30 September 2009 MR. PIPALAWAN O. NAGA PROVINCE OF LANAO DEL SUR New Capitol Complex, Buadi Sacayo, Marawi City 9700, PHILIPPINES Dear MR. NAGA: Subject: Acceptance Letter for Presentation at the 13th World Lake Conference in

Wuhan, China We take the pleasure to inform you that your paper

“Lake Lanao: An Ancient Lake in Distress”

has been accepted as an invited Oral paper to be presented at one of the Technical Sessions in the 13th World Lake Conference to be held in China, November 2 – 5, 2009. The Session assignment will be notified to you in due course as the program is finalized by the Conference Secretariat. I look forward to your participation in the 13th World Lake Conference. Kind Regards, MASAHISA NAKAMURA Chairman, ILEC Scientific Committee