of the period was Bt20,498mn. 4 1Q19 MD&A Advanced Info Service Plc. Income statement (Bt mn) Pre-TFRS 15 Post-TFRS 15 1Q19 Deviation from Pre-TFRS 15 1Q18 4Q18 1Q19 %YoY %QoQ Mobile revenue1) 31,208

those in the same period of 2017, whereas prices range are in between 32.00 – 23.50 Baht, or highest at 8.50 Baht/Kilogram. While the Company (Company Only) realized net loss in the first 6 months period

. However, the Company had been managed inventories turnover to maximize efficiency. ▪ In the 2nd quarter of 2020, the Biodiesel’s ratio of cost of sales to total revenue was increased from in the 2nd quarter

managed inventories turnover to maximize the efficiency as follow; ▪ In the 3rd quarter of 2020, the Biodiesel’s ratio of cost of sales to total revenue was decreased from the 3rd quarter of 2019 to 21.54

period of the last year. KEY HIGHLIGHTS • Total revenue increased by 10.3%, mainly from increase in revenue from sale of investment properties and increase in revenue from rental and services together with

Ref. DBP. 111 / 2020 August 10, 2020 Subject : Clarification on Operating Results for the 2nd quarter and 6-month period ending June 30, 2020 To : President The Stock Exchange of Thailand Diamond

first quarter of year 2018 compared to the same period of prior year are as follows; The Group reported total revenues (excluded other revenues) at THB 168.2 million, decreased by THB 72.8 million or 30.2

period of 2018 which has a net profit of 36.77 million baht, an increase of 33.41 million baht or an increase of 90.84 percent by significant changes are as follows - The company has sales revenue of

9.67% when compared to the same period of 2018. The mainly increasing reason was transportation cost as the quantity of sales increasing. 3. Administrative expenses increased Baht 5.94 Million or 6.34

MATI 03/2563 February 28, 2020 Subject Report on Year End Period Consolidated Financial Statement which ended on December 31, 2019 To Director and Manager The Stock Exchange of Thailand Matichon