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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0000909654-05-001018.txt : 20050427
<SEC-HEADER>0000909654-05-001018.hdr.sgml : 20050427
<ACCEPTANCE-DATETIME>20050427134257
ACCESSION NUMBER:		0000909654-05-001018
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20050427
DATE AS OF CHANGE:		20050427
EFFECTIVENESS DATE:		20050427

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SI Financial Group, Inc.
		CENTRAL INDEX KEY:			0001292580
		STANDARD INDUSTRIAL CLASSIFICATION:	SAVINGS INSTITUTION, FEDERALLY CHARTERED [6035]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			X1
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-50801
		FILM NUMBER:		05775707

	BUSINESS ADDRESS:	
		STREET 1:		803 MAIN STREET
		CITY:			WILLIMANTIC
		STATE:			CT
		ZIP:			06226
		BUSINESS PHONE:		(860) 423-4581

	MAIL ADDRESS:	
		STREET 1:		803 MAIN STREET
		CITY:			WILLIMANTIC
		STATE:			CT
		ZIP:			06226
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>sifinancialdefa14a.txt
<TEXT>
                            [SI Financial Group Logo]


April 27, 2005


Dear SI Financial Group Stockholder:

         We recently mailed you proxy materials in connection with our upcoming
annual meeting of stockholders to be held on May 11, 2005. According to our
records, we have not yet received your proxy.

         IT IS VERY IMPORTANT that your shares be voted, regardless of the
number of shares you own.

         Please take a moment to VOTE your shares by returning your proxy in the
envelope provided. If your shares are held with a broker or bank, you can also
vote by telephone or the internet by following the enclosed instructions. OUR
BOARD OF DIRECTORS UNANIMOUSLY RECOMMENDS A "FOR" VOTE ON ALL PROPOSALS.

         Please disregard this letter if you already voted your shares. Thank
you for your cooperation and support.


/s/ Rheo A. Brouillard

Rheo A. Brouillard
President and Chief Executive Officer

</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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