growth rate of 9.05%. Cost of hospital operations The cost of hospital operations amounted to Baht 134.79 million and Baht 146.47 million in the six-month period ended June 30, 2017 and the six-month

/2017 due to increasing of feed cost. Selling and Administration Expenses Selling and administration expenses in Quarter 3/2018 increased of Baht 7.5 million or 4.5%, as result of IT system development

191 185 6 3% 381 370 11 3% Total expenses 522 499 23 5% 1,544 1,613 (69) -4% Cost of sales 435 385 50 13% 1,281 1,277 4 0% Cost of service 4 16 (13) -76% 20 25 (4) -18% Selling expenses 52 69 (18) -25

period-on-period decrease of 14.37%. Cost of hospital operations The cost of hospital operations amounted to Baht 277.32 million and Baht 277.87 million in the six-month period ended June 30, 2019 and the

Gain on investments 29.38 - 37.99 - Gain on exchange rate - - 36.75 - Other income 8.17 7.29 13.95 16.93 EXPENSES (145.79) (136.22) (231.42) (239.51) Cost of sales electricity (39.30) (39.29) (78.06

and the three-month period ended March 31, 2020, respectively. The figures represent a period-on-period increase of 5.36% due mainly to an increasing in number of patients. Cost of hospital operations

) % Change 2019 2018 Sales revenue 274.53 224.09 50.44 22.51% Other incomes 3.77 0.74 3.03 409.46% Total revenues 278.30 224.83 53.47 23.78% Cost of sales 117.60 85.18 32.42 38.06% Selling expenses 82.72 61.72

be informed accordingly. Yours faithfully, For and on behalf of Diamond Building Products Public Company Limited (Mr. Asanee Chantong) Chief Executive Officer - 1 - DIAMOND BUILDING PRODUCTS PUBLIC

described in the Management Discussion and Analysis (MD&A) as attached herewith. Please be informed accordingly. Yours faithfully, For and on behalf of Diamond Building Products Public Company Limited (Mr

herewith. Please be informed accordingly. Yours faithfully, For and on behalf of Diamond Building Products Public Company Limited (Mr. Satid Sudbuntad) Chief Executive Officer - 1 - DIAMOND BUILDING PRODUCTS