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The Collapse of the Saddle Dam of Xe-Pian Xe-Namnoy Hydroelectric Power Project

Ratchaburi Electricity Generating Holding Public Company Limited (the “Company”) received a report from Xe-Pian Xe-Namnoy Power Company Limited, who is the operator of Xe-Pian Xe-Namnoy Hydroelectric Power Project located in Champasak District, Lao People's Democratic Republic that on 23rd July 2018, the Saddle Dam D which is 8 meters wide, 770 meters long and 16 meters high, built in support for the water diversion around the Xe-Namnoy reservoir, Xe-Pian Xe-Namnoy Hydroelectric Power Project has collapsed. Therefore, such Saddle dam D was fractured and the water had leaked to the downstream area and down to Xe-Pian River which is about 5 kilometers from the dam. The incident was caused by continuous rainstorm which caused high volume of water to flow into the Project's reservoir.

Currently, Xe-Pian Xe-Namnoy Power Company Limited and related agencies had evacuated the people who reside around the area to temporary shelter for safety in accordance to the emergency plan. In addition, urgent assessment of the situation is being made in order to be able to immediately resolve the situation once the water level of the dam has decreased. The Company will make further notice if there is any progress in the situation.

Xe-Pian Xe-Namnoy Hydroelectric Power Project is currently under construction. The progress of the Project is approximately 90 percent and it is scheduled to commence commercial operation in 2019.

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