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<SEC-DOCUMENT>0001104659-03-029442.txt : 20031231
<SEC-HEADER>0001104659-03-029442.hdr.sgml : 20031231
<ACCEPTANCE-DATETIME>20031231122703
ACCESSION NUMBER:		0001104659-03-029442
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20031231
ITEM INFORMATION:		Other events
FILED AS OF DATE:		20031231

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INTERNATIONAL BANCSHARES CORP
		CENTRAL INDEX KEY:			0000315709
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				742157138
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-09439
		FILM NUMBER:		031079794

	BUSINESS ADDRESS:	
		STREET 1:		12OO SAN BERNARDO AVE
		STREET 2:		PO BOX 1359
		CITY:			LAREDO
		STATE:			TX
		ZIP:			78040-1359
		BUSINESS PHONE:		9567227611

	MAIL ADDRESS:	
		STREET 1:		P O BOX 1359
		STREET 2:		1200 SAN BERNARDO
		CITY:			LAREDO
		STATE:			TX
		ZIP:			78040
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>a03-6612_18k.htm
<DESCRIPTION>8-K
<TEXT>
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<div style="font-family:'Times New Roman';">

<div style="border:none;border-top:double windowtext 9.0pt;padding:0in 0in 0in 0in;">

<p align="center" style="border:none;margin:0in 0in .0001pt;padding:0in;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

</div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">SECURITIES AND EXCHANGE COMMISSION</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Washington, D.C.&#160;
20549</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">FORM 8-K</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">CURRENT REPORT</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>


<div align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">

<hr size="1" width="25%" noshade color="black" align="center">

</font></div>


<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">Pursuant
to Section 13 or 15 (d) of</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">The
Securities Exchange Act of 1934</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Date of Report (Date of earliest event reported):<b><font style="font-weight:bold;"> December 31, 2003</font></b></font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">INTERNATIONAL BANCSHARES CORPORATION</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Exact Name of Registrant as Specified in its Charter)</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Commission File Number<b><font style="font-weight:bold;"> 0-9439</font></b></font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<div align="center">

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="48%" valign="top" style="padding:0in .7pt 0in .7pt;width:48.68%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Texas</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:2.6%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;text-autospace:none;">&nbsp;</p>
  </td>
  <td width="48%" valign="top" style="padding:0in .7pt 0in .7pt;width:48.7%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">74-2157138</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="48%" valign="top" style="padding:0in .7pt 0in .7pt;width:48.68%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(State or other Jurisdiction</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:2.6%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;text-autospace:none;">&nbsp;</p>
  </td>
  <td width="48%" valign="top" style="padding:0in .7pt 0in .7pt;width:48.7%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(I.R.S. Employer</font></p>
  </td>
 </tr>
 <tr>
  <td width="48%" valign="top" style="padding:0in .7pt 0in .7pt;width:48.68%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">of incorporation or organization)</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:2.6%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;text-autospace:none;">&nbsp;</p>
  </td>
  <td width="48%" valign="top" style="padding:0in .7pt 0in .7pt;width:48.7%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Identification No.)</font></p>
  </td>
 </tr>
</table>

</div>

<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<div align="center">

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="48%" valign="top" style="padding:0in .7pt 0in .7pt;width:48.68%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">1200 San Bernardo, Laredo,
  Texas</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:2.6%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;text-autospace:none;">&nbsp;</p>
  </td>
  <td width="48%" valign="top" style="padding:0in .7pt 0in .7pt;width:48.7%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">78040-1359</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="48%" valign="top" style="padding:0in .7pt 0in .7pt;width:48.68%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Address of principal executive offices)</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:2.6%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;text-autospace:none;">&nbsp;</p>
  </td>
  <td width="48%" valign="top" style="padding:0in .7pt 0in .7pt;width:48.7%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(ZIP Code)</font></p>
  </td>
 </tr>
</table>

</div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Registrant&#146;s telephone number, including area code)<b><font style="font-weight:bold;">&#160; (956) 722-7611</font></b></font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">None</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Former name or former address, if changed since last report)</font></p>

<div style="border:none;border-bottom:double windowtext 9.0pt;padding:0in 0in 0in 0in;">

<p align="center" style="border:none;margin:0in 0in .0001pt;padding:0in;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

</div>


<div style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">

<hr size="2" width="100%" noshade color="gray" align="left">

</font></div>

<font size="2" face="Times New Roman" style="font-size:10.0pt;">
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<p align="center" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:center;text-autospace:none;">&nbsp;</p>

<p style="margin:0in 0in .0001pt;text-autospace:none;"><b><u><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 5</font></u></b><b><font size="2" style="font-size:10.0pt;font-weight:bold;">.&#160; <u>Other
Events and Regulation FD Disclosure</u></font></b></p>

<p align="left" style="font-weight:bold;margin:0in 0in .0001pt;text-align:left;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></b></p>

<p align="left" style="margin:0in 0in .0001pt;text-align:left;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">On December 31, 2003, International
Bancshares Corporation (&#147;IBC&#148;) issued a news release announcing that on
December 18, 2003, its board of directors authorized IBC to extend the
termination date on its stock repurchase program.&#160; The
news release, attached hereto and filed herewith as Exhibit&nbsp;99, is
incorporated herein by reference.</font></p>

<p align="left" style="margin:0in 0in .0001pt .5in;text-align:left;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">All of the information
furnished in Item&nbsp;5 of this report and the accompanying exhibits are also
intended to be included under &#147;Item 9 &#151; Regulation Fair Disclosure&#148; and shall
not be deemed to be &#147;filed&#148; for the purposes of Section 18 of the Securities
and Exchange Act of 1934, as amended, is not subject to the liabilities of that
section and shall not be incorporated by reference in any filing under the
Securities Act of 1933, as amended.</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2</font></p>


<div align="left" style="margin:0in 0in .0001pt;text-align:left;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">

<hr size="2" width="100%" noshade color="gray" align="left">

</font></div>

<font size="2" face="Times New Roman" style="font-size:10.0pt;">
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<p align="center" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:center;text-autospace:none;">&nbsp;</p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">SIGNATURES</font></b></p>

<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Pursuant to the requirements of the Securities
Exchange Act of 1934, the registrant has duly caused this report to be signed
on its behalf by the undersigned hereunto duly authorized.</font></b></p>

<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="57%" style="border-collapse:collapse;margin-left:191.05pt;width:57.56%;">
 <tr>
  <td width="100%" colspan="3" valign="top" style="padding:0in .7pt 0in .7pt;width:100.0%;">
  <h3 style="font-weight:bold;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">INTERNATIONAL BANCSHARES
  CORPORATION</font></b></h3>
  </td>
 </tr>
 <tr>
  <td width="100%" colspan="3" valign="top" style="padding:0in .7pt 0in .7pt;width:100.0%;">
  <p style="font-weight:bold;margin:0in 0in .0001pt 1.0in;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Registrant)</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="100%" colspan="3" valign="top" style="padding:0in .7pt 0in .7pt;width:100.0%;">
  <p style="font-size:12.0pt;font-weight:bold;margin:0in 0in .0001pt;text-autospace:none;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="8%" valign="top" style="padding:0in .7pt 0in .7pt;width:8.48%;">
  <p style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">By:</font></b></p>
  </td>
  <td width="55%" valign="top" style="border:none;border-bottom:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:55.74%;">
  <p style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">/s/
  DENNIS E. NIXON</font></b></p>
  </td>
  <td width="35%" valign="top" style="padding:0in .7pt 0in .7pt;width:35.78%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;text-autospace:none;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="8%" valign="top" style="padding:0in .7pt 0in .7pt;width:8.48%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;text-autospace:none;">&nbsp;</p>
  </td>
  <td width="91%" colspan="2" valign="top" style="padding:0in .7pt 0in .7pt;width:91.52%;">
  <p style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">DENNIS E.
  NIXON, President,</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="8%" valign="top" style="padding:0in .7pt 0in .7pt;width:8.48%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;text-autospace:none;">&nbsp;</p>
  </td>
  <td width="91%" colspan="2" valign="top" style="padding:0in .7pt 0in .7pt;width:91.52%;">
  <p style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">and Chief
  Executive Officer</font></b></p>
  </td>
 </tr>
</table>

<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Date:
December 31, 2003</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">3</font></p>


<div style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">

<hr size="2" width="100%" noshade color="gray" align="left">

</font></div>

<font size="2" face="Times New Roman" style="font-size:10.0pt;">
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<p align="center" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:center;text-autospace:none;">&nbsp;</p>

<h2 style="font-weight:bold;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">EXHIBIT INDEX</font></b></h2>

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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>

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  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Exhibit<br>
  Number</font></b></p>
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  <td width="1%" valign="top" style="padding:0in .7pt 0in .7pt;width:1.34%;">
  <p align="center" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:center;text-autospace:none;">&nbsp;</p>
  </td>
  <td width="79%" valign="bottom" style="border:none;border-bottom:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:79.96%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Description</font></b></p>
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  <p align="center" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:center;text-autospace:none;">&nbsp;</p>
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  <td width="9%" valign="bottom" style="border:none;border-bottom:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:9.22%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Page<br>
  Number</font></b></p>
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 </tr>
 <tr>
  <td width="8%" valign="top" style="border:none;padding:0in .7pt 0in .7pt;width:8.16%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">99</font></b></p>
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  <p style="font-size:1.0pt;margin:0in 0in .0001pt;text-autospace:none;">&nbsp;</p>
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  <td width="79%" valign="top" style="border:none;padding:0in .7pt 0in .7pt;width:79.96%;">
  <p style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">News
  Release of International Bancshares Corporation dated</font></b><font size="2" style="font-size:10.0pt;">  <b><font style="font-weight:bold;">December 31, 2003</font></b></font></p>
  </td>
  <td width="1%" valign="top" style="padding:0in .7pt 0in .7pt;width:1.34%;">
  <p align="center" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:center;text-autospace:none;">&nbsp;</p>
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  <td width="9%" valign="top" style="border:none;padding:0in .7pt 0in .7pt;width:9.22%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">5</font></b></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4</font></p>


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<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Exhibit 99</font></b></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">CONTACT:</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Rosanne Palacios</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Vice President of Marketing</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">International Bancshares
Corporation</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(956) 726-6636</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Judith Wawroski</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Vice President</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">International Bancshares
Corporation</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(956) 722-7611</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="left" style="font-weight:bold;margin:0in 0in .0001pt;text-align:left;text-autospace:ideograph-numeric ideograph-other;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:normal;">FOR IMMEDIATE RELEASE:</font></b></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<h1 align="left" style="margin:0in 0in .0001pt;page-break-after:avoid;text-align:left;text-autospace:none;text-decoration:underline;"><b><u><font size="2" face="Times New Roman" style="font-size:10.0pt;">International
Bancshares Corporation Extends its Stock Repurchase Program</font></u></b></h1>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-weight:bold;margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:normal;">Laredo, Texas&#151;(BUSINESS
WIRE)&#151;December 31, 2003&#151;International Bancshares Corporation (NASDAQ:IBOC)
announced that on December 18, 2003, its board of directors extended the
termination date on its stock repurchase program.&#160; The Company is now authorized to conduct stock repurchases
through December 2004, compared to the prior program termination date of
December 2003.&#160; Under the program, the
Company is authorized to repurchase up to $175 million of its common stock.&#160; Stock repurchases may be made from time to
time, on the open market or through private transactions.&#160; Shares repurchased in this program will be
held in treasury for reissue for various corporate purposes, including employee
stock option plans.&#160; As of November 30,
2003, a total of 3,630,761 shares had been repurchased under this program at a
total cost of approximately $144.2 million, which shares are now reflected as
5,661,434 shares of treasury stock as adjusted for stock dividends.&#160; The Company currently has invested
approximately $165.2 million in treasury shares, which amount has been
accumulated since the inception of the Company.</font></b></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="left" style="font-weight:bold;margin:0in 0in .0001pt;text-align:left;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:normal;">IBC is a $7.5 billion multi-bank financial holding company
headquartered in Laredo, Texas, with more than 100 facilities and over 200 ATMs
serving 34 communities including Houston, San Antonio, Corpus Christi, McAllen,
Brownsville, Port Lavaca, Zapata, Eagle Pass and several others in the central,
southern and Gulf Coast regions of Texas.</font></b></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&#147;Safe Harbor&#148; statement under the Private Securities Litigation Reform
Act of 1995: The statements contained in this release which are not historical
facts contain forward looking information with respect to plans, projections or
future performance of IBC and its subsidiaries, the occurrence of which involve
certain risks and uncertainties detailed in IBC&#146;s filings with the Securities
and Exchange Commission.</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Copies of IBC&#146;s SEC filings and Annual Report (as an exhibit to the
10-K) may be downloaded from the SEC filings site located at http://www.sec.gov/edgar.shtml.</font></p>

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