2020 as the date determining the shareholders entitled to attend the Extraordinary General Meeting of Shareholders No. 1/2020 (Record Date) The Company will notify the shareholders of the new schedule

- Translation - LPH/SET/2017/024 October 2, 2017 Subject : Schedule for the date and agenda of the Extraordinary General Meeting of the Shareholders No.1/2017 (Revised) To : President The Stock

date a 7 Exchange o ors’ Meeting 7, held on M schedule of 17”) on Mon Grand Fourw kok. record date onday, Octob agenda for th ors’ Opinion : ors’ Opinion : - and agenda f Thailand of Ladprao G Monday

-Translation- Ref. No. PorBor. 004 / 2020 January 10, 2020 Subject: Notifying cancellation of the resolution of the Board of Directors’ Meeting and Schedule Entering into Transaction of Disposing of

extent of the interest of the connected persons in the transaction : -Non- 9. This transaction allows to standard of receiving and selling of assets. In this schedule the company sold out the investment

selling of assets. In this schedule the company sold out the investment port amount 27,000 baht related to total assets of the company was less than 15% of total assets and the company has no transaction

Company Limited 140/1 KHANJANAPISEK RD., BANGKAE, BANGKAE, BANGKOK, THAILAND. 10160 Tel: 02-455-2888 Fax: 02-455-2763 ( “TRANSLATION” ) No. TG 024 / 2561 6 February 2018 Subject Schedule for the

occur from several projects and backlogs of IGE and subsidiaries. The contracts of the projects have been postponed and made the revenue recognition is not on schedule. 2. Sales and Services increase from

’ right to receive dividend due to the Company confirms to omit the dividend payment. In addition, the Company confirms to remain the agenda meeting stated on the previous schedule except one agenda of

Acquisition of Assets of DOD Biotech Public Company Limited regarding the Acquisition of Land and Establishment of Subsidiary, which is Class 2 Transaction (Schedule 1) DOD Biotech Public Company Limited ( the