October 30, 2020 Subject: The Management Discussion and Analysis for the year ended 31st December 2019 To: President The Stock Exchange of Thailand Well Graded Engineering Public Company Limited (“the

แบบแสดงรายการข้อมูลสำหรับการเสนอขายหลักทรัพย์ (แบบ 69-1) 1 No. WHAUP-CS021/2018 August 10, 2018 Attention: Managing Director – Stock Exchange of Thailand Subject: Report of Financial Results for the

-9320 1 Ref: PLC.2020/005 March 9, 2020 Subject : Dividend payment and the connected transaction and schedule of the 2020 Annual General Meeting of Shareholders To : President, The Stock Exchange of

-9320 1 Ref: PLC.2020/005 March 9, 2020 Subject : Dividend payment and the connected transaction and schedule of the 2020 Annual General Meeting of Shareholders (Amendment) To : President, The Stock

วันที่ 15 ตุลาคม 2545 1 NO. (SUTHA-SET) 009/2019/EN 15 May 2019 Subject: Notification of the Board of Directors resolution regarding the approval of interim dividend payment and schedule for the

Retained Earnings (Deficit) 138.04 114.70 164.47 50.97 125.09 Treasury Stock - - - - - Shares Of The Company Held By Subsidiaries - - - - - Other Components Of Equity - - - - -68.82  - Surplus (Deficits

585.00 Retained Earnings (Deficit) 739.91 728.38 778.15 595.68 587.78 Treasury Stock - - - - - Shares Of The Company Held By Subsidiaries - - - - - Other Components Of Equity -5.69 -5.93 -0.14 -5.96

Premium (Discount) on Share Capital 547.61 547.61 547.61 547.61 824.43 Retained Earnings (Deficit) -1,001.70 -967.94 -985.37 -881.59 -927.98 Treasury Stock - - - - - Shares Of The Company Held By

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