[MCGLADREY & PULLEN LETTERHEAD] March 15, 2005 Securities and Exchange Commission Washington, D.C. 20549 Commissioners: We have read SI Financial Group, Inc.'s statements included under Item 4.01(a) of its Form 8-K dated March 15, 2005, and we agree with such statements concerning our Firm. /s/ McGladrey & Pullen, LLP