-1- AIT (VP-SEC) 013E/2018 May 8, 2018 Subject: Management's Discussion and Analysis of Operating Results for Q1-2018 To: The President of The Stock Exchange of Thailand Summary of Operations Q3

ที่ช าระในอัตราสัญญาละ 10 สตางค์ ซ่ึงค านวณจากจ านวน สัญญาซ้ือขายล่วงหน้าในศนูย์ซ้ือขายสัญญาซ้ือขายล่วงหนา้ โดยสัญญาซ้ือขายล่วงหน้าที่อ้างอิงหุ้น รายตัว (Single stock futures) ท่ีมีราคาไม่เกนิ 100 บาท ก

Report of the Acquisition or Disposition of Securities (Form 246-2) 2.1 (  ) Acquisition (     ) Disposition (  ) Through the Stock Exchange of Thailand via a securities company

Report of the Acquisition or Disposition of Securities (Form 246-2) 2.1 (     ) Acquisition (  ) Disposition (  ) Through the Stock Exchange of Thailand via a securities company

Report of the Acquisition or Disposition of Securities (Form 246-2) 2.1 (  ) Acquisition (     ) Disposition (     ) Through the Stock Exchange of Thailand via a securities company

Report of the Acquisition or Disposition of Securities (Form 246-2) 2.1 (     ) Acquisition (  ) Disposition (  ) Through the Stock Exchange of Thailand via a securities company

Report of the Acquisition or Disposition of Securities (Form 246-2) 2.1 (     ) Acquisition (  ) Disposition (  ) Through the Stock Exchange of Thailand via a securities company

Report of the Acquisition or Disposition of Securities (Form 246-2) 2.1 (     ) Acquisition (  ) Disposition (  ) Through the Stock Exchange of Thailand via a securities company

Report of the Acquisition or Disposition of Securities (Form 246-2) 2.1 (  ) Acquisition (     ) Disposition (  ) Through the Stock Exchange of Thailand via a securities company

Report of the Acquisition or Disposition of Securities (Form 246-2) 2.1 (     ) Acquisition (  ) Disposition (     ) Through the Stock Exchange of Thailand via a securities company