. Market efficiency development The SEC advanced the efforts for legislation of demutualization of the SET to promote competition in securities businesses and put an end to monopoly of trading system access

20T H ANNIVERSARY 1 Securities and Exchange Commission, Thailand Annual Report 2012 SEC ANNUAL REPORT 20122 THE YEAR OF CHANGE The year 2012 was the time for change to become the visionary partner whose balance between proactive and preventive approaches has led to stakeholders’ confidence in the Thai capital market. THE YEAR OF CHANGE 20T H ANNIVERSARY 1 02 MESSAGE FROM THE CHAiRMAN 04 MESSAGE FROM THE SECRETARY-GENERAl 06 SEC BOARd 09 CApiTAl MARkET SupERviSORY BOARd 12 ExECuTivE OFFiCERS 13 O...