October 30, 2020 Subject: The Management Discussion and Analysis for the second quarter ended June 30, 2020 To: President The Stock Exchange of Thailand Well Graded Engineering Public Company Limited (“the

November 13, 2020 Subject: The Management Discussion and Analysis for the third quarter ended September 30, 2020 To: President The Stock Exchange of Thailand Well Graded Engineering Public Company Limited

prohibited from trading securities on the Stock Exchange or over-the-counter trading centers or entering into derivatives contracts on the Derivatives Exchange for one year and six months, and banned from

: Management explanation and analysis for the yearly ending 31 December 2018 Attention: The President of, The Stock Exchange of Thailand ZIGA Innovation Public Company Limited ( “ the Company” ) would like to

travel expenses, share-based payment transaction, and stock destruction fee. During 9M17, administrative expenses were in the amount of Bath 107.14 million, an increase by Baht 17.76 million or 19.87% as

โทร 02 654 3344 โทรสาร 02 654 3323 ทะเบียนเลขท่ี 0107554000232 No: PACE-L 12/2018 Date: 5 February 2018 Re: The Resolution of the Board of Directors’ Meeting To: Managing Director The Stock Exchange of

1 No. CC20180804ELE Aug 14, 2018 Subject Report of the Resolutions of Board of Directors’ Meeting No.3/2018 To President The Stock Exchange of Thailand The Board of Directors’ meeting of Cal-Comp

. Securities Code: TKT 2. Date of action resulting in reporting obligation: 29 October 2020 2.1 () Acquisition ( ) Disposition ( ) Through the Stock Exchange of Thailand via a securities company: Thai

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

stock, the fair valuation range is 0 .3 3 – 0 .7 7 Baht per share and the offering price is equal to 1 Baht per share as well as the allocation of support shares which are determined along with the