<html><head></head><body><div style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;"><div><div><br></div><div><br></div><div class="ydp6d3fbab5signature"><div> </div><div><font face="times new roman, new york, times, serif"><font size="3"><font color="#40a0ff"><b>Denis Beina, Ph.D.</b></font> </font></font></div><div><font face="times new roman, new york, times, serif" color="#40a0ff" size="3">************************</font></div>
<p class="ydp6d3fbab5MsoNormal" style="text-align:justify;"><span style="font-size:12.0pt;line-height:115%;">Division des Sciences</span></p><p class="ydp6d3fbab5MsoNormal" style="text-align:justify;"><span style="font-size:12.0pt;line-height:115%;">Com.Nat. UNESCO</span></p>
<p class="ydp6d3fbab5MsoNormal" style="text-align:justify;"><span style="font-size:12.0pt;line-height:115%;">BP:1583, Bangui, Rép. Centrafricaine</span></p><p class="ydp6d3fbab5MsoNormal" style="text-align:justify;"><span style="font-size:12.0pt;line-height:115%;">Tél. +23675048024</span></p>
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