Mr. Paiboon Dumrongwaree, Assistant Secretary-General of the Securities and Exchange Commission (SEC), participated in the 100th Anniversary of the Department of Business Development (DBD), along

Bangkok, April 1, 2013- The SEC permits the 51th- 100th shares in the SET100 Index as underlying securities for Derivative Warrant (DW) and revises the process of DW issuance and offering to

meet the following conditions: (1) stocks in the SET 50 of the Exchange; (2) stocks in the SET 100 of the Exchange whereby the share ranked from the 51st until the 100th shall have the average quarterly