Bangkok--14 Dec--SET Previously, the SET has posted the "H" (Trading Halt) sign on thesecurities of PTT Public Company Limited (PTT) effective from the first trading session of December 14, 2007 as PTT has requested the SET to temporarily suspend the trading of its securities.This is because the Supreme Administrative Court (the Court) scheduled to read the judgmenton the case of the corporatization of the Petroleum Authority of Thailand to PTT. This may effect the trading of its securities or the investment decision of shareholders or investors and the sign will be posted until the Court finishes its reading of the judgment and PTT has informed the SET the result of the case. At the present, The SET is still awaiting for the result of the case and the releted procedures from PTT. Therefore, the SET has still suspended the trading of PTT's securities by posting the "SP" sign effective from the second trading session of December 14, 2007 until PTT has disclosed such an information.