Zen Corporation Group Public Company Limited 782/1 Soi Onnuch 17, Suanluang, Bangkok 10250 THAILAND Tel: 02-0195000 18 February 2019 No. ZEN 2562-006 Subject Management Discussion and Analysis for

, 2019 Subject Explanation and analysis of Management for second quarter 2019 Attention Directors and manager The Stock Exchange of Thailand Inter pharma Public Company Limited (“the Company”) would like

9.56 million. The main reasons were as follows:- 1. The consolidated sales increased by Baht 89.76 million or 11.66%. The company recognized project income of Baht 123.28 million in percentage of

agreement were recorded as cost of sales and services or operating cost). For the Company and its subsidiaries, the adoption of TFRS 16 Leases mainly affects the Main Lease Agreement (80% of the OFC), entered

ZIGA INNOVATION PUBLIC COMPANY LIMITED 999/9,10,11 MOO 9 NAIKLONGBANGPLAKOD, PHASUMUDJADEE, SAMUDPRAKARN 10290 Tel. 02-816-9315 Fax. 02-816-9315 #444 NO. ZIGA 002/2019 15 February 2019 Subject

. Management Service (“MS”) had a decrease in gross profit for Baht (4.85) million. Main reason was that, in Q1 /2 0 1 9 , the company already had a renew contract from the main repeat customer who requested the

decrease in gross profit for Baht (5.34) million. Main reason was that, in Q1/2018, the company already had a renew contract from the main repeat customer who requested the company to prepare the training

respectively. The Company has steady income from the business with the main transactions from the transmission tower and cable network installation for TRUE and CAT for instance. Maintenance and Service Business

26 February 2019 Subject: Management Discussion and Analysis for the Year Ended December 31, 2018 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company Limited

15 May 2018 Subject: Management Discussion and Analysis for the 3-Month Period Ended March 31, 2018 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company Limited