exhibit 4. 1 d the commonwealth of massachusetts pc william francis galvin secretary of the commonwealth one ashburton place, boston, massachusetts 02108 - 1512 articles of amendment ( general laws chapter 156d, section 10. 06 ; 950 cmr 113. 34 ) ( 1 ) exact name of corporation : central bancorp, inc. ( 2 ) registered office address : 399 highland avenue, somerville, massachusetts 02144 ( number, street, city or town, state, zip code ) ( 3 ) these articles of amendment affect article ( s ) : articles iii and iv ( specify the number ( s ) of article ( s ) being amended ( i - vi ) ) ( 4 ) date adopted : december 2, 2008 ( month, day, year ) ( 5 ) approved by : ( check appropriate box ) o the incorporators. þ the board of directors without shareholder approval and shareholder approval was not required. o the board of directors and the shareholders in the manner required by law and the articles of organization. ( 6 ) state the article number and the text of the amendment. unless contained in the text of the amendment, state the provisions for implementing the exchange, reclassification or cancellation of issued shares. articles iii and iv. a vote of the board of directors establishing and designating a series of a class of stock and determining the relative rights and preferences thereof. see attached annex a for additional sections to be added to the existing article iv. received dec 03 2008 secretary of the commonwealth corporations division p. c. exhibit 4. 1 d the commonwealth of massachusetts pc william francis galvin secretary of the commonwealth one ashburton place, boston, massachusetts 02108 - 1512 d pc articles of amendment ( general laws chapter 156d, section 10. 06 ; 950 cmr 113. 34 ) ( 1 ) exact name of corporation : central bancorp, inc. ( 2 ) registered office address : 399 highland avenue, somerville, massachusetts 02144 ( number, street, city or town, state, zip code ) ( 3 ) these articles of amendment affect article ( s ) : articles iii and iv ( specify the number ( s ) of article ( s ) being amended ( i - vi ) ) ( 4 ) date adopted : december 2, 2008 ( month, day, year ) ( 5 ) approved by : ( check appropriate box ) o the incorporators. þ the board of directors without shareholder approval and shareholder approval was not