-1- AIT (VP-SEC) 022E/2022 August 11, 2022 Subject: Management's Discussion and Analysis of Operating Results for Q2-2022 To: The President of the Stock Exchange of Thailand Summary of Operations Q1

information under the Official Information Act; 2. Memos / delivery notes for the operation of the relevant departments and agendas of the SEC Board, agendas of the Capital Market Supervisory Board and agendas

(Benefit Delivery) และการใช้ทรัพยากรสารสนเทศให้ได้ประโยชน์สูงสุด (Resource Optimization

1Q/2023 financial statements as of May 31, 2023 which were reviewed by Deloitte Touche Tohmatsu Jaiyos Audit Company Limited. The operating performance is summarized as follows. Overview According to

expenses (7.95) (9.36) (1.42) 17.85% (15.79) (18.47) (2.68) 16.98% Other expenses (1.54) (1.10) 0.44 -28.39% (1.47) (2.25) (0.79) 53.66% Profit from operating activities 12.91 1.22 (11.70) -90.58% 37.93 3.84

expenses (7.89) (9.06) (1.17) 14.79% (23.69) (27.54) (3.85) 16.25% Other expenses (0.69) (2.29) (1.59) 230.74% (2.16) (4.54) (2.38) 110.40% Profit from operating activities 11.03 11.74 0.71 6.48% 48.96 15.58

  สำนักหักบัญชีหลักทรัพย์ต้องจัดให้มีระบบงานดังต่อไปนี้อย่างมีประสิทธิภาพ (1)  ระบบการชำระราคาและส่งมอบหลักทรัพย์แบบ delivery versus payment (DVP) โดยต้องกำหนดจุดเวลาเพื่อการชำระ

payment as follows: (1) To acknowledge the interim dividend payment from the Company’s operating results during the first half of the fiscal year ended March 31, 2018 which was made on March 9, 2018 in the

be some losses in the year 2017 from the operating expenses and interest expenses for development project. The Company expected investment and the long-term performance, including income from sale of

. However, TSEO may be some losses in the year 2017 from the operating expenses and interest expenses for development project. The Company expected investment and the long- term performance, including income