Thailand Diamond Building Products Public Company Limited and its Subsidiary (together referred to as “Corporate Group”) would like to clarify on the operating results according to the consolidated financial

net repayments of Bt738mn, cash outstanding was Bt9,067mn. 4 FY18 MD&A Advanced Info Service Plc. Income statement (Bt mn) 4Q17 3Q18 4Q18 %YoY %QoQ FY17 FY18 %YoY Mobile revenue 31,016 30,862 31,364 1.1

amount has been converted into THB at an exchange rate of THB1:IDR462 and USD at an exchange rate of USD1:IDR13,999 as of 11 December 2019 3 Unit: THB million1/ Published consolidated financial statement

12,279 13% Gross profit 1,256 1,647 1,834 11% 46% 2,354 3,481 48% EBITDA 1,101 1,482 1,630 10% 48% 2,016 3,113 54% EBIT 778 1,067 1,185 11% 52% 1,378 2,253 63% Non-operating other income and expenses 136

equities of THB 11,137 million. Global Green Chemicals Public Company Limited Management’s Discussion and Analysis | 3 Operating Performance Exhibit 1 : Consolidated Performance comparison of 1Q2018 vs

2. Operation performance according to consolidated financial statement For the three-month period (April 1, 2017 – June 30, 2017) Unit : Million Baht 2017 2016 Revenue from sale and rendering of

Consolidated Financial Statement of the Company for the period ending 30 September 2017, which is the highest transaction value calculated by applying the first calculation basis, i.e. Net Tangible Assets (NTA

consideration was equal to THB 120 million compared to the net tangible asset value of THB 2,304.01 million according to the Company’s consolidated financial statements as reviewed by the auditor as at September

value of consideration basis. The highest transaction value is derived from this method of calculation, whereby the calculation is based on the Company's reviewed consolidated financial statements for the

is paid at 25 percent of the registered capital. Management Discussion and Analysis For the 1st Quarter Ended 31 March, 2020 Page 5 2. Operation performance according to consolidated financial