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<body lang=EN-US link=blue vlink=blue style='tab-interval:.5in'>

<div class=Section1>

<p class=title><a name="_Toc6488081"></a><a name="_Toc6487965"><span
style='mso-bookmark:_Toc6488081'><b><span style='font-size:20.0pt;mso-bidi-font-size:
12.0pt;color:navy'>Business Process Execution Language <o:p></o:p></span></b></span></a></p>

<p class=title><span style='mso-bookmark:_Toc6487965'><span style='mso-bookmark:
_Toc6488081'><b><span style='font-size:20.0pt;mso-bidi-font-size:12.0pt;
color:navy'>for Web Services </span></b></span></span><span style='mso-bookmark:
_Toc6488081'></span><span style='mso-bookmark:_Toc6487965'></span><b><span
style='font-size:20.0pt;mso-bidi-font-size:12.0pt;color:gray'><o:p></o:p></span></b></p>

<p class=title><b><span style='font-size:18.0pt;mso-bidi-font-size:12.0pt;
color:gray'>Version 1.1</span></b><b><span style='font-size:18.0pt;mso-bidi-font-size:
12.0pt;color:navy'><o:p></o:p></span></b></p>

<p class=title align=left style='text-align:left'><a name="_Toc6569104"></a><a
name="_Toc6488083"></a><a name="_Toc6487967"><span style='mso-bookmark:_Toc6488083'><span
style='mso-bookmark:_Toc6569104'><b><span style='font-size:16.0pt;mso-bidi-font-size:
12.0pt;color:navy'>5 May 2003</span></b></span></span></a><b><span
style='font-size:16.0pt;mso-bidi-font-size:12.0pt;color:navy'><o:p></o:p></span></b></p>

<p class=MsoNormal>Authors (alphabetically):</p>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal><a href="mailto:tandrews@microsoft.com">Tony Andrews</a>,
Microsoft </p>

<p class=MsoNormal><a href="mailto:curbera@us.ibm.com"><span style='mso-bidi-font-family:
Arial'>Francisco Curbera</span></a>, <st1:mswterms>IBM</st1:mswterms></p>

<p class=MsoNormal><span style='mso-fareast-font-family:"MS Mincho";mso-fareast-language:
JA'><a href="mailto:Hitesh.Dholakia@siebel.com">Hitesh Dholakia</a>, Siebel
Systems</span><span style='font-size:12.0pt;font-family:"Times New Roman";
mso-fareast-font-family:"MS Mincho";color:windowtext;mso-fareast-language:JA'> <o:p></o:p></span></p>

<p class=MsoNormal><a href="mailto:ygoland@bea.com"><span lang=DE
style='mso-bidi-font-family:Arial;mso-ansi-language:DE'>Yaron Goland</span></a><span
lang=DE style='mso-ansi-language:DE'>, BEA<o:p></o:p></span></p>

<p class=MsoNormal><a href="mailto:joklein@microsoft.com"><span lang=DE
style='mso-bidi-font-family:Arial;mso-ansi-language:DE'>Johannes Klein</span></a><span
lang=DE style='mso-ansi-language:DE'>, Microsoft<o:p></o:p></span></p>

<p class=MsoNormal><a href="mailto:LEY1@de.ibm.com"><span lang=DE
style='mso-bidi-font-family:Arial;mso-ansi-language:DE'>Frank Leymann</span></a><span
lang=DE style='mso-ansi-language:DE'>, </span><st1:mswterms><span lang=DE
 style='mso-ansi-language:DE'>IBM</span></st1:mswterms><span lang=DE
style='mso-ansi-language:DE'><o:p></o:p></span></p>

<p class=MsoNormal><span lang=DE style='mso-ansi-language:DE'><a
href="mailto:kevin.liu@sap.com">Kevin Liu</a>, </span><st1:mswterms><span
 lang=DE style='mso-ansi-language:DE'>SAP</span></st1:mswterms><span lang=DE
style='mso-ansi-language:DE'><o:p></o:p></span></p>

<p class=MsoNormal><a href="mailto:ROL@de.ibm.com"><span style='mso-bidi-font-family:
Arial'>Dieter Roller</span></a>, <st1:mswterms>IBM</st1:mswterms><o:p></o:p></p>

<p class=MsoNormal><span style='mso-fareast-font-family:"MS Mincho";mso-fareast-language:
JA'><a href="mailto:Doug.Smith@siebel.com">Doug Smith</a>, Siebel Systems </span><span
style='font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family:
"MS Mincho";color:windowtext;mso-fareast-language:JA'><o:p></o:p></span></p>

<p class=MsoNormal><a href="mailto:satisht@microsoft.com"><span
style='mso-bidi-font-family:Arial'>Satish Thatte</span></a>, Microsoft (Editor)</p>

<p class=MsoNormal><a href="mailto:ivana.trickovic@sap.com">Ivana Trickovic</a>,
<st1:mswterms>SAP</st1:mswterms></p>

<p class=MsoNormal><a href="mailto:sanjiva@us.ibm.com"><span style='mso-bidi-font-family:
Arial'>Sanjiva Weerawarana</span></a>, <st1:mswterms>IBM</st1:mswterms></p>

<p class=copyright><span class=code>Copyright