(KM 26) Rd., Bangbor, Bangbor Samut Prakarn 10560 Telephone 0-2313-4848 Fax 0-2313-4849, 4787 Establish Date 06/10/2000 Listed Date 12/11/2020 IPO Price (Baht) 1.92 @Par0.50 Baht IPO Financial Advisory

made via telephone or by electronics mean, a record of audio tape or electronic storage medium thereof shall be kept by the derivatives agent. (2) Records of the details of transaction executed for its

accordingly. Yours Sincerely, (Mr. Chih - Hung Lin) Chief Operating Officer Company Secretary Office Telephone: 0 2658 8881

. Please be informed accordingly. Yours Sincerely, (Mr. Chih-Hung Lin) Chief Operating Officer Company Secretary Office Telephone: 0 2658 8881

or order must be kept until the complaint has been completely dealt with; If the giving of advice or placing of order under the first paragraph has been made via telephone or by electronics mean, a

specifically investment expenditure for the Telecommunication Infrastructure Project of Ministry of Digital Economy and Society has been expanded. Meanwhile, the government investment slowed down because the

to the following reasons: 1.Revenue increasing from electrical engineering; some projects signed contract in 2017. 2.Revenue increasing from telecommunication engineering; started a new project in Q1

, representing a decrease from the same quarter of the previous year by Baht 7 Million or 4.2 percent from the decrease in telecommunication revenue. (Translation) Bangkok Expressway and Metro Public Company

Commission, the maintenance Project of information technology and communication of the Office of the Secretary of the House of Representatives, the telecommunication services via high- speed network

mobile phone numbers, email addresses, addresses on the identification cards, addresses on the house registration, permanent address, home telephone numbers, and facsimile numbers. Sensitive data: Data