accordingly. Yours sincerely, (Mr. Waranchai Jensiriwanich) Legal director/company secretary Legal Department Tel. 02-636-6111 - Translation - Enclosure 1 Value in Thai Baht (THB) as converted from Great
Value in Thai Baht (THB) as converted from Great British Pound (GBP) is based on exchange rate of 38.392 THB/EUR, 43.422 THB/GBP and 33.105 THB/USD according to Bloomberg Markets as of 8 November 2017
despite a sharp increase in LME zinc price. The USD zinc price increased by 23% from 2,781USD/ton in Q1 2017 to 3,422USD/ton in Q1 2018. Thai Baht appreciated against the US dollar by 10% from 35.29 THB/USD
Baht against USD. The USD zinc price increased to 2,962USD/ton in Q3 2017 from 2,253USD/ton in Q3 2016. Thai Baht appreciated against the US dollar by 4% from 35.01 THB/USD in Q3 2016 to 33.55 THB/USD in
income – Cost of sales and services (does not include other income) Q3 2019 Q3 2018 YoY change YoY % change Unit: Million Thai Baht (THB) Sales and service income 219.09 301.56 -82.47 -27% Other income
and partially from realized on exchange from payment for machine and spare parts for the under-developed projects to foreign suppliers. During the fourth quarter of 2023, Thai Baht was appreciated
orders decreased in Q2/2017 and the appreciation of exchange rate between Thai baht against US dollar . The cost of sales in Q2/2017 was 286,158,692.19 Baht, compared to the cost of sales in Q2/2016 amount
exchange rate between Thai baht against US dollar in 2017, compared to 2016. The cost of sales in Q3/2017 was 406,208,543.69 Baht, compared to the cost of sales in Q3/2016 amount 407,680,660.35 Baht. It
suppliers. As of 31 March 2021, Thai Baht was depreciated compared to exchange rate as of 31 December 2020 which the Group gained on exchange rate. Gain on forward contracts Q1-2021 Q1-2020 THB Mn THB Mn THB
well-performing overseas assets. The Hotel industry remains the key revenue driver. Thai goods and services are at a premium due to the appreciation in Thai Baht, reducing the demand especially within