365.18 417.08 177.41 Treasury Stock - - - - - Shares Of The Company Held By Subsidiaries - - - - - Other Components Of Equity 3.73 4.44 4.28 4.42 3.97  - Surplus (Deficits) - - - - - Shareholders' Equity

-2,304.52 Retained Earnings (Deficit) 620.95 572.78 544.70 475.21 460.80 Treasury Stock - - - - - Shares Of The Company Held By Subsidiaries - - - - - Other Components Of Equity - - - 24.73 24.73  - Surplus

Share Capital - - - - - Retained Earnings (Deficit) 518.71 481.91 496.08 460.40 410.06 Treasury Stock - - - - - Shares Of The Company Held By Subsidiaries - - - - - Other Components Of Equity 253.56

No. WHAUP-CS014-2562 1 8 August 2019 Re Share Acquisition in Duong River Surface Water Plant JSC in Vietnam Dear President The Stock Exchange of Thailand WHA Utilities and Power Public Company

1,000.00 1,000.00 Premium (Discount) on Share Capital 467.90 467.90 467.90 467.90 Retained Earnings (Deficit) 1,210.92 1,198.52 1,166.13 1,181.99 Treasury Stock - - - - Shares Of The Company Held By

Stock - - - - Shares Of The Company Held By Subsidiaries - - - - Other Components Of Equity -600.01 -611.44 -592.43 -592.43  - Surplus (Deficits) -598.39 -598.39 -598.39 -598.39 Shareholders' Equity

Treasury Stock - - - - Shares Of The Company Held By Subsidiaries - - - - Other Components Of Equity 69.27 71.92 74.57 77.21  - Surplus (Deficits) 5.97 5.97 5.97 5.97 Shareholders' Equity 1,987.41 2,064.35

573.52 617.72 565.69 Treasury Stock - 102.98 102.98 - Shares Of The Company Held By Subsidiaries - - - - Other Components Of Equity -93.71 -1.61 -22.51 -11.53  - Surplus (Deficits) -102.98

473.81 286.71 286.71 - Retained Earnings (Deficit) 116.85 59.40 44.02 13.57 Treasury Stock - - - - Shares Of The Company Held By Subsidiaries - - - - Other Components Of Equity 21.98 21.98 21.98 21.98

600.00 Premium (Discount) on Share Capital 2,230.18 2,230.18 2,230.18 2,230.18 Retained Earnings (Deficit) -290.75 41.67 716.66 613.60 Treasury Stock - - - - Shares Of The Company Held By Subsidiaries