(UNOFFICIAL TRANSLATION) 4 (SEC Logo and contact information) 30 November 2016 Dear Managers: All securities companies All derivatives brokers No. SEC. Nor Por. (Wor) 30/2559 Re: Submission of Daily

UNOFFICIAL TRANSLATION (SEC logo and contact information) 8 August 2014 To Managers Securities companies Asset management companies Derivatives intermediaries No. Kor Lor Tor. Kor Thor. (Wor) 23/2557

of the board of directors to ensure that the use of information technology in the business operation facilitates the intermediaries in achieving the specified goals with appropriate use of resources