<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:14pt"><div>Dear Prof. <span class="">Stefaan Cottenier,</span></div><div style="color: rgb(0, 0, 0); font-size: 18.6667px; font-family: times new roman,new york,times,serif; background-color: transparent; font-style: normal;"><span class="">Thanks for your nice guide<br></span></div></div></body></html>