Overall business of the Company and subsidiaries

C.S.S. Energy Co.,Ltd.

C.S.S. Energy Co. Ltd. originally named C.S.S. Cable and Accessories Co. Ltd., was established on 6 November 1997, with the original purpose of operating as a distributor of electrical wires and other electrical system equipment from leading international manufacturers. In 2011 C.S.S. Cable transferred these operations under the Company. In 2012, Company policy was for C.S.S. Cable to conduct business with government agencies and to act as representative for various products. These operations would mainly be conducted using Company personnel.

C.S.S. Cable and Accessories Co. Ltd. registered a change of name to C.S.S. Energy Co. Ltd. at the Ministry of Commerce on 24 October 2014, with its head office located at 329 Moo.3, Banmai, Pakkred, Nonthaburi, the same address as that of the Company by having a registered capital and paid-up capital amount of 150 million baht. In addition, C.S.S. Energy Co. Ltd. also has a branch located at 59 Moo.7, Bang Phra, Sri Racha, Chonburi.

Neonworx Communications (Thailand) Co. Ltd.

Neonworx Communications (Thailand) Co. Ltd. (NWC) was established on 13 July 2006 with purpose of operating as an agent installation and maintenance the telecommunication system by turnkey. Customers of the Company are AIS, True, Dtac and TOT etc. by having a registered capital and paid-up capital amount of 10 million baht. The head office located at 10 Soi Naknivas 47, Naknivas Road, Ladprao, Bangkok.

Namsor Hydro Power Co.,Ltd.

Namsor Hydro Power Co.,Ltd is a company incorporated and registered under the laws of the Lao People's Democratic Republic was established on 25 August 2014, with the original purpose of operating for conducting hydropower business. The head office located at Ban Nam Ngom, Meuang Vien, Bolikhamsai, Laos.

Phu Khanh Solar Power Joint Stock Company

Phu Khanh Solar Power Joint Stock Company is a company incorporated and registered under the laws of Vietnam with the original purpose of operating for conducting Solar Power Plant in Fujian province, Socialist Republic of Vietnam. There are 2 projects with total capacity of 99.216 MW.