<SEC-DOCUMENT>0001193125-17-101719.txt : 20170329
<SEC-HEADER>0001193125-17-101719.hdr.sgml : 20170329
<ACCEPTANCE-DATETIME>20170329161758
ACCESSION NUMBER:		0001193125-17-101719
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20170329
DATE AS OF CHANGE:		20170329
EFFECTIVENESS DATE:		20170329

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND
		CENTRAL INDEX KEY:			0001171471
		IRS NUMBER:				030426532
		FISCAL YEAR END:			1031

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-196373
		FILM NUMBER:		17722417

	BUSINESS ADDRESS:	
		STREET 1:		2020 CALAMOS COURT
		STREET 2:		C/O CALAMOS ADVISORS LLC
		CITY:			NAPERVILLE
		STATE:			IL
		ZIP:			60653
		BUSINESS PHONE:		6302451046

	MAIL ADDRESS:	
		STREET 1:		2020 CALAMOS COURT
		STREET 2:		C/O CALAMOS ADVISORS LLC
		CITY:			NAPERVILLE
		STATE:			IL
		ZIP:			60653
</SEC-HEADER>
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<TYPE>497
<SEQUENCE>1
<FILENAME>d369160d497.htm
<DESCRIPTION>497
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<TITLE>497</TITLE>
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<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>C<SMALL>ALAMOS<SUP STYLE="font-size:85%; vertical-align:top">&reg;</SUP></SMALL>&nbsp;C<SMALL>ONVERTIBLE</SMALL>&nbsp;
O<SMALL>PPORTUNITIES</SMALL> <SMALL>AND</SMALL> I<SMALL>NCOME</SMALL>&nbsp;F<SMALL>UND</SMALL> </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>(<SMALL>THE</SMALL>&nbsp;&#147;F<SMALL>UND</SMALL>&#148;) </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Supplement dated March&nbsp;29, 2017 to the </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Statement of Additional Information </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>dated February&nbsp;28, 2017, as supplemented on March&nbsp;13, 2017 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Effective March&nbsp;22, 2017, Thomas E. Herman is a Vice President and Curtis Holloway is Chief Financial Officer and Treasurer of the Fund. Accordingly, the
Statement of Additional Information is hereby amended as follows: </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>The &#147;Officers&#148; section on page S-19 of the Statement of Additional
Information is hereby amended as follows: </I></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


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<TD WIDTH="31%"></TD>
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<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-bottom:1.00pt solid #000000; width:82.65pt; font-size:8pt; font-family:Times New Roman"><B>Name and Year of Birth</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman"><B>Position(s) with Trust</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman"><B>Principal Occupation(s)</B></P></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Thomas E. Herman (1961)</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Vice President (since 2016); prior thereto Chief Financial Officer (2016-2017)</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom">Senior Vice President and Chief Financial Officer, CAM, CILLC, Calamos Advisors, CWM, and CFS (since 2016); Chief Financial Officer and Treasurer, Harris Associates (2010-2016)</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
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<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Curtis Holloway (1967)</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Chief Financial Officer (since March 2017) and Treasurer (since 2010); prior thereto Assistant Treasurer (2007-2010)</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom">Senior Vice President, Head of Fund Administration (since 2017), Calamos Advisors; Vice President, Fund Administration (2010-2017)</TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>The sixth paragraph in the &#147;Investment Adviser and Investment Management Agreement&#148; section beginning on page
S-25 of the Statement of Additional Information is deleted and replaced with the following paragraph: </I></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Calamos Advisors is an indirect subsidiary of
Calamos Asset Management, Inc., whose Class B super-majority voting shares are all owned by Calamos Partners LLC. John P. Calamos, Sr. owns a controlling interest in Calamos Family Partners, Inc., which owns Calamos Partners LLC. In connection with
the formation of Calamos Partners LLC, John S. Koudounis has received profits and equity interests in Calamos Partners LLC. In addition, Mr.&nbsp;Koudounis has the option to purchase a controlling interest in Calamos Partners LLC upon the death or
permanent disability of John P. Calamos, Sr., provided Mr.&nbsp;Koudounis is then serving as Chief Executive Officer of Calamos Asset Management, Inc. and Calamos Investments LLC. John P. Calamos, Sr., is an affiliated person of the Funds and
Calamos Advisors by virtue of his position as Chairman, Trustee and President of the Trust and Chairman and Global Chief Investment Officer (&#147;Global CIO&#148;) of Calamos Advisors. John S. Koudounis, Robert&nbsp;F. Behan, Thomas E. Herman, J.
Christopher Jackson and Curtis Holloway are affiliated persons of the Funds and Calamos Advisors by virtue of their positions as Vice President; Vice President; Vice President; Vice President and Secretary; and Chief Financial Officer and Treasurer;
of the Trust; respectively, and as Chief Executive Officer; President and Head of Global Distribution; Senior Vice President and Chief Financial Officer; Senior Vice President, General Counsel and Secretary; and Senior Vice President, Head of Fund
Administration of Calamos Advisors, respectively. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Please retain this supplement for future reference. </B></P>
<P STYLE="margin-top:84pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right">CHISPT2 03/17 </P>
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