Mrs. Chamaiporn Yongwongpaiboon Mrs. Chamaiporn Yongwongpaiboon, Managing Director and Accounting and Finance Director of Permsin Steel Works Public Company Limited ("PERM"), knew the

2019. (Ms. Bee Leng Ooi will continue to be a Managing Director of the Company). 2.2) Mr. Shaw-Tseng Ding, Director of the Company, resigned as a Company Director, with effect from 21st August 2019. 3

Tohtubtiang Managing Director 13.87 % (69,407,700 shares) 2. Ms.Malika Maitreepirom Director 0.07 % (35,000 shares) 7. Connected people who are the directors of the board of committee did not vote in this

information was published via the SET on 30 October 2012 at 20.54 hours. Somporn, who had an access to the inside information by virtue of his position as TIP managing director, sold TIP shares on 28 August

to the share price but not yet publicly disclosed. After Mr. Itthipat (CEO and director) and Mr. Nutchatpong (Managing Director – Business Support), knew or possessed such inside information, Mr

Relationship Ms. Suchada Sodthibhapkul is an Authorized Director of the Company. 2. General characteristics of the transaction The Executive Director will be responsible for managing the Risk function for the

จดหมายชี้แจงq260e August 15, 2017 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for three month Ending 30 June 2017 Summary on Second Quarter

จดหมายชี้แจงq360e November 14, 2017 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for three month Ending 30 September 2017 Summary on third Quarter

จดหมายชี้แจงQ162e May 15, 2019 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for the three- month period ended 31 March 2019 Summary of the 1 st

จดหมายชี้แจงq262e August 14, 2019 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for three month Ending 30 June 2019 Summary on Second Quarter