVIDEND

Medford, MA, April 11, 2007—Century Bancorp, Inc. (NASDAQ:CNBKA) (www.century-bank.com) (“the Company”) today announced that it is analyzing the early adoption of the Statement of Financial Accounting Standards No. 159, The Fair Value Option for Financial Assets and Financial Liabilities (SFAS 159), and will release its first quarter 2007 results following this analysis.

The Company’s Board of Directors voted a regular quarterly dividend of 12.00 cents ($0.12) per share on the Company’s Class A common stock, and 6.00 cents ($0.06) per share on the Company’s Class B common stock. The dividends were declared payable May 15, 2007 to stockholders of record on May 1, 2007.

The Company, through its subsidiary bank, Century Bank and Trust Company, a state chartered full service commercial bank, operating twenty-two full-service branches in the Greater Boston area, offers a full range of Business, Personal and Institutional Services.

Century Bank and Trust Company is a member of the FDIC and is an Equal Housing Lender.

This press release contains certain “forward-looking statements” with respect to the financial condition, results of operations and business of the Company. Actual results may differ from those contemplated by these statements. The Company wishes to caution readers not to place undue reliance on any forward-looking statements. The Company disclaims any intent obligation to update publicly any such forward-looking statements, whether in response to new information, future events or otherwise.