<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div apple-content-edited="true">
<span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px; "><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; "><span class="apple-style-span"><span style="font-size: 7.5pt; font-family: Helvetica, sans-serif; color: black; ">___________________________________________________________</span></span><span style="font-size: 13.5pt; font-family: Helvetica, sans-serif; color: black; "><o:p></o:p></span></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; "><span class="apple-style-span"><span style="font-size: 7.5pt; font-family: Helvetica, sans-serif; color: black; ">Prof. dr. Menno-Jan Kraak</span></span><span style="font-size: 13.5pt; font-family: Helvetica, sans-serif; color: black; "><o:p></o:p></span></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; "><span class="apple-style-span"><span style="font-size: 7.5pt; font-family: Helvetica, sans-serif; color: black; ">Department of Geoinformation Processing</span></span><span style="font-size: 13.5pt; font-family: Helvetica, sans-serif; color: black; "><o:p></o:p></span></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; "><span class="apple-style-span"><span style="font-size: 7.5pt; font-family: Helvetica, sans-serif; color: black; ">Faculty of Geoinformation Science and Earth Observation</span></span><span style="font-size: 13.5pt; font-family: Helvetica, sans-serif; color: black; "><o:p></o:p></span></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; "><span class="apple-style-span"><span style="font-size: 7.5pt; font-family: Helvetica, sans-serif; color: black; ">University of Twente</span></span><span style="font-size: 13.5pt; font-family: Helvetica, sans-serif; color: black; "><o:p></o:p></span></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; "><span class="apple-style-span"><span style="font-size: 7.5pt; font-family: Helvetica, sans-serif; color: black; ">PO Box 217, 7500 AE Enschede - the Netherlands</span></span><span style="font-size: 13.5pt; font-family: Helvetica, sans-serif; color: black; "><o:p></o:p></span></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; "><span class="apple-style-span"><span style="font-size: 7.5pt; font-family: Helvetica, sans-serif; color: black; ">Hengelosestraat 99, 7514 AE Enschede - the Netherlands (visiting)</span></span><span style="font-size: 13.5pt; font-family: Helvetica, sans-serif; color: black; "><o:p></o:p></span></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; "><span class="apple-style-span"><span style="font-size: 7.5pt; font-family: Helvetica, sans-serif; color: black; ">+31534874463 / +31534874335 (fax)</span></span><span style="font-size: 13.5pt; font-family: Helvetica, sans-serif; color: black; "><o:p></o:p></span></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; "><span class="apple-style-span"><span style="font-size: 7.5pt; font-family: Helvetica, sans-serif; color: black; "><a href="mailto:kraak@itc.nl" style="color: blue; text-decoration: underline; ">kraak@itc.nl</a></span></span><span style="font-size: 13.5pt; font-family: Helvetica, sans-serif; color: black; "><o:p></o:p></span></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; "><span class="apple-style-span"><span style="font-size: 7.5pt; font-family: Helvetica, sans-serif; color: black; ">___________________________________________________________</span></span><span style="font-size: 13.5pt; font-family: Helvetica, sans-serif; color: black; "><o:p></o:p></span></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 13.5pt; font-family: Helvetica, sans-serif; color: black; "> </span></div></div></span>
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