Yesterday the SET announced its semi-annual review, see below for the list of changes

SET50 index (SET50): 3 companies; – CENTRAL PLAZA HOTEL PCL. (CENTEL), CH. KARNCHANG PCL. (CK), SIAM GLOBAL HOUSE PCL. (GLOBAL) – will be added into its index constituents. There are also 11 additions in the SET100 index (SET100): DEMCO PCL (DEMCO), GOLDEN LAND PROPERTY DEVELOPMENT PCL (GOLD), KCE ELECTRONICS PCL (KCE), MBK PCL (MBK), MCOT PCL (MCOT), M.D.X. PCL (MDX), RS PCL (RS), SRIRACHA CONSTRUCTION PCL (SRICHA), UNIVENTURES PCL (UV), VGI GLOBAL MEDIA PCL (VGI), WHA CORPORATION PCL (WHA).

For the SET High Dividend Index (SETHD), it will be added by 7 companies; DELTA ELECTRONICS (THAILAND) PCL (DELTA), KCE ELECTRONICS PCL (KCE), KRUNG THAI BANK PCL (KTB), MBK PCL (MBK), QUALITY HOUSES PCL (QH), THE SIAM COMMERCIAL BANK PCL (SCB), THAI UNION FROZEN PRODUCTS PCL (TUF)

The changes will be implemented as of the market close of June 28, 2013

Source: SET