(Million Cu.M) Q1/2017 Q1/2018 YoY % Total distribution volume 69.98 61.93 (8.05) (11.50%) Internal usage for tap water 7.96 7.72 (0.24) (3.01%) Net Raw Water Sales Volume 62.01 54.21 (7.81) (12.59%) Raw

/2017 1H/2018 YoY % Total distribution volume 67.02 61.64 (5.38) (8.02%) 136.99 123.57 (13.43) (9.80%) Internal usage for tap water 7.98 7.20 (0.78) (9.75%) 15.94 14.92 (1.02) (6.39%) Net Raw Water Sales

area to be consistent with the sufficient water supply in Chonburi area. Therefore; gross profit margin of raw water business dropped to 61.29%. Raw Water Distribution by Customer Group (Internal usage

to accept the right under the Strategic Partnership Agreement between the Company and Hemaraj Land and Development Public Company Limited (“Hemaraj”) to conduct the business of distribution and retail

PowerPoint Presentation SEC Classification : ใชภ้ายใน (Internal) 1 สงิหาคม 2565 การเตรยีมการของผูจ้ดัเตรยีมค าขอ/ แบบรายงาน และเจา้หนา้ทีป่ฏบิตักิาร SEC Classification : ใชภ้ายใน (Internal) 2

. SEC Classification : ใชภ้ายใน (Internal) FORM 56-1 One Report (Attached to Notification No. Tor Jor. 55/2563) Applicable to the Financial Year Ending 31 December 2021 onwards Annual Registration

distribution volume decreased by 25.69 or -16.34% (excluding internal usage for tap water production of 15.20 million Cu.M.), due to East Water group compliance to the Royal Irrigation Department’s policy for

internal organization. To support the continuous growth rate in the future by focusing on the allocation of capital to improve factories and machineries instead of revenue growth and the revenue from sales

and to pay a  sales distribution fee at the rate of 1.5 percent of the sales of GSTEL to the Mahachai Group.  The agreement also provides that most products from the manufacturing process must be

(Internal)