The Saddle Dam D at the Hydroelectric Power project Xe-Pian Xe-Namnoy in the Lao People’s Democratic Republic failed on July 23, 2018. An Independent Expert Panel (IEP) was established to investigate into and report on the failure of the embankment dam. The Executive Summary of the IEP final report (Anton J. Schleiss, Jean-Pierre Tournier, and Ahmed F. Chraibi, Report of Independent Expert Panel (IEP), Xe-Pian Xe-Namnoy Project - Failure of Saddle Dam D, Final Report. 20 March 2019) is presented here.