%) Gross Profit Margin 63.99% 62.53% 62.41% 60.35% Raw Water Distribution by Customer Group (Internal usage for tap water production is included) Raw Water Distribution by Area (Internal usage for tap water

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

- Bowin 12% Ban Chang - Sattahip 9% Chachoengsao 4% Jan – Dec 2018 = 249.75 million Cu.M. Jan – Dec 2019 = 313.41 million Cu.M. Raw Water Distribution by Area (Internal usage for tap water production is

– Mar 2019 = 77.35 million Cu.M. Jan – Mar 2020 = 71.50 million Cu.M. Raw Water Distribution by Customer Group (Internal usage for tap water production is included) Raw Water Distribution by Area

field and parking lot with Jainnopsiri Company Limited (Held by Mrs. Sirima Iamsakulrat and Mr.Jain Charnnarong) period 10 year since June1, 2020 or the date of possession of the area, whichever the date

Estate 68.18% Household Customer 23.26% Household Customer 17.62% Raw Water Distribution by Area (Internal usage for tap water production is included) Internal Usage 10.36% Internal Usage 11.64% Factories

Internal Control Sufficiency Evaluation Form Concepts and Objectives Good internal control is essential for a listed company or a public company as it can help preventing, managing, mitigating risks

% Household Customer 26% Private Industrial Park 12% Factories 5% Internal Usage 10% Raw Water Distribution by Area (Internal usage for tap water production is included) Map Ta Phut 50% Chonburi 24% Pluak Daeng

% Internal Usage 10% Raw Water Distribution by Area (Internal usage for tap water production is included) Map Ta Phut 50% Chonburi 24% Pluak Daeng - Bowin 11% Ban Chang - Sattahip 10% Chachoengsao 5% EASTERN

Water Distribution by Customer Group (Internal usage for tap water production is included) Raw Water Distribution by Area (Internal usage for tap water production is included) Jan – Mar 2017 = 69.98