X0306 4 2013-03-01 0000812348 CENTURY BANCORP INC CNBKA 0001246238 SLOANE BARRY R 400 MYSTIC AVENUE MEDFORD MA 02155 1 1 CEO and President 401(k) Company Stock Fund 2013-03-01 4 P 0 20.3487 54.60 A 1019.5377 D Class A Common 3111.1334 D Class A Common 40.2664 I Fbo Marshall M. Sloane II Class A Common 72.1998 I Owned By Spouse Candace Lapidus Sloane Century Bancorp Class A 31.83 2004-09-17 2014-09-17 Class A Common 7000 7000 D The 401K Stock Fund consists of units having a share and a cash component. The price shown is that of a unit. /s/ William P. Hornby, Attorney-In-Fact 2013-03-05