-0.01 -0.12 5.08 119.96 21.16 -2.64 23.80 -899.95 Other revenues 4.47 4.47 2.46 0.01 0.13 2.01 81.71 13.10 6.92 6.18 89.24 Distribution cost 5.97 5.69 7.43 0.29 5.04 -1.46 -19.68 18.21 13.38 4.84 36.17

/2017 YoY % Total distribution volume 68.17 59.67 (8.49) (12.46%) 216.87 196.67 (20.20) (9.32%) Internal usage for tap water 8.12 6.76 (1.36) (16.76%) 23.51 22.70 (0.82) (3.47%) Net Raw Water Sales Volume

PowerPoint Presentation SEC Classification : ใชภ้ายใน (Internal) 20 กนัยายน 2565 การเตรยีมการของผูม้อี านาจผกูพนัของกจิการ SEC Classification : ใชภ้ายใน (Internal) 2©Copyright การเตรยีมการของผูม้อี า

Bangkok, November 9, 2011 ? The SEC ordered Tongkah Harbour Plc. (THL) to arrange a special audit with regard to the company?s internal control, appropriateness of connected transactions and asset

the Information Memorandum on Acquisition of Assets of Production and distribution of water supply project (Rev1) on March 2, 2018 The Company would like to inform the amendment of such information as

Control | - |- Compliance / Internal control | - |- Information Technology |- Internal operation of Securities Companies | - |- Outsourcing Services | - |- Appoint service provider OR marketing

% Total distribution volume 61.62 59.46 2.15 3.62% 249.75 256.13 (6.38) (2.49%) Internal usage for tap water 7.45 7.53 (0.08) (1.09%) 29.76 30.23 (0.46) (1.54%) Net Raw Water Sales Volume 54.17 51.93 2.24

1,516.80 (29.24) (1.89%) Gross Profit Margin 53.12% 60.64% 57.34% 61.86% Raw Water Distribution by Customer Group (Internal usage for tap water production is included) Raw Water Distribution by Area

in the same period of the previous year. This was mainly due to an increase of approximately Baht 12.26 million in fee for product distribution, for which the Company has since September 2018 engaged

internal short