<SEC-DOCUMENT>0000898432-13-000250.txt : 20130219
<SEC-HEADER>0000898432-13-000250.hdr.sgml : 20130219
<ACCEPTANCE-DATETIME>20130215140847
ACCESSION NUMBER:		0000898432-13-000250
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20130215
DATE AS OF CHANGE:		20130215
EFFECTIVENESS DATE:		20130215

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			EATON VANCE SENIOR FLOATING RATE TRUST
		CENTRAL INDEX KEY:			0001258623
		IRS NUMBER:				000000000

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-172870
		FILM NUMBER:		13618899

	BUSINESS ADDRESS:	
		STREET 1:		TWO INTERNATIONAL PLACE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
		BUSINESS PHONE:		617-482-8260

	MAIL ADDRESS:	
		STREET 1:		TWO INTERNATIONAL PLACE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	EATON VANCE SENIOR FLOATING RATE FUND
		DATE OF NAME CHANGE:	20030806
</SEC-HEADER>
<DOCUMENT>
<TYPE>497
<SEQUENCE>1
<FILENAME>a497.htm
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<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">EATON VANCE SENIOR FLOATING-RATE TRUST</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">Supplement to Prospectus dated November 14, 2012 and Prospectus Supplement dated December 7, 2012</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">The following replaces any references, contained either in the Prospectus or the Prospectus Supplement, with respect to the Trust&#8217;s: (i) last reported sale price; (ii) net asset value (&#8220;NAV&#8221;) per Common Share; (iii) percentage premium to NAV per Common Share; (iv) number of Common Shares outstanding; and (v) net assets:</font></div>

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<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">On February 13, 2013, the last reported sale price, NAV per Common Share and percentage premium to NAV per Common Share, were $16.70, $15.84 and 5.43%, respectively.&#160;&#160;As of February 13, 2013, we had 34,841,289 Common Shares outstanding and net assets of approximately $552,000,176.</font></div>
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<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">The following replaces the last sentence in the first paragraph under &#8220;Use of Proceeds&#8221; in the Prospectus Supplement:</font></div>

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<td valign="top" width="6%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">&#160; </font></td>
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<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">Assuming the sale of all of the Common Shares offered under this Prospectus Supplement and the accompanying Prospectus, at the last reported sale price of $16.70 per share for our Common Shares on the NYSE as of February 13, 2013, we estimate that the net proceeds of this offering will be approximately $27,945,317 after deducting the estimated sales load.</font></div>
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<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">February 15, 2013</font></div>
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