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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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MIC-Info: RSA-MD5,RSA,
 GN9sTRYGLjmd/lZvPDXNt8WO1yE7nbdMXUV136tds7AdUqWiOmllo6ZaSLMporpe
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<SEC-DOCUMENT>0001104659-06-026303.txt : 20060420
<SEC-HEADER>0001104659-06-026303.hdr.sgml : 20060420
<ACCEPTANCE-DATETIME>20060420163904
ACCESSION NUMBER:		0001104659-06-026303
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20060420
ITEM INFORMATION:		Regulation FD Disclosure
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20060420
DATE AS OF CHANGE:		20060420

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MESA ROYALTY TRUST/TX
		CENTRAL INDEX KEY:			0000313364
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL ROYALTY TRADERS [6792]
		IRS NUMBER:				746284806
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-07884
		FILM NUMBER:		06770381

	BUSINESS ADDRESS:	
		STREET 1:		712 MAIN STREET
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77210
		BUSINESS PHONE:		7132165100

	MAIL ADDRESS:	
		STREET 1:		P O BOX 4717
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77210
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>a06-10165_18k.htm
<DESCRIPTION>CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES
<TEXT>
<html>

<head>





</head>

<body lang="EN-US">

<div>

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

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

</div>

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

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

<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;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. 20549</font></b></p>

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

<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;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 style="margin:0in 0in .0001pt;punctuation-wrap:simple;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;punctuation-wrap:simple;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;punctuation-wrap:simple;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 the Securities
Exchange Act of 1934</font></b></p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;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;punctuation-wrap:simple;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;">April 20</font>, 2006</b></font></p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;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;punctuation-wrap:simple;text-align:center;text-autospace:none;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">Mesa Royalty Trust</font></b></p>

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

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;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="77%" style="border-collapse:collapse;margin-left:-23.9pt;width:77.4%;">
 <tr>
  <td width="33%" valign="top" style="padding:0in .7pt 0in .7pt;width:33.32%;">
  <p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;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="33%" valign="top" style="padding:0in .7pt 0in .7pt;width:33.32%;">
  <p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">1-7884</font></b></p>
  </td>
  <td width="33%" valign="top" style="padding:0in .7pt 0in .7pt;width:33.34%;">
  <p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">76-6284806</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="33%" valign="top" style="padding:0in .7pt 0in .7pt;width:33.32%;">
  <p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(State or other
  jurisdiction of</font></p>
  </td>
  <td width="33%" valign="top" style="padding:0in .7pt 0in .7pt;width:33.32%;">
  <p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Commission</font></p>
  </td>
  <td width="33%" valign="top" style="padding:0in .7pt 0in .7pt;width:33.34%;">
  <p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(IRS Employer</font></p>
  </td>
 </tr>
 <tr>
  <td width="33%" valign="top" style="padding:0in .7pt 0in .7pt;width:33.32%;">
  <p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">incorporation)</font></p>
  </td>
  <td width="33%" valign="top" style="padding:0in .7pt 0in .7pt;width:33.32%;">
  <p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">File Number)</font></p>
  </td>
  <td width="33%" valign="top" style="padding:0in .7pt 0in .7pt;width:33.34%;">
  <p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;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;punctuation-wrap:simple;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="94%" style="border-collapse:collapse;width:94.26%;">
 <tr>
  <td width="50%" valign="top" style="padding:0in .7pt 0in .7pt;width:50.0%;">
  <p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">JPMorgan
  Chase Bank, N.A., Trustee</font></b></p>
  </td>
  <td width="50%" valign="top" style="padding:0in .7pt 0in .7pt;width:50.0%;">
  <p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in .7pt 0in .7pt;width:50.0%;">
  <p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Institutional
  Trust Services</font></b></p>
  </td>
  <td width="50%" valign="top" style="padding:0in .7pt 0in .7pt;width:50.0%;">
  <p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in .7pt 0in .7pt;width:50.0%;">
  <p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">700
  Lavaca Street</font></b></p>
  </td>
  <td width="50%" valign="top" style="padding:0in .7pt 0in .7pt;width:50.0%;">
  <p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in .7pt 0in .7pt;width:50.0%;">
  <p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Austin,
  Texas</font></b></p>
  </td>
  <td width="50%" valign="top" style="padding:0in .7pt 0in .7pt;width:50.0%;">
  <p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">78701</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in .7pt 0in .7pt;width:50.0%;">
  <p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;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="50%" valign="top" style="padding:0in .7pt 0in .7pt;width:50.0%;">
  <p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;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 style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;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;">(512)
479-2562</font></b></font></p>

<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;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;punctuation-wrap:simple;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;punctuation-wrap:simple;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">NOT
APPLICABLE</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&#160;(Former name or former address, if changed
since last report.)</font></p>

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

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

<p style="margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Check the appropriate box
below if the Form 8-K filing is intended to simultaneously satisfy the filing
obligation of the registrant under any of the following provisions:</font></p>

<p style="margin:0in 0in .0001pt .5in;punctuation-wrap:simple;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="91%" style="border-collapse:collapse;margin-left:36.7pt;width:91.98%;">
 <tr>
  <td width="5%" valign="top" style="padding:0in .7pt 0in .7pt;width:5.7%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:2.86%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="91%" valign="top" style="padding:0in .7pt 0in .7pt;width:91.44%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Written communications
  pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</font></p>
  </td>
 </tr>
 <tr>
  <td width="5%" valign="top" style="padding:0in .7pt 0in .7pt;width:5.7%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:2.86%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="91%" valign="top" style="padding:0in .7pt 0in .7pt;width:91.44%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="5%" valign="top" style="padding:0in .7pt 0in .7pt;width:5.7%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:2.86%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="91%" valign="top" style="padding:0in .7pt 0in .7pt;width:91.44%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Soliciting material
  pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</font></p>
  </td>
 </tr>
 <tr>
  <td width="5%" valign="top" style="padding:0in .7pt 0in .7pt;width:5.7%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:2.86%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="91%" valign="top" style="padding:0in .7pt 0in .7pt;width:91.44%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="5%" valign="top" style="padding:0in .7pt 0in .7pt;width:5.7%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:2.86%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="91%" valign="top" style="padding:0in .7pt 0in .7pt;width:91.44%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Pre-commencement
  communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR
  240.14d-2(b))</font></p>
  </td>
 </tr>
 <tr>
  <td width="5%" valign="top" style="padding:0in .7pt 0in .7pt;width:5.7%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:2.86%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="91%" valign="top" style="padding:0in .7pt 0in .7pt;width:91.44%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="5%" valign="top" style="padding:0in .7pt 0in .7pt;width:5.7%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:2.86%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="91%" valign="top" style="padding:0in .7pt 0in .7pt;width:91.44%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Pre-commencement
  communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR
  240.13e-4(c))</font></p>
  </td>
 </tr>
 <tr>
  <td width="5%" valign="top" style="padding:0in .7pt 0in .7pt;width:5.7%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:2.86%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="91%" valign="top" style="padding:0in .7pt 0in .7pt;width:91.44%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
</table>

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

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

</div>

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

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

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

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 7.01&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Regulation FD Disclosure.</font></b></p>

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

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font></b><font size="2" style="font-size:10.0pt;">On April 20, 2006,<b><font style="font-weight:bold;"> </font></b>Mesa Royalty Trust issued a press release
announcing Mesa Royalty Trust&#146;s royalty income, income distribution and trust
expenses for the month of April 2006.&#160; A
copy of the press release is filed as Exhibit 99.1 hereto and is incorporated
herein by reference.</font></p>

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

<p style="margin:0in 0in .0001pt;punctuation-wrap:hanging;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">Pursuant to General
Instruction B.2 of Form 8-K and Securities and Exchange Commission Release No.
33-8176, the press release attached as Exhibit 99.1 is not &#147;filed&#148; for purposes
of Section 18 of the Securities Exchange Act of 1934, as amended, is not
subject to the liabilities of that section and is not deemed incorporated by
reference in any filing under the Securities Act of 1933, as amended, but is
instead furnished for purposes of that instruction.</font></p>

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

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 9.01&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Financial Statements and Exhibits.</font></b></p>

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

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; (c)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font></b><font size="2" style="font-size:10.0pt;">Exhibits.</font></p>

<p style="margin:0in 0in .0001pt .5in;punctuation-wrap:simple;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="84%" style="border-collapse:collapse;margin-left:72.7pt;width:84.1%;">
 <tr>
  <td width="14%" valign="top" style="padding:0in .7pt 0in .7pt;width:14.06%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Exhibit 99.1</font></p>
  </td>
  <td width="85%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:85.94%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Mesa Royalty Trust Press Release dated April 20,
  2006.</font></p>
  </td>
 </tr>
</table>

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

<div style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><hr size="2" width="100%" noshade color="gray" align="left"></div>

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

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">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></p>

<p style="margin:0in 0in .0001pt .5in;punctuation-wrap:simple;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="84%" style="border-collapse:collapse;width:84.56%;">
 <tr>
  <td width="23%" valign="top" style="padding:0in .7pt 0in .7pt;width:23.88%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="23%" valign="top" style="padding:0in .7pt 0in .7pt;width:23.82%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="52%" colspan="3" valign="top" style="padding:0in .7pt 0in .7pt;width:52.3%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Mesa Royalty Trust</font></p>
  </td>
 </tr>
 <tr>
  <td width="23%" valign="top" style="padding:0in .7pt 0in .7pt;width:23.88%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="23%" valign="top" style="padding:0in .7pt 0in .7pt;width:23.82%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="4%" valign="top" style="padding:0in .7pt 0in .7pt;width:4.56%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By:</font></p>
  </td>
  <td width="47%" colspan="2" valign="top" style="padding:0in .7pt 0in .7pt;width:47.74%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;JPMorgan
  Chase Bank, N.A., as Trustee</font></p>
  </td>
 </tr>
 <tr>
  <td width="23%" valign="top" style="padding:0in .7pt 0in .7pt;width:23.88%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="23%" valign="top" style="padding:0in .7pt 0in .7pt;width:23.82%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="4%" valign="top" style="padding:0in .7pt 0in .7pt;width:4.56%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="23%" valign="top" style="padding:0in .7pt 0in .7pt;width:23.88%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="23%" valign="top" style="padding:0in .7pt 0in .7pt;width:23.86%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="23%" valign="top" style="padding:0in .7pt 0in .7pt;width:23.88%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Date: April 20, 2006</font></p>
  </td>
  <td width="23%" valign="top" style="padding:0in .7pt 0in .7pt;width:23.82%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="4%" valign="top" style="padding:0in .7pt 0in .7pt;width:4.56%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By:</font></p>
  </td>
  <td width="47%" colspan="2" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in .7pt 0in .7pt;width:47.74%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ Mike Ulrich</font></p>
  </td>
 </tr>
 <tr>
  <td width="23%" valign="top" style="padding:0in .7pt 0in .7pt;width:23.88%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="23%" valign="top" style="padding:0in .7pt 0in .7pt;width:23.82%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="4%" valign="top" style="padding:0in .7pt 0in .7pt;width:4.56%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="47%" colspan="2" valign="top" style="border:none;padding:0in .7pt 0in .7pt;width:47.74%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Mike Ulrich</font></p>
  </td>
 </tr>
 <tr>
  <td width="23%" valign="top" style="padding:0in .7pt 0in .7pt;width:23.88%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="23%" valign="top" style="padding:0in .7pt 0in .7pt;width:23.82%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="4%" valign="top" style="padding:0in .7pt 0in .7pt;width:4.56%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="47%" colspan="2" valign="top" style="padding:0in .7pt 0in .7pt;width:47.74%;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Vice President and Trust Officer</font></p>
  </td>
 </tr>
</table>

<p align="center" style="margin:5.0pt 0in;punctuation-wrap:simple;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:5.0pt 0in;punctuation-wrap:simple;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:5.0pt 0in;punctuation-wrap:simple;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">3</font></p>

<div style="margin:5.0pt 0in;punctuation-wrap:simple;text-autospace:none;"><hr size="2" width="100%" noshade color="gray" align="left"></div>

</div>
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<p align="center" style="margin:5.0pt 0in;punctuation-wrap:simple;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:5.0pt 0in;punctuation-wrap:simple;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">EXHIBIT
INDEX</font></b><font size="2" style="font-size:10.0pt;"> </font></p>

<table border="0" cellspacing="0" cellpadding="0" width="72%" style="border-collapse:collapse;width:72.02%;">
 <tr style="page-break-inside:avoid;">
  <td width="64" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:48.1pt;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Exhibit</font></b></p>
  </td>
  <td width="6" valign="top" style="padding:0in 0in 0in 0in;width:4.8pt;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><b><u><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;"><font style="text-decoration:none;">&nbsp;</font></font></u></b></p>
  </td>
  <td width="353" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:264.4pt;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Description</font></b></p>
  </td>
  <td width="15" valign="top" style="padding:0in 0in 0in 0in;width:11.15pt;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><b><u><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;"><font style="text-decoration:none;">&nbsp;</font></font></u></b></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="64" valign="top" style="border:none;padding:0in 0in 0in 0in;width:48.1pt;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="6" valign="top" style="padding:0in 0in 0in 0in;width:4.8pt;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="353" valign="top" style="border:none;padding:0in 0in 0in 0in;width:264.4pt;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="15" valign="top" style="padding:0in 0in 0in 0in;width:11.15pt;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><b><u><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;"><font style="text-decoration:none;">&nbsp;</font></font></u></b></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="64" valign="top" style="padding:0in 0in 0in 0in;width:48.1pt;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">99.1</font></p>
  </td>
  <td width="6" valign="top" style="padding:0in 0in 0in 0in;width:4.8pt;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="353" valign="top" style="padding:0in 0in 0in 0in;width:264.4pt;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Mesa Royalty Trust Press Release dated April 20,
  2006.</font></p>
  </td>
  <td width="15" valign="top" style="padding:0in 0in 0in 0in;width:11.15pt;">
  <p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
</table>

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

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

<p style="margin:0in 0in .0001pt .5in;punctuation-wrap:simple;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;punctuation-wrap:simple;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;punctuation-wrap:simple;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4</font></p>

<div style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><hr size="2" width="100%" noshade color="gray" align="left"></div>

<p style="margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</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 99.1</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;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;letter-spacing:-.15pt;">Mesa Royalty Trust Announces Trust Income for April 2006</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;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;letter-spacing:-.25pt;">MESA ROYALTY TRUST</font></b></p>

<table border="0" cellspacing="0" cellpadding="0" width="92%" style="border-collapse:collapse;width:92.74%;">
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  <td width="70%" valign="top" style="padding:0in .7pt 0in .7pt;width:70.8%;">
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;letter-spacing:-.15pt;">JPMorgan
  Chase Bank, N.A., Trustee</font></b></p>
  </td>
  <td width="14%" valign="top" style="padding:0in .7pt 0in .7pt;width:14.24%;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="14%" valign="top" style="padding:0in .7pt 0in .7pt;width:14.96%;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><b><i><font size="4" face="Times New Roman" style="font-size:14.0pt;font-style:italic;font-weight:bold;letter-spacing:-.35pt;">NEWS&nbsp;&nbsp;</font></i></b></p>
  </td>
 </tr>
 <tr>
  <td width="70%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in .7pt 0in .7pt;width:70.8%;">
  <p style="margin:0in 0in .0001pt;"><b><i><font size="4" face="Times New Roman" style="font-size:1.0pt;font-style:italic;font-weight:bold;letter-spacing:-.35pt;">&nbsp;</font></i></b></p>
  </td>
  <td width="14%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in .7pt 0in .7pt;width:14.24%;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="14%" valign="top" style="padding:0in .7pt 1pt .7pt;width:14.96%;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><b><i><font size="4" face="Times New Roman" style="font-size:14.0pt;font-style:italic;font-weight:bold;letter-spacing:-.35pt;">RELEASE</font></i></b></p>
  </td>
 </tr>
</table>

<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;">&nbsp;</font></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="letter-spacing:-.15pt;margin:0in 0in .0001pt;page-break-after:avoid;text-align:left;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">FOR
IMMEDIATE RELEASE</font></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="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">AUSTIN,
TEXAS April 20, 2006 &#151; Mesa Royalty Trust (NYSE symbol-MTR)</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">announced
the Trust income distribution for the month of April 2006. Unitholders of
record on April 28, 2006 will receive distributions amounting to $988,054 or $0.530188677
per unit payable on July 31, 2006. Royalty income from the San Juan Basin
Properties totaled $360,984. Royalty income from the Hugoton Properties totaled
$633,955.</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="letter-spacing:-.1pt;margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.15pt;">The extent of future distributions from the properties
in which the Trust has an interest will continue to be dependent on normal
factors associated with oil and gas operations such as oil and gas production
levels, prices and associated cost, accruals for future abandonment costs,
timing and extent of capital expenditures.</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;">&nbsp;</font></p>

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

<table border="0" cellspacing="0" cellpadding="0" width="61%" style="border-collapse:collapse;width:61.8%;">
 <tr>
  <td width="25%" valign="top" style="padding:0in .7pt 0in .7pt;width:25.1%;">
  <h1 align="left" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;page-break-after:avoid;text-align:left;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">Contact:</font></b></h1>
  </td>
  <td width="74%" valign="top" style="padding:0in .7pt 0in .7pt;width:74.9%;">
  <h1 align="left" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;page-break-after:avoid;text-align:left;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">Mesa Royalty Trust</font></b></h1>
  </td>
 </tr>
 <tr>
  <td width="25%" valign="top" style="padding:0in .7pt 0in .7pt;width:25.1%;">
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;letter-spacing:-.15pt;">&nbsp;</font></b></p>
  </td>
  <td width="74%" valign="top" style="padding:0in .7pt 0in .7pt;width:74.9%;">
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;letter-spacing:-.15pt;">JPMorgan
  Chase Bank, N.A., as Trustee</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="25%" valign="top" style="padding:0in .7pt 0in .7pt;width:25.1%;">
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;letter-spacing:-.15pt;">&nbsp;</font></b></p>
  </td>
  <td width="74%" valign="top" style="padding:0in .7pt 0in .7pt;width:74.9%;">
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;letter-spacing:-.15pt;">Mike
  Ulrich</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="25%" valign="top" style="padding:0in .7pt 0in .7pt;width:25.1%;">
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;letter-spacing:-.15pt;">&nbsp;</font></b></p>
  </td>
  <td width="74%" valign="top" style="padding:0in .7pt 0in .7pt;width:74.9%;">
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;letter-spacing:-.15pt;">1(800)
  852-1422</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="25%" valign="top" style="padding:0in .7pt 0in .7pt;width:25.1%;">
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;letter-spacing:-.15pt;">&nbsp;</font></b></p>
  </td>
  <td width="74%" valign="top" style="padding:0in .7pt 0in .7pt;width:74.9%;">
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;letter-spacing:-.15pt;">(512)
  479-2562</font></b></p>
  </td>
 </tr>
</table>

<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;">&nbsp;</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;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;letter-spacing:-.15pt;">www.businesswire.com/cnn/mtr.htm</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;letter-spacing:-.15pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; 700
Lavaca&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Austin, TX 78701</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.15pt;">&nbsp;</font></p>

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

<div style="margin:0in 0in .0001pt;"><hr size="2" width="100%" noshade color="gray" align="left"></div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.15pt;">&nbsp;</font></p>

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