Nam San 3B Power Sole Co. , Ltd. [ “Nam San 3B” ] from Phongsubthavy Roads and Bridges Construction and Irrigation Sole Co. , Ltd. in the amount not exceeding USD 113.2 million [approximately THB 3,581

approving 535,436, Company amendme registered 4, 2019 Notificatio of the Da Capital by Director a The Stock re 1. Capita 2. Inform Existin As Nation s’ Meeting No d the significa 1. Resolv g the decreas

Pending Settlement, to be consistent with the Stock Exchange of Thailand’s operational guidelines, and international standards. Salient points include: 1. Non-resident (NR) who receives Thai Baht related to

dividend received from SPF and investments in marketable securities. However, this was offset by cash outflows used for construction of catering facilities in Phuket, and increase in percentage of ownership

1 --Translation-- Sor Gor 7/2018 January 19, 2018 Subject: Management Discussion and Analysis for the year ended December 31, 2017 (Unaudited) To: The President The Stock Exchange of Thailand

1 --Translation-- Sor Gor 11/2018 February 22, 2018 Subject: Management Discussion and Analysis for the year ended December 31, 2017 (Audited) To: The President The Stock Exchange of Thailand

and incentives to gain the privilege when travelling from CLMV countries to Thailand. (February 2019) 5. The Company, BTS Group Holding Public Company Limited and Sino-Thai Engineering & Construction

incentives to gain the privilege when travelling from CLMV countries to Thailand. (February 2019) 5. The Company, BTS Group Holding Public Company Limited and Sino-Thai Engineering & Construction Public

during ongoing construction is eligible for capitalization). 6M/2018 Finance Costs The Company and its subsidiaries recorded finance costs of Baht 27 million (including finance costs from LQSF of Baht 0.8

share. 6. The Company, BTS Group Holding Public Company Limited and Sino-Thai Engineering & Construction Public Company Limited jointly submitted the proposal under the name of “BBS Joint Venture” for the