-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 NDBOpCTSYe2NixGjCoLkiOCqwMpb9xJVGi/uGy1KU8502XHdKY/ASNw694Ch3IHF
 JunAx/xZo58TuV3xQXN8CQ==

<SEC-DOCUMENT>0001047469-03-028405.txt : 20030821
<SEC-HEADER>0001047469-03-028405.hdr.sgml : 20030821
<ACCEPTANCE-DATETIME>20030820174421
ACCESSION NUMBER:		0001047469-03-028405
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20030820
ITEM INFORMATION:		
ITEM INFORMATION:		Financial statements and exhibits
ITEM INFORMATION:		Regulation FD Disclosure
FILED AS OF DATE:		20030821

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:		03858754

	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>a2117428z8-k.htm
<DESCRIPTION>8-K
<TEXT>
<HTML>
<HEAD>

</HEAD>
<BODY BGCOLOR="#FFFFFF" LINK=BLUE  VLINK=PURPLE>
<BR>
<FONT SIZE=3 ><A HREF="#03HOU1397_1">QuickLinks</A></FONT>
<font size=3> -- Click here to rapidly navigate through this document</font>
<P ALIGN="CENTER"><FONT SIZE=4><B>UNITED STATES<BR>
SECURITIES AND EXCHANGE COMMISSION<BR>  </B></FONT><FONT SIZE=2>Washington, D.C. 20549 </FONT></P>

<HR NOSHADE ALIGN="CENTER" WIDTH="120">
<P ALIGN="CENTER"><FONT SIZE=4><B>FORM 8-K  </B></FONT></P>

<HR NOSHADE ALIGN="CENTER" WIDTH="120">
<P ALIGN="CENTER"><FONT SIZE=3><B>CURRENT REPORT  </B></FONT></P>

<P ALIGN="CENTER"><FONT SIZE=3><B> PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934  </B></FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2>Date of Report (Date of earliest event reported): </FONT><FONT SIZE=2><B>August&nbsp;20, 2003  </B></FONT></P>

<P ALIGN="CENTER"><FONT SIZE=4><B>Mesa Royalty Trust<BR>  </B></FONT><FONT SIZE=2>(Exact name of Registrant as specified in its charter) </FONT></P>

<!-- User-specified TAGGED TABLE -->
<TABLE WIDTH="100%" BORDER=0 CELLSPACING=0 CELLPADDING=0>
<TR VALIGN="TOP">
<TD WIDTH="32%" ALIGN="CENTER"><FONT SIZE=2><B>Texas<BR> </B></FONT><FONT SIZE=2>(State or other jurisdiction of<BR>
incorporation or organization)</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="32%" ALIGN="CENTER"><FONT SIZE=2><B>1-7884<BR> </B></FONT><FONT SIZE=2>(Commission<BR>
File Number)</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="32%" ALIGN="CENTER"><FONT SIZE=2><B>76-6284806<BR> </B></FONT><FONT SIZE=2>(I.R.S. Employer<BR>
Identification No.)</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="32%" ALIGN="CENTER"><FONT SIZE=2><BR>
<BR></FONT> <FONT SIZE=2><B>JPMorgan Chase Bank, Trustee<BR>
Institutional Trust Services<BR>
700 Lavaca Street<BR>
Austin, Texas<BR> </B></FONT><FONT SIZE=2>(Address of principal executive offices)</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="32%" ALIGN="CENTER"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="32%" ALIGN="CENTER"><BR><FONT SIZE=2><B><BR>
<BR>
<BR>
78701</B></FONT><FONT SIZE=2><BR>
(Zip Code)</FONT></TD>
</TR>
</TABLE>
<!-- end of user-specified TAGGED TABLE -->

<P ALIGN="CENTER"><FONT SIZE=2>Registrant's
Telephone Number, including area code: </FONT><FONT SIZE=2><B>(512)&nbsp;479-2562  </B></FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2><B> Not Applicable<BR>  </B></FONT><FONT SIZE=2>(Former name, former address and former fiscal year,<BR>
if changed since last report) </FONT></P>

<HR NOSHADE>
<!-- ZEQ.=1,SEQ=1,EFW="2117428",CP="MESA ROYALTY TRUST",DN="1",CHK=593013,FOLIO='blank',FILE='DISK003:[03HOU7.03HOU1397]BA1397A.;3',USER='MTRAN',CD='20-AUG-2003;15:52' -->
<!-- THIS IS THE END OF A COMPOSITION COMPONENT -->

<P><FONT SIZE=2><A
NAME="page_da1397_1_2"> </A> </FONT> <FONT SIZE=2><B>ITEM 7. FINANCIAL STATEMENTS AND EXHIBITS.  </B></FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)
Exhibits. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;99.1
Mesa Royalty Trust Press Release dated August&nbsp;20, 2003. </FONT></P>

<P><FONT SIZE=2><B>ITEMS 9 AND 12. REGULATION FD DISCLOSURE AND DISCLOSURE OF ROYALTY INCOME AND INCOME DISTRIBUTION.  </B></FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Attached
as Exhibit&nbsp;99.1 is a copy of a press release, dated August&nbsp;20, 2003, announcing Mesa Royalty Trust's royalty income and income distribution for the month of
August&nbsp;2003. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;In
accordance with General Instruction B.2. of Form&nbsp;8-K and Securities and Exchange Commission Release No.&nbsp;33-8176, the above information is being
furnished under Items 9 and 12 of Form&nbsp;8-K and is not deemed "filed" for purposes of Section&nbsp;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. </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2>2</FONT></P>

<HR NOSHADE>
<!-- ZEQ.=1,SEQ=2,EFW="2117428",CP="MESA ROYALTY TRUST",DN="1",CHK=818302,FOLIO='2',FILE='DISK003:[03HOU7.03HOU1397]DA1397A.;3',USER='MTRAN',CD='20-AUG-2003;15:52' -->
<!-- THIS IS THE END OF A COMPOSITION COMPONENT -->
<P ALIGN="CENTER"><FONT SIZE=2><A
NAME="page_jc1397_1_3"> </A> </FONT></P>

<!-- TOC_END -->
<P ALIGN="CENTER"><FONT SIZE=2><A
NAME="jc1397_signatures"> </A>
<A NAME="toc_jc1397_1"> </A>
<BR></FONT><FONT SIZE=2><B>SIGNATURES    <BR>    </B></FONT></P>


<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;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
thereunto duly authorized. </FONT></P>

<!-- User-specified TAGGED TABLE -->
<TABLE WIDTH="100%" BORDER=0 CELLSPACING=0 CELLPADDING=0>
<TR VALIGN="TOP">
<TD WIDTH="39%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD COLSPAN=2><FONT SIZE=2>MESA ROYALTY TRUST</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="39%"><BR><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD COLSPAN=2><FONT SIZE=2><BR>
By: JPMorgan Chase Bank, as Trustee</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="39%"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="4%"><FONT SIZE=2><BR>
By:</FONT></TD>
<TD WIDTH="54%"><FONT SIZE=2><BR>
/s/&nbsp;&nbsp;</FONT><FONT SIZE=2>MIKE ULRICH</FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><HR NOSHADE><FONT SIZE=2> Mike Ulrich<BR></FONT> <FONT SIZE=2><I>Vice President and Trust Officer<BR> </I></FONT></TD>
</TR>
</TABLE>
<!-- end of user-specified TAGGED TABLE -->


<P><FONT SIZE=2>Date:
August&nbsp;20, 2003 </FONT></P>

<P><FONT SIZE=2>Exhibit
Index </FONT></P>

<!-- User-specified TAGGED TABLE -->
<TABLE WIDTH="76%" BORDER=0 CELLSPACING=0 CELLPADDING=0>
<TR VALIGN="BOTTOM">
<TH WIDTH="12%" ALIGN="LEFT"><FONT SIZE=1><B>Exhibit Number<BR> </B></FONT><HR NOSHADE></TH>
<TH WIDTH="3%"><FONT SIZE=1>&nbsp;</FONT></TH>
<TH WIDTH="85%" ALIGN="CENTER"><FONT SIZE=1><B>Description</B></FONT><HR NOSHADE></TH>
</TR>
<TR BGCOLOR="#CCEEFF" VALIGN="BOTTOM">
<TD WIDTH="12%" ALIGN="CENTER" VALIGN="TOP"><FONT SIZE=2>99.1</FONT></TD>
<TD WIDTH="3%" VALIGN="TOP"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="85%" VALIGN="TOP"><FONT SIZE=2>Mesa Royalty Trust Press Release dated August&nbsp;20, 2003.</FONT></TD>
</TR>
</TABLE>
<!-- end of user-specified TAGGED TABLE -->

<P ALIGN="CENTER"><FONT SIZE=2>3</FONT></P>

<HR NOSHADE>
<!-- ZEQ.=1,SEQ=3,EFW="2117428",CP="MESA ROYALTY TRUST",DN="1",CHK=752411,FOLIO='3',FILE='DISK003:[03HOU7.03HOU1397]JC1397A.;3',USER='MTRAN',CD='20-AUG-2003;15:53' -->
<!-- THIS IS THE END OF A COMPOSITION COMPONENT -->
<BR>
<P><br><A NAME="03HOU1397_1">QuickLinks</A><br></P><!-- TOC_BEGIN -->
<FONT SIZE=2><A HREF="#toc_jc1397_1">SIGNATURES</A></FONT><BR>
<!-- SEQ=,FILE='QUICKLINK',USER=MTRAN,SEQ=,EFW="2117428",CP="MESA ROYALTY TRUST",DN="1" -->
<!-- TOCEXISTFLAG -->
</BODY>
</HTML>

</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>3
<FILENAME>a2117428zex-99_1.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
<HTML>
<HEAD>

</HEAD>
<BODY BGCOLOR="#FFFFFF" LINK=BLUE  VLINK=PURPLE>
<BR>
<P ALIGN="RIGHT"><FONT SIZE=2><B>Exhibit 99.1  </B></FONT></P>


<P><FONT SIZE=2>Mesa-Royalty-Trust </FONT></P>

<P><FONT SIZE=2><B>Mesa Royalty Trust Announces Trust Income for August&nbsp;2003  </B></FONT></P>

<P><FONT SIZE=4><B>Mesa Royalty Trust</B></FONT></P>

<P><FONT SIZE=3><B>JPMorgan Chase Bank, Trustee</B></FONT></P>

<!-- User-specified TAGGED TABLE -->
<TABLE WIDTH="100%" BORDER=0 CELLSPACING=0 CELLPADDING=0>
<TR VALIGN="TOP">
<TD WIDTH="49%" ALIGN="CENTER"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="49%" ALIGN="CENTER"><FONT SIZE=5><B>NEWS<BR>
RELEASE</B></FONT></TD>
</TR>
</TABLE>
<!-- end of user-specified TAGGED TABLE -->


<P><FONT SIZE=2><B>For Immediate Release  </B></FONT></P>

<P><FONT SIZE=2>AUSTIN,
TEXAS August 20, 2003 &#151; Mesa Royalty Trust (NYSE symbol-MTR) announced the Trust income distribution for the month of August 2003. Unitholders of record on August&nbsp;29, 2003
will receive a distribution amounting to $758,965 or $0.407259535 per unit payable on October&nbsp;31, 2003. Royalty income from the San Juan Basin Properties totaled $351,531. Royalty income from
the Hugoton Properties totaled $409,731. </FONT></P>

<P><FONT SIZE=2>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>

<!-- User-specified TAGGED TABLE -->
<TABLE WIDTH="100%" BORDER=0 CELLSPACING=0 CELLPADDING=0>
<TR VALIGN="TOP">
<TD WIDTH="10%"><FONT SIZE=2><B>Contact:</B></FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="88%"><FONT SIZE=2><B>Mesa Royalty Trust<BR>
JPMorgan Chase Bank, as Trustee<BR>
Mike Ulrich<BR>
1(800)&nbsp;852-1422<BR>
(512)&nbsp;479-2562</B></FONT></TD>
</TR>
</TABLE>
<!-- end of user-specified TAGGED TABLE -->


<P><FONT SIZE=2><B>www.businesswire.com/cnn/mtr.htm  </B></FONT></P>

<UL>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;P.O.&nbsp;Box
550 Austin, TX 78789 </FONT></P>

</UL>
<HR NOSHADE>
<!-- ZEQ.=1,SEQ=1,EFW="2117428",CP="MESA ROYALTY TRUST",DN="2",CHK=664569,FOLIO='blank',FILE='DISK003:[03HOU7.03HOU1397]MA1397A.;3',USER='MTRAN',CD='20-AUG-2003;15:53' -->
<!-- THIS IS THE END OF A COMPOSITION COMPONENT -->
<BR>
<!-- SEQ=,FILE='QUICKLINK',USER=MTRAN,SEQ=,EFW="2117428",CP="MESA ROYALTY TRUST",DN="2" -->
<!-- TOCEXISTFLAG -->
</BODY>
</HTML>

</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----
